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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 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 qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	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		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
86		118
87	our %CFG;	119	our %CFG;
88		120
89	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
91		124
92	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
95		128
96	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		131
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		140
103	binmode STDOUT;	141	binmode STDOUT;
104	binmode STDERR;	142	binmode STDERR;
105		143
106	# read virtual server time, if available	144	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
111	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
112		152
113	mkdir $_	153	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		155
116	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
159		199
160	The raw value load value from the last tick.	200	The raw value load value from the last tick.
161		201
162	=item %cf::CFG	202	=item %cf::CFG
163		203
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	205	from wherever your confdir points to.
166		206
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		208
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	227	$msg .= "\n"
188	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
189		229
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		231
192	utf8::encode $msg;
193	LOG llevError, $msg;	232	LOG llevError, $msg;
194	};	233	};
195	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
196		250
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	261	for my $pkg (qw(
208	cf::global cf::attachable	262	cf::global cf::attachable
209	cf::object cf::object::player	263	cf::object cf::object::player
210	cf::client cf::player	264	cf::client cf::player
211	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
212	cf::map cf::party cf::region	267	cf::party cf::region
213	)) {	268	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	270	}
217		271
218	$Event::DIED = sub {	272	$EV::DIED = sub {
219	warn "error in event callback: @_";	273	warn "error in event callback: @_";
220	};	274	};
221		275
222	#############################################################################	276	#############################################################################
223		277
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	301	$d
248	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
249	}	303	}
250		304
251	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
252		306
253	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
254		308
255	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
256		310
257	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
258		312
259	=cut	313	=cut
260		314
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		316
263	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
265		333
266	=item cf::lock_wait $string	334	=item cf::lock_wait $string
267		335
268	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
269		337
270	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
271		339
272	Wait until the given lock is available and then acquires it and returns	340	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,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
275	returned.	343	returned.
276		344
277	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	346	deadlocked coro.
…		…
284		352
285	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
286		354
287	=cut	355	=cut
288		356
289	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
290		358
291	sub lock_wait($) {	359	sub lock_wait($) {
292	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	361	}
300		362
301	sub lock_acquire($) {	363	sub lock_acquire($) {
302	my ($key) = @_;	364	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	365	}
314		366
315	sub lock_active($) {	367	sub lock_active($) {
316	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	369	}
320		370
321	sub freeze_mainloop {	371	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
323		373
324	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	375	}
326	};	376
327	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
328	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
329	}	390	}
330		391
331	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
332		393
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	405	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	406	our $SLOT_QUEUE;
346		407
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
349	my $signal = new Coro::Signal;	412	my $signal = new Coro::Signal;
350		413
351	while () {	414	while () {
352	next_job:	415	next_job:
353	my $avail = cf::till_tick;	416	my $avail = cf::till_tick;
…		…
361	}	424	}
362	}	425	}
363	}	426	}
364		427
365	if (@SLOT_QUEUE) {	428	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	430	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	431	$signal->wait;
369	} else {	432	} else {
370	Coro::schedule;	433	Coro::schedule;
371	}	434	}
372	}	435	}
373	};	436	};
374		437
375	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
376	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
377		442
378	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
380		445
…		…
394		459
395	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
396		461
397	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
398		463
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	467	acceptable.
403		468
404	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		475
411	sub sync_job(&) {	476	sub sync_job(&) {
412	my ($job) = @_;	477	my ($job) = @_;
413		478
414	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	480	my $time = EV::time;
416		481
417	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
419		484
420	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	486
422	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
423		488
424	my $busy = 1;	489	my $busy = 1;
425	my @res;	490	my @res;
426		491
427	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	494	@res = eval { $job->() };
429	warn $@ if $@;	495	warn $@ if $@;
430	undef $busy;	496	undef $busy;
431	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
432		498
433	while ($busy) {	499	while ($busy) {
434	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
435	}	504	}
		505	}
436		506
437	$time = Event::time - $time;	507	my $time = EV::time - $time;
438		508
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
443		510
444	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
445	} else {	512	} else {
446	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
447		514
…		…
472	=item fork_call { }, $args	539	=item fork_call { }, $args
473		540
474	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
478		545
479	=cut	546	=cut
480		547
481	sub fork_call(&@) {	548	sub fork_call(&@) {
482	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
483		550
484	# we seemingly have to make a local copy of the whole thing,	551	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	552	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	553	# TODO: investigate and fix (likely this will be rather laborious)
487		554
488	my @res = Coro::Util::fork_eval {	555	my @res = Coro::Util::fork_eval {
489	reset_signals;	556	reset_signals;
490	&$cb	557	&$cb
491	}, @args;	558	}, @args;
492		559
493	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
494	}	561	}
495		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
496	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
497		591
498	Returns a single value from the environment database.	592	Returns a single value from the environment database.
499		593
500	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
501		595
502	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
505	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
506		622
507	our $DB;	623	our $DB;
508		624
509	sub db_init {	625	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	626	cf::sync_job {
514	eval {	627	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	628	};
524	}	629	}
525		630
526	sub db_get($$) {	631	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
528		633
…		…
626		731
627	#############################################################################	732	#############################################################################
628		733
629	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
630		735
631	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
634		739
635	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	742	Deliantra).
638		743
639	=over 4	744	=over 4
640		745
641	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
642		747
…		…
686	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
687		792
688	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
690		795
691	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
693		798
694	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
695		800
696	=over 4	801	=over 4
…		…
924	}	1029	}
925		1030
926	0	1031	0
927	}	1032	}
928		1033
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1035
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1037
933	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
934		1039
…		…
940		1045
941	=cut	1046	=cut
942		1047
943	#############################################################################	1048	#############################################################################
944	# object support	1049	# object support
945	#
946		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
947	sub _can_merge {	1084	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
949		1086
950	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1088
954	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
955	}	1091	}
956		1092
957	sub reattach {	1093	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1095	my ($obj) = @_;
960		1096
		1097	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1099
963	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
964		1101
965	@$registry = ();	1102	@$registry = ();
966		1103
…		…
981	cf::attachable->attach (	1118	cf::attachable->attach (
982	prio => -1000000,	1119	prio => -1000000,
983	on_instantiate => sub {	1120	on_instantiate => sub {
984	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
985		1122
986	$data = from_json $data;	1123	$data = decode_json $data;
987		1124
988	for (@$data) {	1125	for (@$data) {
989	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
990		1127
991	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1144	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
1009		1146
1010	sync_job {	1147	sync_job {
1011	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1014		1152
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1157	aio_close $fh;
1020		1158
1021	if (@$objs) {	1159	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1165	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1167	}
1030	} else {	1168	} else {
1031	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1032	}	1170	}
1033		1171
1034	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1176	} else {
1036	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1037	}	1178	}
1038	} else {	1179	} else {
1039	aio_unlink $filename;	1180	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1041	}	1182	}
1042	}	1183	};
1043	}	1184	}
1044		1185
1045	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1047		1188
…		…
1059	or return;	1200	or return;
1060		1201
1061	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1204	or return;
		1205
1064	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1065	}	1208	}
1066		1209
		1210	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1069	return ($data, $av);	1214	($data, $av)
1070	}	1215	}
1071		1216
1072	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1073		1218
1074	=over 4	1219	=over 4
…		…
1128	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1129		1274
1130	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1131	}	1276	}
1132		1277
		1278	use File::Glob ();
		1279
1133	cf::player->attach (	1280	cf::player->attach (
1134	on_command => sub {	1281	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1136		1283
1137	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1169		1316
1170	cf::override;	1317	cf::override;
1171	},	1318	},
1172	);	1319	);
1173		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1174	sub load_extensions {	1334	sub load_extensions {
1175	cf::sync_job {	1335	cf::sync_job {
1176	my %todo;	1336	my %todo;
1177		1337
1178	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1357
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1360
1201	$ext{source} =	1361	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1204	. $source	1364	. $source
1205	. "\n};\n1";	1365	. "\n};\n1";
1206		1366
1207	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1225		1385
1226	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1387	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1389	}
1231		1390
1232	warn $msg;	1391	warn $msg;
1233	}	1392	}
1234		1393
…		…
1248		1407
1249	=back	1408	=back
1250		1409
1251	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1252		1411
1253	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1254		1413
1255	=cut	1414	=cut
1256		1415
1257	package cf::player;	1416	package cf::player;
1258		1417
1259	use Coro::AIO;	1418	use Coro::AIO;
1260		1419
1261	=head3 cf::player	1420	=head3 cf::player
1262		1421
1263	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1264		1437
1265	=item cf::player::find $login	1438	=item cf::player::find $login
1266		1439
1267	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1268		1441
…		…
1287		1460
1288	sub exists($) {	1461	sub exists($) {
1289	my ($login) = @_;	1462	my ($login) = @_;
1290		1463
1291	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1293	}	1466	}
1294		1467
1295	sub find($) {	1468	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1470	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1481
1309	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1312	}	1491	}
1313	}	1492	}
1314	}	1493	}
1315		1494
…		…
1323		1502
1324	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1325		1504
1326	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
		1507
		1508	cf::get_slot 0.01;
1328		1509
1329	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1511	cf::cede_to_tick;
1331	}	1512	}
1332		1513
…		…
1364	my ($pl) = @_;	1545	my ($pl) = @_;
1365		1546
1366	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1367		1548
1368	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1551
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1375		1558
1376	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1596	or return [];
1414		1597
1415	my @logins;	1598	my @logins;
1416		1599
1417	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1421		1610
1422	utf8::decode $login;	1611	utf8::decode $login;
1423	push @logins, $login;	1612	push @logins, $login;
1424	}	1613	}
1425		1614
…		…
1452	}	1641	}
1453		1642
1454	\@paths	1643	\@paths
1455	}	1644	}
1456		1645
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1647
1459	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1649
1508	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1509		1651
1510	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1511		1653
…		…
1578	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1580		1722
1581	sub generate_random_map {	1723	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1583	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1729	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1854
1710	# the temporary/swap location	1855	# the temporary/swap location
1711	sub save_path {	1856	sub save_path {
1712	my ($self) = @_;	1857	my ($self) = @_;
1713		1858
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1716	}	1861	}
1717		1862
1718	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1719	sub uniq_path {	1864	sub uniq_path {
1720	my ($self) = @_;	1865	my ($self) = @_;
1721		1866
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	1869	}
1734		1870
1735	sub decay_objects {	1871	sub decay_objects {
1736	my ($self) = @_;	1872	my ($self) = @_;
1737		1873
…		…
1750		1886
1751	sub load_header_from($) {	1887	sub load_header_from($) {
1752	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1753		1889
1754	utf8::encode $path;	1890	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1760		1899
1761	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1762		1901
1763	1	1902	1
1764	}	1903	}
…		…
1818	sub find {	1957	sub find {
1819	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1820		1959
1821	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1822		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1824		1964
1825	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1828	or return;	1967	or return;
1829		1968
1830	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1831		1970
…		…
1833	or return;	1972	or return;
1834		1973
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1838	$map->reset;	1979	$map->reset;
1839	undef $guard;
1840	return find $path;	1980	return find $path;
1841	}	1981	}
1842		1982
1843	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1844	}	1984	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1854		1994
1855	my $path = $self->{path};	1995	my $path = $self->{path};
1856		1996
1857	{	1997	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		1999
		2000	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2002
1863	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1864		2004
1865	$self->alloc;	2005	$self->alloc;
1866		2006
1867	$self->pre_load;	2007	$self->pre_load;
1868	cf::cede_to_tick;	2008	cf::cede_to_tick;
1869		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1871	or return;	2013	or return;
1872		2014
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1874	if delete $self->{load_original};	2016	if delete $self->{load_original};
1875		2017
1876	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2019	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2022	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1881	}	2026	}
1882	}	2027	}
		2028
		2029	$f->resolve_delayed_derefs;
1883		2030
1884	cf::cede_to_tick;	2031	cf::cede_to_tick;
1885	# now do the right thing for maps	2032	# now do the right thing for maps
1886	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2039	$self->decay_objects;
1893	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1894	$self->update_buttons;	2041	$self->update_buttons;
1895	cf::cede_to_tick;	2042	cf::cede_to_tick;
1896	$self->set_darkness_map;
1897	cf::cede_to_tick;
1898	$self->activate;	2043	$self->activate;
1899	}	2044	}
1900		2045
1901	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
1903		2048
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2050	}
1906		2051
1907	$self->post_load;	2052	$self->post_load;
1908	}	2053	}
1909		2054
…		…
1967	my ($path, $origin, $load) = @_;	2112	my ($path, $origin, $load) = @_;
1968		2113
1969	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1970		2115
1971	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2118	}
1974		2119
1975	$MAP_PREFETCH{$path} |= $load;	2120	$MAP_PREFETCH{$path} |= $load;
1976		2121
1977	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1978	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2127	if (my $map = find $k) {
1981	$map->load if $v;	2128	$map->load if $v;
1982	}	2129	}
…		…
2008	return if $self->{deny_save};	2155	return if $self->{deny_save};
2009		2156
2010	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
2011		2158
2012	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2014	};	2162	};
		2163
		2164	cf::get_slot 0.02;
2015		2165
2016	if ($uniq) {	2166	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2169	} else {
…		…
2028	$self->save;	2178	$self->save;
2029		2179
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2181
2032	return if $self->players;	2182	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2184	return if $self->{deny_save};
2035		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2190	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2191	}
2039		2192
2040	sub reset_at {	2193	sub reset_at {
2041	my ($self) = @_;	2194	my ($self) = @_;
2042		2195
…		…
2074	if $uniq;	2227	if $uniq;
2075	}	2228	}
2076		2229
2077	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
2078		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2234	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2235
2083	$self->unlink_save;	2236	$self->unlink_save;
2084	$self->destroy;	2237	$self->destroy;
2085	}	2238	}
2086		2239
…		…
2153		2306
2154	sub unique_maps() {	2307	sub unique_maps() {
2155	[	2308	[
2156	map {	2309	map {
2157	utf8::decode $_;	2310	utf8::decode $_;
2158	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2159	? normalise $_	2314	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2316	]
2163	}	2317	}
2164		2318
2165	package cf;
2166
2167	=back	2319	=back
2168		2320
2169	=head3 cf::object	2321	=head3 cf::object
2170		2322
2171	=cut	2323	=cut
…		…
2174		2326
2175	=over 4	2327	=over 4
2176		2328
2177	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2178		2330
2179	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2180		2333
2181	=cut	2334	=cut
2182		2335
2183	sub inv_recursive_;	2336	sub inv_recursive_;
2184	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2187		2340
2188	sub inv_recursive {	2341	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2190	}	2343	}
2191		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
2192	package cf;	2373	package cf;
2193		2374
2194	=back	2375	=back
2195		2376
2196	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2205		2386
2206	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
2207		2402
2208	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2404	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2420
2226	} else {	2421	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2424	}
2230	}	2425	}
2231	}	2426	}
2232		2427
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2453
2259	=item $player_object->enter_link	2454	=item $player_object->enter_link
2260		2455
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2457
2263	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2265		2462
2266	Will never block.	2463	Will never block.
2267		2464
2268	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2269		2466
…		…
2327		2524
2328	$map->load;	2525	$map->load;
2329	$map->load_neighbours;	2526	$map->load_neighbours;
2330		2527
2331	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2332	$self->activate_recursive;	2530	$self->activate_recursive;
2333		2531
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2336	}	2534	}
…		…
2341	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2542	be called at the end of this process.
2345		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2346	=cut	2547	=cut
2347		2548
2348	our $GOTOGEN;	2549	our $GOTOGEN;
2349		2550
2350	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2556
2356	$self->enter_link;	2557	$self->enter_link;
2357		2558
2358	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2359	my $map = eval {	2581	my $map = eval {
2360	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2361		2583
2362	if ($map) {	2584	if ($map) {
2363	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2365	} else {	2587	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2589	}
2368		2590
2369	$map	2591	$map
2370	};	2592	};
2371		2593
…		…
2407	}	2629	}
2408		2630
2409	sub prepare_random_map {	2631	sub prepare_random_map {
2410	my ($exit) = @_;	2632	my ($exit) = @_;
2411		2633
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2636	# that depends on the exit object
2417		2637
2418	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2640	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2425	}	2647	}
2426		2648
2427	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2428		2650
2429	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2432		2654
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2657	undef $fh;
2436	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2437		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2440	}	2666	}
2441	}	2667	}
2442		2668
2443	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2445		2671
2446	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2447		2673
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2674	$self->enter_link;
2460		2675
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2676	(async {
2466	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2467	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2468	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2469		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2470	1;	2700	1
2471	}) {	2701	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2706
2477	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2507		2737
2508	=cut	2738	=cut
2509		2739
		2740	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2741	our %CHANNEL = (
2511	"c/identify" => {	2742	"c/identify" => {
2512	id => "identify",	2743	id => "infobox",
2513	title => "Identify",	2744	title => "Identify",
2514	reply => undef,	2745	reply => undef,
2515	tooltip => "Items recently identified",	2746	tooltip => "Items recently identified",
2516	},	2747	},
2517	"c/examine" => {	2748	"c/examine" => {
2518	id => "examine",	2749	id => "infobox",
2519	title => "Examine",	2750	title => "Examine",
2520	reply => undef,	2751	reply => undef,
2521	tooltip => "Signs and other items you examined",	2752	tooltip => "Signs and other items you examined",
2522	},	2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
2523	);	2828	);
2524		2829
2525	sub cf::client::send_msg {	2830	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2831	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2832
2528	$msg = $self->pl->expand_cfpod ($msg);	2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
2529		2835
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2837
2532	# check predefined channels, for the benefit of C	2838	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
2534		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
2535	if (ref $channel) {	2845	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2846	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2847	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2848	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	2849	$self->ext_msg (channel_info => $channel);
2540	if $self->can_msg;
2541	}	2850	}
2542		2851
2543	$channel = $channel->{id};	2852	$channel = $channel->{id};
2544	}	2853	}
2545		2854
2546	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2547		2856
2548	if ($self->can_msg) {
2549	# default colour, mask it out	2857	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	2859	if $color & cf::NDI_DEF;
2552		2860
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2555	} else {	2864	);
2556	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {
2559	1 while
2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2565	}
2566		2865
2567	$color &= cf::NDI_COLOR_MASK;	2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
2568		2869
2569	utf8::encode $msg;	2870	# split very large packets
2570		2871	if (8192 < length $pkt and $self->{can_lzf}) {
2571	if (0 && $msg =~ /\[/) {	2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2572	# COMMAND/INFO	2873	$pkt = "frag";
2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
2574	} else {
2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2576	$self->send_packet ("drawinfo $color $msg")
2577	}
2578	}
2579	}	2874	}
		2875
		2876	$self->send_packet ($pkt);
2580	}	2877	}
2581		2878
2582	=item $client->ext_msg ($type, @msg)	2879	=item $client->ext_msg ($type, @msg)
2583		2880
2584	Sends an ext event to the client.	2881	Sends an ext event to the client.
…		…
2757	=pod	3054	=pod
2758		3055
2759	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2760		3057
2761	cf::object	3058	cf::object
2762	contr pay_amount pay_player map x y force_find force_add	3059	contr pay_amount pay_player map x y force_find force_add destroy
2763	insert remove name archname title slaying race decrease_ob_nr	3060	insert remove name archname title slaying race decrease split
		3061	value
2764		3062
2765	cf::object::player	3063	cf::object::player
2766	player	3064	player
2767		3065
2768	cf::player	3066	cf::player
…		…
2773		3071
2774	=cut	3072	=cut
2775		3073
2776	for (	3074	for (
2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3077	decrease split destroy change_exp value msg lore send_msg)],
2780	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2782	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2783	) {	3081	) {
2784	no strict 'refs';	3082	no strict 'refs';
2785	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2786	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2803	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2804		3102
2805	my $qcode = $code;	3103	my $qcode = $code;
2806	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2807	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2808		3108
2809	local $_;	3109	local $_;
2810	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2811		3111
2812	my $eval =	3112	my $eval =
…		…
2889	{	3189	{
2890	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
2891		3191
2892	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
2894	cf::face::set_visibility $idx, $info->{visibility};	3195	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3196	cf::face::set_magicmap $idx, $info->{magicmap};
2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2898		3199
2899	cf::cede_to_tick;	3200	cf::cede_to_tick;
2900	}	3201	}
2901		3202
2902	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2904	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2905	or next;	3207	or next;
		3208
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3210	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3212	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2928	{	3231	{
2929	# TODO: for gcfclient pleasure, we should give resources	3232	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.	3233	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3234	my $res = $facedata->{resource};
2932		3235
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;	3239	my $data;
2938		3240
2939	if ($info->{type} & 1) {	3241	if ($info->{type} & 1) {
2940	# prepend meta info	3242	# prepend meta info
2941		3243
2942	my $meta = $enc->encode ({	3244	my $meta = $enc->encode ({
2943	name => $name,	3245	name => $name,
2944	%{ $info->{meta} || {} },	3246	%{ $info->{meta} || {} },
2945	});	3247	});
2946		3248
2947	$data = pack "(w/a*)*", $meta, $info->{data};	3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
2948	} else {	3256	} else {
2949	$data = $info->{data};	3257	$RESOURCE{$name} = $info;
2950	}	3258	}
2951		3259
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3260	cf::cede_to_tick;
2956	}	3261	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3265
2977	1	3266	1
2978	}	3267	}
		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
2979		3288
2980	register_exticmd fx_want => sub {	3289	register_exticmd fx_want => sub {
2981	my ($ns, $want) = @_;	3290	my ($ns, $want) = @_;
2982		3291
2983	while (my ($k, $v) = each %$want) {	3292	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3293	$ns->fx_want ($k, $v);
2985	}	3294	}
2986	};	3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
2987		3306
2988	sub reload_regions {	3307	sub reload_regions {
2989	# HACK to clear player env face cache, we need some signal framework	3308	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)	3309	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3005	}	3324	}
3006		3325
3007	sub reload_archetypes {	3326	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3327	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3328	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references
3011	# this really needs to be done in an extra post-pass
3012	# (which needs to be synchronous, so solve it differently)
3013	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";
3015	}	3329	}
3016		3330
3017	sub reload_treasures {	3331	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3332	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3333	or die "unable to load treasurelists\n";
3020	}	3334	}
3021		3335
3022	sub reload_resources {	3336	sub reload_resources {
3023	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
3024		3338
		3339	reload_facedata;
		3340	reload_archetypes;
3025	reload_regions;	3341	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3342	reload_treasures;
3030		3343
3031	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
3032	}
3033
3034	sub init {
3035	reload_resources;
3036	}	3345	}
3037		3346
3038	sub reload_config {	3347	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3040	or return;	3349	or return;
3041		3350
3042	local $/;	3351	local $/;
3043	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
3044		3353
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3046		3355
3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3054	};	3363	};
3055	warn $@ if $@;	3364	warn $@ if $@;
3056	}	3365	}
3057	}	3366	}
3058		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3059	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
3060	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3063	(async {	3405	(async {
3064	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
3066	};	3409	};
3067		3410
		3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
3068	reload_config;	3415	reload_config;
3069	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
3070	load_extensions;	3429	load_extensions;
3071		3430
3072	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
3073	Event::loop;	3439	EV::loop;
3074	}	3440	}
3075		3441
3076	#############################################################################	3442	#############################################################################
3077	# initialisation and cleanup	3443	# initialisation and cleanup
3078		3444
3079	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
3080	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
3089	},
3090	);	3451	};
3091	}	3452	}
3092	}	3453	}
3093		3454
3094	sub write_runtime {	3455	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";
3096
3097	# first touch the runtime file to show we are still running:	3456	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3457	# the fsync below can take a very very long time.
3099		3458
3100	IO::AIO::aio_utime $runtime, undef, undef;	3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		3460
3102	my $guard = cf::lock_acquire "write_runtime";	3461	my $guard = cf::lock_acquire "write_runtime";
3103		3462
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3105	or return;	3464	or return;
3106		3465
3107	my $value = $cf::RUNTIME + 90 + 10;	3466	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	3467	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	3468	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	3478	aio_utime $fh, undef, undef;
3120		3479
3121	close $fh	3480	close $fh
3122	or return;	3481	or return;
3123		3482
3124	aio_rename "$runtime~", $runtime	3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	3484	and return;
3126		3485
3127	warn "runtime file written.\n";	3486	warn "runtime file written.\n";
3128		3487
3129	1	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
3130	}	3539	}
3131		3540
3132	sub emergency_save() {	3541	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
3134		3543
3135	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
3136		3545
3137	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
3138	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
3139	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
3140	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
3142	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3560	$pl->save;
3146	}	3561	}
3147	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
3148		3563
3149	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
3150	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
3151	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
3152	$map->valid or next;	3567	$map->valid or next;
3153	$map->save;	3568	$map->save;
3154	}	3569	}
3155	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
3156		3571
3157	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
3160	};	3579	};
3161		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
3162	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
3163	}	3587	}
3164		3588
3165	sub post_cleanup {	3589	sub post_cleanup {
3166	my ($make_core) = @_;	3590	my ($make_core) = @_;
3167		3591
3168	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
3170	}	3623	}
3171		3624
3172	sub do_reload_perl() {	3625	sub do_reload_perl() {
3173	# can/must only be called in main	3626	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
3175	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
3176	return;	3629	return;
3177	}	3630	}
3178		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
3179	warn "reloading...";	3637	warn "reloading...";
3180		3638
3181	warn "entering sync_job";	3639	warn "entering sync_job";
3182		3640
3183	cf::sync_job {	3641	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3185	cf::emergency_save;	3643	cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
3187		3645
3188	warn "syncing database to disk";	3646	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
3190		3648
3191	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
3192		3650
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
3204	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();
3212
3213	warn "removing commands";
3214	%COMMAND = ();
3215
3216	warn "removing ext/exti commands";
3217	%EXTCMD = ();
3218	%EXTICMD = ();
3219
3220	warn "unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";
3223
3224	if (my $cb = $pkg->can ("unload")) {
3225	eval {
3226	$cb->($pkg);
3227	1
3228	} or warn "$pkg unloaded, but with errors: $@";
3229	}	3654	}
3230		3655
3231	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
3232	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
3233	}	3658	%EXT_CORO = ();
3234		3659
3235	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
3236	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
3239	warn "... unloading $k";	3669	warn "... unloading $pkg";
3240	delete $INC{$k};
3241		3670
3242	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;
3244
3245	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
3246	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
3247	}	3680	}
3248		3681
3249	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
3250	}	3697	}
3251		3698
3252	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3255		3702
3256	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3259		3706
3260	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
3261	# and global variables created in xs	3708	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
3263		3710
3264	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
3265		3712
3266	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
3267	require cf;	3714	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3269		3716
3270	warn "loading config and database again";	3717	warn "loading config and database again";
3271	cf::reload_config;	3718	cf::reload_config;
3272		3719
3273	warn "loading extensions";	3720	warn "loading extensions";
3274	cf::load_extensions;	3721	cf::load_extensions;
3275		3722
		3723	if ($REATTACH_ON_RELOAD) {
3276	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
3279	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
3282		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
3283	warn "leaving sync_job";	3735	warn "leaving sync_job";
3284		3736
3285	1	3737	1
3286	} or do {	3738	} or do {
3287	warn $@;	3739	warn $@;
3288	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
3289	exit 1;
3290	};	3741	};
3291		3742
3292	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
3293	};	3749	};
3294		3750
3295	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
3296		3752
3297	sub reload_perl() {	3753	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
3300		3756
3301	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
3302	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
3303	after => 0,	3759
3304	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3305	cb => sub {
3306	do_reload_perl;	3761	do_reload_perl;
3307	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
3308	},	3763	};
3309	);	3764	};
3310	}	3765	}
3311		3766
3312	register_command "reload" => sub {	3767	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
3314		3769
3315	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
		3772	async {
		3773	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	3774	reload_perl;
		3775	};
3318	}	3776	}
3319	};	3777	};
3320		3778
3321	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
3322		3780
…		…
3324		3782
3325	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
3327		3785
3328	sub wait_for_tick {	3786	sub wait_for_tick {
3329	return unless $TICK_WATCHER->is_active;
3330	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
3331		3788
3332	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
3333	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;	3791	$signal->wait;
3335	}	3792	}
3336		3793
3337	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
3338	return unless $TICK_WATCHER->is_active;
3339	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3340		3796
3341	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	3799	$signal->wait;
3344	}	3800	}
3345		3801
3346	my $min = 1e6;#d#	3802	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
3358	return;	3806	return;
3359	}	3807	}
3360		3808
3361	$NOW = $tick_start = Event::time;
3362
3363	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
3364		3810
3365	0 && sync_job {#d#	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	3813	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3814	$Coro::current->{desc} = "runtime saver";
3369	or die;	3815	write_runtime_sync
3370		3816	or warn "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	3817	};
		3818	}
3387		3819
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	3821	$sig->send;
3404	}	3822	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
3406	$sig->send;	3824	$sig->send;
3407	}	3825	}
3408		3826
3409	$NOW = Event::time;	3827	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		3829
3420	_post_tick;	3830	if (0) {
3421		3831	if ($NEXT_TICK) {
3422		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
3423	},	3836	}
3424	);	3837	}
3425		3838
3426	{	3839	{
3427	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	3841
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
3437		3843	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		3845
3453	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
3454	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3455		3853
3456	cf::sync_job {	3854	cf::sync_job {
3457	eval {	3855	eval {
3458	BDB::db_env_open	3856	BDB::db_env_open
3459	$DB_ENV,	3857	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	3861	0666;
3464		3862
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	3864	};
3470		3865
3471	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	3867	};
3473	}	3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
3474	}	3879	}
3475		3880
3476	{	3881	{
		3882	# configure IO::AIO
		3883
3477	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	3887	}
3490		3888
3491	my $_log_backtrace;	3889	my $_log_backtrace;
3492		3890
3493	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
3496	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
3497		3895
3498	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
3500	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3501	async {	3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
3502	my @bt = fork_call {	3903	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506	or die "addr2line: $!";	3907	or die "addr2line: $!";
…		…
3514	}	3915	}
3515		3916
3516	@funcs	3917	@funcs
3517	};	3918	};
3518		3919
3519	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	3923	--$_log_backtrace;
3522	};	3924	};
3523	} else {	3925	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3525	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3526	}	3928	}
3527	}	3929	}
3528		3930
3529	# load additional modules	3931	# load additional modules
3530	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3531		3933
3532	END { cf::emergency_save }	3934	END { cf::emergency_save }
3533		3935
3534	1	3936	1
3535		3937

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