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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.345 by root, Tue Aug 28 19:30:11 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		136
103	binmode STDOUT;	137	binmode STDOUT;
104	binmode STDERR;	138	binmode STDERR;
105		139
106	# read virtual server time, if available	140	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
111	}	145	}
112		146
113	mkdir $_	147	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		193
160	The raw value load value from the last tick.	194	The raw value load value from the last tick.
161		195
162	=item %cf::CFG	196	=item %cf::CFG
163		197
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	199	from wherever your confdir points to.
166		200
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		202
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	221	$msg .= "\n"
188	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
189		223
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		225
192	utf8::encode $msg;
193	LOG llevError, $msg;	226	LOG llevError, $msg;
194	};	227	};
195	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
196		244
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	255	for my $pkg (qw(
208	cf::global cf::attachable	256	cf::global cf::attachable
209	cf::object cf::object::player	257	cf::object cf::object::player
210	cf::client cf::player	258	cf::client cf::player
211	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
212	cf::map cf::party cf::region	261	cf::party cf::region
213	)) {	262	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	264	}
217		265
218	$Event::DIED = sub {	266	$EV::DIED = sub {
219	warn "error in event callback: @_";	267	warn "error in event callback: @_";
220	};	268	};
221		269
222	#############################################################################	270	#############################################################################
223		271
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	295	$d
248	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
249	}	297	}
250		298
251	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
252		300
253	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
254		302
255	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
256		304
257	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
258		306
259	=cut	307	=cut
260		308
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		310
263	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
265		327
266	=item cf::lock_wait $string	328	=item cf::lock_wait $string
267		329
268	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
269		331
…		…
272	Wait until the given lock is available and then acquires it and returns	334	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,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
275	returned.	337	returned.
276		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
277	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
279		344
280	=item $locked = cf::lock_active $string	345	=item $locked = cf::lock_active $string
281		346
282	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
283		348
284	=cut	349	=cut
285		350
286	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
287		353
288	sub lock_wait($) {	354	sub lock_wait($) {
289	my ($key) = @_;	355	my ($key) = @_;
290		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
291	# wait for lock, if any	362	# wait for lock, if any
292	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
293	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	366	Coro::schedule;
295	}	367	}
296	}	368	}
297		369
…		…
300		372
301	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
302	lock_wait $key;	374	lock_wait $key;
303		375
304	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
305		378
306	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
309	}	383	}
310	}	384	}
311		385
…		…
314		388
315	! ! $LOCK{$key}	389	! ! $LOCK{$key}
316	}	390	}
317		391
318	sub freeze_mainloop {	392	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
320		394
321	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
322	$TICK_WATCHER->start;	396	}
323	};	397
324	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
325	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
326	}	411	}
327		412
328	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
329		414
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
343		428
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
346	my $signal = new Coro::Signal;	433	my $signal = new Coro::Signal;
347		434
348	while () {	435	while () {
349	next_job:	436	next_job:
350	my $avail = cf::till_tick;	437	my $avail = cf::till_tick;
…		…
358	}	445	}
359	}	446	}
360	}	447	}
361		448
362	if (@SLOT_QUEUE) {	449	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	451	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	452	$signal->wait;
366	} else {	453	} else {
367	Coro::schedule;	454	Coro::schedule;
368	}	455	}
369	}	456	}
370	};	457	};
371		458
372	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
373	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
374		463
375	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
377		466
…		…
391		480
392	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
393		482
394	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
395		484
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	488	acceptable.
400		489
401	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		496
408	sub sync_job(&) {	497	sub sync_job(&) {
409	my ($job) = @_;	498	my ($job) = @_;
410		499
411	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	501	my $time = EV::time;
413		502
414	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
416		505
417	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	507
419	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
420		509
421	my $busy = 1;	510	my $busy = 1;
422	my @res;	511	my @res;
423		512
424	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	515	@res = eval { $job->() };
426	warn $@ if $@;	516	warn $@ if $@;
427	undef $busy;	517	undef $busy;
428	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
429		519
430	while ($busy) {	520	while ($busy) {
431	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
432	}	525	}
		526	}
433		527
434	$time = Event::time - $time;	528	my $time = EV::time - $time;
435		529
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
440		531
441	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
442	} else {	533	} else {
443	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
444		535
…		…
469	=item fork_call { }, $args	560	=item fork_call { }, $args
470		561
471	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
475		566
476	=cut	567	=cut
477		568
478	sub fork_call(&@) {	569	sub fork_call(&@) {
479	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
480		571
481	# we seemingly have to make a local copy of the whole thing,	572	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	573	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	574	# TODO: investigate and fix (likely this will be rather laborious)
484		575
485	my @res = Coro::Util::fork_eval {	576	my @res = Coro::Util::fork_eval {
486	reset_signals;	577	reset_signals;
487	&$cb	578	&$cb
488	}, @args;	579	}, @args;
489		580
490	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
491	}	582	}
492		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
493	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
494		612
495	Returns a single value from the environment database.	613	Returns a single value from the environment database.
496		614
497	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
498		616
499	Stores the given C<$value> in the family. It can currently store binary	617	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
502	=cut	625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
503		643
504	our $DB;	644	our $DB;
505		645
506	sub db_init {	646	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	647	cf::sync_job {
511	eval {	648	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	649	};
521	}	650	}
522		651
523	sub db_get($$) {	652	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
525		654
…		…
575	if (1) {	704	if (1) {
576	$md5 =	705	$md5 =
577	join "\x00",	706	join "\x00",
578	$processversion,	707	$processversion,
579	map {	708	map {
580	Coro::cede;	709	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	710	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	711	} 0.. $#$src;
583		712
584		713
585	my $dbmd5 = db_get cache => "$id/md5";	714	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		752
624	#############################################################################	753	#############################################################################
625		754
626	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
627		756
628	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
631		760
632	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	763	Deliantra).
635		764
636	=over 4	765	=over 4
637		766
638	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
639		768
…		…
683	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
684		813
685	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
687		816
688	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
690		819
691	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
692		821
693	=over 4	822	=over 4
…		…
921	}	1050	}
922		1051
923	0	1052	0
924	}	1053	}
925		1054
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1056
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1058
930	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
931		1060
…		…
937		1066
938	=cut	1067	=cut
939		1068
940	#############################################################################	1069	#############################################################################
941	# object support	1070	# object support
942	#
943		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
944	sub _can_merge {	1105	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
946		1107
947	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1109
951	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
952	}	1112	}
953		1113
954	sub reattach {	1114	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1116	my ($obj) = @_;
957		1117
		1118	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1120
960	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
961		1122
962	@$registry = ();	1123	@$registry = ();
963		1124
…		…
978	cf::attachable->attach (	1139	cf::attachable->attach (
979	prio => -1000000,	1140	prio => -1000000,
980	on_instantiate => sub {	1141	on_instantiate => sub {
981	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
982		1143
983	$data = from_json $data;	1144	$data = decode_json $data;
984		1145
985	for (@$data) {	1146	for (@$data) {
986	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
987		1148
988	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1165	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
1006		1167
1007	sync_job {	1168	sync_job {
1008	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1011		1173
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1178	aio_close $fh;
1017		1179
1018	if (@$objs) {	1180	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1186	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1188	}
1027	} else {	1189	} else {
1028	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
1029	}	1191	}
1030		1192
1031	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1197	} else {
1033	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
1034	}	1199	}
1035	} else {	1200	} else {
1036	aio_unlink $filename;	1201	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
1038	}	1203	}
1039	}	1204	};
1040	}	1205	}
1041		1206
1042	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
1044		1209
…		…
1056	or return;	1221	or return;
1057		1222
1058	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1225	or return;
		1226
1061	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1062	}	1229	}
1063		1230
		1231	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1066	return ($data, $av);	1235	($data, $av)
1067	}	1236	}
1068		1237
1069	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1070		1239
1071	=over 4	1240	=over 4
…		…
1125	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1126		1295
1127	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1128	}	1297	}
1129		1298
		1299	use File::Glob ();
		1300
1130	cf::player->attach (	1301	cf::player->attach (
1131	on_command => sub {	1302	on_command => sub {
1132	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1133		1304
1134	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1166		1337
1167	cf::override;	1338	cf::override;
1168	},	1339	},
1169	);	1340	);
1170		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
		1354
1171	sub load_extensions {	1355	sub load_extensions {
1172	cf::sync_job {	1356	cf::sync_job {
1173	my %todo;	1357	my %todo;
1174		1358
1175	for my $path (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
…		…
1194		1378
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1381
1198	$ext{source} =	1382	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1200	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1201	. $source	1385	. $source
1202	. "\n};\n1";	1386	. "\n};\n1";
1203		1387
1204	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1222		1406
1223	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1408	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1410	}
1228		1411
1229	warn $msg;	1412	warn $msg;
1230	}	1413	}
1231		1414
…		…
1245		1428
1246	=back	1429	=back
1247		1430
1248	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1249		1432
1250	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1251		1434
1252	=cut	1435	=cut
1253		1436
1254	package cf::player;	1437	package cf::player;
1255		1438
1256	use Coro::AIO;	1439	use Coro::AIO;
1257		1440
1258	=head3 cf::player	1441	=head3 cf::player
1259		1442
1260	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1261		1458
1262	=item cf::player::find $login	1459	=item cf::player::find $login
1263		1460
1264	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1265		1462
…		…
1284		1481
1285	sub exists($) {	1482	sub exists($) {
1286	my ($login) = @_;	1483	my ($login) = @_;
1287		1484
1288	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1290	}	1487	}
1291		1488
1292	sub find($) {	1489	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1491	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1502
1306	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1309	}	1512	}
1310	}	1513	}
1311	}	1514	}
1312		1515
…		…
1321	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1322		1525
1323	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1325		1528
		1529	cf::get_slot 0.01;
		1530
1326	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1327	Coro::cede;	1532	cf::cede_to_tick;
1328	}	1533	}
1329		1534
1330	sub new($) {	1535	sub new($) {
1331	my ($login) = @_;	1536	my ($login) = @_;
1332		1537
…		…
1361	my ($pl) = @_;	1566	my ($pl) = @_;
1362		1567
1363	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1364		1569
1365	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1572
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1369	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1371	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1372		1579
1373	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1410	or return [];	1617	or return [];
1411		1618
1412	my @logins;	1619	my @logins;
1413		1620
1414	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1418		1631
1419	utf8::decode $login;	1632	utf8::decode $login;
1420	push @logins, $login;	1633	push @logins, $login;
1421	}	1634	}
1422		1635
…		…
1449	}	1662	}
1450		1663
1451	\@paths	1664	\@paths
1452	}	1665	}
1453		1666
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1668
1456	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1670
1504	=item $player->ext_reply ($msgid, @msg)	1671	=item $player->ext_reply ($msgid, @msg)
1505		1672
1506	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1507		1674
…		…
1574	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1576		1743
1577	sub generate_random_map {	1744	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1579	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1750	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1705		1875
1706	# the temporary/swap location	1876	# the temporary/swap location
1707	sub save_path {	1877	sub save_path {
1708	my ($self) = @_;	1878	my ($self) = @_;
1709		1879
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1712	}	1882	}
1713		1883
1714	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1715	sub uniq_path {	1885	sub uniq_path {
1716	my ($self) = @_;	1886	my ($self) = @_;
1717		1887
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1720	}	1890	}
1721		1891
1722	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1723	# all maps in C++...	1893	# all maps in C++...
…		…
1746		1916
1747	sub load_header_from($) {	1917	sub load_header_from($) {
1748	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1749		1919
1750	utf8::encode $path;	1920	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1756		1929
1757	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1758		1931
1759	1	1932	1
1760	}	1933	}
…		…
1814	sub find {	1987	sub find {
1815	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1816		1989
1817	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1818		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1820		1994
1821	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1822	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1823	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1824	or return;	2000	or return;
1825		2001
1826	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1827		2003
…		…
1829	or return;	2005	or return;
1830		2006
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1834	$map->reset;	2012	$map->reset;
1835	undef $guard;
1836	return find $path;	2013	return find $path;
1837	}	2014	}
1838		2015
1839	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1840	}	2017	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1850		2027
1851	my $path = $self->{path};	2028	my $path = $self->{path};
1852		2029
1853	{	2030	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		2032
		2033	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1858		2035
1859	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1860		2037
1861	$self->alloc;	2038	$self->alloc;
1862		2039
1863	$self->pre_load;	2040	$self->pre_load;
1864	Coro::cede;	2041	cf::cede_to_tick;
1865		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1866	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1867	or return;	2046	or return;
1868		2047
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1870	if delete $self->{load_original};	2049	if delete $self->{load_original};
1871		2050
1872	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2052	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2055	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1877	}	2059	}
1878	}	2060	}
1879		2061
1880	Coro::cede;	2062	$f->resolve_delayed_derefs;
		2063
		2064	cf::cede_to_tick;
1881	# now do the right thing for maps	2065	# now do the right thing for maps
1882	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1884	unless $self->difficulty;	2068	unless $self->difficulty;
1885	Coro::cede;	2069	cf::cede_to_tick;
1886		2070
1887	unless ($self->{deny_activate}) {	2071	unless ($self->{deny_activate}) {
1888	$self->decay_objects;	2072	$self->decay_objects;
1889	$self->fix_auto_apply;	2073	$self->fix_auto_apply;
1890	$self->update_buttons;	2074	$self->update_buttons;
1891	Coro::cede;	2075	cf::cede_to_tick;
1892	$self->set_darkness_map;	2076	$self->set_darkness_map;
1893	Coro::cede;	2077	cf::cede_to_tick;
1894	$self->activate;	2078	$self->activate;
1895	}	2079	}
1896		2080
1897	$self->{last_save} = $cf::RUNTIME;	2081	$self->{last_save} = $cf::RUNTIME;
1898	$self->last_access ($cf::RUNTIME);	2082	$self->last_access ($cf::RUNTIME);
1899		2083
1900	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1901	}	2085	}
1902		2086
1903	$self->post_load;	2087	$self->post_load;
1904	}	2088	}
1905		2089
…		…
1963	my ($path, $origin, $load) = @_;	2147	my ($path, $origin, $load) = @_;
1964		2148
1965	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1966		2150
1967	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1969	}	2153	}
1970		2154
1971	$MAP_PREFETCH{$path} |= $load;	2155	$MAP_PREFETCH{$path} |= $load;
1972		2156
1973	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1974	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2162	if (my $map = find $k) {
1977	$map->load if $v;	2163	$map->load if $v;
1978	}	2164	}
…		…
2004	return if $self->{deny_save};	2190	return if $self->{deny_save};
2005		2191
2006	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
2007		2193
2008	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
2010	};	2197	};
		2198
		2199	cf::get_slot 0.02;
2011		2200
2012	if ($uniq) {	2201	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2015	} else {	2204	} else {
…		…
2024	$self->save;	2213	$self->save;
2025		2214
2026	my $lock = cf::lock_acquire "map_data:$self->{path}";	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2216
2028	return if $self->players;	2217	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
2030	return if $self->{deny_save};	2219	return if $self->{deny_save};
2031		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
2032	$self->clear;	2225	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2226	}
2035		2227
2036	sub reset_at {	2228	sub reset_at {
2037	my ($self) = @_;	2229	my ($self) = @_;
2038		2230
…		…
2070	if $uniq;	2262	if $uniq;
2071	}	2263	}
2072		2264
2073	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
2074		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2269	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2270
2079	$self->unlink_save;	2271	$self->unlink_save;
2080	$self->destroy;	2272	$self->destroy;
2081	}	2273	}
2082		2274
2083	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
2084		2276
2085	sub nuke {	2277	sub nuke {
2086	my ($self) = @_;	2278	my ($self) = @_;
2087		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
2088	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
2089		2284
2090	$self->unlink_save;	2285	$self->unlink_save;
2091		2286
2092	bless $self, "cf::map";	2287	bless $self, "cf::map";
2093	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2292
2098	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
2099		2295
2100	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
2101	}	2297	}
2102		2298
2103	=item $maps = cf::map::tmp_maps	2299	=item $maps = cf::map::tmp_maps
…		…
2145		2341
2146	sub unique_maps() {	2342	sub unique_maps() {
2147	[	2343	[
2148	map {	2344	map {
2149	utf8::decode $_;	2345	utf8::decode $_;
2150	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2151	? normalise $_	2349	: normalise $_
2152	: ()
2153	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2154	]	2351	]
2155	}	2352	}
2156		2353
2157	package cf;
2158
2159	=back	2354	=back
2160		2355
2161	=head3 cf::object	2356	=head3 cf::object
2162		2357
2163	=cut	2358	=cut
…		…
2166		2361
2167	=over 4	2362	=over 4
2168		2363
2169	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2170		2365
2171	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2172		2368
2173	=cut	2369	=cut
2174		2370
2175	sub inv_recursive_;	2371	sub inv_recursive_;
2176	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2179		2375
2180	sub inv_recursive {	2376	sub inv_recursive {
2181	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2182	}	2378	}
2183		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
2184	package cf;	2408	package cf;
2185		2409
2186	=back	2410	=back
2187		2411
2188	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2194	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2195	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2196	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2197		2421
2198	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
2199		2437
2200	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2201	# with dialog boxes.	2439	# with dialog boxes.
2202	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2203	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2215	my $dialog = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2217		2455
2218	} else {	2456	} else {
2219	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2220	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2221	}	2459	}
2222	}	2460	}
2223	}	2461	}
2224		2462
2225	=item $object->send_msg ($channel, $msg, $color, [extra...])	2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2250		2488
2251	=item $player_object->enter_link	2489	=item $player_object->enter_link
2252		2490
2253	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2254		2492
2255	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2256	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2257		2497
2258	Will never block.	2498	Will never block.
2259		2499
2260	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2261		2501
…		…
2319		2559
2320	$map->load;	2560	$map->load;
2321	$map->load_neighbours;	2561	$map->load_neighbours;
2322		2562
2323	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2324	$self->activate_recursive;	2565	$self->activate_recursive;
2325		2566
2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2327	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2328	}	2569	}
…		…
2333	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2334	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2335	the new (success) or old (failed) map position. In either case, $done will	2576	the new (success) or old (failed) map position. In either case, $done will
2336	be called at the end of this process.	2577	be called at the end of this process.
2337		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
		2581
2338	=cut	2582	=cut
2339		2583
2340	our $GOTOGEN;	2584	our $GOTOGEN;
2341		2585
2342	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
…		…
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2591
2348	$self->enter_link;	2592	$self->enter_link;
2349		2593
2350	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2351	my $map = eval {	2616	my $map = eval {
2352	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2353		2618
2354	if ($map) {	2619	if ($map) {
2355	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2357	} else {	2622	} else {
2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2359	}	2624	}
2360		2625
2361	$map	2626	$map
2362	};	2627	};
2363		2628
…		…
2399	}	2664	}
2400		2665
2401	sub prepare_random_map {	2666	sub prepare_random_map {
2402	my ($exit) = @_;	2667	my ($exit) = @_;
2403		2668
2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
2405
2406	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2407	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2408	# that depends on the exit object	2671	# that depends on the exit object
2409		2672
2410	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2412	if ($exit->map) {	2675	if ($exit->map) {
2413	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2414	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2415	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2416	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2417	}	2682	}
2418		2683
2419	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2420		2685
2421	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2422	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2424		2689
2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2427	undef $fh;	2692	undef $fh;
2428	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2429		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2430	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2431	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2432	}	2701	}
2433	}	2702	}
2434		2703
2435	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2436	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2437		2706
2438	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2439		2708
2440	if ($exit->slaying eq "/!") {
2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
2442	# the problem is that $exit might not survive long enough
2443	# so it needs to be done right now, right here
2444	cf::sync_job { prepare_random_map $exit };
2445	}
2446
2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2448	my $hp = $exit->stats->hp;
2449	my $sp = $exit->stats->sp;
2450
2451	$self->enter_link;	2709	$self->enter_link;
2452		2710
2453	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);
2456
2457	(async {	2711	(async {
2458	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2459	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2460	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2461		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2462	1;	2735	1
2463	}) {	2736	}) {
2464	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2465	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2466	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2467	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2468		2741
2469	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2497	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2498	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2499		2772
2500	=cut	2773	=cut
2501		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
2502	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2504		2841
2505	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
2506		2844
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
2509	if (ref $channel) {	2856	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	2857	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	2858	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	2859	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
2514	}	2862	}
2515		2863
2516	$channel = $channel->{id};	2864	$channel = $channel->{id};
2517	}	2865	}
2518		2866
…		…
2521	if ($self->can_msg) {	2869	if ($self->can_msg) {
2522	# default colour, mask it out	2870	# default colour, mask it out
2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2524	if $color & cf::NDI_DEF;	2872	if $color & cf::NDI_DEF;
2525		2873
2526	$self->send_packet ("msg " . $self->{json_coder}->encode (	2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2528	} else {	2890	} else {
2529	if ($color >= 0) {	2891	if ($color >= 0) {
2530	# replace some tags by gcfclient-compatible ones	2892	# replace some tags by gcfclient-compatible ones
2531	for ($msg) {	2893	for ($msg) {
2532	1 while	2894	1 while
…		…
2730	=pod	3092	=pod
2731		3093
2732	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2733		3095
2734	cf::object	3096	cf::object
2735	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2736	insert remove name archname title slaying race decrease_ob_nr	3098	insert remove name archname title slaying race decrease split
2737		3099
2738	cf::object::player	3100	cf::object::player
2739	player	3101	player
2740		3102
2741	cf::player	3103	cf::player
…		…
2746		3108
2747	=cut	3109	=cut
2748		3110
2749	for (	3111	for (
2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2751	insert remove inv name archname title slaying race	3113	insert remove inv nrof name archname title slaying race
2752	decrease_ob_nr)],	3114	decrease split destroy change_exp)],
2753	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2755	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2756	) {	3118	) {
2757	no strict 'refs';	3119	no strict 'refs';
…		…
2833	# the server's init and main functions	3195	# the server's init and main functions
2834		3196
2835	sub load_facedata($) {	3197	sub load_facedata($) {
2836	my ($path) = @_;	3198	my ($path) = @_;
2837		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3205
2840	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2841		3207
2842	my $facedata;	3208	my $facedata;
…		…
2858	{	3224	{
2859	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2860		3226
2861	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2863	cf::face::set_visibility $idx, $info->{visibility};	3230	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2867		3234
2868	cf::cede_to_tick;	3235	cf::cede_to_tick;
2869	}	3236	}
2870		3237
2871	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2873	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2874	or next;	3242	or next;
		3243
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3245	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3247	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2897	{	3266	{
2898	# TODO: for gcfclient pleasure, we should give resources	3267	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.	3268	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3269	my $res = $facedata->{resource};
2901		3270
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;	3274	my $data;
2907		3275
2908	if ($info->{type} & 1) {	3276	if ($info->{type} & 1) {
2909	# prepend meta info	3277	# prepend meta info
2910		3278
2911	my $meta = $enc->encode ({	3279	my $meta = $enc->encode ({
2912	name => $name,	3280	name => $name,
2913	%{ $info->{meta} || {} },	3281	%{ $info->{meta} || {} },
2914	});	3282	});
2915		3283
2916	$data = pack "(w/a*)*", $meta, $info->{data};	3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
2917	} else {	3291	} else {
2918	$data = $info->{data};	3292	$RESOURCE{$name} = $info;
2919	}	3293	}
2920		3294
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3295	cf::cede_to_tick;
2925	}	3296	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3300
2946	1	3301	1
2947	}	3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
2948		3323
2949	register_exticmd fx_want => sub {	3324	register_exticmd fx_want => sub {
2950	my ($ns, $want) = @_;	3325	my ($ns, $want) = @_;
2951		3326
2952	while (my ($k, $v) = each %$want) {	3327	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3328	$ns->fx_want ($k, $v);
2954	}	3329	}
2955	};	3330	};
2956		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
2957	sub reload_regions {	3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
2958	load_resource_file "$MAPDIR/regions"	3347	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3348	or die "unable to load regions file\n";
2960		3349
2961	for (cf::region::list) {	3350	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3351	$_->{match} = qr/$_->{match}/
…		…
2970	}	3359	}
2971		3360
2972	sub reload_archetypes {	3361	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references
2976	# this really needs to be done in an extra post-pass
2977	# (which needs to be synchronous, so solve it differently)
2978	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";
2980	}	3364	}
2981		3365
2982	sub reload_treasures {	3366	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
2985	}	3369	}
2986		3370
2987	sub reload_resources {	3371	sub reload_resources {
2988	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
2989		3373
		3374	reload_facedata;
		3375	reload_archetypes;
2990	reload_regions;	3376	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3377	reload_treasures;
2995		3378
2996	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
2997	}
2998
2999	sub init {
3000	reload_resources;
3001	}	3380	}
3002		3381
3003	sub reload_config {	3382	sub reload_config {
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
3005	or return;	3384	or return;
3006		3385
3007	local $/;	3386	local $/;
3008	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
3009		3388
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3011		3390
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3019	};	3398	};
3020	warn $@ if $@;	3399	warn $@ if $@;
3021	}	3400	}
3022	}	3401	}
3023		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
3024	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
3025	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3441	(async {
3029	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
3031	};	3445	};
3032		3446
		3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
3033	reload_config;	3451	reload_config;
3034	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
3035	load_extensions;	3465	load_extensions;
3036		3466
3037	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
3038	Event::loop;	3475	EV::loop;
3039	}	3476	}
3040		3477
3041	#############################################################################	3478	#############################################################################
3042	# initialisation and cleanup	3479	# initialisation and cleanup
3043		3480
3044	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
3045	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
3054	},
3055	);	3487	};
3056	}	3488	}
3057	}	3489	}
3058		3490
3059	sub write_runtime {	3491	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";
3061
3062	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
3064		3494
3065	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066		3496
3067	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
3068		3498
3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3070	or return;	3500	or return;
3071		3501
3072	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
3073	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
3074	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
3084	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
3085		3515
3086	close $fh	3516	close $fh
3087	or return;	3517	or return;
3088		3518
3089	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090	and return;	3520	and return;
3091		3521
3092	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
3093		3523
3094	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
3095	}	3575	}
3096		3576
3097	sub emergency_save() {	3577	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
3099		3579
3100	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
3101		3581
3102	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
3103	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
3104	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
3105	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
3107	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3596	$pl->save;
3111	}	3597	}
3112	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
3113		3599
3114	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
3115	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
3116	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
3117	$map->valid or next;	3603	$map->valid or next;
3118	$map->save;	3604	$map->save;
3119	}	3605	}
3120	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
3121		3607
3122	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
3125	};	3615	};
3126		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
3127	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
3128	}	3623	}
3129		3624
3130	sub post_cleanup {	3625	sub post_cleanup {
3131	my ($make_core) = @_;	3626	my ($make_core) = @_;
3132		3627
3133	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
3134	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
3135	}	3659	}
3136		3660
3137	sub do_reload_perl() {	3661	sub do_reload_perl() {
3138	# can/must only be called in main	3662	# can/must only be called in main
3139	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
3140	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
3141	return;	3665	return;
3142	}	3666	}
3143		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
3144	warn "reloading...";	3673	warn "reloading...";
3145		3674
3146	warn "entering sync_job";	3675	warn "entering sync_job";
3147		3676
3148	cf::sync_job {	3677	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
3150	cf::emergency_save;	3679	cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
3152		3681
3153	warn "syncing database to disk";	3682	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
3155		3684
3156	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
3157		3686
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
3164	for (;;) {
3165	BDB::flush;
3166	IO::AIO::flush;
3167	Coro::cede;
3168	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
3169	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3170	}
3171
3172	++$RELOAD;
3173
3174	warn "cancelling all extension coros";
3175	$_->cancel for values %EXT_CORO;
3176	%EXT_CORO = ();
3177
3178	warn "removing commands";
3179	%COMMAND = ();
3180
3181	warn "removing ext/exti commands";
3182	%EXTCMD = ();
3183	%EXTICMD = ();
3184
3185	warn "unloading/nuking all extensions";
3186	for my $pkg (@EXTS) {
3187	warn "... unloading $pkg";
3188
3189	if (my $cb = $pkg->can ("unload")) {
3190	eval {
3191	$cb->($pkg);
3192	1
3193	} or warn "$pkg unloaded, but with errors: $@";
3194	}	3690	}
3195		3691
3196	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
3197	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
3198	}	3694	%EXT_CORO = ();
3199		3695
3200	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
3201	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
3204	warn "... unloading $k";	3705	warn "... unloading $pkg";
3205	delete $INC{$k};
3206		3706
3207	$k =~ s/\.pm$//;
3208	$k =~ s/\//::/g;
3209
3210	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3211	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3212	}	3716	}
3213		3717
3214	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
3215	}	3733	}
3216		3734
3217	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3218	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3220		3738
3221	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3222	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3223	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3224		3742
3225	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3226	# and global variables created in xs	3744	# and global variables created in xs
3227	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3228		3746
3229	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3230		3748
3231	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3232	require cf;	3750	require cf;
3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3234		3752
3235	warn "loading config and database again";	3753	warn "loading config and database again";
3236	cf::reload_config;	3754	cf::reload_config;
3237		3755
3238	warn "loading extensions";	3756	warn "loading extensions";
3239	cf::load_extensions;	3757	cf::load_extensions;
3240		3758
		3759	if ($REATTACH_ON_RELOAD) {
3241	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3242	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3243	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3244	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3245	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3246	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3247		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3248	warn "leaving sync_job";	3771	warn "leaving sync_job";
3249		3772
3250	1	3773	1
3251	} or do {	3774	} or do {
3252	warn $@;	3775	warn $@;
3253	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3254	exit 1;
3255	};	3777	};
3256		3778
3257	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3258	};	3785	};
3259		3786
3260	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3261		3788
3262	sub reload_perl() {	3789	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3265		3792
3266	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3267	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3268	after => 0,	3795
3269	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3270	cb => sub {
3271	do_reload_perl;	3797	do_reload_perl;
3272	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3273	},	3799	};
3274	);	3800	};
3275	}	3801	}
3276		3802
3277	register_command "reload" => sub {	3803	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3279		3805
3280	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	3810	reload_perl;
		3811	};
3283	}	3812	}
3284	};	3813	};
3285		3814
3286	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3287		3816
…		…
3289		3818
3290	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3292		3821
3293	sub wait_for_tick {	3822	sub wait_for_tick {
3294	return unless $TICK_WATCHER->is_active;
3295	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3296		3824
3297	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	3827	$signal->wait;
3300	}	3828	}
3301		3829
3302	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3303	return unless $TICK_WATCHER->is_active;
3304	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3305		3832
3306	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	3835	$signal->wait;
3309	}	3836	}
3310		3837
3311	my $min = 1e6;#d#	3838	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3323	return;	3842	return;
3324	}	3843	}
3325		3844
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3329		3846
3330	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332	my $t = Event::time;	3849	Coro::async_pool {
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3334	or die;	3851	write_runtime_sync
3335		3852	or warn "ERROR: unable to write runtime file: $!";
3336	$map->width (50);
3337	$map->height (50);
3338	$map->alloc;
3339	$map->_load_objects ("/tmp/x.map", 1);
3340	my $t = Event::time - $t;
3341
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	3853	};
		3854	}
3352		3855
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	3857	$sig->send;
3369	}	3858	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	3860	$sig->send;
3372	}	3861	}
3373		3862
3374	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		3865
3385	_post_tick;	3866	if (0) {
3386		3867	if ($NEXT_TICK) {
3387		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3388	},	3872	}
3389	);	3873	}
3390		3874
3391	{	3875	{
3392	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	3877
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3402		3879	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		3881
3418	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		3889
3421	cf::sync_job {	3890	cf::sync_job {
3422	eval {	3891	eval {
3423	BDB::db_env_open	3892	BDB::db_env_open
3424	$DB_ENV,	3893	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	3897	0666;
3429		3898
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	3900	};
3435		3901
3436	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	3903	};
3438	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3439	}	3915	}
3440		3916
3441	{	3917	{
		3918	# configure IO::AIO
		3919
3442	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	3923	}
3455		3924
3456	my $_log_backtrace;	3925	my $_log_backtrace;
3457		3926
3458	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3461	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3462		3931
3463	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3466	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3467	my @bt = fork_call {	3939	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3479	}	3951	}
3480		3952
3481	@funcs	3953	@funcs
3482	};	3954	};
3483		3955
3484	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3485	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3486	--$_log_backtrace;	3959	--$_log_backtrace;
3487	};	3960	};
3488	} else {	3961	} else {
3489	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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