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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
71		98
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	101	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	107	our $DB_ENV;
82		108
83	our %CFG;	109	our %CFG;
84		110
85	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
87		114
88	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
91		118
92	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		121
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	125	our $TICK_START; # for load detecting purposes
98		126
99	binmode STDOUT;	127	binmode STDOUT;
100	binmode STDERR;	128	binmode STDERR;
101		129
102	# read virtual server time, if available	130	# read virtual server time, if available
…		…
155		183
156	The raw value load value from the last tick.	184	The raw value load value from the last tick.
157		185
158	=item %cf::CFG	186	=item %cf::CFG
159		187
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	189	from wherever your confdir points to.
162		190
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		192
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	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	194	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.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
169	=back	203	=back
170		204
171	=cut	205	=cut
172		206
173	BEGIN {	207	BEGIN {
…		…
177	$msg .= "\n"	211	$msg .= "\n"
178	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
179		213
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		215
182	utf8::encode $msg;
183	LOG llevError, $msg;	216	LOG llevError, $msg;
184	};	217	};
185	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
186		234
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		242
194	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	244	# within the Safe compartment.
196	for my $pkg (qw(	245	for my $pkg (qw(
197	cf::global cf::attachable	246	cf::global cf::attachable
198	cf::object cf::object::player	247	cf::object cf::object::player
199	cf::client cf::player	248	cf::client cf::player
200	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
201	cf::map cf::party cf::region	251	cf::party cf::region
202	)) {	252	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	254	}
206		255
207	$Event::DIED = sub {	256	$EV::DIED = sub {
208	warn "error in event callback: @_";	257	warn "error in event callback: @_";
209	};	258	};
		259
		260	#############################################################################
210		261
211	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
212		263
213	=over 4	264	=over 4
214		265
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	285	$d
235	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
236	}	287	}
237		288
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
241		290
242	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
243		292
244	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
245		294
246	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
247		303
248	=item cf::lock_wait $string	304	=item cf::lock_wait $string
249		305
250	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
251		307
…		…
254	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
257	returned.	313	returned.
258		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
259	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
261		320
262	=item $locked = cf::lock_active $string	321	=item $locked = cf::lock_active $string
263		322
264	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
265		324
266	=cut	325	=cut
267		326
268	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
269		329
270	sub lock_wait($) {	330	sub lock_wait($) {
271	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
272		337
273	# wait for lock, if any	338	# wait for lock, if any
274	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	341	Coro::schedule;
…		…
282		347
283	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
284	lock_wait $key;	349	lock_wait $key;
285		350
286	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
287		353
288	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
291	}	358	}
292	}	359	}
293		360
…		…
296		363
297	! ! $LOCK{$key}	364	! ! $LOCK{$key}
298	}	365	}
299		366
300	sub freeze_mainloop {	367	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
302		369
303	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
305	};	431	}
306	$TICK_WATCHER->stop;	432	};
307	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
308	}	446	}
309		447
310	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
311		449
312	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		455
318	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
319		457
320	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
321		459
322	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
325		464
326	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
329	fast or be very important.	468	fast or be very important.
…		…
332		471
333	sub sync_job(&) {	472	sub sync_job(&) {
334	my ($job) = @_;	473	my ($job) = @_;
335		474
336	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	476	my $time = EV::time;
338		477
339	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
341		480
342	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	482
344	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
345		484
346	my $busy = 1;	485	my $busy = 1;
347	my @res;	486	my @res;
348		487
349	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	490	@res = eval { $job->() };
351	warn $@ if $@;	491	warn $@ if $@;
352	undef $busy;	492	undef $busy;
353	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
354		494
355	while ($busy) {	495	while ($busy) {
356	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
357	}	500	}
		501	}
358		502
359	$time = Event::time - $time;	503	my $time = EV::time - $time;
360		504
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
365		506
366	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
367	} else {	508	} else {
368	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
369		510
…		…
389	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
390		531
391	$coro	532	$coro
392	}	533	}
393		534
394	sub write_runtime {	535	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		536
397	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
399		541
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	542	=cut
401	utime undef, undef, $fh;	543
		544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
		546
		547	# we seemingly have to make a local copy of the whole thing,
		548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
		550
		551	my @res = Coro::Util::fork_eval {
		552	reset_signals;
		553	&$cb
		554	}, @args;
		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
402	}	613	};
		614	cf::cleanup "db_open(db): $@" if $@;
403		615
404	my $guard = cf::lock_acquire "write_runtime";	616	$db
		617	}
405		618
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	our $DB;
407	or return;
408		620
409	my $value = $cf::RUNTIME + 90 + 10;	621	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	622	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	623	$DB ||= db_table "db";
		624	};
		625	}
412		626
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	sub db_get($$) {
414	and return;	628	my $key = "$_[0]/$_[1]";
415		629
416	# always fsync - this file is important	630	cf::sync_job {
417	aio_fsync $fh	631	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		632
420	# touch it again to show we are up-to-date	633	$! ? ()
421	utime undef, undef, $fh;	634	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
432	}	711	}
433		712
434	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
435		714
436	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
456		735
457	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	738	Deliantra).
460		739
461	=over 4	740	=over 4
462		741
463	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
464		743
…		…
666	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
667	}	946	}
668		947
669	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
670	} else {	949	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	951	}
673		952
674	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
675	}	954	}
676		955
…		…
716	";	995	";
717	die if $@;	996	die if $@;
718	}	997	}
719		998
720	our $override;	999	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1001
723	sub override {	1002	sub override {
724	$override = 1;	1003	$override = 1;
725	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
726	}	1005	}
727		1006
728	sub do_invoke {	1007	sub do_invoke {
729	my $event = shift;	1008	my $event = shift;
730	my $callbacks = shift;	1009	my $callbacks = shift;
731		1010
732	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
733		1012
734	local $override;	1013	local $override;
735		1014
736	for (@$callbacks) {	1015	for (@$callbacks) {
737	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
746	}	1025	}
747		1026
748	0	1027	0
749	}	1028	}
750		1029
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1031
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1033
755	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
756		1035
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1039
761	=back	1040	=back
762		1041
763	=cut	1042	=cut
764		1043
765	#############################################################################	1044	#############################################################################
766	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
767		1088
768	sub reattach {	1089	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1091	my ($obj) = @_;
771		1092
		1093	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1095
774	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
775		1097
776	@$registry = ();	1098	@$registry = ();
777		1099
…		…
792	cf::attachable->attach (	1114	cf::attachable->attach (
793	prio => -1000000,	1115	prio => -1000000,
794	on_instantiate => sub {	1116	on_instantiate => sub {
795	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
796		1118
797	$data = from_json $data;	1119	$data = decode_json $data;
798		1120
799	for (@$data) {	1121	for (@$data) {
800	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
801		1123
802	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1140	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
820		1142
821	sync_job {	1143	sync_job {
822	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
825		1148
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1153	aio_close $fh;
831		1154
832	if (@$objs) {	1155	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1161	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
840	}	1163	}
841	} else {	1164	} else {
842	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
843	}	1166	}
…		…
848	}	1171	}
849	} else {	1172	} else {
850	aio_unlink $filename;	1173	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
852	}	1175	}
853	}	1176	};
854	}	1177	}
855		1178
856	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
858		1181
…		…
870	or return;	1193	or return;
871		1194
872	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
874	or return;	1197	or return;
		1198
875	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
876	}	1201	}
877		1202
		1203	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
880	return ($data, $av);	1207	($data, $av)
881	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
882		1215
883	#############################################################################	1216	#############################################################################
884	# command handling &c	1217	# command handling &c
885		1218
886	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1233	}
901		1234
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1236
904	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
905		1242
906	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
907	called.	1244	called.
908		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
909	=cut	1257	=cut
910		1258
911	sub register_extcmd {	1259	sub register_extcmd {
912	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
913		1261
914	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
915	}	1269	}
916		1270
917	cf::player->attach (	1271	cf::player->attach (
918	on_command => sub {	1272	on_command => sub {
919	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1282	cf::override;
929	},	1283	},
930	on_extcmd => sub {	1284	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
932		1286
933	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1288
935	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
941	} else {	1304	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1306	}
944		1307
945	cf::override;	1308	cf::override;
946	},	1309	},
947	);	1310	);
948		1311
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
984	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1317	next unless -r $path;
986	eval {	1318
987	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
988	1	1375	}
989	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
990	}	1381	};
991	}	1382	}
992		1383
993	#############################################################################	1384	#############################################################################
994		1385
		1386	=back
		1387
995	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
996		1389
997	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
998		1391
999	=cut	1392	=cut
…		…
1003	use Coro::AIO;	1396	use Coro::AIO;
1004		1397
1005	=head3 cf::player	1398	=head3 cf::player
1006		1399
1007	=over 4	1400	=over 4
		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
1008		1415
1009	=item cf::player::find $login	1416	=item cf::player::find $login
1010		1417
1011	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
1012		1419
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1459
1053	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1056	}	1469	}
1057	}	1470	}
1058	}	1471	}
1059		1472
…		…
1068	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1069		1482
1070	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1072		1485
		1486	cf::get_slot 0.01;
		1487
1073	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1074	Coro::cede;	1489	cf::cede_to_tick;
1075	}	1490	}
1076		1491
1077	sub new($) {	1492	sub new($) {
1078	my ($login) = @_;	1493	my ($login) = @_;
1079		1494
…		…
1085	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1086		1501
1087	$self	1502	$self
1088	}	1503	}
1089		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1090	=item $pl->quit_character	1515	=item $pl->quit_character
1091		1516
1092	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1094		1519
…		…
1098	my ($pl) = @_;	1523	my ($pl) = @_;
1099		1524
1100	my $name = $pl->ob->name;	1525	my $name = $pl->ob->name;
1101		1526
1102	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1529
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1109		1536
1110	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1574	or return [];
1148		1575
1149	my @logins;	1576	my @logins;
1150		1577
1151	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1155		1588
1156	utf8::decode $login;	1589	utf8::decode $login;
1157	push @logins, $login;	1590	push @logins, $login;
1158	}	1591	}
1159		1592
…		…
1186	}	1619	}
1187		1620
1188	\@paths	1621	\@paths
1189	}	1622	}
1190		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1191	=item $player->ext_reply ($msgid, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1192		1629
1193	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1194		1631
1195	=cut	1632	=cut
1196		1633
1197	sub ext_reply($$%) {	1634	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1199		1636
1200	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1638	}
1204		1639
1205	=item $player->ext_event ($type, %msg)	1640	=item $player->ext_msg ($type, @msg)
1206		1641
1207	Sends an ext event to the client.	1642	Sends an ext event to the client.
1208		1643
1209	=cut	1644	=cut
1210		1645
1211	sub ext_event($$%) {	1646	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1647	my ($self, $type, @msg) = @_;
1213		1648
1214	$self->ns->ext_event ($type, %msg);	1649	$self->ns->ext_msg ($type, @msg);
1215	}	1650	}
1216		1651
1217	=head3 cf::region	1652	=head3 cf::region
1218		1653
1219	=over 4	1654	=over 4
…		…
1222		1657
1223	package cf::region;	1658	package cf::region;
1224		1659
1225	=item cf::region::find_by_path $path	1660	=item cf::region::find_by_path $path
1226		1661
1227	Tries to decuce the probable region for a map knowing only its path.	1662	Tries to decuce the likely region for a map knowing only its path.
1228		1663
1229	=cut	1664	=cut
1230		1665
1231	sub find_by_path($) {	1666	sub find_by_path($) {
1232	my ($path) = @_;	1667	my ($path) = @_;
1233		1668
1234	my ($match, $specificity);	1669	my ($match, $specificity);
1235		1670
1236	for my $region (list) {	1671	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1672	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1673	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1674	if $region->specificity > $specificity;
1240	}	1675	}
1241	}	1676	}
1242		1677
…		…
1263	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1265		1700
1266	sub generate_random_map {	1701	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1268	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1707	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1307		1745
1308	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1309	local $self->{path};	1747	local $self->{path};
1310	local $self->{load_path};	1748	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1749
1314	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1315	}	1751	}
1316		1752
1317	sub normalise {	1753	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1365	return $self;	1801	return $self;
1366	}	1802	}
1367	}	1803	}
1368		1804
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1806	()
1371	}	1807	}
1372		1808
1373	sub init {	1809	sub init {
1374	my ($self) = @_;	1810	my ($self) = @_;
…		…
1396		1832
1397	# the temporary/swap location	1833	# the temporary/swap location
1398	sub save_path {	1834	sub save_path {
1399	my ($self) = @_;	1835	my ($self) = @_;
1400		1836
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1838	"$TMPDIR/$path.map"
1403	}	1839	}
1404		1840
1405	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1406	sub uniq_path {	1842	sub uniq_path {
1407	my ($self) = @_;	1843	my ($self) = @_;
1408		1844
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1846	"$UNIQUEDIR/$path"
1411	}	1847	}
1412		1848
1413	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1414	# all maps in C++...	1850	# all maps in C++...
…		…
1417		1853
1418	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1420	}	1856	}
1421		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1422	sub unlink_save {	1866	sub unlink_save {
1423	my ($self) = @_;	1867	my ($self) = @_;
1424		1868
1425	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1873
1430	sub load_header_from($) {	1874	sub load_header_from($) {
1431	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1432		1876
1433	utf8::encode $path;	1877	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1879	or return;
		1880
		1881	$self->_load_header ($f)
		1882	or return;
		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
1439		1886
1440	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1441		1888
1442	1	1889	1
1443	}	1890	}
…		…
1482	$self->load_header_orig	1929	$self->load_header_orig
1483	or return;	1930	or return;
1484	$self->prepare_orig;	1931	$self->prepare_orig;
1485	}	1932	}
1486		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
1487	$self->default_region (cf::region::find_by_path $self->{path})	1937	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1938	unless $self->default_region;
1489		1939
1490	1	1940	1
1491	}	1941	}
…		…
1494	sub find {	1944	sub find {
1495	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1496		1946
1497	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1498		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1500		1951
1501	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1503	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1504	or return;	1957	or return;
1505		1958
1506	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1507		1960
1508	$map->load_header	1961	$map->load_header
1509	or return;	1962	or return;
1510		1963
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1514	$map->reset;	1969	$map->reset;
1515	undef $guard;
1516	return find $path;	1970	return find $path;
1517	}	1971	}
1518		1972
1519	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1520	}	1974	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1983	local $self->{deny_reset} = 1; # loading can take a long time
1530		1984
1531	my $path = $self->{path};	1985	my $path = $self->{path};
1532		1986
1533	{	1987	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1535		1989
		1990	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1992
1538	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1539		1994
1540	$self->alloc;	1995	$self->alloc;
1541		1996
1542	$self->pre_load;	1997	$self->pre_load;
1543	Coro::cede;	1998	cf::cede_to_tick;
1544		1999
		2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2002	$self->_load_objects ($f)
1546	or return;	2003	or return;
1547		2004
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1549	if delete $self->{load_original};	2006	if delete $self->{load_original};
1550		2007
1551	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2009	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2012	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1556	}	2016	}
1557	}	2017	}
1558		2018
1559	Coro::cede;	2019	$f->resolve_delayed_derefs;
		2020
		2021	cf::cede_to_tick;
1560	# now do the right thing for maps	2022	# now do the right thing for maps
1561	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2025	unless $self->difficulty;
1564	Coro::cede;	2026	cf::cede_to_tick;
1565		2027
1566	unless ($self->{deny_activate}) {	2028	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2029	$self->decay_objects;
1568	$self->fix_auto_apply;	2030	$self->fix_auto_apply;
1569	$self->update_buttons;	2031	$self->update_buttons;
1570	Coro::cede;	2032	cf::cede_to_tick;
1571	$self->set_darkness_map;	2033	$self->set_darkness_map;
1572	Coro::cede;	2034	cf::cede_to_tick;
1573	$self->activate;	2035	$self->activate;
1574	}	2036	}
1575		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2041	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2042	}
1578		2043
1579	$self->post_load;	2044	$self->post_load;
1580	}	2045	}
1581		2046
…		…
1583	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1584		2049
1585	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2051	if $self->per_player;
1587		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1588	$self	2056	$self
1589	}	2057	}
1590		2058
1591	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2060	sub load_neighbours {
1593	my ($map) = @_;	2061	my ($map) = @_;
1594		2062
1595	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1596		2064
1597	for (0 .. 3) {	2065	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1599	or next;	2067	or next;
1600	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1601	or next;	2069	or next;
1602	$neigh->load;	2070	$neigh->load;
1603		2071
		2072	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2075	}
1607		2076
1608	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1610	or next;	2080	or next;
1611	$neigh->load;	2081	$neigh->load;
1612	}	2082	}
1613	}	2083	}
1614		2084
…		…
1619	}	2089	}
1620		2090
1621	sub do_load_sync {	2091	sub do_load_sync {
1622	my ($map) = @_;	2092	my ($map) = @_;
1623		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1624	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1625	}	2098	}
1626		2099
1627	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1629		2102
1630	sub find_async {	2103	sub find_async {
1631	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1632		2105
1633	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1634		2107
1635	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2110	}
1638		2111
1639	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1640	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1641	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2119	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2120	$map->load if $v;
		2121	}
1646		2122
1647	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1648	}	2124	}
1649	}	2125	}
1650	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1651	};	2127	};
1652	$MAP_PREFETCHER->prio (6);	2128	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2131	}
1656		2132
1657	sub save {	2133	sub save {
1658	my ($self) = @_;	2134	my ($self) = @_;
1659		2135
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2137
1662	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1663		2139
1664	return unless $self->dirty;	2140	return unless $self->dirty;
1665		2141
…		…
1671	return if $self->{deny_save};	2147	return if $self->{deny_save};
1672		2148
1673	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1674		2150
1675	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1677	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1678		2157
1679	if ($uniq) {	2158	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2161	} else {
…		…
1688	my ($self) = @_;	2167	my ($self) = @_;
1689		2168
1690	# save first because save cedes	2169	# save first because save cedes
1691	$self->save;	2170	$self->save;
1692		2171
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2173
1695	return if $self->players;	2174	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2176	return if $self->{deny_save};
1698		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2182	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2183	}
1702		2184
1703	sub reset_at {	2185	sub reset_at {
1704	my ($self) = @_;	2186	my ($self) = @_;
1705		2187
1706	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1709		2190
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2193
…		…
1723	my ($self) = @_;	2204	my ($self) = @_;
1724		2205
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2207
1727	return if $self->players;	2208	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2209
1730	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
1731		2211
1732	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
1733		2213
1734	# need to save uniques path	2214	# need to save uniques path
1735	unless ($self->{deny_save}) {	2215	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2219	if $uniq;
1740	}	2220	}
1741		2221
1742	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1743		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2226	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2227
1748	$self->unlink_save;	2228	$self->unlink_save;
1749	$self->destroy;	2229	$self->destroy;
1750	}	2230	}
1751		2231
1752	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1753		2233
1754	sub nuke {	2234	sub nuke {
1755	my ($self) = @_;	2235	my ($self) = @_;
1756		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1757	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1758		2241
1759	$self->unlink_save;	2242	$self->unlink_save;
1760		2243
1761	bless $self, "cf::map";	2244	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2249
1767	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1768		2252
1769	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1770	}	2290	}
1771		2291
1772	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1773		2293
1774	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2295	instantiated unique items. May block.
1776		2296
1777	=cut	2297	=cut
1778		2298
1779	sub unique_maps() {	2299	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2300	[
1781	or return;	2301	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2302	utf8::decode $_;
1787	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2305	? ()
1790	push @paths, cf::map::normalise $_;	2306	: normalise $_
		2307	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2308	]
1792
1793	\@paths
1794	}	2309	}
1795
1796	package cf;
1797		2310
1798	=back	2311	=back
1799		2312
1800	=head3 cf::object	2313	=head3 cf::object
1801		2314
…		…
1805		2318
1806	=over 4	2319	=over 4
1807		2320
1808	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1809		2322
1810	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1811		2325
1812	=cut	2326	=cut
1813		2327
1814	sub inv_recursive_;	2328	sub inv_recursive_;
1815	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1818		2332
1819	sub inv_recursive {	2333	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1821	}	2335	}
1822		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1823	package cf;	2365	package cf;
1824		2366
1825	=back	2367	=back
1826		2368
1827	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1836		2378
1837	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1838		2394
1839	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2396	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1844		2400
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2402
1847	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1849	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1852	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1853	}	2428	}
1854		2429
1855	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1856		2431
1857	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1905		2480
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2482
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1910		2485
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2487	}
1913		2488
1914	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1916		2493
1917	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1918		2495
1919	unless ($map) {	2496	unless ($map) {
1920	# restore original map position	2497	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1937		2514
1938	$map->load;	2515	$map->load;
1939	$map->load_diag;	2516	$map->load_neighbours;
1940		2517
1941	return unless $self->contr->active;	2518	return unless $self->contr->active;
1942	$self->activate_recursive;	2519	$self->activate_recursive;
1943		2520
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1946	}	2523	}
1947		2524
1948	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2526
1952	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1956	};	2531	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2532
1962	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2535
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1983		2539
1984	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2545
1987	$self->enter_link;	2546	$self->enter_link;
1988		2547
1989	(async {	2548	(async {
		2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
1990	my $map = eval {	2570	my $map = eval {
1991	my $map = cf::map::find $path;	2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
		2575	$map = $check->($map) if $check && $map;
		2576	} else {
		2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579
1993	$map	2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2586	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1998	})->prio (1);	2594	})->prio (1);
1999	}	2595	}
2000		2596
2001	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
2002		2598
…		…
2022	}	2618	}
2023		2619
2024	sub prepare_random_map {	2620	sub prepare_random_map {
2025	my ($exit) = @_;	2621	my ($exit) = @_;
2026		2622
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2625	# that depends on the exit object
2032		2626
2033	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2629	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2630	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
2040	}	2636	}
2041		2637
2042	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
2043		2639
2044	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
2047		2643
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2646	undef $fh;
2051	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
2052		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
2055	}	2655	}
2056	}	2656	}
2057		2657
2058	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
2060		2660
2061	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
2062		2662
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2663	$self->enter_link;
2075		2664
2076	(async {	2665	(async {
2077	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
2078	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
		2675	prepare_random_map $exit
		2676	if $exit->slaying eq "/!";
		2677	}
		2678
		2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
		2682
2079	$self->goto ($slaying, $hp, $sp);	2683	$self->goto ($map, $x, $y);
2080		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
2081	1;	2689	1
2082	}) {	2690	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
2084	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2107		2715
2108	utf8::encode $text;	2716	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2718	}
2111		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
2112	=item $client->ext_event ($type, %msg)	2864	=item $client->ext_msg ($type, @msg)
2113		2865
2114	Sends an exti event to the client.	2866	Sends an ext event to the client.
2115		2867
2116	=cut	2868	=cut
2117		2869
2118	sub cf::client::ext_event($$%) {	2870	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2871	my ($self, $type, @msg) = @_;
2120		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2876	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
2123	}	2897	}
2124		2898
2125	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
2126		2900
2127	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2904
2131	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2906	become reliable at some point in the future.
2133		2907
2134	=cut	2908	=cut
2135		2909
2136	sub cf::client::query {	2910	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2919	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2921
2148	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
2150	}	2926	}
2151		2927
2152	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
2153	on_reply => sub {	2934	on_reply => sub {
2154	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
2155		2936
2156	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
2157	# get handled first	2938	# get handled first
…		…
2169	} else {	2950	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2952	}
2172	}	2953	}
2173	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
2174	);	2981	);
2175		2982
2176	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
2177		2984
2178	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2221		3028
2222	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2223		3030
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2225		3036
2226	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2227		3038
2228	=pod	3039	=pod
2229		3040
2230	The following functions and methods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2231		3042
2232	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2233	cf::object::player player	3047	cf::object::player
2234	cf::player peaceful	3048	player
2235	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2236		3055
2237	=cut	3056	=cut
2238		3057
2239	for (	3058	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2241	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2244	) {	3065	) {
2245	no strict 'refs';	3066	no strict 'refs';
…		…
2316	=back	3137	=back
2317		3138
2318	=cut	3139	=cut
2319		3140
2320	#############################################################################	3141	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3142	# the server's init and main functions
2496		3143
2497	sub load_facedata($) {	3144	sub load_facedata($) {
2498	my ($path) = @_;	3145	my ($path) = @_;
		3146
		3147	# HACK to clear player env face cache, we need some signal framework
		3148	# for this (global event?)
		3149	%ext::player_env::MUSIC_FACE_CACHE = ();
		3150
		3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3152
2500	warn "loading facedata from $path\n";	3153	warn "loading facedata from $path\n";
2501		3154
2502	my $facedata;	3155	my $facedata;
2503	0 < aio_load $path, $facedata	3156	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3159	$facedata = Coro::Storable::thaw $facedata;
2507		3160
2508	$facedata->{version} == 2	3161	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3163
		3164	# patch in the exptable
		3165	$facedata->{resource}{"res/exp_table"} = {
		3166	type => FT_RSRC,
		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3168	};
		3169	cf::cede_to_tick;
		3170
2511	{	3171	{
2512	my $faces = $facedata->{faceinfo};	3172	my $faces = $facedata->{faceinfo};
2513		3173
2514	while (my ($face, $info) = each %$faces) {	3174	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3176
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3177	cf::face::set_visibility $idx, $info->{visibility};
		3178	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3181
		3182	cf::cede_to_tick;
2520	}	3183	}
2521		3184
2522	while (my ($face, $info) = each %$faces) {	3185	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3186	next unless $info->{smooth};
		3187
2524	my $idx = cf::face::find $face	3188	my $idx = cf::face::find $face
2525	or next;	3189	or next;
		3190
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3194	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3196	}
2531	Coro::cede;	3197
		3198	cf::cede_to_tick;
2532	}	3199	}
2533	}	3200	}
2534		3201
2535	{	3202	{
2536	my $anims = $facedata->{animinfo};	3203	my $anims = $facedata->{animinfo};
2537		3204
2538	while (my ($anim, $info) = each %$anims) {	3205	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3207	cf::cede_to_tick;
2541	}	3208	}
2542		3209
2543	cf::anim::invalidate_all; # d'oh	3210	cf::anim::invalidate_all; # d'oh
2544	}	3211	}
2545		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
2546	1	3248	1
2547	}	3249	}
2548		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
2549	sub reload_regions {	3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
2550	load_resource_file "$MAPDIR/regions"	3294	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
2552	}	3301	}
2553		3302
2554	sub reload_facedata {	3303	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3304	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3305	or die "unable to load facedata\n";
…		…
2567	}	3316	}
2568		3317
2569	sub reload_resources {	3318	sub reload_resources {
2570	warn "reloading resource files...\n";	3319	warn "reloading resource files...\n";
2571		3320
2572	reload_regions;
2573	reload_facedata;	3321	reload_facedata;
2574	reload_archetypes;	3322	reload_archetypes;
		3323	reload_regions;
2575	reload_treasures;	3324	reload_treasures;
2576		3325
2577	warn "finished reloading resource files\n";	3326	warn "finished reloading resource files\n";
2578	}	3327	}
2579		3328
2580	sub init {	3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
2581	reload_resources;	3334	reload_resources;
2582	}	3335	}
2583		3336
2584	sub cfg_load {	3337	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3339	or return;
2587		3340
2588	local $/;	3341	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2590		3343
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3345
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2605	sub main {	3358	sub main {
2606	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3362	(async {
2610	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2612	};	3366	};
2613		3367
2614	cfg_load;	3368	{
		3369	my $guard = freeze_mainloop;
		3370	reload_config;
2615	db_init;	3371	db_init;
2616	load_extensions;	3372	load_extensions;
2617		3373
2618	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2619	Event::loop;	3377	EV::loop;
2620	}	3378	}
2621		3379
2622	#############################################################################	3380	#############################################################################
2623	# initialisation and cleanup	3381	# initialisation and cleanup
2624		3382
2625	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2626	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2635	},
2636	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2637	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2638	}	3472	}
2639		3473
2640	sub emergency_save() {	3474	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2642		3476
…		…
2648	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3488	$pl->save;
2654	}	3489	}
2655	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2656		3491
2657	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
2664		3499
2665	warn "begin emergency database checkpoint\n";	3500	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3501	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2668	};	3507	};
2669		3508
2670	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2671	}	3510	}
2672		3511
…		…
2674	my ($make_core) = @_;	3513	my ($make_core) = @_;
2675		3514
2676	warn Carp::longmess "post_cleanup backtrace"	3515	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3516	if $make_core;
2678	}	3517	}
		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
2679		3546
2680	sub do_reload_perl() {	3547	sub do_reload_perl() {
2681	# can/must only be called in main	3548	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2684	return;	3551	return;
2685	}	3552	}
2686		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2687	warn "reloading...";	3557	warn "reloading...";
2688		3558
2689	warn "entering sync_job";	3559	warn "entering sync_job";
2690		3560
2691	cf::sync_job {	3561	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3562	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3563	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3564	cf::write_runtime_sync; # external watchdog should not bark
2695		3565
2696	warn "syncing database to disk";	3566	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3568
2699	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2700		3570
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3574	}
2737		3575
2738	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2740	}	3578	%EXT_CORO = ();
2741		3579
2742	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3589	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3590
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2753	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2754	}	3600	}
2755		3601
2756	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2757	}	3617	}
2758		3618
2759	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3622
2763	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3625	delete $INC{"cf/pod.pm"};
2766		3626
2767	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3628	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2770		3630
2771	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2772		3632
2773	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2774	require cf;	3634	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3636
2777	warn "loading config and database again";	3637	warn "loading config and database again";
2778	cf::cfg_load;	3638	cf::reload_config;
2779		3639
2780	warn "loading extensions";	3640	warn "loading extensions";
2781	cf::load_extensions;	3641	cf::load_extensions;
2782		3642
2783	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3644	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3647	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3648	reattach $_ for values %PLAYER;
2789		3649
2790	warn "leaving sync_job";	3650	warn "leaving sync_job";
2791		3651
2792	1	3652	1
2793	} or do {	3653	} or do {
2794	warn $@;	3654	warn $@;
2795	warn "error while reloading, exiting.";	3655	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3656	};
2798		3657
2799	warn "reloaded";	3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
2800	};	3661	};
2801		3662
2802	our $RELOAD_WATCHER; # used only during reload	3663	our $RELOAD_WATCHER; # used only during reload
2803		3664
2804	sub reload_perl() {	3665	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3666	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3667	# coro crashes during coro_state_free->destroy here.
2807		3668
2808	$RELOAD_WATCHER ||= Event->timer (	3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3670	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3671	undef $RELOAD_WATCHER;
2815	},
2816	);	3672	};
2817	}	3673	}
2818		3674
2819	register_command "reload" => sub {	3675	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2821		3677
2822	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3682	reload_perl;
		3683	};
2825	}	3684	}
2826	};	3685	};
2827		3686
2828	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2829		3688
…		…
2831		3690
2832	our @WAIT_FOR_TICK;	3691	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3692	our @WAIT_FOR_TICK_BEGIN;
2834		3693
2835	sub wait_for_tick {	3694	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3696
2839	my $signal = new Coro::Signal;	3697	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3698	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3699	$signal->wait;
2842	}	3700	}
2843		3701
2844	sub wait_for_tick_begin {	3702	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3703	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3704
2848	my $signal = new Coro::Signal;	3705	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3706	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3707	$signal->wait;
2851	}	3708	}
2852		3709
2853	$TICK_WATCHER = Event->timer (	3710	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2863	return;	3714	return;
2864	}	3715	}
2865		3716
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2869		3718
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3721	Coro::async_pool {
		3722	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3723	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3725	};
		3726	}
2880		3727
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3729	$sig->send;
2886	}	3730	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3731	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3732	$sig->send;
2889	}	3733	}
2890		3734
2891	$NOW = Event::time;	3735	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3737
2902	_post_tick;	3738	if (0) {
2903		3739	if ($NEXT_TICK) {
2904		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
2905	},	3744	}
2906	);	3745	}
2907		3746
2908	{	3747	{
2909	BDB::max_poll_time $TICK * 0.1;	3748	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3749
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3750	BDB::min_parallel 8;
2919		3751	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3752	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3753
2935	unless ($DB_ENV) {	3754	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3761
2938	cf::sync_job {	3762	cf::sync_job {
2939	eval {	3763	eval {
2940	BDB::db_env_open	3764	BDB::db_env_open
2941	$DB_ENV,	3765	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3769	0666;
2946		3770
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3772	};
2952		3773
2953	cf::cleanup "db_env_open(db): $@" if $@;	3774	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3775	};
2955	}	3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
2956	}	3787	}
2957		3788
2958	{	3789	{
		3790	# configure IO::AIO
		3791
2959	IO::AIO::min_parallel 8;	3792	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3793	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3794	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3795	}
2972		3796
2973	my $_log_backtrace;	3797	my $_log_backtrace;
2974		3798
2975	sub _log_backtrace {	3799	sub _log_backtrace {
…		…
2979		3803
2980	# limit the # of concurrent backtraces	3804	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3805	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3806	++$_log_backtrace;
2983	async {	3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
2984	my @bt = fork_call {	3810	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3811	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3814	or die "addr2line: $!";

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