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Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.32 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
63		93
64	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	95	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
75		109
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	112	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
86		121
87	our %CFG;	122	our %CFG;
88		123
89	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
91		127
92	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
95		131
96	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		134
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
102		144
103	binmode STDOUT;	145	binmode STDOUT;
104	binmode STDERR;	146	binmode STDERR;
105		147
106	# read virtual server time, if available	148	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
111	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
112		156
113	mkdir $_	157	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		159
116	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
159		203
160	The raw value load value from the last tick.	204	The raw value load value from the last tick.
161		205
162	=item %cf::CFG	206	=item %cf::CFG
163		207
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	209	from wherever your confdir points to.
166		210
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		212
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	231	$msg .= "\n"
188	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
189		233
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		235
192	utf8::encode $msg;
193	LOG llevError, $msg;	236	LOG llevError, $msg;
194	};	237	};
195	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
196		254
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	265	for my $pkg (qw(
208	cf::global cf::attachable	266	cf::global cf::attachable
209	cf::object cf::object::player	267	cf::object cf::object::player
210	cf::client cf::player	268	cf::client cf::player
211	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
212	cf::map cf::party cf::region	271	cf::party cf::region
213	)) {	272	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	274	}
217		275
218	$Event::DIED = sub {	276	$EV::DIED = sub {
219	warn "error in event callback: @_";	277	warn "error in event callback: @_";
220	};	278	};
221		279
222	#############################################################################	280	#############################################################################
223		281
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	305	$d
248	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
249	}	307	}
250		308
251	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
252		310
253	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
254		312
255	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
256		314
257	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
258		316
259	=cut	317	=cut
260		318
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		320
263	sub to_json ($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
265		337
266	=item cf::lock_wait $string	338	=item cf::lock_wait $string
267		339
268	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
269		341
270	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
271		343
272	Wait until the given lock is available and then acquires it and returns	344	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,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
275	returned.	347	returned.
276		348
277	Locks are *not* recursive, locking from the same coro twice results in a	349	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	350	deadlocked coro.
…		…
284		356
285	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
286		358
287	=cut	359	=cut
288		360
289	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
290		362
291	sub lock_wait($) {	363	sub lock_wait($) {
292	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	365	}
300		366
301	sub lock_acquire($) {	367	sub lock_acquire($) {
302	my ($key) = @_;	368	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	369	}
314		370
315	sub lock_active($) {	371	sub lock_active($) {
316	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	373	}
320		374
321	sub freeze_mainloop {	375	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
323		377
324	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	379	}
326	};	380
327	$TICK_WATCHER->stop;	381	=item cf::periodic $interval, $cb
328	$guard	382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
329	}	394	}
330		395
331	=item cf::get_slot $time[, $priority[, $name]]	396	=item cf::get_slot $time[, $priority[, $name]]
332		397
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	409	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	410	our $SLOT_QUEUE;
346		411
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
349	my $signal = new Coro::Signal;	416	my $signal = new Coro::Signal;
350		417
351	while () {	418	while () {
352	next_job:	419	next_job:
353	my $avail = cf::till_tick;	420	my $avail = cf::till_tick;
…		…
361	}	428	}
362	}	429	}
363	}	430	}
364		431
365	if (@SLOT_QUEUE) {	432	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	434	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	435	$signal->wait;
369	} else {	436	} else {
370	Coro::schedule;	437	Coro::schedule;
371	}	438	}
372	}	439	}
373	};	440	};
374		441
375	sub get_slot($;$$) {	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
376	my ($time, $pri, $name) = @_;	445	my ($time, $pri, $name) = @_;
377		446
378	$time = $TICK * .6 if $time > $TICK * .6;	447	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	448	my $sig = new Coro::Signal;
380		449
…		…
394		463
395	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
396		465
397	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
398		467
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	468	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	469	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	471	acceptable.
403		472
404	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		479
411	sub sync_job(&) {	480	sub sync_job(&) {
412	my ($job) = @_;	481	my ($job) = @_;
413		482
414	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	484	my $time = EV::time;
416		485
417	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
419		488
420	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	490
422	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
423		492
424	my $busy = 1;	493	my $busy = 1;
425	my @res;	494	my @res;
426		495
427	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	498	@res = eval { $job->() };
429	warn $@ if $@;	499	warn $@ if $@;
430	undef $busy;	500	undef $busy;
431	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
432		502
433	while ($busy) {	503	while ($busy) {
434	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
435	}	508	}
		509	}
436		510
437	$time = Event::time - $time;	511	my $time = EV::time - $time;
438		512
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
443		514
444	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
445	} else {	516	} else {
446	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
447		518
…		…
472	=item fork_call { }, $args	543	=item fork_call { }, $args
473		544
474	Executes the given code block with the given arguments in a seperate	545	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	546	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	547	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	548	never block itself or use any form of event handling.
478		549
479	=cut	550	=cut
480		551
481	sub fork_call(&@) {	552	sub fork_call(&@) {
482	my ($cb, @args) = @_;	553	my ($cb, @args) = @_;
483		554
484	# we seemingly have to make a local copy of the whole thing,	555	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	556	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	557	# TODO: investigate and fix (likely this will be rather laborious)
487		558
488	my @res = Coro::Util::fork_eval {	559	my @res = Coro::Util::fork_eval {
489	reset_signals;	560	reset_signals;
490	&$cb	561	&$cb
491	}, @args;	562	}, @args;
492		563
493	wantarray ? @res : $res[-1]	564	wantarray ? @res : $res[-1]
494	}	565	}
495		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
496	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
497		595
498	Returns a single value from the environment database.	596	Returns a single value from the environment database.
499		597
500	=item cf::db_put $family => $key => $value	598	=item cf::db_put $family => $key => $value
501		599
502	Stores the given C<$value> in the family. It can currently store binary	600	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
505	=cut	608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
506		626
507	our $DB;	627	our $DB;
508		628
509	sub db_init {	629	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	630	cf::sync_job {
514	eval {	631	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	632	};
524	}	633	}
525		634
526	sub db_get($$) {	635	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	636	my $key = "$_[0]/$_[1]";
528		637
…		…
626		735
627	#############################################################################	736	#############################################################################
628		737
629	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
630		739
631	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
634		743
635	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	746	Deliantra).
638		747
639	=over 4	748	=over 4
640		749
641	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
642		751
…		…
686	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
687		796
688	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
690		799
691	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
693		802
694	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
695		804
696	=over 4	805	=over 4
…		…
924	}	1033	}
925		1034
926	0	1035	0
927	}	1036	}
928		1037
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1039
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1041
933	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
934		1043
…		…
940		1049
941	=cut	1050	=cut
942		1051
943	#############################################################################	1052	#############################################################################
944	# object support	1053	# object support
945	#
946		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
947	sub _can_merge {	1088	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1089	my ($ob1, $ob2) = @_;
949		1090
950	local $Storable::canonical = 1;	1091	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1092
954	$fob1 eq $fob2	1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
955	}	1095	}
956		1096
957	sub reattach {	1097	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1099	my ($obj) = @_;
960		1100
		1101	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1103
963	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
964		1105
965	@$registry = ();	1106	@$registry = ();
966		1107
…		…
981	cf::attachable->attach (	1122	cf::attachable->attach (
982	prio => -1000000,	1123	prio => -1000000,
983	on_instantiate => sub {	1124	on_instantiate => sub {
984	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
985		1126
986	$data = from_json $data;	1127	$data = decode_json $data;
987		1128
988	for (@$data) {	1129	for (@$data) {
989	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
990		1131
991	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1148	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
1009		1150
1010	sync_job {	1151	sync_job {
1011	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1014		1156
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
1019	close $fh;	1164	aio_close $fh;
1020		1165
1021	if (@$objs) {	1166	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
1027	close $fh;	1175	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1177	}
1030	} else {	1178	} else {
1031	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1032	}	1180	}
1033		1181
1034	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1186	} else {
1036	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1037	}	1188	}
1038	} else {	1189	} else {
1039	aio_unlink $filename;	1190	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1041	}	1192	}
1042	}	1193	};
1043	}	1194	}
1044		1195
1045	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
1047		1198
…		…
1059	or return;	1210	or return;
1060		1211
1061	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1214	or return;
		1215
1064	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
1065	}	1218	}
1066		1219
		1220	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
1069	return ($data, $av);	1224	($data, $av)
1070	}	1225	}
1071		1226
1072	=head2 COMMAND CALLBACKS	1227	=head2 COMMAND CALLBACKS
1073		1228
1074	=over 4	1229	=over 4
…		…
1128	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1129		1284
1130	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1131	}	1286	}
1132		1287
		1288	use File::Glob ();
		1289
1133	cf::player->attach (	1290	cf::player->attach (
1134	on_command => sub {	1291	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1136		1293
1137	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1169		1326
1170	cf::override;	1327	cf::override;
1171	},	1328	},
1172	);	1329	);
1173		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
		1343
1174	sub load_extensions {	1344	sub load_extensions {
1175	cf::sync_job {	1345	cf::sync_job {
1176	my %todo;	1346	my %todo;
1177		1347
1178	for my $path (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1367
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1370
1201	$ext{source} =	1371	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1204	. $source	1374	. $source
1205	. "\n};\n1";	1375	. "\n};\n1";
1206		1376
1207	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1225		1395
1226	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1397	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1399	}
1231		1400
1232	warn $msg;	1401	warn $msg;
1233	}	1402	}
1234		1403
…		…
1248		1417
1249	=back	1418	=back
1250		1419
1251	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1252		1421
1253	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1254		1423
1255	=cut	1424	=cut
1256		1425
1257	package cf::player;	1426	package cf::player;
1258		1427
1259	use Coro::AIO;	1428	use Coro::AIO;
1260		1429
1261	=head3 cf::player	1430	=head3 cf::player
1262		1431
1263	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1264		1447
1265	=item cf::player::find $login	1448	=item cf::player::find $login
1266		1449
1267	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1268		1451
…		…
1287		1470
1288	sub exists($) {	1471	sub exists($) {
1289	my ($login) = @_;	1472	my ($login) = @_;
1290		1473
1291	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1293	}	1476	}
1294		1477
1295	sub find($) {	1478	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1480	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1491
1309	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1312	}	1501	}
1313	}	1502	}
1314	}	1503	}
1315		1504
…		…
1323		1512
1324	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1325		1514
1326	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
		1517
		1518	cf::get_slot 0.01;
1328		1519
1329	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1521	cf::cede_to_tick;
1331	}	1522	}
1332		1523
…		…
1364	my ($pl) = @_;	1555	my ($pl) = @_;
1365		1556
1366	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1367		1558
1368	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1561
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1375		1568
1376	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1606	or return [];
1414		1607
1415	my @logins;	1608	my @logins;
1416		1609
1417	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1421		1620
1422	utf8::decode $login;	1621	utf8::decode $login;
1423	push @logins, $login;	1622	push @logins, $login;
1424	}	1623	}
1425		1624
…		…
1452	}	1651	}
1453		1652
1454	\@paths	1653	\@paths
1455	}	1654	}
1456		1655
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1657
1459	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1659
1508	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1509		1661
1510	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1511		1663
…		…
1578	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1580		1732
1581	sub generate_random_map {	1733	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1583	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1739	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1864
1710	# the temporary/swap location	1865	# the temporary/swap location
1711	sub save_path {	1866	sub save_path {
1712	my ($self) = @_;	1867	my ($self) = @_;
1713		1868
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1716	}	1871	}
1717		1872
1718	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1719	sub uniq_path {	1874	sub uniq_path {
1720	my ($self) = @_;	1875	my ($self) = @_;
1721		1876
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	1879	}
1734		1880
1735	sub decay_objects {	1881	sub decay_objects {
1736	my ($self) = @_;	1882	my ($self) = @_;
1737		1883
…		…
1750		1896
1751	sub load_header_from($) {	1897	sub load_header_from($) {
1752	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1753		1899
1754	utf8::encode $path;	1900	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1760		1909
1761	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1762		1911
1763	1	1912	1
1764	}	1913	}
…		…
1818	sub find {	1967	sub find {
1819	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1820		1969
1821	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1822		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1824		1974
1825	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1828	or return;	1977	or return;
1829		1978
1830	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1831		1980
…		…
1833	or return;	1982	or return;
1834		1983
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1838	$map->reset;	1989	$map->reset;
1839	undef $guard;
1840	return find $path;	1990	return find $path;
1841	}	1991	}
1842		1992
1843	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1844	}	1994	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1854		2004
1855	my $path = $self->{path};	2005	my $path = $self->{path};
1856		2006
1857	{	2007	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2009
		2010	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2012
1863	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1864		2014
1865	$self->alloc;	2015	$self->alloc;
1866		2016
1867	$self->pre_load;	2017	$self->pre_load;
1868	cf::cede_to_tick;	2018	cf::cede_to_tick;
1869		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1871	or return;	2023	or return;
1872		2024
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1874	if delete $self->{load_original};	2026	if delete $self->{load_original};
1875		2027
1876	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2029	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2032	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1881	}	2036	}
1882	}	2037	}
		2038
		2039	$f->resolve_delayed_derefs;
1883		2040
1884	cf::cede_to_tick;	2041	cf::cede_to_tick;
1885	# now do the right thing for maps	2042	# now do the right thing for maps
1886	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2049	$self->decay_objects;
1893	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1894	$self->update_buttons;	2051	$self->update_buttons;
1895	cf::cede_to_tick;	2052	cf::cede_to_tick;
1896	$self->set_darkness_map;
1897	cf::cede_to_tick;
1898	$self->activate;	2053	$self->activate;
1899	}	2054	}
1900		2055
1901	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2057	$self->last_access ($cf::RUNTIME);
1903		2058
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2060	}
1906		2061
1907	$self->post_load;	2062	$self->post_load;
1908	}	2063	}
1909		2064
…		…
1967	my ($path, $origin, $load) = @_;	2122	my ($path, $origin, $load) = @_;
1968		2123
1969	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1970		2125
1971	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2128	}
1974		2129
1975	$MAP_PREFETCH{$path} |= $load;	2130	$MAP_PREFETCH{$path} |= $load;
1976		2131
1977	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1978	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2137	if (my $map = find $k) {
1981	$map->load if $v;	2138	$map->load if $v;
1982	}	2139	}
…		…
2008	return if $self->{deny_save};	2165	return if $self->{deny_save};
2009		2166
2010	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
2011		2168
2012	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
2014	};	2172	};
		2173
		2174	cf::get_slot 0.02;
2015		2175
2016	if ($uniq) {	2176	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2179	} else {
…		…
2028	$self->save;	2188	$self->save;
2029		2189
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2191
2032	return if $self->players;	2192	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2194	return if $self->{deny_save};
2035		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2200	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2201	}
2039		2202
2040	sub reset_at {	2203	sub reset_at {
2041	my ($self) = @_;	2204	my ($self) = @_;
2042		2205
…		…
2074	if $uniq;	2237	if $uniq;
2075	}	2238	}
2076		2239
2077	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
2078		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2244	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2245
2083	$self->unlink_save;	2246	$self->unlink_save;
2084	$self->destroy;	2247	$self->destroy;
2085	}	2248	}
2086		2249
…		…
2153		2316
2154	sub unique_maps() {	2317	sub unique_maps() {
2155	[	2318	[
2156	map {	2319	map {
2157	utf8::decode $_;	2320	utf8::decode $_;
2158	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2159	? normalise $_	2324	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2326	]
2163	}	2327	}
2164		2328
2165	package cf;
2166
2167	=back	2329	=back
2168		2330
2169	=head3 cf::object	2331	=head3 cf::object
2170		2332
2171	=cut	2333	=cut
…		…
2174		2336
2175	=over 4	2337	=over 4
2176		2338
2177	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2178		2340
2179	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
2180		2343
2181	=cut	2344	=cut
2182		2345
2183	sub inv_recursive_;	2346	sub inv_recursive_;
2184	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2187		2350
2188	sub inv_recursive {	2351	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2190	}	2353	}
2191		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
2192	package cf;	2383	package cf;
2193		2384
2194	=back	2385	=back
2195		2386
2196	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2205		2396
2206	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
2207		2412
2208	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2414	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2430
2226	} else {	2431	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2434	}
2230	}	2435	}
2231	}	2436	}
2232		2437
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2463
2259	=item $player_object->enter_link	2464	=item $player_object->enter_link
2260		2465
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2467
2263	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2265		2472
2266	Will never block.	2473	Will never block.
2267		2474
2268	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2269		2476
…		…
2327		2534
2328	$map->load;	2535	$map->load;
2329	$map->load_neighbours;	2536	$map->load_neighbours;
2330		2537
2331	return unless $self->contr->active;	2538	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2539
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
		2542
		2543	# only activate afterwards, to support waiting in hooks
		2544	$self->activate_recursive;
2336	}	2545	}
2337		2546
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2339		2548
2340	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2552	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2553	be called at the end of this process.
2345		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
		2557
2346	=cut	2558	=cut
2347		2559
2348	our $GOTOGEN;	2560	our $GOTOGEN;
2349		2561
2350	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2567
2356	$self->enter_link;	2568	$self->enter_link;
2357		2569
2358	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2359	my $map = eval {	2592	my $map = eval {
2360	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2361		2594
2362	if ($map) {	2595	if ($map) {
2363	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2365	} else {	2598	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2600	}
2368		2601
2369	$map	2602	$map
2370	};	2603	};
2371		2604
…		…
2407	}	2640	}
2408		2641
2409	sub prepare_random_map {	2642	sub prepare_random_map {
2410	my ($exit) = @_;	2643	my ($exit) = @_;
2411		2644
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2647	# that depends on the exit object
2417		2648
2418	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2651	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2425	}	2658	}
2426		2659
2427	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2428		2661
2429	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2432		2665
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2668	undef $fh;
2436	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2437		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2440	}	2677	}
2441	}	2678	}
2442		2679
2443	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2445		2682
2446	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2447		2684
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2685	$self->enter_link;
2460		2686
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2687	(async {
2466	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2467	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2468	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2469		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2470	1;	2711	1
2471	}) {	2712	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2717
2477	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2507		2748
2508	=cut	2749	=cut
2509		2750
		2751	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2752	our %CHANNEL = (
2511	"c/identify" => {	2753	"c/identify" => {
2512	id => "identify",	2754	id => "infobox",
2513	title => "Identify",	2755	title => "Identify",
2514	reply => undef,	2756	reply => undef,
2515	tooltip => "Items recently identified",	2757	tooltip => "Items recently identified",
2516	},	2758	},
2517	"c/examine" => {	2759	"c/examine" => {
2518	id => "examine",	2760	id => "infobox",
2519	title => "Examine",	2761	title => "Examine",
2520	reply => undef,	2762	reply => undef,
2521	tooltip => "Signs and other items you examined",	2763	tooltip => "Signs and other items you examined",
2522	},	2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
2523	);	2851	);
2524		2852
2525	sub cf::client::send_msg {	2853	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2854	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2855
2528	$msg = $self->pl->expand_cfpod ($msg);	2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
2529		2858
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2860
2532	# check predefined channels, for the benefit of C	2861	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
2534		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
2535	if (ref $channel) {	2868	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2869	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2870	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2871	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	2872	$self->ext_msg (channel_info => $channel);
2540	}	2873	}
…		…
2542	$channel = $channel->{id};	2875	$channel = $channel->{id};
2543	}	2876	}
2544		2877
2545	return unless @extra || length $msg;	2878	return unless @extra || length $msg;
2546		2879
2547	if ($self->can_msg) {
2548	# default colour, mask it out	2880	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	2882	if $color & cf::NDI_DEF;
2551		2883
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2554	} else {	2887	);
2555	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {
2558	1 while
2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2564	}
2565		2888
2566	$color &= cf::NDI_COLOR_MASK;	2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
2567		2892
2568	utf8::encode $msg;	2893	# split very large packets
2569		2894	if (8192 < length $pkt and $self->{can_lzf}) {
2570	if (0 && $msg =~ /\[/) {	2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2571	# COMMAND/INFO	2896	$pkt = "frag";
2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
2573	} else {
2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2575	$self->send_packet ("drawinfo $color $msg")
2576	}
2577	}
2578	}	2897	}
		2898
		2899	$self->send_packet ($pkt);
2579	}	2900	}
2580		2901
2581	=item $client->ext_msg ($type, @msg)	2902	=item $client->ext_msg ($type, @msg)
2582		2903
2583	Sends an ext event to the client.	2904	Sends an ext event to the client.
…		…
2756	=pod	3077	=pod
2757		3078
2758	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2759		3080
2760	cf::object	3081	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3082	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3083	insert remove name archname title slaying race decrease split
		3084	value
2763		3085
2764	cf::object::player	3086	cf::object::player
2765	player	3087	player
2766		3088
2767	cf::player	3089	cf::player
…		…
2772		3094
2773	=cut	3095	=cut
2774		3096
2775	for (	3097	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3099	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3100	decrease split destroy change_exp value msg lore send_msg)],
2779	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2781	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2782	) {	3104	) {
2783	no strict 'refs';	3105	no strict 'refs';
2784	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2785	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2802	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2803		3125
2804	my $qcode = $code;	3126	my $qcode = $code;
2805	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2806	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2807		3131
2808	local $_;	3132	local $_;
2809	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2810		3134
2811	my $eval =	3135	my $eval =
…		…
2888	{	3212	{
2889	my $faces = $facedata->{faceinfo};	3213	my $faces = $facedata->{faceinfo};
2890		3214
2891	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3217
2893	cf::face::set_visibility $idx, $info->{visibility};	3218	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3219	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897		3222
2898	cf::cede_to_tick;	3223	cf::cede_to_tick;
2899	}	3224	}
2900		3225
2901	while (my ($face, $info) = each %$faces) {	3226	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3227	next unless $info->{smooth};
		3228
2903	my $idx = cf::face::find $face	3229	my $idx = cf::face::find $face
2904	or next;	3230	or next;
		3231
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3232	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3233	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3235	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2927	{	3254	{
2928	# TODO: for gcfclient pleasure, we should give resources	3255	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.	3256	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3257	my $res = $facedata->{resource};
2931		3258
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;	3262	my $data;
2937		3263
2938	if ($info->{type} & 1) {	3264	if ($info->{type} & 1) {
2939	# prepend meta info	3265	# prepend meta info
2940		3266
2941	my $meta = $enc->encode ({	3267	my $meta = $enc->encode ({
2942	name => $name,	3268	name => $name,
2943	%{ $info->{meta} || {} },	3269	%{ $info->{meta} || {} },
2944	});	3270	});
2945		3271
2946	$data = pack "(w/a*)*", $meta, $info->{data};	3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
2947	} else {	3279	} else {
2948	$data = $info->{data};	3280	$RESOURCE{$name} = $info;
2949	}	3281	}
2950		3282
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3283	cf::cede_to_tick;
2955	}	3284	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3288
2976	1	3289	1
2977	}	3290	}
		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
2978		3311
2979	register_exticmd fx_want => sub {	3312	register_exticmd fx_want => sub {
2980	my ($ns, $want) = @_;	3313	my ($ns, $want) = @_;
2981		3314
2982	while (my ($k, $v) = each %$want) {	3315	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3316	$ns->fx_want ($k, $v);
2984	}	3317	}
2985	};	3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
2986		3329
2987	sub reload_regions {	3330	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3331	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3332	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3347	}
3005		3348
3006	sub reload_archetypes {	3349	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3350	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3351	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3352	}
3015		3353
3016	sub reload_treasures {	3354	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3355	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3356	or die "unable to load treasurelists\n";
3019	}	3357	}
3020		3358
3021	sub reload_resources {	3359	sub reload_resources {
3022	warn "reloading resource files...\n";	3360	warn "reloading resource files...\n";
3023		3361
		3362	reload_facedata;
		3363	reload_archetypes;
3024	reload_regions;	3364	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3365	reload_treasures;
3029		3366
3030	warn "finished reloading resource files\n";	3367	warn "finished reloading resource files\n";
3031	}
3032
3033	sub init {
3034	reload_resources;
3035	}	3368	}
3036		3369
3037	sub reload_config {	3370	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
3039	or return;	3372	or return;
3040		3373
3041	local $/;	3374	local $/;
3042	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
3043		3376
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3045		3378
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3053	};	3386	};
3054	warn $@ if $@;	3387	warn $@ if $@;
3055	}	3388	}
3056	}	3389	}
3057		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
3058	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
3059	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3437	(async {
3063	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
3065	};	3441	};
3066		3442
		3443	evthread_start IO::AIO::poll_fileno;
		3444
		3445	cf::sync_job {
		3446	reload_resources;
3067	reload_config;	3447	reload_config;
3068	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
3069	load_extensions;	3461	load_extensions;
3070		3462
3071	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
3072	Event::loop;	3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
3073	}	3473	}
3074		3474
3075	#############################################################################	3475	#############################################################################
3076	# initialisation and cleanup	3476	# initialisation and cleanup
3077		3477
3078	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
3079	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
3088	},
3089	);	3484	};
3090	}	3485	}
3091	}	3486	}
3092		3487
3093	sub write_runtime {	3488	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";
3095
3096	# first touch the runtime file to show we are still running:	3489	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3490	# the fsync below can take a very very long time.
3098		3491
3099	IO::AIO::aio_utime $runtime, undef, undef;	3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3493
3101	my $guard = cf::lock_acquire "write_runtime";	3494	my $guard = cf::lock_acquire "write_runtime";
3102		3495
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3104	or return;	3497	or return;
3105		3498
3106	my $value = $cf::RUNTIME + 90 + 10;	3499	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3500	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3501	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3511	aio_utime $fh, undef, undef;
3119		3512
3120	close $fh	3513	close $fh
3121	or return;	3514	or return;
3122		3515
3123	aio_rename "$runtime~", $runtime	3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3517	and return;
3125		3518
3126	warn "runtime file written.\n";	3519	warn "runtime file written.\n";
3127		3520
3128	1	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
3129	}	3572	}
3130		3573
3131	sub emergency_save() {	3574	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
3133		3576
3134	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
3135		3578
3136	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
3137	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
3138	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
3139	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
3141	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3593	$pl->save;
3145	}	3594	}
3146	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
3147		3596
3148	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
3149	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
3150	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
3151	$map->valid or next;	3600	$map->valid or next;
3152	$map->save;	3601	$map->save;
3153	}	3602	}
3154	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
3155		3604
3156	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
3159	};	3612	};
3160		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
3161	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
3162	}	3620	}
3163		3621
3164	sub post_cleanup {	3622	sub post_cleanup {
3165	my ($make_core) = @_;	3623	my ($make_core) = @_;
3166		3624
3167	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3626	if $make_core;
		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
3169	}	3656	}
3170		3657
3171	sub do_reload_perl() {	3658	sub do_reload_perl() {
3172	# can/must only be called in main	3659	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
3174	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
3175	return;	3662	return;
3176	}	3663	}
3177		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
3178	warn "reloading...";	3670	warn "reloading...";
3179		3671
3180	warn "entering sync_job";	3672	warn "entering sync_job";
3181		3673
3182	cf::sync_job {	3674	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3184	cf::emergency_save;	3676	cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
3186		3678
3187	warn "syncing database to disk";	3679	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
3189		3681
3190	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
3191		3683
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;	3685	while (IO::AIO::nreqs || BDB::nreqs) {
3203	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();
3211
3212	warn "removing commands";
3213	%COMMAND = ();
3214
3215	warn "removing ext/exti commands";
3216	%EXTCMD = ();
3217	%EXTICMD = ();
3218
3219	warn "unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";
3222
3223	if (my $cb = $pkg->can ("unload")) {
3224	eval {
3225	$cb->($pkg);
3226	1
3227	} or warn "$pkg unloaded, but with errors: $@";
3228	}	3687	}
3229		3688
3230	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
3231	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
3232	}	3691	%EXT_CORO = ();
3233		3692
3234	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
3235	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
3238	warn "... unloading $k";	3702	warn "... unloading $pkg";
3239	delete $INC{$k};
3240		3703
3241	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;
3243
3244	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
3245	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
3246	}	3713	}
3247		3714
3248	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
3249	}	3730	}
3250		3731
3251	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		3735
3255	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3258		3739
3259	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
3260	# and global variables created in xs	3741	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
3262		3743
3263	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
3264		3745
3265	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
3266	require cf;	3747	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3268		3749
3269	warn "loading config and database again";	3750	warn "loading config and database again";
3270	cf::reload_config;	3751	cf::reload_config;
3271		3752
3272	warn "loading extensions";	3753	warn "loading extensions";
3273	cf::load_extensions;	3754	cf::load_extensions;
3274		3755
		3756	if ($REATTACH_ON_RELOAD) {
3275	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
3278	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
3281		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
3282	warn "leaving sync_job";	3768	warn "leaving sync_job";
3283		3769
3284	1	3770	1
3285	} or do {	3771	} or do {
3286	warn $@;	3772	warn $@;
3287	warn "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
3288	exit 1;
3289	};	3774	};
3290		3775
3291	warn "reloaded";	3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
3292	};	3782	};
3293		3783
3294	our $RELOAD_WATCHER; # used only during reload	3784	our $RELOAD_WATCHER; # used only during reload
3295		3785
3296	sub reload_perl() {	3786	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	3787	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	3788	# coro crashes during coro_state_free->destroy here.
3299		3789
3300	$RELOAD_WATCHER ||= Event->timer (	3790	$RELOAD_WATCHER ||= cf::async {
3301	reentrant => 0,	3791	Coro::AIO::aio_wait cache_extensions;
3302	after => 0,	3792
3303	data => WF_AUTOCANCEL,	3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3304	cb => sub {
3305	do_reload_perl;	3794	do_reload_perl;
3306	undef $RELOAD_WATCHER;	3795	undef $RELOAD_WATCHER;
3307	},	3796	};
3308	);	3797	};
3309	}	3798	}
3310		3799
3311	register_command "reload" => sub {	3800	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
3313		3802
3314	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
		3805	async {
		3806	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	3807	reload_perl;
		3808	};
3317	}	3809	}
3318	};	3810	};
3319		3811
3320	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
3321		3813
…		…
3323		3815
3324	our @WAIT_FOR_TICK;	3816	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	3817	our @WAIT_FOR_TICK_BEGIN;
3326		3818
3327	sub wait_for_tick {	3819	sub wait_for_tick {
3328	return unless $TICK_WATCHER->is_active;
3329	return if $Coro::current == $Coro::main;	3820	return if tick_inhibit || $Coro::current == $Coro::main;
3330		3821
3331	my $signal = new Coro::Signal;	3822	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	3823	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	3824	$signal->wait;
3334	}	3825	}
3335		3826
3336	sub wait_for_tick_begin {	3827	sub wait_for_tick_begin {
3337	return unless $TICK_WATCHER->is_active;
3338	return if $Coro::current == $Coro::main;	3828	return if tick_inhibit || $Coro::current == $Coro::main;
3339		3829
3340	my $signal = new Coro::Signal;	3830	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	3831	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	3832	$signal->wait;
3343	}	3833	}
3344		3834
3345	my $min = 1e6;#d#	3835	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
3357	return;	3839	return;
3358	}	3840	}
3359		3841
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
3363		3843
3364	0 && sync_job {#d#	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	3846	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3847	$Coro::current->{desc} = "runtime saver";
3368	or die;	3848	write_runtime_sync
3369		3849	or warn "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	3850	};
		3851	}
3386		3852
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	3854	$sig->send;
3403	}	3855	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	3856	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	3857	$sig->send;
3406	}	3858	}
3407		3859
3408	$NOW = Event::time;	3860	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		3862
3419	_post_tick;	3863	if (0) {
3420		3864	if ($NEXT_TICK) {
3421		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
3422	},	3869	}
3423	);	3870	}
3424		3871
3425	{	3872	{
3426	BDB::max_poll_time $TICK * 0.1;	3873	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	3874
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
3436		3876	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	3877	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		3878
3452	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		3886
3455	cf::sync_job {	3887	cf::sync_job {
3456	eval {	3888	eval {
3457	BDB::db_env_open	3889	BDB::db_env_open
3458	$DB_ENV,	3890	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	3894	0666;
3463		3895
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	3897	};
3469		3898
3470	cf::cleanup "db_env_open(db): $@" if $@;	3899	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	3900	};
3472	}	3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
3473	}	3912	}
3474		3913
3475	{	3914	{
		3915	# configure IO::AIO
		3916
3476	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	3919	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	3920	}
3489		3921
3490	my $_log_backtrace;	3922	my $_log_backtrace;
3491		3923
3492	sub _log_backtrace {	3924	sub _log_backtrace {
…		…
3495	$msg =~ s/\n//;	3927	$msg =~ s/\n//;
3496		3928
3497	# limit the # of concurrent backtraces	3929	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	3930	if ($_log_backtrace < 2) {
3499	++$_log_backtrace;	3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
3500	async {	3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
3501	my @bt = fork_call {	3936	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	3937	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	3940	or die "addr2line: $!";
…		…
3513	}	3948	}
3514		3949
3515	@funcs	3950	@funcs
3516	};	3951	};
3517		3952
3518	LOG llevInfo, "[ABT] $msg\n";	3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3519	LOG llevInfo, "[ABT] $_\n" for @bt;	3955	LOG llevInfo, "[ABT] $_\n" for @bt;
3520	--$_log_backtrace;	3956	--$_log_backtrace;
3521	};	3957	};
3522	} else {	3958	} else {
3523	LOG llevInfo, "[ABT] $msg\n";	3959	LOG llevInfo, "[ABT] $msg\n";
3524	LOG llevInfo, "[ABT] [suppressed]\n";	3960	LOG llevInfo, "[ABT] [suppressed]\n";
3525	}	3961	}
3526	}	3962	}
3527		3963
3528	# load additional modules	3964	# load additional modules
3529	use cf::pod;	3965	require "cf/$_.pm" for @EXTRA_MODULES;
3530		3966
3531	END { cf::emergency_save }	3967	END { cf::emergency_save }
3532		3968
3533	1	3969	1
3534		3970

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