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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.350 by root, Sat Sep 1 08:03:45 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 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
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
24	use Coro::Util ();	50	use Coro::Util ();
25		51
26	use JSON::XS ();	52	use JSON::XS 2.01 ();
27	use BDB ();	53	use BDB ();
28	use Data::Dumper;	54	use Data::Dumper;
29	use Digest::MD5;	55	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		75
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		77
52	our %COMMAND = ();	78	our %COMMAND = ();
53	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	82	our %EXTCMD = ();
57	our %EXTICMD = ();	83	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
60		86
61	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	88	our @EVENT;
63		89
64	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	91	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
75		105
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	108	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	114	our $DB_ENV;
86		115
87	our %CFG;	116	our %CFG;
88		117
89	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
91		121
92	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
95		125
96	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		128
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		137
103	binmode STDOUT;	138	binmode STDOUT;
104	binmode STDERR;	139	binmode STDERR;
105		140
106	# read virtual server time, if available	141	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
111	}	146	}
112		147
113	mkdir $_	148	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		194
160	The raw value load value from the last tick.	195	The raw value load value from the last tick.
161		196
162	=item %cf::CFG	197	=item %cf::CFG
163		198
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	200	from wherever your confdir points to.
166		201
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		203
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	222	$msg .= "\n"
188	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
189		224
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		226
192	utf8::encode $msg;
193	LOG llevError, $msg;	227	LOG llevError, $msg;
194	};	228	};
195	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
196		245
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	256	for my $pkg (qw(
208	cf::global cf::attachable	257	cf::global cf::attachable
209	cf::object cf::object::player	258	cf::object cf::object::player
210	cf::client cf::player	259	cf::client cf::player
211	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
212	cf::map cf::party cf::region	262	cf::party cf::region
213	)) {	263	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	265	}
217		266
218	$Event::DIED = sub {	267	$EV::DIED = sub {
219	warn "error in event callback: @_";	268	warn "error in event callback: @_";
220	};	269	};
221		270
222	#############################################################################	271	#############################################################################
223		272
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	296	$d
248	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
249	}	298	}
250		299
251	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
252		301
253	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
254		303
255	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
256		305
257	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
258		307
259	=cut	308	=cut
260		309
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		311
263	sub to_json ($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
265		328
266	=item cf::lock_wait $string	329	=item cf::lock_wait $string
267		330
268	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
269		332
270	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
271		334
272	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
275	returned.	338	returned.
276		339
277	Locks are *not* recursive, locking from the same coro twice results in a	340	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	341	deadlocked coro.
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
286		349
287	=cut	350	=cut
288		351
289	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
290		354
291	sub lock_wait($) {	355	sub lock_wait($) {
292	my ($key) = @_;	356	my ($key) = @_;
293		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
294	# wait for lock, if any	363	# wait for lock, if any
295	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
296	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	367	Coro::schedule;
298	}	368	}
299	}	369	}
300		370
…		…
303		373
304	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
305	lock_wait $key;	375	lock_wait $key;
306		376
307	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
308		379
309	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
312	}	384	}
313	}	385	}
314		386
…		…
317		389
318	! ! $LOCK{$key}	390	! ! $LOCK{$key}
319	}	391	}
320		392
321	sub freeze_mainloop {	393	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
323		395
324	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	397	}
326	};	398
327	$TICK_WATCHER->stop;	399	=item cf::periodic $interval, $cb
328	$guard	400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
329	}	412	}
330		413
331	=item cf::get_slot $time[, $priority[, $name]]	414	=item cf::get_slot $time[, $priority[, $name]]
332		415
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	427	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	428	our $SLOT_QUEUE;
346		429
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
349	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
350		435
351	while () {	436	while () {
352	next_job:	437	next_job:
353	my $avail = cf::till_tick;	438	my $avail = cf::till_tick;
…		…
361	}	446	}
362	}	447	}
363	}	448	}
364		449
365	if (@SLOT_QUEUE) {	450	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	452	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	453	$signal->wait;
369	} else {	454	} else {
370	Coro::schedule;	455	Coro::schedule;
371	}	456	}
372	}	457	}
373	};	458	};
374		459
375	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
376	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
377		464
378	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
380		467
…		…
394		481
395	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
396		483
397	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
398		485
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	487	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	489	acceptable.
403		490
404	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		497
411	sub sync_job(&) {	498	sub sync_job(&) {
412	my ($job) = @_;	499	my ($job) = @_;
413		500
414	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	502	my $time = EV::time;
416		503
417	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
419		506
420	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	508
422	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
423		510
424	my $busy = 1;	511	my $busy = 1;
425	my @res;	512	my @res;
426		513
427	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	516	@res = eval { $job->() };
429	warn $@ if $@;	517	warn $@ if $@;
430	undef $busy;	518	undef $busy;
431	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
432		520
433	while ($busy) {	521	while ($busy) {
434	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
435	}	526	}
		527	}
436		528
437	$time = Event::time - $time;	529	my $time = EV::time - $time;
438		530
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
443		532
444	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
445	} else {	534	} else {
446	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
447		536
…		…
472	=item fork_call { }, $args	561	=item fork_call { }, $args
473		562
474	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
478		567
479	=cut	568	=cut
480		569
481	sub fork_call(&@) {	570	sub fork_call(&@) {
482	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
483		572
484	# we seemingly have to make a local copy of the whole thing,	573	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	574	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	575	# TODO: investigate and fix (likely this will be rather laborious)
487		576
488	my @res = Coro::Util::fork_eval {	577	my @res = Coro::Util::fork_eval {
489	reset_signals;	578	reset_signals;
490	&$cb	579	&$cb
491	}, @args;	580	}, @args;
492		581
493	wantarray ? @res : $res[-1]	582	wantarray ? @res : $res[-1]
494	}	583	}
495		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
496	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
497		613
498	Returns a single value from the environment database.	614	Returns a single value from the environment database.
499		615
500	=item cf::db_put $family => $key => $value	616	=item cf::db_put $family => $key => $value
501		617
502	Stores the given C<$value> in the family. It can currently store binary	618	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
505	=cut	626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
506		644
507	our $DB;	645	our $DB;
508		646
509	sub db_init {	647	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	648	cf::sync_job {
514	eval {	649	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	650	};
524	}	651	}
525		652
526	sub db_get($$) {	653	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	654	my $key = "$_[0]/$_[1]";
528		655
…		…
626		753
627	#############################################################################	754	#############################################################################
628		755
629	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
630		757
631	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
634		761
635	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	764	Deliantra).
638		765
639	=over 4	766	=over 4
640		767
641	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
642		769
…		…
686	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
687		814
688	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
690		817
691	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
693		820
694	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
695		822
696	=over 4	823	=over 4
…		…
924	}	1051	}
925		1052
926	0	1053	0
927	}	1054	}
928		1055
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1057
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1059
933	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
934		1061
…		…
940		1067
941	=cut	1068	=cut
942		1069
943	#############################################################################	1070	#############################################################################
944	# object support	1071	# object support
945	#
946		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
947	sub _can_merge {	1106	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1107	my ($ob1, $ob2) = @_;
949		1108
950	local $Storable::canonical = 1;	1109	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1110
954	$fob1 eq $fob2	1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
955	}	1113	}
956		1114
957	sub reattach {	1115	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1117	my ($obj) = @_;
960		1118
		1119	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1121
963	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
964		1123
965	@$registry = ();	1124	@$registry = ();
966		1125
…		…
981	cf::attachable->attach (	1140	cf::attachable->attach (
982	prio => -1000000,	1141	prio => -1000000,
983	on_instantiate => sub {	1142	on_instantiate => sub {
984	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
985		1144
986	$data = from_json $data;	1145	$data = decode_json $data;
987		1146
988	for (@$data) {	1147	for (@$data) {
989	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
990		1149
991	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1166	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
1009		1168
1010	sync_job {	1169	sync_job {
1011	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1014		1174
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1179	aio_close $fh;
1020		1180
1021	if (@$objs) {	1181	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1187	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1189	}
1030	} else {	1190	} else {
1031	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1032	}	1192	}
1033		1193
1034	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1198	} else {
1036	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1037	}	1200	}
1038	} else {	1201	} else {
1039	aio_unlink $filename;	1202	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1041	}	1204	}
1042	}	1205	};
1043	}	1206	}
1044		1207
1045	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
1047		1210
…		…
1059	or return;	1222	or return;
1060		1223
1061	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1226	or return;
		1227
1064	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
1065	}	1230	}
1066		1231
		1232	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1234	$decname, length $data, scalar @{$av || []};
		1235
1069	return ($data, $av);	1236	($data, $av)
1070	}	1237	}
1071		1238
1072	=head2 COMMAND CALLBACKS	1239	=head2 COMMAND CALLBACKS
1073		1240
1074	=over 4	1241	=over 4
…		…
1128	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1129		1296
1130	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1131	}	1298	}
1132		1299
		1300	use File::Glob ();
		1301
1133	cf::player->attach (	1302	cf::player->attach (
1134	on_command => sub {	1303	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1136		1305
1137	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1169		1338
1170	cf::override;	1339	cf::override;
1171	},	1340	},
1172	);	1341	);
1173		1342
		1343	# "readahead" all extensions
		1344	sub cache_extensions {
		1345	my $grp = IO::AIO::aio_group;
		1346
		1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1348	for (grep /\.ext$/, @{$_[0]}) {
		1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1350	}
		1351	};
		1352
		1353	$grp
		1354	}
		1355
1174	sub load_extensions {	1356	sub load_extensions {
1175	cf::sync_job {	1357	cf::sync_job {
1176	my %todo;	1358	my %todo;
1177		1359
1178	for my $path (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1379
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1382
1201	$ext{source} =	1383	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1204	. $source	1386	. $source
1205	. "\n};\n1";	1387	. "\n};\n1";
1206		1388
1207	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1225		1407
1226	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1409	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1411	}
1231		1412
1232	warn $msg;	1413	warn $msg;
1233	}	1414	}
1234		1415
…		…
1248		1429
1249	=back	1430	=back
1250		1431
1251	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1252		1433
1253	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1254		1435
1255	=cut	1436	=cut
1256		1437
1257	package cf::player;	1438	package cf::player;
1258		1439
1259	use Coro::AIO;	1440	use Coro::AIO;
1260		1441
1261	=head3 cf::player	1442	=head3 cf::player
1262		1443
1263	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1264		1459
1265	=item cf::player::find $login	1460	=item cf::player::find $login
1266		1461
1267	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1268		1463
…		…
1287		1482
1288	sub exists($) {	1483	sub exists($) {
1289	my ($login) = @_;	1484	my ($login) = @_;
1290		1485
1291	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1293	}	1488	}
1294		1489
1295	sub find($) {	1490	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1492	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1503
1309	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1312	}	1513	}
1313	}	1514	}
1314	}	1515	}
1315		1516
…		…
1323		1524
1324	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1325		1526
1326	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
		1529
		1530	cf::get_slot 0.01;
1328		1531
1329	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1533	cf::cede_to_tick;
1331	}	1534	}
1332		1535
…		…
1364	my ($pl) = @_;	1567	my ($pl) = @_;
1365		1568
1366	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1367		1570
1368	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1573
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1375		1580
1376	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1618	or return [];
1414		1619
1415	my @logins;	1620	my @logins;
1416		1621
1417	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1421		1632
1422	utf8::decode $login;	1633	utf8::decode $login;
1423	push @logins, $login;	1634	push @logins, $login;
1424	}	1635	}
1425		1636
…		…
1452	}	1663	}
1453		1664
1454	\@paths	1665	\@paths
1455	}	1666	}
1456		1667
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1669
1459	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1671
1507	=item $player->ext_reply ($msgid, @msg)	1672	=item $player->ext_reply ($msgid, @msg)
1508		1673
1509	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1510		1675
…		…
1577	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1579		1744
1580	sub generate_random_map {	1745	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1582	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1751	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1876
1709	# the temporary/swap location	1877	# the temporary/swap location
1710	sub save_path {	1878	sub save_path {
1711	my ($self) = @_;	1879	my ($self) = @_;
1712		1880
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1715	}	1883	}
1716		1884
1717	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1718	sub uniq_path {	1886	sub uniq_path {
1719	my ($self) = @_;	1887	my ($self) = @_;
1720		1888
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1723	}	1891	}
1724		1892
1725	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1726	# all maps in C++...	1894	# all maps in C++...
…		…
1749		1917
1750	sub load_header_from($) {	1918	sub load_header_from($) {
1751	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1752		1920
1753	utf8::encode $path;	1921	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1759		1930
1760	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1761		1932
1762	1	1933	1
1763	}	1934	}
…		…
1817	sub find {	1988	sub find {
1818	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1819		1990
1820	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1821		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1823		1995
1824	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1826	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1827	or return;	2001	or return;
1828		2002
1829	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1830		2004
…		…
1832	or return;	2006	or return;
1833		2007
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1837	$map->reset;	2013	$map->reset;
1838	undef $guard;
1839	return find $path;	2014	return find $path;
1840	}	2015	}
1841		2016
1842	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1843	}	2018	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1853		2028
1854	my $path = $self->{path};	2029	my $path = $self->{path};
1855		2030
1856	{	2031	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2033
		2034	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2036
1862	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1863		2038
1864	$self->alloc;	2039	$self->alloc;
1865		2040
1866	$self->pre_load;	2041	$self->pre_load;
1867	cf::cede_to_tick;	2042	cf::cede_to_tick;
1868		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1870	or return;	2047	or return;
1871		2048
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1873	if delete $self->{load_original};	2050	if delete $self->{load_original};
1874		2051
1875	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2053	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2056	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1880	}	2060	}
1881	}	2061	}
		2062
		2063	$f->resolve_delayed_derefs;
1882		2064
1883	cf::cede_to_tick;	2065	cf::cede_to_tick;
1884	# now do the right thing for maps	2066	# now do the right thing for maps
1885	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
…		…
1898	}	2080	}
1899		2081
1900	$self->{last_save} = $cf::RUNTIME;	2082	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2083	$self->last_access ($cf::RUNTIME);
1902		2084
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2086	}
1905		2087
1906	$self->post_load;	2088	$self->post_load;
1907	}	2089	}
1908		2090
…		…
1966	my ($path, $origin, $load) = @_;	2148	my ($path, $origin, $load) = @_;
1967		2149
1968	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1969		2151
1970	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2154	}
1973		2155
1974	$MAP_PREFETCH{$path} |= $load;	2156	$MAP_PREFETCH{$path} |= $load;
1975		2157
1976	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1977	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2163	if (my $map = find $k) {
1980	$map->load if $v;	2164	$map->load if $v;
1981	}	2165	}
…		…
2007	return if $self->{deny_save};	2191	return if $self->{deny_save};
2008		2192
2009	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
2010		2194
2011	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
2013	};	2198	};
		2199
		2200	cf::get_slot 0.02;
2014		2201
2015	if ($uniq) {	2202	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2205	} else {
…		…
2027	$self->save;	2214	$self->save;
2028		2215
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2217
2031	return if $self->players;	2218	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2220	return if $self->{deny_save};
2034		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2226	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2227	}
2038		2228
2039	sub reset_at {	2229	sub reset_at {
2040	my ($self) = @_;	2230	my ($self) = @_;
2041		2231
…		…
2073	if $uniq;	2263	if $uniq;
2074	}	2264	}
2075		2265
2076	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
2077		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2270	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2271
2082	$self->unlink_save;	2272	$self->unlink_save;
2083	$self->destroy;	2273	$self->destroy;
2084	}	2274	}
2085		2275
…		…
2090		2280
2091	{	2281	{
2092	my $lock = cf::lock_acquire "map_data:$self->{path}";	2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
2093		2283
2094	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
		2285
		2286	$self->unlink_save;
2095		2287
2096	bless $self, "cf::map";	2288	bless $self, "cf::map";
2097	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
2098	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
2099	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2101
2102	$self->unlink_save;
2103		2293
2104	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
2105	}	2295	}
2106		2296
2107	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
…		…
2152		2342
2153	sub unique_maps() {	2343	sub unique_maps() {
2154	[	2344	[
2155	map {	2345	map {
2156	utf8::decode $_;	2346	utf8::decode $_;
2157	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2158	? normalise $_	2350	: normalise $_
2159	: ()
2160	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2161	]	2352	]
2162	}	2353	}
2163		2354
2164	package cf;
2165
2166	=back	2355	=back
2167		2356
2168	=head3 cf::object	2357	=head3 cf::object
2169		2358
2170	=cut	2359	=cut
…		…
2173		2362
2174	=over 4	2363	=over 4
2175		2364
2176	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2177		2366
2178	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
2179		2369
2180	=cut	2370	=cut
2181		2371
2182	sub inv_recursive_;	2372	sub inv_recursive_;
2183	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2186		2376
2187	sub inv_recursive {	2377	sub inv_recursive {
2188	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2189	}	2379	}
2190		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
2191	package cf;	2409	package cf;
2192		2410
2193	=back	2411	=back
2194		2412
2195	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
2201	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2202	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
2203	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2204		2422
2205	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
2206		2438
2207	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2208	# with dialog boxes.	2440	# with dialog boxes.
2209	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
2210	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
2222	my $dialog = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224		2456
2225	} else {	2457	} else {
2226	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2227	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228	}	2460	}
2229	}	2461	}
2230	}	2462	}
2231		2463
2232	=item $object->send_msg ($channel, $msg, $color, [extra...])	2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2257		2489
2258	=item $player_object->enter_link	2490	=item $player_object->enter_link
2259		2491
2260	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
2261		2493
2262	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
2263	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
2264		2498
2265	Will never block.	2499	Will never block.
2266		2500
2267	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2268		2502
…		…
2326		2560
2327	$map->load;	2561	$map->load;
2328	$map->load_neighbours;	2562	$map->load_neighbours;
2329		2563
2330	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2331	$self->activate_recursive;	2566	$self->activate_recursive;
2332		2567
2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2335	}	2570	}
…		…
2340	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2341	that has to return the map if sucecssful, and then unfreezes the player on	2576	that has to return the map if sucecssful, and then unfreezes the player on
2342	the new (success) or old (failed) map position. In either case, $done will	2577	the new (success) or old (failed) map position. In either case, $done will
2343	be called at the end of this process.	2578	be called at the end of this process.
2344		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
		2582
2345	=cut	2583	=cut
2346		2584
2347	our $GOTOGEN;	2585	our $GOTOGEN;
2348		2586
2349	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
…		…
2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354		2592
2355	$self->enter_link;	2593	$self->enter_link;
2356		2594
2357	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
2358	my $map = eval {	2617	my $map = eval {
2359	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
2360		2619
2361	if ($map) {	2620	if ($map) {
2362	$map = $map->customise_for ($self);	2621	$map = $map->customise_for ($self);
2363	$map = $check->($map) if $check && $map;	2622	$map = $check->($map) if $check && $map;
2364	} else {	2623	} else {
2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366	}	2625	}
2367		2626
2368	$map	2627	$map
2369	};	2628	};
2370		2629
…		…
2406	}	2665	}
2407		2666
2408	sub prepare_random_map {	2667	sub prepare_random_map {
2409	my ($exit) = @_;	2668	my ($exit) = @_;
2410		2669
2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2414	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2415	# that depends on the exit object	2672	# that depends on the exit object
2416		2673
2417	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2419	if ($exit->map) {	2676	if ($exit->map) {
2420	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2421	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2422	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2423	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2424	}	2683	}
2425		2684
2426	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2427		2686
2428	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2430	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2431		2690
2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2434	undef $fh;	2693	undef $fh;
2435	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2436		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2437	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2438	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2439	}	2702	}
2440	}	2703	}
2441		2704
2442	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2443	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2444		2707
2445	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2446		2709
2447	if ($exit->slaying eq "/!") {
2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
2449	# the problem is that $exit might not survive long enough
2450	# so it needs to be done right now, right here
2451	cf::sync_job { prepare_random_map $exit };
2452	}
2453
2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455	my $hp = $exit->stats->hp;
2456	my $sp = $exit->stats->sp;
2457
2458	$self->enter_link;	2710	$self->enter_link;
2459		2711
2460	# if exit is damned, update players death & WoR home-position
2461	$self->contr->savebed ($slaying, $hp, $sp)
2462	if $exit->flag (FLAG_DAMNED);
2463
2464	(async {	2712	(async {
2465	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2466	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2467	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2468		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2469	1;	2736	1
2470	}) {	2737	}) {
2471	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2472	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2473	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2474	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2475		2742
2476	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2504	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2505	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2506		2773
2507	=cut	2774	=cut
2508		2775
		2776	# non-persistent channels (usually the info channel)
2509	our %CHANNEL = (	2777	our %CHANNEL = (
2510	"c/identify" => {	2778	"c/identify" => {
2511	id => "identify",	2779	id => "infobox",
2512	title => "Identify",	2780	title => "Identify",
2513	reply => undef,	2781	reply => undef,
2514	tooltip => "Items recently identified",	2782	tooltip => "Items recently identified",
2515	},	2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
2516	);	2838	);
2517		2839
2518	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2519	my ($self, $channel, $msg, $color, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2520		2842
2521	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
2522		2845
2523	$color &= cf::NDI_CLIENT_MASK; # just in case...	2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
2524		2847
2525	# check predefined channels, for the benefit of C	2848	# check predefined channels, for the benefit of C
2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
2527		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
2528	if (ref $channel) {	2857	} elsif (ref $channel) {
2529	# send meta info to client, if not yet sent	2858	# send meta info to client, if not yet sent
2530	unless (exists $self->{channel}{$channel->{id}}) {	2859	unless (exists $self->{channel}{$channel->{id}}) {
2531	$self->{channel}{$channel->{id}} = $channel;	2860	$self->{channel}{$channel->{id}} = $channel;
2532	$self->ext_msg (channel_info => $channel);	2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
2533	}	2863	}
2534		2864
2535	$channel = $channel->{id};	2865	$channel = $channel->{id};
2536	}	2866	}
2537		2867
…		…
2540	if ($self->can_msg) {	2870	if ($self->can_msg) {
2541	# default colour, mask it out	2871	# default colour, mask it out
2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2543	if $color & cf::NDI_DEF;	2873	if $color & cf::NDI_DEF;
2544		2874
2545	$self->send_packet ("msg " . $self->{json_coder}->encode (	2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
2547	} else {	2891	} else {
2548	if ($color >= 0) {	2892	if ($color >= 0) {
2549	# replace some tags by gcfclient-compatible ones	2893	# replace some tags by gcfclient-compatible ones
2550	for ($msg) {	2894	for ($msg) {
2551	1 while	2895	1 while
…		…
2749	=pod	3093	=pod
2750		3094
2751	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2752		3096
2753	cf::object	3097	cf::object
2754	contr pay_amount pay_player map x y force_find force_add	3098	contr pay_amount pay_player map x y force_find force_add destroy
2755	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
2756		3100
2757	cf::object::player	3101	cf::object::player
2758	player	3102	player
2759		3103
2760	cf::player	3104	cf::player
…		…
2765		3109
2766	=cut	3110	=cut
2767		3111
2768	for (	3112	for (
2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2770	insert remove inv name archname title slaying race	3114	insert remove inv nrof name archname title slaying race
2771	decrease_ob_nr)],	3115	decrease split destroy change_exp)],
2772	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2773	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2774	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2775	) {	3119	) {
2776	no strict 'refs';	3120	no strict 'refs';
…		…
2881	{	3225	{
2882	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2883		3227
2884	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2886	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
2887	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2890		3235
2891	cf::cede_to_tick;	3236	cf::cede_to_tick;
2892	}	3237	}
2893		3238
2894	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2895	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2896	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2897	or next;	3243	or next;
		3244
2898	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2899	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2901	} else {	3248	} else {
2902	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2920	{	3267	{
2921	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
2922	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
2923	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
2924		3271
2925	my $soundconf = delete $res->{"res/sound.conf"};
2926
2927	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2929	my $data;	3275	my $data;
2930		3276
2931	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
2932	# prepend meta info	3278	# prepend meta info
2933		3279
2934	my $meta = $enc->encode ({	3280	my $meta = $enc->encode ({
2935	name => $name,	3281	name => $name,
2936	%{ $info->{meta} || {} },	3282	%{ $info->{meta} || {} },
2937	});	3283	});
2938		3284
2939	$data = pack "(w/a*)*", $meta, $info->{data};	3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
2940	} else {	3292	} else {
2941	$data = $info->{data};	3293	$RESOURCE{$name} = $info;
2942	}	3294	}
2943		3295
2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2945	cf::face::set_type $idx, $info->{type};
2946
2947	cf::cede_to_tick;	3296	cf::cede_to_tick;
2948	}	3297	}
2949
2950	if ($soundconf) {
2951	$soundconf = $enc->decode (delete $soundconf->{data});
2952
2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2954	my $sound = $soundconf->{compat}[$_]
2955	or next;
2956
2957	my $face = cf::face::find "sound/$sound->[1]";
2958	cf::sound::set $sound->[0] => $face;
2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2960	}
2961
2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
2963	my $face = cf::face::find "sound/$v";
2964	cf::sound::set $k => $face;
2965	}
2966	}
2967	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2968		3301
2969	1	3302	1
2970	}	3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
2971		3324
2972	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
2973	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
2974		3327
2975	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
2976	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
2977	}	3330	}
2978	};	3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
2979		3342
2980	sub reload_regions {	3343	sub reload_regions {
2981	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
2982	# for this (global event?)	3345	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2997	}	3360	}
2998		3361
2999	sub reload_archetypes {	3362	sub reload_archetypes {
3000	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3001	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3002	#d# NEED to laod twice to resolve forward references
3003	# this really needs to be done in an extra post-pass
3004	# (which needs to be synchronous, so solve it differently)
3005	load_resource_file "$DATADIR/archetypes"
3006	or die "unable to load archetypes\n";
3007	}	3365	}
3008		3366
3009	sub reload_treasures {	3367	sub reload_treasures {
3010	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3011	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3012	}	3370	}
3013		3371
3014	sub reload_resources {	3372	sub reload_resources {
3015	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3016		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3017	reload_regions;	3377	reload_regions;
3018	reload_facedata;
3019	#reload_archetypes;#d#
3020	reload_archetypes;
3021	reload_treasures;	3378	reload_treasures;
3022		3379
3023	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3024	}
3025
3026	sub init {
3027	reload_resources;
3028	}	3381	}
3029		3382
3030	sub reload_config {	3383	sub reload_config {
3031	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3032	or return;	3385	or return;
3033		3386
3034	local $/;	3387	local $/;
3035	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3036		3389
3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3038		3391
3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3046	};	3399	};
3047	warn $@ if $@;	3400	warn $@ if $@;
3048	}	3401	}
3049	}	3402	}
3050		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
3051	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
3052	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
3053	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3055	(async {	3442	(async {
3056	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
3057	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
3058	};	3446	};
3059		3447
		3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
3060	reload_config;	3452	reload_config;
3061	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
3062	load_extensions;	3466	load_extensions;
3063		3467
3064	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
3065	Event::loop;	3476	EV::loop;
3066	}	3477	}
3067		3478
3068	#############################################################################	3479	#############################################################################
3069	# initialisation and cleanup	3480	# initialisation and cleanup
3070		3481
3071	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
3072	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
3073	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
3074	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3075	reentrant => 0,
3076	data => WF_AUTOCANCEL,
3077	signal => $signal,
3078	prio => 0,
3079	cb => sub {
3080	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
3081	},
3082	);	3488	};
3083	}	3489	}
3084	}	3490	}
3085		3491
3086	sub write_runtime {	3492	sub write_runtime_sync {
3087	my $runtime = "$LOCALDIR/runtime";
3088
3089	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
3090	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
3091		3495
3092	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3093		3497
3094	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
3095		3499
3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3097	or return;	3501	or return;
3098		3502
3099	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
3100	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
3101	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
3111	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
3112		3516
3113	close $fh	3517	close $fh
3114	or return;	3518	or return;
3115		3519
3116	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3117	and return;	3521	and return;
3118		3522
3119	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
3120		3524
3121	1	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
3122	}	3576	}
3123		3577
3124	sub emergency_save() {	3578	sub emergency_save() {
3125	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
3126		3580
3127	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
3128		3582
3129	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
3130	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
3131	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
3132	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
3133	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
3134	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
3135	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
3136	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3137	$pl->save;	3597	$pl->save;
3138	}	3598	}
3139	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
3140		3600
3141	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
3142	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
3143	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
3144	$map->valid or next;	3604	$map->valid or next;
3145	$map->save;	3605	$map->save;
3146	}	3606	}
3147	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
3148		3608
3149	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
3150	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3151	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
3152	};	3616	};
3153		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
3154	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
3155	}	3624	}
3156		3625
3157	sub post_cleanup {	3626	sub post_cleanup {
3158	my ($make_core) = @_;	3627	my ($make_core) = @_;
3159		3628
3160	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
3161	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
3162	}	3660	}
3163		3661
3164	sub do_reload_perl() {	3662	sub do_reload_perl() {
3165	# can/must only be called in main	3663	# can/must only be called in main
3166	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
3167	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
3168	return;	3666	return;
3169	}	3667	}
3170		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
3171	warn "reloading...";	3674	warn "reloading...";
3172		3675
3173	warn "entering sync_job";	3676	warn "entering sync_job";
3174		3677
3175	cf::sync_job {	3678	cf::sync_job {
3176	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
3177	cf::emergency_save;	3680	cf::emergency_save;
3178	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
3179		3682
3180	warn "syncing database to disk";	3683	warn "syncing database to disk";
3181	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3182		3685
3183	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
3184		3687
3185	warn "cancelling all WF_AUTOCANCEL watchers";
3186	for (Event::all_watchers) {
3187	$_->cancel if $_->data & WF_AUTOCANCEL;
3188	}
3189
3190	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3191	for (;;) {
3192	BDB::flush;
3193	IO::AIO::flush;
3194	Coro::cede;
3195	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3196	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3197	}
3198
3199	++$RELOAD;
3200
3201	warn "cancelling all extension coros";
3202	$_->cancel for values %EXT_CORO;
3203	%EXT_CORO = ();
3204
3205	warn "removing commands";
3206	%COMMAND = ();
3207
3208	warn "removing ext/exti commands";
3209	%EXTCMD = ();
3210	%EXTICMD = ();
3211
3212	warn "unloading/nuking all extensions";
3213	for my $pkg (@EXTS) {
3214	warn "... unloading $pkg";
3215
3216	if (my $cb = $pkg->can ("unload")) {
3217	eval {
3218	$cb->($pkg);
3219	1
3220	} or warn "$pkg unloaded, but with errors: $@";
3221	}	3691	}
3222		3692
3223	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3224	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3225	}	3695	%EXT_CORO = ();
3226		3696
3227	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3228	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3230		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3231	warn "... unloading $k";	3706	warn "... unloading $pkg";
3232	delete $INC{$k};
3233		3707
3234	$k =~ s/\.pm$//;
3235	$k =~ s/\//::/g;
3236
3237	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3238	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3239	}	3717	}
3240		3718
3241	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
3242	}	3734	}
3243		3735
3244	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3245	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3247		3739
3248	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3249	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3250	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3251		3743
3252	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3253	# and global variables created in xs	3745	# and global variables created in xs
3254	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3255		3747
3256	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3257		3749
3258	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3259	require cf;	3751	require cf;
3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3261		3753
3262	warn "loading config and database again";	3754	warn "loading config and database again";
3263	cf::reload_config;	3755	cf::reload_config;
3264		3756
3265	warn "loading extensions";	3757	warn "loading extensions";
3266	cf::load_extensions;	3758	cf::load_extensions;
3267		3759
		3760	if ($REATTACH_ON_RELOAD) {
3268	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3269	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3270	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3271	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3272	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3273	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3274		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3275	warn "leaving sync_job";	3772	warn "leaving sync_job";
3276		3773
3277	1	3774	1
3278	} or do {	3775	} or do {
3279	warn $@;	3776	warn $@;
3280	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3281	exit 1;
3282	};	3778	};
3283		3779
3284	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3285	};	3786	};
3286		3787
3287	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3288		3789
3289	sub reload_perl() {	3790	sub reload_perl() {
3290	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3291	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3292		3793
3293	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3294	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3295	after => 0,	3796
3296	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3297	cb => sub {
3298	do_reload_perl;	3798	do_reload_perl;
3299	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3300	},	3800	};
3301	);	3801	};
3302	}	3802	}
3303		3803
3304	register_command "reload" => sub {	3804	register_command "reload" => sub {
3305	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3306		3806
3307	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
3308	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
3309	async { reload_perl };	3811	reload_perl;
		3812	};
3310	}	3813	}
3311	};	3814	};
3312		3815
3313	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
3314		3817
…		…
3316		3819
3317	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3318	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3319		3822
3320	sub wait_for_tick {	3823	sub wait_for_tick {
3321	return unless $TICK_WATCHER->is_active;
3322	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3323		3825
3324	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3325	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3326	$signal->wait;	3828	$signal->wait;
3327	}	3829	}
3328		3830
3329	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3330	return unless $TICK_WATCHER->is_active;
3331	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3332		3833
3333	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3334	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3335	$signal->wait;	3836	$signal->wait;
3336	}	3837	}
3337		3838
3338	my $min = 1e6;#d#	3839	sub tick {
3339	my $avg = 10;
3340	$TICK_WATCHER = Event->timer (
3341	reentrant => 0,
3342	parked => 1,
3343	prio => 0,
3344	at => $NEXT_TICK || $TICK,
3345	data => WF_AUTOCANCEL,
3346	cb => sub {
3347	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3349	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3350	return;	3843	return;
3351	}	3844	}
3352		3845
3353	$NOW = $tick_start = Event::time;
3354
3355	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3356		3847
3357	0 && sync_job {#d#	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	for(1..10) {	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3359	my $t = Event::time;	3850	Coro::async_pool {
3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3851	$Coro::current->{desc} = "runtime saver";
3361	or die;	3852	write_runtime_sync
3362		3853	or warn "ERROR: unable to write runtime file: $!";
3363	$map->width (50);
3364	$map->height (50);
3365	$map->alloc;
3366	$map->_load_objects ("/tmp/x.map", 1);
3367	my $t = Event::time - $t;
3368
3369	#next unless $t < 0.0013;#d#
3370	if ($t < $min) {
3371	$min = $t;
3372	}
3373	$avg = $avg * 0.99 + $t * 0.01;
3374	}
3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3376	exit 0;
3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3378	};	3854	};
		3855	}
3379		3856
3380	$RUNTIME += $TICK;
3381	$NEXT_TICK += $TICK;
3382
3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
3385	Coro::async_pool {
3386	write_runtime
3387	or warn "ERROR: unable to write runtime file: $!";
3388	};
3389	}
3390
3391	# my $AFTER = Event::time;
3392	# warn $AFTER - $NOW;#d#
3393
3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3395	$sig->send;	3858	$sig->send;
3396	}	3859	}
3397	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3398	$sig->send;	3861	$sig->send;
3399	}	3862	}
3400		3863
3401	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3402
3403	# if we are delayed by four ticks or more, skip them all
3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3405
3406	$TICK_WATCHER->at ($NEXT_TICK);
3407	$TICK_WATCHER->start;
3408
3409	$LOAD = ($NOW - $tick_start) / $TICK;
3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3411		3866
3412	_post_tick;	3867	if (0) {
3413		3868	if ($NEXT_TICK) {
3414		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3415	},	3873	}
3416	);	3874	}
3417		3875
3418	{	3876	{
3419	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
3420	$BDB_POLL_WATCHER = Event->io (	3878
3421	reentrant => 0,
3422	fd => BDB::poll_fileno,
3423	poll => 'r',
3424	prio => 0,
3425	data => WF_AUTOCANCEL,
3426	cb => \&BDB::poll_cb,
3427	);
3428	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3429		3880	BDB::max_poll_reqs $TICK * 0.1;
3430	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
3431	my $status;
3432	my $current = $Coro::current;
3433	(
3434	sub {
3435	$status = $!;
3436	$current->ready; undef $current;
3437	},
3438	sub {
3439	Coro::schedule while defined $current;
3440	$! = $status;
3441	},
3442	)
3443	};
3444		3882
3445	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3446	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3447		3890
3448	cf::sync_job {	3891	cf::sync_job {
3449	eval {	3892	eval {
3450	BDB::db_env_open	3893	BDB::db_env_open
3451	$DB_ENV,	3894	$DB_ENV,
…		…
3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3455	0666;	3898	0666;
3456		3899
3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3458
3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3460	$DB_ENV->set_lk_detect;
3461	};	3901	};
3462		3902
3463	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3464	};	3904	};
3465	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
3466	}	3916	}
3467		3917
3468	{	3918	{
		3919	# configure IO::AIO
		3920
3469	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3470
3471	undef $Coro::AIO::WATCHER;
3472	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3473	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3474	reentrant => 0,
3475	data => WF_AUTOCANCEL,
3476	fd => IO::AIO::poll_fileno,
3477	poll => 'r',
3478	prio => 6,
3479	cb => \&IO::AIO::poll_cb,
3480	);
3481	}	3924	}
3482		3925
3483	my $_log_backtrace;	3926	my $_log_backtrace;
3484		3927
3485	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3488	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3489		3932
3490	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3491	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3492	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3493	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
3494	my @bt = fork_call {	3940	my @bt = fork_call {
3495	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3498	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
3506	}	3952	}
3507		3953
3508	@funcs	3954	@funcs
3509	};	3955	};
3510		3956
3511	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3512	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3513	--$_log_backtrace;	3960	--$_log_backtrace;
3514	};	3961	};
3515	} else {	3962	} else {
3516	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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