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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 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;	9	use EV;
10	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::EV;
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 2.01 ();
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
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		42
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
44		45
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		47
…		…
49	our %COMMAND = ();	50	our %COMMAND = ();
50	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
51		52
52	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
56		58
57	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
58	our @EVENT;	60	our @EVENT;
…		…
76	our $NEXT_TICK;	78	our $NEXT_TICK;
77	our $NOW;	79	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		81
80	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	86	our $DB_ENV;
82		87
83	our %CFG;	88	our %CFG;
84		89
85	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	91	our $RUNTIME;
87		92
88	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
91		96
92	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
94		103
95	binmode STDOUT;	104	binmode STDOUT;
96	binmode STDERR;	105	binmode STDERR;
97		106
98	# read virtual server time, if available	107	# read virtual server time, if available
…		…
139		148
140	=item $cf::TICK	149	=item $cf::TICK
141		150
142	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
143		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
144	=item %cf::CFG	163	=item %cf::CFG
145		164
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	166	from wherever your confdir points to.
148		167
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		169
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	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	171	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.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
155	=back	180	=back
156		181
157	=cut	182	=cut
158		183
159	BEGIN {	184	BEGIN {
…		…
163	$msg .= "\n"	188	$msg .= "\n"
164	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
165		190
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		192
168	utf8::encode $msg;
169	LOG llevError, $msg;	193	LOG llevError, $msg;
170	};	194	};
171	}	195	}
172		196
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		204
180	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	206	# within the Safe compartment.
182	for my $pkg (qw(	207	for my $pkg (qw(
183	cf::global cf::attachable	208	cf::global cf::attachable
…		…
188	)) {	213	)) {
189	no strict 'refs';	214	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	216	}
192		217
193	$Event::DIED = sub {	218	$EV::DIED = sub {
194	warn "error in event callback: @_";	219	warn "error in event callback: @_";
195	};	220	};
		221
		222	#############################################################################
196		223
197	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
198		225
199	=over 4	226	=over 4
200		227
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	247	$d
221	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
222	}	249	}
223		250
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
227		252
228	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
229		254
230	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
231		256
232	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub encode_json($) { $json_coder->encode ($_[0]) }
		264	sub decode_json($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
248	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
249		284
250	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
251		286
252	=cut	287	=cut
253		288
254	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
255		291
256	sub lock_wait($) {	292	sub lock_wait($) {
257	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
258		299
259	# wait for lock, if any	300	# wait for lock, if any
260	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	303	Coro::schedule;
…		…
268		309
269	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
270	lock_wait $key;	311	lock_wait $key;
271		312
272	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
273		315
274	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
277	}	320	}
278	}	321	}
279		322
…		…
291	};	334	};
292	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
293	$guard	336	$guard
294	}	337	}
295		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
296	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
297		413
298	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
303		419
304	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
305		421
306	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
307		423
308	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
311		428
312	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
315	fast or be very important.	432	fast or be very important.
…		…
318		435
319	sub sync_job(&) {	436	sub sync_job(&) {
320	my ($job) = @_;	437	my ($job) = @_;
321		438
322	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
323	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
325		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
326	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	448	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
329		450
330	my $busy = 1;	451	my $busy = 1;
331	my @res;	452	my @res;
332		453
333	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	456	@res = eval { $job->() };
335	warn $@ if $@;	457	warn $@ if $@;
336	undef $busy;	458	undef $busy;
337	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
338		460
339	while ($busy) {	461	while ($busy) {
340	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
341	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
342		475
343	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
344	} else {	477	} else {
345	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
346		479
…		…
366	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
367		500
368	$coro	501	$coro
369	}	502	}
370		503
371	sub write_runtime {	504	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		505
374	my $runtime = "$LOCALDIR/runtime";	506	Executes the given code block with the given arguments in a seperate
		507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
375		510
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	511	=cut
377	or return;
378		512
379	my $value = $cf::RUNTIME + 90 + 10;	513	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	514	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		515
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	516	# we seemingly have to make a local copy of the whole thing,
384	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
385		519
386	# always fsync - this file is important	520	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	521	reset_signals;
388	and return;	522	&$cb
		523	}, @args;
389		524
390	close $fh	525	wantarray ? @res : $res[-1]
391	or return;	526	}
392		527
393	aio_rename "$runtime~", $runtime	528	=item $value = cf::db_get $family => $key
394	and return;
395		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
396	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
397	}	653	}
398		654
399	=item cf::datalog type => key => value, ...	655	=item cf::datalog type => key => value, ...
400		656
401	Log a datalog packet of the given type with the given key-value pairs.	657	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
421		677
422	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	680	Deliantra).
425		681
426	=over 4	682	=over 4
427		683
428	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
429		685
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
593		849
594	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		854
599	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	856	my $pkg = shift @arg;
601		857
602	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
632	}	888	}
633		889
634	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
635	} else {	891	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	893	}
638		894
639	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
640	}	896	}
641		897
…		…
643	if (ref $_[0]) {	899	if (ref $_[0]) {
644	_object_attach @_;	900	_object_attach @_;
645	} else {	901	} else {
646	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
647	}	903	}
		904	_recalc_want;
648	};	905	};
649		906
650	# all those should be optimised	907	# all those should be optimised
651	sub cf::attachable::detach {	908	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
656	reattach ($obj);	913	reattach ($obj);
657	} else {	914	} else {
658	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
659	}	916	}
		917	_recalc_want;
660	};	918	};
661		919
662	sub cf::attachable::attached {	920	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
664		922
…		…
679	";	937	";
680	die if $@;	938	die if $@;
681	}	939	}
682		940
683	our $override;	941	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		943
686	sub override {	944	sub override {
687	$override = 1;	945	$override = 1;
688	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
689	}	947	}
690		948
691	sub do_invoke {	949	sub do_invoke {
692	my $event = shift;	950	my $event = shift;
693	my $callbacks = shift;	951	my $callbacks = shift;
694		952
695	@invoke_results = ();	953	@INVOKE_RESULTS = ();
696		954
697	local $override;	955	local $override;
698		956
699	for (@$callbacks) {	957	for (@$callbacks) {
700	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
717		975
718	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
719		977
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		981
724	=back	982	=back
725		983
726	=cut	984	=cut
727		985
728	#############################################################################	986	#############################################################################
729	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
730		1030
731	sub reattach {	1031	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1033	my ($obj) = @_;
734		1034
…		…
755	cf::attachable->attach (	1055	cf::attachable->attach (
756	prio => -1000000,	1056	prio => -1000000,
757	on_instantiate => sub {	1057	on_instantiate => sub {
758	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
759		1059
760	$data = from_json $data;	1060	$data = decode_json $data;
761		1061
762	for (@$data) {	1062	for (@$data) {
763	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
764		1064
765	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1081	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
783		1083
784	sync_job {	1084	sync_job {
785	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
788		1089
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1094	close $fh;
794		1095
795	if (@$objs) {	1096	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1102	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
803	}	1104	}
…		…
811	}	1112	}
812	} else {	1113	} else {
813	aio_unlink $filename;	1114	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
815	}	1116	}
816	}	1117	};
817	}	1118	}
818		1119
819	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
821		1122
…		…
833	or return;	1134	or return;
834		1135
835	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
837	or return;	1138	or return;
		1139
838	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
839	}	1142	}
840		1143
		1144	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
843	return ($data, $av);	1148	($data, $av)
844	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
845		1156
846	#############################################################################	1157	#############################################################################
847	# command handling &c	1158	# command handling &c
848		1159
849	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1174	}
864		1175
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1177
867	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
868		1183
869	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
870	called.	1185	called.
871		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
872	=cut	1198	=cut
873		1199
874	sub register_extcmd {	1200	sub register_extcmd {
875	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
876		1202
877	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
878	}	1210	}
879		1211
880	cf::player->attach (	1212	cf::player->attach (
881	on_command => sub {	1213	on_command => sub {
882	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1223	cf::override;
892	},	1224	},
893	on_extcmd => sub {	1225	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
895		1227
896	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1229
898	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
904	} else {	1245	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1247	}
907		1248
908	cf::override;	1249	cf::override;
909	},	1250	},
910	);	1251	);
911		1252
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
947	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1258	next unless -r $path;
949	eval {	1259
950	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
951	1	1317	}
952	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
953	}	1323	};
954	}	1324	}
955		1325
956	#############################################################################	1326	#############################################################################
957		1327
		1328	=back
		1329
958	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
959		1331
960	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
961		1333
962	=cut	1334	=cut
…		…
966	use Coro::AIO;	1338	use Coro::AIO;
967		1339
968	=head3 cf::player	1340	=head3 cf::player
969		1341
970	=over 4	1342	=over 4
		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
971		1357
972	=item cf::player::find $login	1358	=item cf::player::find $login
973		1359
974	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
975		1361
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1401
1016	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1019	}	1410	}
1020	}	1411	}
1021	}	1412	}
1022		1413
…		…
1032		1423
1033	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1035		1426
1036	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1037	Coro::cede;	1428	cf::cede_to_tick;
1038	}	1429	}
1039		1430
1040	sub new($) {	1431	sub new($) {
1041	my ($login) = @_;	1432	my ($login) = @_;
1042		1433
…		…
1046	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1047		1438
1048	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1049		1440
1050	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1051	}	1452	}
1052		1453
1053	=item $pl->quit_character	1454	=item $pl->quit_character
1054		1455
1055	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1511	or return [];
1111		1512
1112	my @logins;	1513	my @logins;
1113		1514
1114	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1118		1524
1119	utf8::decode $login;	1525	utf8::decode $login;
1120	push @logins, $login;	1526	push @logins, $login;
1121	}	1527	}
1122		1528
…		…
1149	}	1555	}
1150		1556
1151	\@paths	1557	\@paths
1152	}	1558	}
1153		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1154	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1155		1654
1156	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1157		1656
1158	=cut	1657	=cut
1159		1658
1160	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1162		1661
1163	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1663	}
1167		1664
1168	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1169		1666
1170	Sends an ext event to the client.	1667	Sends an ext event to the client.
1171		1668
1172	=cut	1669	=cut
1173		1670
1174	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1176		1673
1177	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1178	}	1675	}
1179		1676
1180	=head3 cf::region	1677	=head3 cf::region
1181		1678
1182	=over 4	1679	=over 4
…		…
1185		1682
1186	package cf::region;	1683	package cf::region;
1187		1684
1188	=item cf::region::find_by_path $path	1685	=item cf::region::find_by_path $path
1189		1686
1190	Tries to decuce the probable region for a map knowing only its path.	1687	Tries to decuce the likely region for a map knowing only its path.
1191		1688
1192	=cut	1689	=cut
1193		1690
1194	sub find_by_path($) {	1691	sub find_by_path($) {
1195	my ($path) = @_;	1692	my ($path) = @_;
1196		1693
1197	my ($match, $specificity);	1694	my ($match, $specificity);
1198		1695
1199	for my $region (list) {	1696	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1203	}	1700	}
1204	}	1701	}
1205		1702
…		…
1269	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1270		1767
1271	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1272	local $self->{path};	1769	local $self->{path};
1273	local $self->{load_path};	1770	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1771
1277	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1278	}	1773	}
1279		1774
1280	sub normalise {	1775	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1328	return $self;	1823	return $self;
1329	}	1824	}
1330	}	1825	}
1331		1826
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1828	()
1334	}	1829	}
1335		1830
1336	sub init {	1831	sub init {
1337	my ($self) = @_;	1832	my ($self) = @_;
…		…
1380		1875
1381	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1383	}	1878	}
1384		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1385	sub unlink_save {	1888	sub unlink_save {
1386	my ($self) = @_;	1889	my ($self) = @_;
1387		1890
1388	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1895
1393	sub load_header_from($) {	1896	sub load_header_from($) {
1394	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1395		1898
1396	utf8::encode $path;	1899	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1402		1908
1403	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1404		1910
1405	1	1911	1
1406	}	1912	}
…		…
1445	$self->load_header_orig	1951	$self->load_header_orig
1446	or return;	1952	or return;
1447	$self->prepare_orig;	1953	$self->prepare_orig;
1448	}	1954	}
1449		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
1450	$self->default_region (cf::region::find_by_path $self->{path})	1959	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1960	unless $self->default_region;
1452		1961
1453	1	1962	1
1454	}	1963	}
…		…
1457	sub find {	1966	sub find {
1458	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1459		1968
1460	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1461		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1463		1973
1464	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1466	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1467	or return;	1979	or return;
1468		1980
1469	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1470		1982
1471	$map->load_header	1983	$map->load_header
1472	or return;	1984	or return;
1473		1985
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1477	$map->reset;	1991	$map->reset;
1478	undef $guard;
1479	return find $path;	1992	return find $path;
1480	}	1993	}
1481		1994
1482	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1483	}	1996	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1493		2006
1494	my $path = $self->{path};	2007	my $path = $self->{path};
1495		2008
1496	{	2009	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1498		2011
		2012	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2014
1501	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1502		2016
1503	$self->alloc;	2017	$self->alloc;
1504		2018
1505	$self->pre_load;	2019	$self->pre_load;
1506	Coro::cede;	2020	cf::cede_to_tick;
1507		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2024	$self->_load_objects ($f)
1509	or return;	2025	or return;
1510		2026
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	2028	if delete $self->{load_original};
1513		2029
1514	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2031	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2034	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1519	}	2038	}
1520	}	2039	}
1521		2040
1522	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1523	# now do the right thing for maps	2044	# now do the right thing for maps
1524	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2047	unless $self->difficulty;
1527	Coro::cede;	2048	cf::cede_to_tick;
1528		2049
1529	unless ($self->{deny_activate}) {	2050	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2051	$self->decay_objects;
1531	$self->fix_auto_apply;	2052	$self->fix_auto_apply;
1532	$self->update_buttons;	2053	$self->update_buttons;
1533	Coro::cede;	2054	cf::cede_to_tick;
1534	$self->set_darkness_map;	2055	$self->set_darkness_map;
1535	Coro::cede;	2056	cf::cede_to_tick;
1536	$self->activate;	2057	$self->activate;
1537	}	2058	}
1538		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	2064	}
1543		2065
1544	$self->post_load;	2066	$self->post_load;
1545	}	2067	}
1546		2068
…		…
1548	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1549		2071
1550	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2073	if $self->per_player;
1552		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1553	$self	2078	$self
1554	}	2079	}
1555		2080
1556	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2082	sub load_neighbours {
1558	my ($map) = @_;	2083	my ($map) = @_;
1559		2084
1560	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1561		2086
1562	for (0 .. 3) {	2087	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1564	or next;	2089	or next;
1565	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1566	or next;	2091	or next;
1567	$neigh->load;	2092	$neigh->load;
1568		2093
		2094	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2097	}
1572		2098
1573	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1575	or next;	2102	or next;
1576	$neigh->load;	2103	$neigh->load;
1577	}	2104	}
1578	}	2105	}
1579		2106
…		…
1584	}	2111	}
1585		2112
1586	sub do_load_sync {	2113	sub do_load_sync {
1587	my ($map) = @_;	2114	my ($map) = @_;
1588		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1589	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1590	}	2120	}
1591		2121
1592	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1594		2124
1595	sub find_async {	2125	sub find_async {
1596	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1597		2127
1598	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1599		2129
1600	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2132	}
1603		2133
1604	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1605	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1606	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2141	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2142	$map->load if $v;
		2143	}
1611		2144
1612	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1613	}	2146	}
1614	}	2147	}
1615	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1616	};	2149	};
1617	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2153	}
1621		2154
1622	sub save {	2155	sub save {
1623	my ($self) = @_;	2156	my ($self) = @_;
1624		2157
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2159
1627	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1628		2161
1629	return unless $self->dirty;	2162	return unless $self->dirty;
1630		2163
…		…
1636	return if $self->{deny_save};	2169	return if $self->{deny_save};
1637		2170
1638	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1639		2172
1640	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1642	};	2176	};
1643		2177
1644	if ($uniq) {	2178	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1653	my ($self) = @_;	2187	my ($self) = @_;
1654		2188
1655	# save first because save cedes	2189	# save first because save cedes
1656	$self->save;	2190	$self->save;
1657		2191
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2193
1660	return if $self->players;	2194	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2196	return if $self->{deny_save};
1663		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2202	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2203	}
1667		2204
1668	sub reset_at {	2205	sub reset_at {
1669	my ($self) = @_;	2206	my ($self) = @_;
1670		2207
1671	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1674		2210
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2213
…		…
1688	my ($self) = @_;	2224	my ($self) = @_;
1689		2225
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2227
1692	return if $self->players;	2228	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2229
1695	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1696		2231
1697	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1698		2233
1699	# need to save uniques path	2234	# need to save uniques path
1700	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2239	if $uniq;
1705	}	2240	}
1706		2241
1707	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1708		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2246	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2247
1713	$self->unlink_save;	2248	$self->unlink_save;
1714	$self->destroy;	2249	$self->destroy;
1715	}	2250	}
1716		2251
1717	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1718		2253
1719	sub nuke {	2254	sub nuke {
1720	my ($self) = @_;	2255	my ($self) = @_;
1721		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1722	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1723		2261
1724	$self->unlink_save;	2262	$self->unlink_save;
1725		2263
1726	bless $self, "cf::map";	2264	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2269
1732	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1733		2272
1734	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1735	}	2310	}
1736		2311
1737	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1738		2313
1739	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2315	instantiated unique items. May block.
1741		2316
1742	=cut	2317	=cut
1743		2318
1744	sub unique_maps() {	2319	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2320	[
1746	or return;	2321	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2322	utf8::decode $_;
1752	next if /\.pst$/;	2323	/\.map$/
1753	next unless /^$PATH_SEP/o;	2324	? normalise $_
1754		2325	: ()
1755	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2327	]
1757
1758	\@paths
1759	}	2328	}
1760		2329
1761	package cf;	2330	package cf;
1762		2331
1763	=back	2332	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1782	}	2351	}
1783		2352
1784	sub inv_recursive {	2353	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1786	}	2383	}
1787		2384
1788	package cf;	2385	package cf;
1789		2386
1790	=back	2387	=back
…		…
1809		2406
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2408
1812	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1814	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1817	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1818	}	2434	}
1819		2435
1820	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1821		2437
1822	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1870		2486
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2488
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1875		2491
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2493	}
1878		2494
1879	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1881		2499
1882	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1883		2501
1884	unless ($map) {	2502	unless ($map) {
1885	# restore original map position	2503	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1902		2520
1903	$map->load;	2521	$map->load;
1904	$map->load_diag;	2522	$map->load_neighbours;
1905		2523
1906	return unless $self->contr->active;	2524	return unless $self->contr->active;
1907	$self->activate_recursive;	2525	$self->activate_recursive;
1908		2526
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1911	}	2529	}
1912		2530
1913	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2532
1917	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1921	};	2537	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2538
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1948		2542
1949	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2548
1952	$self->enter_link;	2549	$self->enter_link;
1953		2550
1954	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1955	my $map = eval {	2573	my $map = eval {
1956	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1958	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2589	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1963	})->prio (1);	2597	})->prio (1);
1964	}	2598	}
1965		2599
1966	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1967		2601
…		…
2004	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
2005	}	2639	}
2006		2640
2007	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2008		2642
2009	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
2010	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2012		2646
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
…		…
2036	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2038		2672
2039	$self->enter_link;	2673	$self->enter_link;
2040		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2041	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2042	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2683	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2045		2685
2046	1;	2686	1;
…		…
2072		2712
2073	utf8::encode $text;	2713	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2715	}
2076		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
2077	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2078		2842
2079	Sends an exti event to the client.	2843	Sends an ext event to the client.
2080		2844
2081	=cut	2845	=cut
2082		2846
2083	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2085		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2088	}	2874	}
2089		2875
2090	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2091		2877
2092	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2881
2096	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2883	become reliable at some point in the future.
2098		2884
2099	=cut	2885	=cut
2100		2886
2101	sub cf::client::query {	2887	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2896	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2898
2113	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2115	}	2903	}
2116		2904
2117	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2118	on_reply => sub {	2911	on_reply => sub {
2119	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2120		2913
2121	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2122	# get handled first	2915	# get handled first
…		…
2134	} else {	2927	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2929	}
2137	}	2930	}
2138	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2139	);	2958	);
2140		2959
2141	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2142		2961
2143	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2186		3005
2187	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2188		3007
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2190		3013
2191	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2192		3015
2193	=pod	3016	=pod
2194		3017
2195	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2196		3019
2197	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2198	cf::object::player player	3024	cf::object::player
2199	cf::player peaceful	3025	player
2200	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2201		3032
2202	=cut	3033	=cut
2203		3034
2204	for (	3035	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2206	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2209	) {	3042	) {
2210	no strict 'refs';	3043	no strict 'refs';
…		…
2281	=back	3114	=back
2282		3115
2283	=cut	3116	=cut
2284		3117
2285	#############################################################################	3118	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3119	# the server's init and main functions
2460		3120
2461	sub load_facedata($) {	3121	sub load_facedata($) {
2462	my ($path) = @_;	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3129
2464	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2465		3131
2466	my $facedata;	3132	my $facedata;
2467	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2471		3137
2472	$facedata->{version} == 2	3138	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2475	{	3148	{
2476	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2477		3150
2478	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3157
		3158	cf::cede_to_tick;
2484	}	3159	}
2485		3160
2486	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3162	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2489	or next;	3164	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3168	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3170	}
2495	Coro::cede;	3171
		3172	cf::cede_to_tick;
2496	}	3173	}
2497	}	3174	}
2498		3175
2499	{	3176	{
2500	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2501		3178
2502	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3181	cf::cede_to_tick;
2505	}	3182	}
2506		3183
2507	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2508	}	3185	}
2509		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2510	1	3236	1
2511	}	3237	}
2512		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
2513	sub reload_regions {	3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
2514	load_resource_file "$MAPDIR/regions"	3252	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
2516	}	3259	}
2517		3260
2518	sub reload_facedata {	3261	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3262	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
2521	}	3264	}
2522		3265
2523	sub reload_archetypes {	3266	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3267	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
2526	}	3274	}
2527		3275
2528	sub reload_treasures {	3276	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3277	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3278	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3281	sub reload_resources {
2534	warn "reloading resource files...\n";	3282	warn "reloading resource files...\n";
2535		3283
2536	reload_regions;	3284	reload_regions;
2537	reload_facedata;	3285	reload_facedata;
		3286	#reload_archetypes;#d#
2538	reload_archetypes;	3287	reload_archetypes;
2539	reload_treasures;	3288	reload_treasures;
2540		3289
2541	warn "finished reloading resource files\n";	3290	warn "finished reloading resource files\n";
2542	}	3291	}
2543		3292
2544	sub init {	3293	sub init {
2545	reload_resources;	3294	reload_resources;
2546	}	3295	}
2547		3296
2548	sub cfg_load {	3297	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3299	or return;
2551		3300
2552	local $/;	3301	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
…		…
2569	sub main {	3318	sub main {
2570	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3322	(async {
2574	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2576	};	3326	};
2577		3327
2578	cfg_load;	3328	reload_config;
2579	db_init;	3329	db_init;
2580	load_extensions;	3330	load_extensions;
2581		3331
2582	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2583	Event::loop;	3334	EV::loop;
2584	}	3335	}
2585		3336
2586	#############################################################################	3337	#############################################################################
2587	# initialisation and cleanup	3338	# initialisation and cleanup
2588		3339
2589	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2590	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2599	},
2600	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2601	}	3385	1
2602	}	3386	}
2603		3387
2604	sub emergency_save() {	3388	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2606		3390
…		…
2612	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2614	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3402	$pl->save;
2618	}	3403	}
2619	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2620		3405
2621	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2660	warn "syncing database to disk";	3445	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3447
2663	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2664		3449
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2671	for (;;) {	3451	for (;;) {
2672	BDB::flush;	3452	BDB::flush;
2673	IO::AIO::flush;	3453	IO::AIO::flush;
2674	Coro::cede;	3454	Coro::cede_notself;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2676	warn "iterate...";	3456	warn "iterate...";
2677	}	3457	}
2678		3458
2679	++$RELOAD;	3459	++$RELOAD;
…		…
2683	%EXT_CORO = ();	3463	%EXT_CORO = ();
2684		3464
2685	warn "removing commands";	3465	warn "removing commands";
2686	%COMMAND = ();	3466	%COMMAND = ();
2687		3467
2688	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2690		3471
2691	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2694		3475
…		…
2737	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2738	require cf;	3519	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3521
2741	warn "loading config and database again";	3522	warn "loading config and database again";
2742	cf::cfg_load;	3523	cf::reload_config;
2743		3524
2744	warn "loading extensions";	3525	warn "loading extensions";
2745	cf::load_extensions;	3526	cf::load_extensions;
2746		3527
2747	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2767		3548
2768	sub reload_perl() {	3549	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3550	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3551	# coro crashes during coro_state_free->destroy here.
2771		3552
2772	$RELOAD_WATCHER ||= Event->timer (	3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2773	reentrant => 0,
2774	after => 0,
2775	data => WF_AUTOCANCEL,
2776	cb => sub {
2777	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3554	undef $RELOAD_WATCHER;
2779	},	3555	do_reload_perl;
2780	);	3556	};
2781	}	3557	}
2782		3558
2783	register_command "reload" => sub {	3559	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2785		3561
2786	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3566	reload_perl;
		3567	};
2789	}	3568	}
2790	};	3569	};
2791		3570
2792	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2793		3572
…		…
2812	my $signal = new Coro::Signal;	3591	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3592	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3593	$signal->wait;
2815	}	3594	}
2816		3595
2817	$TICK_WATCHER = Event->timer (	3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2827	return;	3600	return;
2828	}	3601	}
2829		3602
2830	$NOW = Event::time;	3603	$NOW = $tick_start = EV::now;
2831		3604
2832	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
2833		3606
2834	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2836		3609
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2839	Coro::async_pool {	3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3614	write_runtime
2841	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3616	};
		3617	}
2844		3618
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3620	$sig->send;
2856	}	3621	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3622	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3623	$sig->send;
2859	}	3624	}
2860		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
2861	_post_tick;	3629	_post_tick;
2862	},	3630	};
2863	);	3631	$TICK_WATCHER->priority (EV::MAXPRI);
2864		3632
2865	{	3633	{
		3634	BDB::min_parallel 8;
2866	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2867	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;
2876		3637
2877	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2878	my $status;	3639	my $status;
2879	my $current = $Coro::current;	3640	my $current = $Coro::current;
2880	(	3641	(
…		…
2889	)	3650	)
2890	};	3651	};
2891		3652
2892	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		3659
2895	cf::sync_job {	3660	cf::sync_job {
2896	eval {	3661	eval {
2897	BDB::db_env_open	3662	BDB::db_env_open
2898	$DB_ENV,	3663	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3667	0666;
2903		3668
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3670	};
2909		3671
2910	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3673	};
2912	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2913	}	3685	}
2914		3686
2915	{	3687	{
2916	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2917		3689
2918	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2921	reentrant => 0,	3693	}
2922	data => WF_AUTOCANCEL,	3694
2923	fd => IO::AIO::poll_fileno,	3695	my $_log_backtrace;
2924	poll => 'r',	3696
2925	prio => 6,	3697	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	3698	my ($msg, @addr) = @_;
2927	);	3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
2928	}	3733	}
2929		3734
2930	# load additional modules	3735	# load additional modules
2931	use cf::pod;	3736	use cf::pod;
2932		3737

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