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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	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		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
102		134
103	binmode STDOUT;	135	binmode STDOUT;
104	binmode STDERR;	136	binmode STDERR;
105		137
106	# read virtual server time, if available	138	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
111	}	143	}
112		144
113	mkdir $_	145	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		191
160	The raw value load value from the last tick.	192	The raw value load value from the last tick.
161		193
162	=item %cf::CFG	194	=item %cf::CFG
163		195
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	197	from wherever your confdir points to.
166		198
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		200
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	219	$msg .= "\n"
188	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
189		221
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		223
192	utf8::encode $msg;
193	LOG llevError, $msg;	224	LOG llevError, $msg;
194	};	225	};
195	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
196		242
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	253	for my $pkg (qw(
208	cf::global cf::attachable	254	cf::global cf::attachable
209	cf::object cf::object::player	255	cf::object cf::object::player
210	cf::client cf::player	256	cf::client cf::player
211	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
212	cf::map cf::party cf::region	259	cf::party cf::region
213	)) {	260	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	262	}
217		263
218	$Event::DIED = sub {	264	$EV::DIED = sub {
219	warn "error in event callback: @_";	265	warn "error in event callback: @_";
220	};	266	};
221		267
222	#############################################################################	268	#############################################################################
223		269
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	293	$d
248	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
249	}	295	}
250		296
251	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
252		298
253	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
254		300
255	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
256		302
257	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
258		304
259	=cut	305	=cut
260		306
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		308
263	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
265		325
266	=item cf::lock_wait $string	326	=item cf::lock_wait $string
267		327
268	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
269		329
…		…
272	Wait until the given lock is available and then acquires it and returns	332	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,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
275	returned.	335	returned.
276		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
277	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
279		342
280	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
281		344
282	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
283		346
284	=cut	347	=cut
285		348
286	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
287		351
288	sub lock_wait($) {	352	sub lock_wait($) {
289	my ($key) = @_;	353	my ($key) = @_;
290		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
291	# wait for lock, if any	360	# wait for lock, if any
292	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
293	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	364	Coro::schedule;
295	}	365	}
296	}	366	}
297		367
…		…
300		370
301	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
302	lock_wait $key;	372	lock_wait $key;
303		373
304	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
305		376
306	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
309	}	381	}
310	}	382	}
311		383
…		…
314		386
315	! ! $LOCK{$key}	387	! ! $LOCK{$key}
316	}	388	}
317		389
318	sub freeze_mainloop {	390	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
320		392
321	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
322	$TICK_WATCHER->start;	394	}
323	};	395
324	$TICK_WATCHER->stop;	396	=item cf::periodic $interval, $cb
325	$guard	397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
326	}	409	}
327		410
328	=item cf::get_slot $time[, $priority[, $name]]	411	=item cf::get_slot $time[, $priority[, $name]]
329		412
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	424	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	425	our $SLOT_QUEUE;
343		426
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
346	my $signal = new Coro::Signal;	431	my $signal = new Coro::Signal;
347		432
348	while () {	433	while () {
349	next_job:	434	next_job:
350	my $avail = cf::till_tick;	435	my $avail = cf::till_tick;
…		…
358	}	443	}
359	}	444	}
360	}	445	}
361		446
362	if (@SLOT_QUEUE) {	447	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	449	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	450	$signal->wait;
366	} else {	451	} else {
367	Coro::schedule;	452	Coro::schedule;
368	}	453	}
369	}	454	}
370	};	455	};
371		456
372	sub get_slot($;$$) {	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
373	my ($time, $pri, $name) = @_;	460	my ($time, $pri, $name) = @_;
374		461
375	$time = $TICK * .6 if $time > $TICK * .6;	462	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	463	my $sig = new Coro::Signal;
377		464
…		…
391		478
392	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
393		480
394	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
395		482
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	484	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	486	acceptable.
400		487
401	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		494
408	sub sync_job(&) {	495	sub sync_job(&) {
409	my ($job) = @_;	496	my ($job) = @_;
410		497
411	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	499	my $time = EV::time;
413		500
414	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
416		503
417	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	505
419	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
420		507
421	my $busy = 1;	508	my $busy = 1;
422	my @res;	509	my @res;
423		510
424	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	513	@res = eval { $job->() };
426	warn $@ if $@;	514	warn $@ if $@;
427	undef $busy;	515	undef $busy;
428	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
429		517
430	while ($busy) {	518	while ($busy) {
431	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
432	}	523	}
		524	}
433		525
434	$time = Event::time - $time;	526	my $time = EV::time - $time;
435		527
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
440		529
441	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
442	} else {	531	} else {
443	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
444		533
…		…
469	=item fork_call { }, $args	558	=item fork_call { }, $args
470		559
471	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
475		564
476	=cut	565	=cut
477		566
478	sub fork_call(&@) {	567	sub fork_call(&@) {
479	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
480		569
481	# we seemingly have to make a local copy of the whole thing,	570	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	571	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	572	# TODO: investigate and fix (likely this will be rather laborious)
484		573
485	my @res = Coro::Util::fork_eval {	574	my @res = Coro::Util::fork_eval {
486	reset_signals;	575	reset_signals;
487	&$cb	576	&$cb
488	}, @args;	577	}, @args;
489		578
490	wantarray ? @res : $res[-1]	579	wantarray ? @res : $res[-1]
491	}	580	}
492		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
493	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
494		610
495	Returns a single value from the environment database.	611	Returns a single value from the environment database.
496		612
497	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
498		614
499	Stores the given C<$value> in the family. It can currently store binary	615	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
502	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
503		641
504	our $DB;	642	our $DB;
505		643
506	sub db_init {	644	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	645	cf::sync_job {
511	eval {	646	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	647	};
521	}	648	}
522		649
523	sub db_get($$) {	650	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
525		652
…		…
575	if (1) {	702	if (1) {
576	$md5 =	703	$md5 =
577	join "\x00",	704	join "\x00",
578	$processversion,	705	$processversion,
579	map {	706	map {
580	Coro::cede;	707	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	709	} 0.. $#$src;
583		710
584		711
585	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		750
624	#############################################################################	751	#############################################################################
625		752
626	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
627		754
628	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
631		758
632	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	761	Deliantra).
635		762
636	=over 4	763	=over 4
637		764
638	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
639		766
…		…
683	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
684		811
685	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
687		814
688	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
690		817
691	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
692		819
693	=over 4	820	=over 4
…		…
921	}	1048	}
922		1049
923	0	1050	0
924	}	1051	}
925		1052
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1054
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1056
930	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
931		1058
…		…
937		1064
938	=cut	1065	=cut
939		1066
940	#############################################################################	1067	#############################################################################
941	# object support	1068	# object support
942	#
943		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
944	sub _can_merge {	1103	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1104	my ($ob1, $ob2) = @_;
946		1105
947	local $Storable::canonical = 1;	1106	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1107
951	$fob1 eq $fob2	1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
952	}	1110	}
953		1111
954	sub reattach {	1112	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1114	my ($obj) = @_;
957		1115
		1116	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1118
960	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
961		1120
962	@$registry = ();	1121	@$registry = ();
963		1122
…		…
978	cf::attachable->attach (	1137	cf::attachable->attach (
979	prio => -1000000,	1138	prio => -1000000,
980	on_instantiate => sub {	1139	on_instantiate => sub {
981	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
982		1141
983	$data = from_json $data;	1142	$data = decode_json $data;
984		1143
985	for (@$data) {	1144	for (@$data) {
986	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
987		1146
988	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1163	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
1006		1165
1007	sync_job {	1166	sync_job {
1008	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
1011		1171
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1176	aio_close $fh;
1017		1177
1018	if (@$objs) {	1178	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1184	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1186	}
1027	} else {	1187	} else {
1028	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1029	}	1189	}
…		…
1034	}	1194	}
1035	} else {	1195	} else {
1036	aio_unlink $filename;	1196	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1038	}	1198	}
1039	}	1199	};
1040	}	1200	}
1041		1201
1042	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1044		1204
…		…
1056	or return;	1216	or return;
1057		1217
1058	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1220	or return;
		1221
1061	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1062	}	1224	}
1063		1225
		1226	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1066	return ($data, $av);	1230	($data, $av)
1067	}	1231	}
1068		1232
1069	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1070		1234
1071	=over 4	1235	=over 4
…		…
1194		1358
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1361
1198	$ext{source} =	1362	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1200	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1201	. $source	1365	. $source
1202	. "\n};\n1";	1366	. "\n};\n1";
1203		1367
1204	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1222		1386
1223	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1388	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1390	}
1228		1391
1229	warn $msg;	1392	warn $msg;
1230	}	1393	}
1231		1394
…		…
1245		1408
1246	=back	1409	=back
1247		1410
1248	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1249		1412
1250	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1251		1414
1252	=cut	1415	=cut
1253		1416
1254	package cf::player;	1417	package cf::player;
1255		1418
1256	use Coro::AIO;	1419	use Coro::AIO;
1257		1420
1258	=head3 cf::player	1421	=head3 cf::player
1259		1422
1260	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1261		1438
1262	=item cf::player::find $login	1439	=item cf::player::find $login
1263		1440
1264	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1265		1442
…		…
1284		1461
1285	sub exists($) {	1462	sub exists($) {
1286	my ($login) = @_;	1463	my ($login) = @_;
1287		1464
1288	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1290	}	1467	}
1291		1468
1292	sub find($) {	1469	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1471	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1482
1306	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1309	}	1492	}
1310	}	1493	}
1311	}	1494	}
1312		1495
…		…
1321	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1322		1505
1323	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1325		1508
		1509	cf::get_slot 0.01;
		1510
1326	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1327	Coro::cede;	1512	cf::cede_to_tick;
1328	}	1513	}
1329		1514
1330	sub new($) {	1515	sub new($) {
1331	my ($login) = @_;	1516	my ($login) = @_;
1332		1517
…		…
1361	my ($pl) = @_;	1546	my ($pl) = @_;
1362		1547
1363	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1364		1549
1365	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1552
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1369	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1371	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1372		1559
1373	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1410	or return [];	1597	or return [];
1411		1598
1412	my @logins;	1599	my @logins;
1413		1600
1414	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1418		1611
1419	utf8::decode $login;	1612	utf8::decode $login;
1420	push @logins, $login;	1613	push @logins, $login;
1421	}	1614	}
1422		1615
…		…
1449	}	1642	}
1450		1643
1451	\@paths	1644	\@paths
1452	}	1645	}
1453		1646
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1648
1456	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1650
1504	=item $player->ext_reply ($msgid, @msg)	1651	=item $player->ext_reply ($msgid, @msg)
1505		1652
1506	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1507		1654
…		…
1574	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1576		1723
1577	sub generate_random_map {	1724	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1579	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1730	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1705		1855
1706	# the temporary/swap location	1856	# the temporary/swap location
1707	sub save_path {	1857	sub save_path {
1708	my ($self) = @_;	1858	my ($self) = @_;
1709		1859
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1712	}	1862	}
1713		1863
1714	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1715	sub uniq_path {	1865	sub uniq_path {
1716	my ($self) = @_;	1866	my ($self) = @_;
1717		1867
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1720	}	1870	}
1721		1871
1722	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1723	# all maps in C++...	1873	# all maps in C++...
…		…
1746		1896
1747	sub load_header_from($) {	1897	sub load_header_from($) {
1748	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1749		1899
1750	utf8::encode $path;	1900	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1756		1909
1757	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1758		1911
1759	1	1912	1
1760	}	1913	}
…		…
1814	sub find {	1967	sub find {
1815	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1816		1969
1817	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1818		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1820		1974
1821	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1822	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1823	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1824	or return;	1980	or return;
1825		1981
1826	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1827		1983
…		…
1829	or return;	1985	or return;
1830		1986
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1834	$map->reset;	1992	$map->reset;
1835	undef $guard;
1836	return find $path;	1993	return find $path;
1837	}	1994	}
1838		1995
1839	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1840	}	1997	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1850		2007
1851	my $path = $self->{path};	2008	my $path = $self->{path};
1852		2009
1853	{	2010	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1855		2012
		2013	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2015
1858	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1859		2017
1860	$self->alloc;	2018	$self->alloc;
1861		2019
1862	$self->pre_load;	2020	$self->pre_load;
1863	Coro::cede;	2021	cf::cede_to_tick;
1864		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1866	or return;	2026	or return;
1867		2027
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1869	if delete $self->{load_original};	2029	if delete $self->{load_original};
1870		2030
1871	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2032	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2035	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1876	}	2039	}
1877	}	2040	}
1878		2041
1879	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1880	# now do the right thing for maps	2045	# now do the right thing for maps
1881	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2048	unless $self->difficulty;
1884	Coro::cede;	2049	cf::cede_to_tick;
1885		2050
1886	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2052	$self->decay_objects;
1888	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1889	$self->update_buttons;	2054	$self->update_buttons;
1890	Coro::cede;	2055	cf::cede_to_tick;
1891	$self->set_darkness_map;	2056	$self->set_darkness_map;
1892	Coro::cede;	2057	cf::cede_to_tick;
1893	$self->activate;	2058	$self->activate;
1894	}	2059	}
1895		2060
1896	$self->{last_save} = $cf::RUNTIME;	2061	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2062	$self->last_access ($cf::RUNTIME);
1898		2063
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2065	}
1901		2066
1902	$self->post_load;	2067	$self->post_load;
1903	}	2068	}
1904		2069
…		…
1962	my ($path, $origin, $load) = @_;	2127	my ($path, $origin, $load) = @_;
1963		2128
1964	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1965		2130
1966	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2133	}
1969		2134
1970	$MAP_PREFETCH{$path} |= $load;	2135	$MAP_PREFETCH{$path} |= $load;
1971		2136
1972	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1973	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2142	if (my $map = find $k) {
1976	$map->load if $v;	2143	$map->load if $v;
1977	}	2144	}
…		…
1987	}	2154	}
1988		2155
1989	sub save {	2156	sub save {
1990	my ($self) = @_;	2157	my ($self) = @_;
1991		2158
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2160
1994	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1995		2162
1996	return unless $self->dirty;	2163	return unless $self->dirty;
1997		2164
…		…
2003	return if $self->{deny_save};	2170	return if $self->{deny_save};
2004		2171
2005	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
2006		2173
2007	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
2009	};	2177	};
		2178
		2179	cf::get_slot 0.02;
2010		2180
2011	if ($uniq) {	2181	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2184	} else {
…		…
2020	my ($self) = @_;	2190	my ($self) = @_;
2021		2191
2022	# save first because save cedes	2192	# save first because save cedes
2023	$self->save;	2193	$self->save;
2024		2194
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2196
2027	return if $self->players;	2197	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
2029	return if $self->{deny_save};	2199	return if $self->{deny_save};
2030		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
2031	$self->clear;	2205	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2206	}
2034		2207
2035	sub reset_at {	2208	sub reset_at {
2036	my ($self) = @_;	2209	my ($self) = @_;
2037		2210
…		…
2069	if $uniq;	2242	if $uniq;
2070	}	2243	}
2071		2244
2072	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
2073		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2249	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2250
2078	$self->unlink_save;	2251	$self->unlink_save;
2079	$self->destroy;	2252	$self->destroy;
2080	}	2253	}
2081		2254
2082	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
2083		2256
2084	sub nuke {	2257	sub nuke {
2085	my ($self) = @_;	2258	my ($self) = @_;
2086		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
2087	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
2088		2264
2089	$self->unlink_save;	2265	$self->unlink_save;
2090		2266
2091	bless $self, "cf::map";	2267	bless $self, "cf::map";
2092	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2272
2097	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
2098		2275
2099	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
2100	}	2277	}
2101		2278
2102	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
…		…
2144		2321
2145	sub unique_maps() {	2322	sub unique_maps() {
2146	[	2323	[
2147	map {	2324	map {
2148	utf8::decode $_;	2325	utf8::decode $_;
2149	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2150	? normalise $_	2329	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2331	]
2154	}	2332	}
2155		2333
2156	package cf;
2157
2158	=back	2334	=back
2159		2335
2160	=head3 cf::object	2336	=head3 cf::object
2161		2337
2162	=cut	2338	=cut
…		…
2165		2341
2166	=over 4	2342	=over 4
2167		2343
2168	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2169		2345
2170	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
2171		2348
2172	=cut	2349	=cut
2173		2350
2174	sub inv_recursive_;	2351	sub inv_recursive_;
2175	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2178		2355
2179	sub inv_recursive {	2356	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2181	}	2358	}
2182		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
2183	package cf;	2388	package cf;
2184		2389
2185	=back	2390	=back
2186		2391
2187	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2196		2401
2197	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
2198		2417
2199	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2419	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2435
2217	} else {	2436	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2439	}
2221	}	2440	}
2222	}	2441	}
2223		2442
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2468
2250	=item $player_object->enter_link	2469	=item $player_object->enter_link
2251		2470
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2472
2254	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
2256		2477
2257	Will never block.	2478	Will never block.
2258		2479
2259	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2260		2481
…		…
2318		2539
2319	$map->load;	2540	$map->load;
2320	$map->load_neighbours;	2541	$map->load_neighbours;
2321		2542
2322	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2323	$self->activate_recursive;	2545	$self->activate_recursive;
2324		2546
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2327	}	2549	}
…		…
2332	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2555	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2556	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2557	be called at the end of this process.
2336		2558
		2559	Note that $check will be called with a potentially non-loaded map, so if
		2560	it needs a loaded map it has to call C<< ->load >>.
		2561
2337	=cut	2562	=cut
2338		2563
2339	our $GOTOGEN;	2564	our $GOTOGEN;
2340		2565
2341	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
…		…
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2571
2347	$self->enter_link;	2572	$self->enter_link;
2348		2573
2349	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
2350	my $map = eval {	2596	my $map = eval {
2351	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2352		2598
2353	if ($map) {	2599	if ($map) {
2354	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2356	} else {	2602	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2604	}
2359		2605
2360	$map	2606	$map
2361	};	2607	};
2362		2608
…		…
2398	}	2644	}
2399		2645
2400	sub prepare_random_map {	2646	sub prepare_random_map {
2401	my ($exit) = @_;	2647	my ($exit) = @_;
2402		2648
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2651	# that depends on the exit object
2408		2652
2409	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2655	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2416	}	2662	}
2417		2663
2418	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2419		2665
2420	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2423		2669
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2672	undef $fh;
2427	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2428		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2431	}	2681	}
2432	}	2682	}
2433		2683
2434	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2436		2686
2437	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2438		2688
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2689	$self->enter_link;
2451		2690
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2691	(async {
2457	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2458	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2459	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2460		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2461	1;	2715	1
2462	}) {	2716	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2721
2468	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2498		2752
2499	=cut	2753	=cut
2500		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
2501	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2503		2821
2504	$msg = $self->pl->expand_cfpod ($msg);	2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
2505		2824
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
2508	if (ref $channel) {	2836	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	2837	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	2838	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	2839	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
2513	}	2842	}
2514		2843
2515	$channel = $channel->{id};	2844	$channel = $channel->{id};
2516	}	2845	}
2517		2846
…		…
2520	if ($self->can_msg) {	2849	if ($self->can_msg) {
2521	# default colour, mask it out	2850	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	2852	if $color & cf::NDI_DEF;
2524		2853
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
2527	} else {	2870	} else {
2528	if ($color >= 0) {	2871	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones	2872	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {	2873	for ($msg) {
2531	1 while	2874	1 while
…		…
2729	=pod	3072	=pod
2730		3073
2731	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2732		3075
2733	cf::object	3076	cf::object
2734	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2735	insert remove name archname title slaying race decrease_ob_nr	3078	insert remove name archname title slaying race decrease split
2736		3079
2737	cf::object::player	3080	cf::object::player
2738	player	3081	player
2739		3082
2740	cf::player	3083	cf::player
…		…
2745		3088
2746	=cut	3089	=cut
2747		3090
2748	for (	3091	for (
2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750	insert remove inv name archname title slaying race	3093	insert remove inv nrof name archname title slaying race
2751	decrease_ob_nr)],	3094	decrease split destroy change_exp)],
2752	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2753	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2754	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2755	) {	3098	) {
2756	no strict 'refs';	3099	no strict 'refs';
…		…
2832	# the server's init and main functions	3175	# the server's init and main functions
2833		3176
2834	sub load_facedata($) {	3177	sub load_facedata($) {
2835	my ($path) = @_;	3178	my ($path) = @_;
2836		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
2837	my $enc = JSON::XS->new->utf8->canonical;	3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838		3185
2839	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2840		3187
2841	my $facedata;	3188	my $facedata;
2842	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2857	{	3204	{
2858	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2859		3206
2860	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2862	cf::face::set_visibility $idx, $info->{visibility};	3210	cf::face::set_visibility $idx, $info->{visibility};
2863	cf::face::set_magicmap $idx, $info->{magicmap};	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2866		3214
2867	cf::cede_to_tick;	3215	cf::cede_to_tick;
2868	}	3216	}
2869		3217
2870	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2871	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2872	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2873	or next;	3222	or next;
		3223
2874	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
2875	cf::face::set_smooth $idx, $smooth;	3225	cf::face::set_smooth $idx, $smooth;
2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877	} else {	3227	} else {
2878	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2896	{	3246	{
2897	# TODO: for gcfclient pleasure, we should give resources	3247	# TODO: for gcfclient pleasure, we should give resources
2898	# that gcfclient doesn't grok a >10000 face index.	3248	# that gcfclient doesn't grok a >10000 face index.
2899	my $res = $facedata->{resource};	3249	my $res = $facedata->{resource};
2900		3250
2901	my $soundconf = delete $res->{"res/sound.conf"};
2902
2903	while (my ($name, $info) = each %$res) {	3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905	my $data;	3254	my $data;
2906		3255
2907	if ($info->{type} & 1) {	3256	if ($info->{type} & 1) {
2908	# prepend meta info	3257	# prepend meta info
2909		3258
2910	my $meta = $enc->encode ({	3259	my $meta = $enc->encode ({
2911	name => $name,	3260	name => $name,
2912	%{ $info->{meta} || {} },	3261	%{ $info->{meta} || {} },
2913	});	3262	});
2914		3263
2915	$data = pack "(w/a*)*", $meta, $info->{data};	3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
2916	} else {	3271	} else {
2917	$data = $info->{data};	3272	$RESOURCE{$name} = $info;
2918	}	3273	}
2919		3274
2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921	cf::face::set_type $idx, $info->{type};
2922
2923	cf::cede_to_tick;	3275	cf::cede_to_tick;
2924	}	3276	}
2925
2926	if ($soundconf) {
2927	$soundconf = $enc->decode (delete $soundconf->{data});
2928
2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930	my $sound = $soundconf->{compat}[$_]
2931	or next;
2932
2933	my $face = cf::face::find "sound/$sound->[1]";
2934	cf::sound::set $sound->[0] => $face;
2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936	}
2937
2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
2939	my $face = cf::face::find "sound/$v";
2940	cf::sound::set $k => $face;
2941	}
2942	}
2943	}	3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944		3280
2945	1	3281	1
2946	}	3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
2947		3303
2948	register_exticmd fx_want => sub {	3304	register_exticmd fx_want => sub {
2949	my ($ns, $want) = @_;	3305	my ($ns, $want) = @_;
2950		3306
2951	while (my ($k, $v) = each %$want) {	3307	while (my ($k, $v) = each %$want) {
2952	$ns->fx_want ($k, $v);	3308	$ns->fx_want ($k, $v);
2953	}	3309	}
2954	};	3310	};
2955		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2956	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2957	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2958	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
2959		3329
2960	for (cf::region::list) {	3330	for (cf::region::list) {
2961	$_->{match} = qr/$_->{match}/	3331	$_->{match} = qr/$_->{match}/
…		…
2969	}	3339	}
2970		3340
2971	sub reload_archetypes {	3341	sub reload_archetypes {
2972	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2973	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
2974	#d# NEED to laod twice to resolve forward references
2975	# this really needs to be done in an extra post-pass
2976	# (which needs to be synchronous, so solve it differently)
2977	load_resource_file "$DATADIR/archetypes"
2978	or die "unable to load archetypes\n";
2979	}	3344	}
2980		3345
2981	sub reload_treasures {	3346	sub reload_treasures {
2982	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2983	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2984	}	3349	}
2985		3350
2986	sub reload_resources {	3351	sub reload_resources {
2987	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2988		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2989	reload_regions;	3356	reload_regions;
2990	reload_facedata;
2991	#reload_archetypes;#d#
2992	reload_archetypes;
2993	reload_treasures;	3357	reload_treasures;
2994		3358
2995	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2996	}	3360	}
2997		3361
2998	sub init {	3362	sub reload_config {
2999	reload_resources;
3000	}
3001
3002	sub cfg_load {
3003	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
3004	or return;	3364	or return;
3005		3365
3006	local $/;	3366	local $/;
3007	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
3008		3368
3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3010		3370
3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3018	};	3378	};
3019	warn $@ if $@;	3379	warn $@ if $@;
3020	}	3380	}
3021	}	3381	}
3022		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
3023	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
3024	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
3025	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027	(async {	3421	(async {
3028	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
3029	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
3030	};	3425	};
3031		3426
3032	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
3033	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
3034	load_extensions;	3445	load_extensions;
3035		3446
3036	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
3037	Event::loop;	3455	EV::loop;
3038	}	3456	}
3039		3457
3040	#############################################################################	3458	#############################################################################
3041	# initialisation and cleanup	3459	# initialisation and cleanup
3042		3460
3043	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
3044	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
3045	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
3046	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3047	reentrant => 0,
3048	data => WF_AUTOCANCEL,
3049	signal => $signal,
3050	prio => 0,
3051	cb => sub {
3052	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
3053	},
3054	);	3467	};
3055	}	3468	}
3056	}	3469	}
3057		3470
3058	sub write_runtime {	3471	sub write_runtime_sync {
3059	my $runtime = "$LOCALDIR/runtime";
3060
3061	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
3062	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
3063		3474
3064	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3065		3476
3066	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
3067		3478
3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3069	or return;	3480	or return;
3070		3481
3071	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
3072	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
3073	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
3083	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
3084		3495
3085	close $fh	3496	close $fh
3086	or return;	3497	or return;
3087		3498
3088	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3089	and return;	3500	and return;
3090		3501
3091	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
3092		3503
3093	1	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
3094	}	3555	}
3095		3556
3096	sub emergency_save() {	3557	sub emergency_save() {
3097	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
3098		3559
…		…
3104	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
3105	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
3106	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
3107	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
3108	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109	$pl->save;	3571	$pl->save;
3110	}	3572	}
3111	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
3112		3574
3113	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
3119	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
3120		3582
3121	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
3123	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
3124	};	3590	};
3125		3591
3126	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
3127	}	3593	}
3128		3594
3129	sub post_cleanup {	3595	sub post_cleanup {
3130	my ($make_core) = @_;	3596	my ($make_core) = @_;
3131		3597
3132	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3133	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
3134	}	3629	}
3135		3630
3136	sub do_reload_perl() {	3631	sub do_reload_perl() {
3137	# can/must only be called in main	3632	# can/must only be called in main
3138	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3139	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3140	return;	3635	return;
3141	}	3636	}
3142		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
3143	warn "reloading...";	3641	warn "reloading...";
3144		3642
3145	warn "entering sync_job";	3643	warn "entering sync_job";
3146		3644
3147	cf::sync_job {	3645	cf::sync_job {
3148	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
3149	cf::emergency_save;	3647	cf::emergency_save;
3150	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3151		3649
3152	warn "syncing database to disk";	3650	warn "syncing database to disk";
3153	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
3154		3652
3155	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
3156		3654
3157	warn "cancelling all WF_AUTOCANCEL watchers";
3158	for (Event::all_watchers) {
3159	$_->cancel if $_->data & WF_AUTOCANCEL;
3160	}
3161
3162	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
3163	for (;;) {
3164	BDB::flush;
3165	IO::AIO::flush;
3166	Coro::cede;
3167	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
3168	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3169	}
3170
3171	++$RELOAD;
3172
3173	warn "cancelling all extension coros";
3174	$_->cancel for values %EXT_CORO;
3175	%EXT_CORO = ();
3176
3177	warn "removing commands";
3178	%COMMAND = ();
3179
3180	warn "removing ext/exti commands";
3181	%EXTCMD = ();
3182	%EXTICMD = ();
3183
3184	warn "unloading/nuking all extensions";
3185	for my $pkg (@EXTS) {
3186	warn "... unloading $pkg";
3187
3188	if (my $cb = $pkg->can ("unload")) {
3189	eval {
3190	$cb->($pkg);
3191	1
3192	} or warn "$pkg unloaded, but with errors: $@";
3193	}	3658	}
3194		3659
3195	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
3196	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
3197	}	3662	%EXT_CORO = ();
3198		3663
3199	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
3200	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3202		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
3203	warn "... unloading $k";	3673	warn "... unloading $pkg";
3204	delete $INC{$k};
3205		3674
3206	$k =~ s/\.pm$//;
3207	$k =~ s/\//::/g;
3208
3209	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3210	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3211	}	3684	}
3212		3685
3213	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
3214	}	3701	}
3215		3702
3216	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3217	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3219		3706
3220	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3221	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3222	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3223		3710
3224	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3225	# and global variables created in xs	3712	# and global variables created in xs
3226	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3227		3714
3228	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3229		3716
3230	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3231	require cf;	3718	require cf;
3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3233		3720
3234	warn "loading config and database again";	3721	warn "loading config and database again";
3235	cf::cfg_load;	3722	cf::reload_config;
3236		3723
3237	warn "loading extensions";	3724	warn "loading extensions";
3238	cf::load_extensions;	3725	cf::load_extensions;
3239		3726
3240	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3241	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3242	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3243	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3244	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3245	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3246		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3247	warn "leaving sync_job";	3737	warn "leaving sync_job";
3248		3738
3249	1	3739	1
3250	} or do {	3740	} or do {
3251	warn $@;	3741	warn $@;
3252	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3253	exit 1;
3254	};	3743	};
3255		3744
3256	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3257	};	3748	};
3258		3749
3259	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3260		3751
3261	sub reload_perl() {	3752	sub reload_perl() {
3262	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3263	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3264		3755
3265	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3266	reentrant => 0,
3267	after => 0,
3268	data => WF_AUTOCANCEL,
3269	cb => sub {
3270	do_reload_perl;	3757	do_reload_perl;
3271	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3272	},
3273	);	3759	};
3274	}	3760	}
3275		3761
3276	register_command "reload" => sub {	3762	register_command "reload" => sub {
3277	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3278		3764
3279	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3280	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3281	async { reload_perl };	3769	reload_perl;
		3770	};
3282	}	3771	}
3283	};	3772	};
3284		3773
3285	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3286		3775
…		…
3288		3777
3289	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3290	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3291		3780
3292	sub wait_for_tick {	3781	sub wait_for_tick {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3295		3783
3296	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3298	$signal->wait;	3786	$signal->wait;
3299	}	3787	}
3300		3788
3301	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3302	return unless $TICK_WATCHER->is_active;
3303	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3304		3791
3305	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3306	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3307	$signal->wait;	3794	$signal->wait;
3308	}	3795	}
3309		3796
3310	my $min = 1e6;#d#	3797	sub tick {
3311	my $avg = 10;
3312	$TICK_WATCHER = Event->timer (
3313	reentrant => 0,
3314	parked => 1,
3315	prio => 0,
3316	at => $NEXT_TICK || $TICK,
3317	data => WF_AUTOCANCEL,
3318	cb => sub {
3319	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3322	return;	3801	return;
3323	}	3802	}
3324		3803
3325	$NOW = $tick_start = Event::time;
3326
3327	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3328		3805
3329	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3330	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3331	my $t = Event::time;	3808	Coro::async_pool {
3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3333	or die;	3810	write_runtime_sync
3334		3811	or warn "ERROR: unable to write runtime file: $!";
3335	$map->width (50);
3336	$map->height (50);
3337	$map->alloc;
3338	$map->_load_objects ("/tmp/x.map", 1);
3339	my $t = Event::time - $t;
3340
3341	#next unless $t < 0.0013;#d#
3342	if ($t < $min) {
3343	$min = $t;
3344	}
3345	$avg = $avg * 0.99 + $t * 0.01;
3346	}
3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348	exit 0;
3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350	};	3812	};
		3813	}
3351		3814
3352	$RUNTIME += $TICK;
3353	$NEXT_TICK += $TICK;
3354
3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
3357	Coro::async_pool {
3358	write_runtime
3359	or warn "ERROR: unable to write runtime file: $!";
3360	};
3361	}
3362
3363	# my $AFTER = Event::time;
3364	# warn $AFTER - $NOW;#d#
3365
3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367	$sig->send;	3816	$sig->send;
3368	}	3817	}
3369	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3370	$sig->send;	3819	$sig->send;
3371	}	3820	}
3372		3821
3373	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375	# if we are delayed by four ticks or more, skip them all
3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378	$TICK_WATCHER->at ($NEXT_TICK);
3379	$TICK_WATCHER->start;
3380
3381	$LOAD = ($NOW - $tick_start) / $TICK;
3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383		3824
3384	_post_tick;	3825	if (0) {
3385		3826	if ($NEXT_TICK) {
3386		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3387	},	3831	}
3388	);	3832	}
3389		3833
3390	{	3834	{
3391	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3392	$BDB_POLL_WATCHER = Event->io (	3836
3393	reentrant => 0,
3394	fd => BDB::poll_fileno,
3395	poll => 'r',
3396	prio => 0,
3397	data => WF_AUTOCANCEL,
3398	cb => \&BDB::poll_cb,
3399	);
3400	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
3401		3838	BDB::max_poll_reqs $TICK * 0.1;
3402	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
3403	my $status;
3404	my $current = $Coro::current;
3405	(
3406	sub {
3407	$status = $!;
3408	$current->ready; undef $current;
3409	},
3410	sub {
3411	Coro::schedule while defined $current;
3412	$! = $status;
3413	},
3414	)
3415	};
3416		3840
3417	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3418	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419		3848
3420	cf::sync_job {	3849	cf::sync_job {
3421	eval {	3850	eval {
3422	BDB::db_env_open	3851	BDB::db_env_open
3423	$DB_ENV,	3852	$DB_ENV,
…		…
3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427	0666;	3856	0666;
3428		3857
3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432	$DB_ENV->set_lk_detect;
3433	};	3859	};
3434		3860
3435	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3436	};	3862	};
3437	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
3438	}	3874	}
3439		3875
3440	{	3876	{
		3877	# configure IO::AIO
		3878
3441	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3442
3443	undef $Coro::AIO::WATCHER;
3444	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3445	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3446	reentrant => 0,
3447	data => WF_AUTOCANCEL,
3448	fd => IO::AIO::poll_fileno,
3449	poll => 'r',
3450	prio => 6,
3451	cb => \&IO::AIO::poll_cb,
3452	);
3453	}	3882	}
3454		3883
3455	my $_log_backtrace;	3884	my $_log_backtrace;
3456		3885
3457	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3460	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3461		3890
3462	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3463	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3464	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3465	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3466	my @bt = fork_call {	3898	my @bt = fork_call {
3467	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3478	}	3910	}
3479		3911
3480	@funcs	3912	@funcs
3481	};	3913	};
3482		3914
3483	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3484	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3485	--$_log_backtrace;	3918	--$_log_backtrace;
3486	};	3919	};
3487	} else {	3920	} else {
3488	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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