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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	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	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
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	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	248	)) {
204	no strict 'refs';	249	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	251	}
207		252
208	$Event::DIED = sub {	253	$EV::DIED = sub {
209	warn "error in event callback: @_";	254	warn "error in event callback: @_";
210	};	255	};
		256
		257	#############################################################################
211		258
212	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
213		260
214	=over 4	261	=over 4
215		262
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	282	$d
236	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
237	}	284	}
238		285
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
242		287
243	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
244		289
245	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
246		291
247	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
248		300
249	=item cf::lock_wait $string	301	=item cf::lock_wait $string
250		302
251	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
252		304
…		…
255	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
258	returned.	310	returned.
259		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
260	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
262		317
263	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
264		319
265	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
266		321
267	=cut	322	=cut
268		323
269	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
270		326
271	sub lock_wait($) {	327	sub lock_wait($) {
272	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
273		334
274	# wait for lock, if any	335	# wait for lock, if any
275	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	338	Coro::schedule;
…		…
283		344
284	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
285	lock_wait $key;	346	lock_wait $key;
286		347
287	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
288		350
289	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
292	}	355	}
293	}	356	}
294		357
…		…
297		360
298	! ! $LOCK{$key}	361	! ! $LOCK{$key}
299	}	362	}
300		363
301	sub freeze_mainloop {	364	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
303		366
304	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
306	};	428	}
307	$TICK_WATCHER->stop;	429	};
308	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
309	}	441	}
310		442
311	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
312		444
313	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		450
319	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
320		452
321	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
322		454
323	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
326		459
327	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
330	fast or be very important.	463	fast or be very important.
…		…
333		466
334	sub sync_job(&) {	467	sub sync_job(&) {
335	my ($job) = @_;	468	my ($job) = @_;
336		469
337	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	471	my $time = EV::time;
339		472
340	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
342		475
343	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	477
345	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
346		479
347	my $busy = 1;	480	my $busy = 1;
348	my @res;	481	my @res;
349		482
350	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	485	@res = eval { $job->() };
352	warn $@ if $@;	486	warn $@ if $@;
353	undef $busy;	487	undef $busy;
354	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
355		489
356	while ($busy) {	490	while ($busy) {
357	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
358	}	495	}
		496	}
359		497
360	$time = Event::time - $time;	498	my $time = EV::time - $time;
361		499
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
366		501
367	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
368	} else {	503	} else {
369	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
370		505
…		…
390	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
391		526
392	$coro	527	$coro
393	}	528	}
394		529
395	sub write_runtime {	530	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		531
398	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
400		536
401	IO::AIO::aio_utime $runtime, undef, undef;	537	=cut
402		538
403	my $guard = cf::lock_acquire "write_runtime";	539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
404		541
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	# we seemingly have to make a local copy of the whole thing,
406	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
407		545
408	my $value = $cf::RUNTIME + 90 + 10;	546	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	547	reset_signals;
410	# 60 allows for the watchdog to kill the server.	548	&$cb
		549	}, @args;
411		550
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	wantarray ? @res : $res[-1]
413	and return;	552	}
414		553
415	# always fsync - this file is important	554	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		555
419	# touch it again to show we are up-to-date	556	=cut
420	aio_utime $fh, undef, undef;
421		557
422	close $fh	558	our %coin_alias = (
423	or return;	559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
424		574
425	aio_rename "$runtime~", $runtime	575	sub coin_from_name($) {
426	and return;	576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
427		580
428	warn "runtime file written.\n";	581	=item $value = cf::db_get $family => $key
429		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
430	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
431	}	706	}
432		707
433	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
434		709
435	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
455		730
456	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	733	Deliantra).
459		734
460	=over 4	735	=over 4
461		736
462	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
463		738
…		…
665	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
666	}	941	}
667		942
668	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
669	} else {	944	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	946	}
672		947
673	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
674	}	949	}
675		950
…		…
715	";	990	";
716	die if $@;	991	die if $@;
717	}	992	}
718		993
719	our $override;	994	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		996
722	sub override {	997	sub override {
723	$override = 1;	998	$override = 1;
724	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
725	}	1000	}
726		1001
727	sub do_invoke {	1002	sub do_invoke {
728	my $event = shift;	1003	my $event = shift;
729	my $callbacks = shift;	1004	my $callbacks = shift;
730		1005
731	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
732		1007
733	local $override;	1008	local $override;
734		1009
735	for (@$callbacks) {	1010	for (@$callbacks) {
736	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
745	}	1020	}
746		1021
747	0	1022	0
748	}	1023	}
749		1024
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1026
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1028
754	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
755		1030
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1034
760	=back	1035	=back
761		1036
762	=cut	1037	=cut
763		1038
764	#############################################################################	1039	#############################################################################
765	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
766		1083
767	sub reattach {	1084	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1086	my ($obj) = @_;
770		1087
…		…
791	cf::attachable->attach (	1108	cf::attachable->attach (
792	prio => -1000000,	1109	prio => -1000000,
793	on_instantiate => sub {	1110	on_instantiate => sub {
794	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
795		1112
796	$data = from_json $data;	1113	$data = decode_json $data;
797		1114
798	for (@$data) {	1115	for (@$data) {
799	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
800		1117
801	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1134	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
819		1136
820	sync_job {	1137	sync_job {
821	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
824		1142
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1147	close $fh;
830		1148
831	if (@$objs) {	1149	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1155	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
839	}	1157	}
…		…
847	}	1165	}
848	} else {	1166	} else {
849	aio_unlink $filename;	1167	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
851	}	1169	}
852	}	1170	};
853	}	1171	}
854		1172
855	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
857		1175
…		…
869	or return;	1187	or return;
870		1188
871	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
873	or return;	1191	or return;
		1192
874	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
875	}	1195	}
876		1196
		1197	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
879	return ($data, $av);	1201	($data, $av)
880	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
881		1209
882	#############################################################################	1210	#############################################################################
883	# command handling &c	1211	# command handling &c
884		1212
885	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1227	}
900		1228
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1230
903	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
904		1236
905	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
906	called.	1238	called.
907		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
908	=cut	1251	=cut
909		1252
910	sub register_extcmd {	1253	sub register_extcmd {
911	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
912		1255
913	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
914	}	1263	}
915		1264
916	cf::player->attach (	1265	cf::player->attach (
917	on_command => sub {	1266	on_command => sub {
918	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1276	cf::override;
928	},	1277	},
929	on_extcmd => sub {	1278	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
931		1280
932	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1282
934	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
940	} else {	1298	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1300	}
943		1301
944	cf::override;	1302	cf::override;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
999		1357
1000	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1359	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1361	}
1005		1362
1006	warn $msg;	1363	warn $msg;
1007	}	1364	}
1008		1365
…		…
1018	};	1375	};
1019	}	1376	}
1020		1377
1021	#############################################################################	1378	#############################################################################
1022		1379
		1380	=back
		1381
1023	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
1024		1383
1025	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
1026		1385
1027	=cut	1386	=cut
…		…
1031	use Coro::AIO;	1390	use Coro::AIO;
1032		1391
1033	=head3 cf::player	1392	=head3 cf::player
1034		1393
1035	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1036		1409
1037	=item cf::player::find $login	1410	=item cf::player::find $login
1038		1411
1039	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1040		1413
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1453
1081	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1084	}	1462	}
1085	}	1463	}
1086	}	1464	}
1087		1465
…		…
1097		1475
1098	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1100		1478
1101	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1102	Coro::cede;	1480	cf::cede_to_tick;
1103	}	1481	}
1104		1482
1105	sub new($) {	1483	sub new($) {
1106	my ($login) = @_;	1484	my ($login) = @_;
1107		1485
…		…
1111	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1112		1490
1113	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1114		1492
1115	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1116	}	1504	}
1117		1505
1118	=item $pl->quit_character	1506	=item $pl->quit_character
1119		1507
1120	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1563	or return [];
1176		1564
1177	my @logins;	1565	my @logins;
1178		1566
1179	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1183		1576
1184	utf8::decode $login;	1577	utf8::decode $login;
1185	push @logins, $login;	1578	push @logins, $login;
1186	}	1579	}
1187		1580
…		…
1214	}	1607	}
1215		1608
1216	\@paths	1609	\@paths
1217	}	1610	}
1218		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1219	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1220		1706
1221	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1222		1708
1223	=cut	1709	=cut
1224		1710
1225	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1227		1713
1228	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1715	}
1232		1716
1233	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1234		1718
1235	Sends an ext event to the client.	1719	Sends an ext event to the client.
1236		1720
1237	=cut	1721	=cut
1238		1722
1239	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1241		1725
1242	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1243	}	1727	}
1244		1728
1245	=head3 cf::region	1729	=head3 cf::region
1246		1730
1247	=over 4	1731	=over 4
…		…
1250		1734
1251	package cf::region;	1735	package cf::region;
1252		1736
1253	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1254		1738
1255	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1256		1740
1257	=cut	1741	=cut
1258		1742
1259	sub find_by_path($) {	1743	sub find_by_path($) {
1260	my ($path) = @_;	1744	my ($path) = @_;
1261		1745
1262	my ($match, $specificity);	1746	my ($match, $specificity);
1263		1747
1264	for my $region (list) {	1748	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1268	}	1752	}
1269	}	1753	}
1270		1754
…		…
1291	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1293		1777
1294	sub generate_random_map {	1778	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1296	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1784	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1390	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1391	return $self;	1878	return $self;
1392	}	1879	}
1393	}	1880	}
1394		1881
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1883	()
1397	}	1884	}
1398		1885
1399	sub init {	1886	sub init {
1400	my ($self) = @_;	1887	my ($self) = @_;
…		…
1422		1909
1423	# the temporary/swap location	1910	# the temporary/swap location
1424	sub save_path {	1911	sub save_path {
1425	my ($self) = @_;	1912	my ($self) = @_;
1426		1913
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1429	}	1916	}
1430		1917
1431	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1432	sub uniq_path {	1919	sub uniq_path {
1433	my ($self) = @_;	1920	my ($self) = @_;
1434		1921
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1437	}	1924	}
1438		1925
1439	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1440	# all maps in C++...	1927	# all maps in C++...
…		…
1463		1950
1464	sub load_header_from($) {	1951	sub load_header_from($) {
1465	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1466		1953
1467	utf8::encode $path;	1954	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1473		1963
1474	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1475		1965
1476	1	1966	1
1477	}	1967	}
…		…
1531	sub find {	2021	sub find {
1532	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1533		2023
1534	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1535		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1537		2028
1538	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1540	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1541	or return;	2034	or return;
1542		2035
1543	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1544		2037
…		…
1546	or return;	2039	or return;
1547		2040
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1551	$map->reset;	2046	$map->reset;
1552	undef $guard;
1553	return find $path;	2047	return find $path;
1554	}	2048	}
1555		2049
1556	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1557	}	2051	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1567		2061
1568	my $path = $self->{path};	2062	my $path = $self->{path};
1569		2063
1570	{	2064	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1572		2066
		2067	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2069
1575	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1576		2071
1577	$self->alloc;	2072	$self->alloc;
1578		2073
1579	$self->pre_load;	2074	$self->pre_load;
1580	Coro::cede;	2075	cf::cede_to_tick;
1581		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1583	or return;	2080	or return;
1584		2081
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	2083	if delete $self->{load_original};
1587		2084
1588	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2086	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2089	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1593	}	2093	}
1594	}	2094	}
1595		2095
1596	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1597	# now do the right thing for maps	2099	# now do the right thing for maps
1598	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2102	unless $self->difficulty;
1601	Coro::cede;	2103	cf::cede_to_tick;
1602		2104
1603	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2106	$self->decay_objects;
1605	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1606	$self->update_buttons;	2108	$self->update_buttons;
1607	Coro::cede;	2109	cf::cede_to_tick;
1608	$self->set_darkness_map;	2110	$self->set_darkness_map;
1609	Coro::cede;	2111	cf::cede_to_tick;
1610	$self->activate;	2112	$self->activate;
1611	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1612		2117
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	2119	}
1615		2120
1616	$self->post_load;	2121	$self->post_load;
…		…
1627		2132
1628	$self	2133	$self
1629	}	2134	}
1630		2135
1631	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2137	sub load_neighbours {
1633	my ($map) = @_;	2138	my ($map) = @_;
1634		2139
1635	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1636		2141
1637	for (0 .. 3) {	2142	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1639	or next;	2144	or next;
1640	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1641	or next;	2146	or next;
1642	$neigh->load;	2147	$neigh->load;
1643		2148
		2149	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2152	}
1647		2153
1648	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1650	or next;	2157	or next;
1651	$neigh->load;	2158	$neigh->load;
1652	}	2159	}
1653	}	2160	}
1654		2161
…		…
1659	}	2166	}
1660		2167
1661	sub do_load_sync {	2168	sub do_load_sync {
1662	my ($map) = @_;	2169	my ($map) = @_;
1663		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1664	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1665	}	2175	}
1666		2176
1667	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1669		2179
1670	sub find_async {	2180	sub find_async {
1671	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1672		2182
1673	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1674		2184
1675	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2187	}
1678		2188
1679	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1680	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1681	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2196	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2197	$map->load if $v;
		2198	}
1686		2199
1687	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1688	}	2201	}
1689	}	2202	}
1690	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1691	};	2204	};
1692	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2208	}
1696		2209
1697	sub save {	2210	sub save {
1698	my ($self) = @_;	2211	my ($self) = @_;
1699		2212
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2214
1702	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1703		2216
1704	return unless $self->dirty;	2217	return unless $self->dirty;
1705		2218
…		…
1711	return if $self->{deny_save};	2224	return if $self->{deny_save};
1712		2225
1713	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1714		2227
1715	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1717	};	2231	};
1718		2232
1719	if ($uniq) {	2233	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2242	my ($self) = @_;
1729		2243
1730	# save first because save cedes	2244	# save first because save cedes
1731	$self->save;	2245	$self->save;
1732		2246
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2248
1735	return if $self->players;	2249	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2251	return if $self->{deny_save};
1738		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2257	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2258	}
1742		2259
1743	sub reset_at {	2260	sub reset_at {
1744	my ($self) = @_;	2261	my ($self) = @_;
1745		2262
…		…
1777	if $uniq;	2294	if $uniq;
1778	}	2295	}
1779		2296
1780	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1781		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2301	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2302
1786	$self->unlink_save;	2303	$self->unlink_save;
1787	$self->destroy;	2304	$self->destroy;
1788	}	2305	}
1789		2306
1790	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1791		2308
1792	sub nuke {	2309	sub nuke {
1793	my ($self) = @_;	2310	my ($self) = @_;
1794		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1795	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1796		2316
1797	$self->unlink_save;	2317	$self->unlink_save;
1798		2318
1799	bless $self, "cf::map";	2319	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2324
1805	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1806		2327
1807	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
1808	}	2329	}
1809		2330
1810	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
1852		2373
1853	sub unique_maps() {	2374	sub unique_maps() {
1854	[	2375	[
1855	map {	2376	map {
1856	utf8::decode $_;	2377	utf8::decode $_;
1857	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
1858	? normalise $_	2381	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2383	]
1862	}	2384	}
1863		2385
1864	package cf;
1865
1866	=back	2386	=back
1867		2387
1868	=head3 cf::object	2388	=head3 cf::object
1869		2389
1870	=cut	2390	=cut
…		…
1873		2393
1874	=over 4	2394	=over 4
1875		2395
1876	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1877		2397
1878	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1879		2400
1880	=cut	2401	=cut
1881		2402
1882	sub inv_recursive_;	2403	sub inv_recursive_;
1883	sub inv_recursive_ {	2404	sub inv_recursive_ {
1884	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1885	}	2406	}
1886		2407
1887	sub inv_recursive {	2408	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1889	}	2438	}
1890		2439
1891	package cf;	2440	package cf;
1892		2441
1893	=back	2442	=back
…		…
1912		2461
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2463
1915	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1917	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1920	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1921	}	2489	}
1922		2490
1923	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1924		2492
1925	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2007		2575
2008	$map->load;	2576	$map->load;
2009	$map->load_diag;	2577	$map->load_neighbours;
2010		2578
2011	return unless $self->contr->active;	2579	return unless $self->contr->active;
2012	$self->activate_recursive;	2580	$self->activate_recursive;
2013		2581
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
2016	}	2584	}
2017		2585
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2587
2020	Moves the player to the given map-path and coordinates by first freezing	2588	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2589	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2590	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2591	the new (success) or old (failed) map position. In either case, $done will
		2592	be called at the end of this process.
2024		2593
2025	=cut	2594	=cut
2026		2595
2027	our $GOTOGEN;	2596	our $GOTOGEN;
2028		2597
2029	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2600
2032	# do generation counting so two concurrent goto's will be executed in-order	2601	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2603
2035	$self->enter_link;	2604	$self->enter_link;
2036		2605
2037	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2038	my $map = eval {	2628	my $map = eval {
2039	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2040		2630
2041	if ($map) {	2631	if ($map) {
2042	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2044	} else {	2634	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2636	}
2047		2637
2048	$map	2638	$map
2049	};	2639	};
2050		2640
…		…
2055		2645
2056	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2059	}	2649	}
		2650
		2651	$done->() if $done;
2060	})->prio (1);	2652	})->prio (1);
2061	}	2653	}
2062		2654
2063	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2064		2656
…		…
2101	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2102	}	2694	}
2103		2695
2104	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2105		2697
2106	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2107	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2109		2701
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2133	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2135		2727
2136	$self->enter_link;	2728	$self->enter_link;
2137		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2138	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2139	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2738	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2142		2740
2143	1;	2741	1;
…		…
2169		2767
2170	utf8::encode $text;	2768	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2770	}
2173		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2174	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2175		2897
2176	Sends an exti event to the client.	2898	Sends an ext event to the client.
2177		2899
2178	=cut	2900	=cut
2179		2901
2180	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2182		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2185	}	2929	}
2186		2930
2187	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2188		2932
2189	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2936
2193	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2938	become reliable at some point in the future.
2195		2939
2196	=cut	2940	=cut
2197		2941
2198	sub cf::client::query {	2942	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2951	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2953
2210	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2212	}	2958	}
2213		2959
2214	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2215	on_reply => sub {	2966	on_reply => sub {
2216	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2217		2968
2218	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2219	# get handled first	2970	# get handled first
…		…
2231	} else {	2982	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2984	}
2234	}	2985	}
2235	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2236	);	3013	);
2237		3014
2238	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2239		3016
2240	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2283		3060
2284	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2285		3062
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2287		3068
2288	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2289		3070
2290	=pod	3071	=pod
2291		3072
2292	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2293		3074
2294	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2295	cf::object::player player	3079	cf::object::player
2296	cf::player peaceful	3080	player
2297	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2298		3087
2299	=cut	3088	=cut
2300		3089
2301	for (	3090	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2303	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2306	) {	3097	) {
2307	no strict 'refs';	3098	no strict 'refs';
…		…
2378	=back	3169	=back
2379		3170
2380	=cut	3171	=cut
2381		3172
2382	#############################################################################	3173	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3174	# the server's init and main functions
2556		3175
2557	sub load_facedata($) {	3176	sub load_facedata($) {
2558	my ($path) = @_;	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3184
2560	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2561		3186
2562	my $facedata;	3187	my $facedata;
2563	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2567		3192
2568	$facedata->{version} == 2	3193	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2571	{	3203	{
2572	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2573		3205
2574	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3213
		3214	cf::cede_to_tick;
2580	}	3215	}
2581		3216
2582	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2584	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2585	or next;	3221	or next;
		3222
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3226	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3228	}
2591	Coro::cede;	3229
		3230	cf::cede_to_tick;
2592	}	3231	}
2593	}	3232	}
2594		3233
2595	{	3234	{
2596	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2597		3236
2598	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3239	cf::cede_to_tick;
2601	}	3240	}
2602		3241
2603	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2604	}	3243	}
2605		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2606	1	3280	1
2607	}	3281	}
2608		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2609	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2610	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2612	}	3323	}
2613		3324
2614	sub reload_facedata {	3325	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2617	}	3328	}
2618		3329
2619	sub reload_archetypes {	3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
2620	load_resource_file "$DATADIR/archetypes"	3336	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3337	or die "unable to load archetypes\n";
2622	}	3338	}
2623		3339
2624	sub reload_treasures {	3340	sub reload_treasures {
…		…
2640		3356
2641	sub init {	3357	sub init {
2642	reload_resources;	3358	reload_resources;
2643	}	3359	}
2644		3360
2645	sub cfg_load {	3361	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3363	or return;
2648		3364
2649	local $/;	3365	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2651		3367
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3369
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2666	sub main {	3382	sub main {
2667	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3386	(async {
2671	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2673	};	3390	};
2674		3391
2675	cfg_load;	3392	reload_config;
2676	db_init;	3393	db_init;
2677	load_extensions;	3394	load_extensions;
2678		3395
2679	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2680	Event::loop;	3398	EV::loop;
2681	}	3399	}
2682		3400
2683	#############################################################################	3401	#############################################################################
2684	# initialisation and cleanup	3402	# initialisation and cleanup
2685		3403
2686	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2687	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2696	},
2697	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2698	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2699	}	3493	}
2700		3494
2701	sub emergency_save() {	3495	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2703		3497
…		…
2709	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3509	$pl->save;
2715	}	3510	}
2716	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2717		3512
2718	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2724	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2725		3520
2726	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2729	};	3528	};
2730		3529
2731	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2732	}	3531	}
2733		3532
…		…
2748	warn "reloading...";	3547	warn "reloading...";
2749		3548
2750	warn "entering sync_job";	3549	warn "entering sync_job";
2751		3550
2752	cf::sync_job {	3551	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3553	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2756		3555
2757	warn "syncing database to disk";	3556	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3558
2760	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766		3560
2767	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2768	for (;;) {	3562	for (;;) {
2769	BDB::flush;	3563	BDB::flush;
2770	IO::AIO::flush;	3564	IO::AIO::flush;
2771	Coro::cede;	3565	Coro::cede_notself;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";	3567	warn "iterate...";
2774	}	3568	}
2775		3569
2776	++$RELOAD;	3570	++$RELOAD;
…		…
2780	%EXT_CORO = ();	3574	%EXT_CORO = ();
2781		3575
2782	warn "removing commands";	3576	warn "removing commands";
2783	%COMMAND = ();	3577	%COMMAND = ();
2784		3578
2785	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2787		3582
2788	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2791		3586
…		…
2834	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2835	require cf;	3630	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3632
2838	warn "loading config and database again";	3633	warn "loading config and database again";
2839	cf::cfg_load;	3634	cf::reload_config;
2840		3635
2841	warn "loading extensions";	3636	warn "loading extensions";
2842	cf::load_extensions;	3637	cf::load_extensions;
2843		3638
2844	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2851	warn "leaving sync_job";	3646	warn "leaving sync_job";
2852		3647
2853	1	3648	1
2854	} or do {	3649	} or do {
2855	warn $@;	3650	warn $@;
2856	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3652	};
2859		3653
2860	warn "reloaded";	3654	warn "reloaded";
2861	};	3655	};
2862		3656
…		…
2864		3658
2865	sub reload_perl() {	3659	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2868		3662
2869	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;	3664	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2876	},
2877	);	3666	};
2878	}	3667	}
2879		3668
2880	register_command "reload" => sub {	3669	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2882		3671
2883	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3676	reload_perl;
		3677	};
2886	}	3678	}
2887	};	3679	};
2888		3680
2889	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2890		3682
…		…
2892		3684
2893	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2895		3687
2896	sub wait_for_tick {	3688	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2898	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2899		3691
2900	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3694	$signal->wait;
2903	}	3695	}
2904		3696
2905	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2907	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2908		3700
2909	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3703	$signal->wait;
2912	}	3704	}
2913		3705
2914	my $min = 1e6;#d#	3706	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2926	return;	3710	return;
2927	}	3711	}
2928		3712
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2932		3714
2933	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3717	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
2937	or die;	3719	write_runtime_sync
2938		3720	or warn "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3721	};
		3722	}
2955		3723
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3725	$sig->send;
2972	}	3726	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3728	$sig->send;
2975	}	3729	}
2976		3730
2977	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3733
2988	_post_tick;	3734	if (0) {
2989		3735	if ($NEXT_TICK) {
2990		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
2991	},	3740	}
2992	);	3741	}
2993		3742
2994	{	3743	{
2995	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3745
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3005		3747	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3749
3021	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3756
3024	cf::sync_job {	3757	cf::sync_job {
3025	eval {	3758	eval {
3026	BDB::db_env_open	3759	BDB::db_env_open
3027	$DB_ENV,	3760	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3764	0666;
3032		3765
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3767	};
3038		3768
3039	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3770	};
3041	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3042	}	3782	}
3043		3783
3044	{	3784	{
		3785	# configure IO::AIO
		3786
3045	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3790	}
3058		3791
3059	my $_log_backtrace;	3792	my $_log_backtrace;
3060		3793
3061	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3065		3798
3066	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3801	++$_log_backtrace;
3069	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3070	my @bt = fork_call {	3805	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3809	or die "addr2line: $!";

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