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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.413 by root, Sun Apr 6 16:13:20 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.64 ();	36	use Coro 4.32 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
24	use Coro::Util ();	46	use Coro::Util ();
25		47
26	use JSON::XS ();	48	use JSON::XS 2.01 ();
27	use BDB ();	49	use BDB ();
28	use Data::Dumper;	50	use Data::Dumper;
29	use Digest::MD5;	51	use Digest::MD5;
30	use Fcntl;	52	use Fcntl;
31	use YAML::Syck ();	53	use YAML ();
32	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
33	use Time::HiRes;	55	use Time::HiRes;
34	use Compress::LZF;	56	use Compress::LZF;
35	use Digest::MD5 ();	57	use Digest::MD5 ();
36		58
37	# configure various modules to our taste	59	# configure various modules to our taste
38	#	60	#
39	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		64
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		66
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		68
…		…
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
75		93
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	97	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		99
84	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	104	our $DB_ENV;
86		105
87	our %CFG;	106	our %CFG;
88		107
89	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
91		111
92	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
95		115
96	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		118
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
102		123
103	binmode STDOUT;	124	binmode STDOUT;
104	binmode STDERR;	125	binmode STDERR;
105		126
106	# read virtual server time, if available	127	# read virtual server time, if available
…		…
159		180
160	The raw value load value from the last tick.	181	The raw value load value from the last tick.
161		182
162	=item %cf::CFG	183	=item %cf::CFG
163		184
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	186	from wherever your confdir points to.
166		187
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		189
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	208	$msg .= "\n"
188	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
189		210
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		212
192	utf8::encode $msg;
193	LOG llevError, $msg;	213	LOG llevError, $msg;
194	};	214	};
195	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
196		231
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
213	)) {	248	)) {
214	no strict 'refs';	249	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	251	}
217		252
218	$Event::DIED = sub {	253	$EV::DIED = sub {
219	warn "error in event callback: @_";	254	warn "error in event callback: @_";
220	};	255	};
221		256
222	#############################################################################	257	#############################################################################
223		258
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	282	$d
248	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
249	}	284	}
250		285
251	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
252		287
253	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
254		289
255	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
256		291
257	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
258		293
259	=cut	294	=cut
260		295
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		297
263	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
265		300
266	=item cf::lock_wait $string	301	=item cf::lock_wait $string
267		302
268	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
269		304
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
286		321
287	=cut	322	=cut
288		323
289	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
290		326
291	sub lock_wait($) {	327	sub lock_wait($) {
292	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
293		334
294	# wait for lock, if any	335	# wait for lock, if any
295	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	338	Coro::schedule;
…		…
303		344
304	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
305	lock_wait $key;	346	lock_wait $key;
306		347
307	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
308		350
309	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
312	}	355	}
313	}	356	}
314		357
…		…
317		360
318	! ! $LOCK{$key}	361	! ! $LOCK{$key}
319	}	362	}
320		363
321	sub freeze_mainloop {	364	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
323		366
324	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	368	}
326	};	369
327	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
328	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
329	}	383	}
330		384
331	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
332		386
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
346		400
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
349	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
350		406
351	while () {	407	while () {
352	next_job:	408	next_job:
353	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
361	}	417	}
362	}	418	}
363	}	419	}
364		420
365	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	424	$signal->wait;
369	} else {	425	} else {
370	Coro::schedule;	426	Coro::schedule;
371	}	427	}
…		…
394		450
395	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
396		452
397	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
398		454
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	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	456	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	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	458	acceptable.
403		459
404	If it must be done, put the blocking parts into C<sync_job>. This will run	460	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	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		466
411	sub sync_job(&) {	467	sub sync_job(&) {
412	my ($job) = @_;	468	my ($job) = @_;
413		469
414	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	471	my $time = EV::time;
416		472
417	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
419		475
420	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	477
422	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
423		479
424	my $busy = 1;	480	my $busy = 1;
425	my @res;	481	my @res;
426		482
427	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	485	@res = eval { $job->() };
429	warn $@ if $@;	486	warn $@ if $@;
430	undef $busy;	487	undef $busy;
431	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
432		489
433	while ($busy) {	490	while ($busy) {
434	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
435	}	495	}
		496	}
436		497
437	$time = Event::time - $time;	498	my $time = EV::time - $time;
438		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
443		501
444	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
445	} else {	503	} else {
446	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
447		505
…		…
472	=item fork_call { }, $args	530	=item fork_call { }, $args
473		531
474	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
478		536
479	=cut	537	=cut
480		538
481	sub fork_call(&@) {	539	sub fork_call(&@) {
482	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
483		541
484	# we seemingly have to make a local copy of the whole thing,	542	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	543	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	544	# TODO: investigate and fix (likely this will be rather laborious)
487		545
488	my @res = Coro::Util::fork_eval {	546	my @res = Coro::Util::fork_eval {
489	reset_signals;	547	reset_signals;
490	&$cb	548	&$cb
491	}, @args;	549	}, @args;
…		…
500	=item cf::db_put $family => $key => $value	558	=item cf::db_put $family => $key => $value
501		559
502	Stores the given C<$value> in the family. It can currently store binary	560	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).	561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
505	=cut	568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
506		586
507	our $DB;	587	our $DB;
508		588
509	sub db_init {	589	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	590	cf::sync_job {
514	eval {	591	$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	}	592	};
524	}	593	}
525		594
526	sub db_get($$) {	595	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	596	my $key = "$_[0]/$_[1]";
528		597
…		…
632	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
634		703
635	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	706	Deliantra).
638		707
639	=over 4	708	=over 4
640		709
641	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
642		711
…		…
924	}	993	}
925		994
926	0	995	0
927	}	996	}
928		997
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		999
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1001
933	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
934		1003
…		…
940		1009
941	=cut	1010	=cut
942		1011
943	#############################################################################	1012	#############################################################################
944	# object support	1013	# object support
945	#
946		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
947	sub _can_merge {	1048	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1049	my ($ob1, $ob2) = @_;
949		1050
950	local $Storable::canonical = 1;	1051	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1052
954	$fob1 eq $fob2	1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
955	}	1055	}
956		1056
957	sub reattach {	1057	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1059	my ($obj) = @_;
…		…
981	cf::attachable->attach (	1081	cf::attachable->attach (
982	prio => -1000000,	1082	prio => -1000000,
983	on_instantiate => sub {	1083	on_instantiate => sub {
984	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
985		1085
986	$data = from_json $data;	1086	$data = decode_json $data;
987		1087
988	for (@$data) {	1088	for (@$data) {
989	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
990		1090
991	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1107	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
1009		1109
1010	sync_job {	1110	sync_job {
1011	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
1014		1115
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1120	close $fh;
1020		1121
1021	if (@$objs) {	1122	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1128	close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1130	}
…		…
1037	}	1138	}
1038	} else {	1139	} else {
1039	aio_unlink $filename;	1140	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
1041	}	1142	}
1042	}	1143	};
1043	}	1144	}
1044		1145
1045	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
1047		1148
…		…
1059	or return;	1160	or return;
1060		1161
1061	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1164	or return;
		1165
1064	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
1065	}	1168	}
1066		1169
		1170	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1172	$decname, length $data, scalar @{$av || []};
		1173
1069	return ($data, $av);	1174	($data, $av)
1070	}	1175	}
1071		1176
1072	=head2 COMMAND CALLBACKS	1177	=head2 COMMAND CALLBACKS
1073		1178
1074	=over 4	1179	=over 4
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1328	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1329	: "$v->{base}: extension inactive.\n";
1225		1330
1226	if (exists $v->{meta}{mandatory}) {	1331	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1332	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1333	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1334	}
1231		1335
1232	warn $msg;	1336	warn $msg;
1233	}	1337	}
1234		1338
…		…
1259	use Coro::AIO;	1363	use Coro::AIO;
1260		1364
1261	=head3 cf::player	1365	=head3 cf::player
1262		1366
1263	=over 4	1367	=over 4
		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
1264		1382
1265	=item cf::player::find $login	1383	=item cf::player::find $login
1266		1384
1267	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1268		1386
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1426
1309	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1312	}	1435	}
1313	}	1436	}
1314	}	1437	}
1315		1438
…		…
1413	or return [];	1536	or return [];
1414		1537
1415	my @logins;	1538	my @logins;
1416		1539
1417	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1421		1549
1422	utf8::decode $login;	1550	utf8::decode $login;
1423	push @logins, $login;	1551	push @logins, $login;
1424	}	1552	}
1425		1553
…		…
1458		1586
1459	Expand crossfire pod fragments into protocol xml.	1587	Expand crossfire pod fragments into protocol xml.
1460		1588
1461	=cut	1589	=cut
1462		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
1463	sub expand_cfpod {	1602	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;	1603	my ($self, $pod) = @_;
1465		1604
1466	# escape & and <	1605	my $xml;
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469		1606
1470	# this is buggy, it needs to properly take care of nested <'s	1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
1471		1610
1472	1 while	1611	$group =~ s/&/&amp;/g;
1473	# replace B<>, I<>, U<> etc.	1612	$group =~ s/</&lt;/g;
1474	s/B<([^\>]*)>/<b>$1<\/b>/	1613
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/	1614	$xml .= $group;
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/	1615	} elsif ($pod =~ m%\G
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1616	([BCGHITU])
1478	# replace G<male|female> tags	1617	<
1479	|| s{G<([^>|]*)\|([^>]*)>}{	1618	(?:
1480	$self->gender ? $2 : $1	1619	([^<>]*) (?{ $group = $^N })
1481	}ge	1620	| < $interior >
1482	# replace H<hint text>	1621	)
1483	|| s{H<([^\>]*)>}	1622	>
		1623	%gcsx
1484	{	1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")	1644	"")
1488	[$self->{hintmode}]	1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
1489	}ge;	1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
1490		1656
		1657	for ($xml) {
1491	# create single paragraphs (very hackish)	1658	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;	1659	s/(?<=\S)\n(?=\w)/ /g;
1493		1660
1494	# compress some whitespace	1661	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends	1662	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines	1663	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines	1664	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines	1665	s/\n+$//; # ending lines
		1666	}
1499		1667
1500	$_	1668	$xml
1501	}	1669	}
		1670
		1671	no re 'eval';
1502		1672
1503	sub hintmode {	1673	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;	1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}	1675	$_[0]{hintmode}
1506	}	1676	}
…		…
1750		1920
1751	sub load_header_from($) {	1921	sub load_header_from($) {
1752	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1753		1923
1754	utf8::encode $path;	1924	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1760		1933
1761	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1762		1935
1763	1	1936	1
1764	}	1937	}
…		…
1818	sub find {	1991	sub find {
1819	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1820		1993
1821	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1822		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1824		1998
1825	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1827	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1828	or return;	2004	or return;
1829		2005
1830	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1831		2007
…		…
1833	or return;	2009	or return;
1834		2010
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1838	$map->reset;	2016	$map->reset;
1839	undef $guard;
1840	return find $path;	2017	return find $path;
1841	}	2018	}
1842		2019
1843	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1844	}	2021	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1854		2031
1855	my $path = $self->{path};	2032	my $path = $self->{path};
1856		2033
1857	{	2034	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2036
		2037	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2039
1863	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1864		2041
1865	$self->alloc;	2042	$self->alloc;
1866		2043
1867	$self->pre_load;	2044	$self->pre_load;
1868	cf::cede_to_tick;	2045	cf::cede_to_tick;
1869		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1871	or return;	2050	or return;
1872		2051
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1874	if delete $self->{load_original};	2053	if delete $self->{load_original};
1875		2054
1876	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2056	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2059	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1881	}	2063	}
1882	}	2064	}
		2065
		2066	$f->resolve_delayed_derefs;
1883		2067
1884	cf::cede_to_tick;	2068	cf::cede_to_tick;
1885	# now do the right thing for maps	2069	# now do the right thing for maps
1886	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
…		…
1973	}	2157	}
1974		2158
1975	$MAP_PREFETCH{$path} |= $load;	2159	$MAP_PREFETCH{$path} |= $load;
1976		2160
1977	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1978	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2166	if (my $map = find $k) {
1981	$map->load if $v;	2167	$map->load if $v;
1982	}	2168	}
…		…
2008	return if $self->{deny_save};	2194	return if $self->{deny_save};
2009		2195
2010	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
2011		2197
2012	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
2014	};	2201	};
2015		2202
2016	if ($uniq) {	2203	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2031		2218
2032	return if $self->players;	2219	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};	2221	return if $self->{deny_save};
2035		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2227	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2228	}
2039		2229
2040	sub reset_at {	2230	sub reset_at {
2041	my ($self) = @_;	2231	my ($self) = @_;
2042		2232
…		…
2074	if $uniq;	2264	if $uniq;
2075	}	2265	}
2076		2266
2077	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
2078		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2271	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2272
2083	$self->unlink_save;	2273	$self->unlink_save;
2084	$self->destroy;	2274	$self->destroy;
2085	}	2275	}
2086		2276
…		…
2187		2377
2188	sub inv_recursive {	2378	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
2190	}	2380	}
2191		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
		2408	}
		2409
2192	package cf;	2410	package cf;
2193		2411
2194	=back	2412	=back
2195		2413
2196	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2573
2356	$self->enter_link;	2574	$self->enter_link;
2357		2575
2358	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
2359	my $map = eval {	2598	my $map = eval {
2360	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2361		2600
2362	if ($map) {	2601	if ($map) {
2363	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2365	} else {	2604	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2606	}
2368		2607
2369	$map	2608	$map
2370	};	2609	};
2371		2610
…		…
2424	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2425	}	2664	}
2426		2665
2427	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2428		2667
2429	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2430	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2432		2671
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2461	# if exit is damned, update players death & WoR home-position	2700	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)	2701	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);	2702	if $exit->flag (FLAG_DAMNED);
2464		2703
2465	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2466	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2467	unless (eval {	2708	unless (eval {
2468	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2469		2710
2470	1;	2711	1;
…		…
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/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
2523	);	2801	);
2524		2802
2525	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2805
2528	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg);
2529		2807
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2809
2532	# check predefined channels, for the benefit of C	2810	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
2534		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
2535	if (ref $channel) {	2819	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
2540	}	2825	}
2541		2826
2542	$channel = $channel->{id};	2827	$channel = $channel->{id};
2543	}	2828	}
2544		2829
…		…
2756	=pod	3041	=pod
2757		3042
2758	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2759		3044
2760	cf::object	3045	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3046	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3047	insert remove name archname title slaying race decrease_ob_nr
2763		3048
2764	cf::object::player	3049	cf::object::player
2765	player	3050	player
2766		3051
…		…
2773	=cut	3058	=cut
2774		3059
2775	for (	3060	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3062	insert remove inv name archname title slaying race
2778	decrease_ob_nr)],	3063	decrease_ob_nr destroy)],
2779	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2781	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2782	) {	3067	) {
2783	no strict 'refs';	3068	no strict 'refs';
…		…
2888	{	3173	{
2889	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2890		3175
2891	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2893	cf::face::set_visibility $idx, $info->{visibility};	3179	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3180	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3181	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};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897		3183
2898	cf::cede_to_tick;	3184	cf::cede_to_tick;
2899	}	3185	}
2900		3186
2901	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2903	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2904	or next;	3191	or next;
		3192
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3194	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3196	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2927	{	3215	{
2928	# TODO: for gcfclient pleasure, we should give resources	3216	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.	3217	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3218	my $res = $facedata->{resource};
2931		3219
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;	3223	my $data;
2937		3224
2938	if ($info->{type} & 1) {	3225	if ($info->{type} & 1) {
2939	# prepend meta info	3226	# prepend meta info
2940		3227
2941	my $meta = $enc->encode ({	3228	my $meta = $enc->encode ({
2942	name => $name,	3229	name => $name,
2943	%{ $info->{meta} || {} },	3230	%{ $info->{meta} || {} },
2944	});	3231	});
2945		3232
2946	$data = pack "(w/a*)*", $meta, $info->{data};	3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
2947	} else {	3240	} else {
2948	$data = $info->{data};	3241	$RESOURCE{$name} = $info;
2949	}	3242	}
2950		3243
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;	3244	cf::cede_to_tick;
2955	}	3245	}
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	}	3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3249
2976	1	3250	1
2977	}	3251	}
		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
2978		3272
2979	register_exticmd fx_want => sub {	3273	register_exticmd fx_want => sub {
2980	my ($ns, $want) = @_;	3274	my ($ns, $want) = @_;
2981		3275
2982	while (my ($k, $v) = each %$want) {	3276	while (my ($k, $v) = each %$want) {
…		…
3037	sub reload_config {	3331	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
3039	or return;	3333	or return;
3040		3334
3041	local $/;	3335	local $/;
3042	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
3043		3337
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3045		3339
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$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};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3058	sub main {	3352	sub main {
3059	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3356	(async {
3063	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
3065	};	3360	};
3066		3361
3067	reload_config;	3362	reload_config;
3068	db_init;	3363	db_init;
3069	load_extensions;	3364	load_extensions;
3070		3365
3071	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
3072	Event::loop;	3368	EV::loop;
3073	}	3369	}
3074		3370
3075	#############################################################################	3371	#############################################################################
3076	# initialisation and cleanup	3372	# initialisation and cleanup
3077		3373
3078	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
3079	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3378	$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";	3379	cf::cleanup "SIG$signal";
3088	},
3089	);	3380	};
3090	}	3381	}
3091	}	3382	}
3092		3383
3093	sub write_runtime {	3384	sub write_runtime {
3094	my $runtime = "$LOCALDIR/runtime";	3385	my $runtime = "$LOCALDIR/runtime";
…		…
3139	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
3141	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3436	$pl->save;
3145	}	3437	}
3146	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
3147		3439
3148	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
3187	warn "syncing database to disk";	3479	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
3189		3481
3190	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
3191		3483
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";	3484	warn "flushing outstanding aio requests";
3198	for (;;) {	3485	for (;;) {
3199	BDB::flush;	3486	BDB::flush;
3200	IO::AIO::flush;	3487	IO::AIO::flush;
3201	Coro::cede;	3488	Coro::cede_notself;
3202	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
3203	warn "iterate...";	3490	warn "iterate...";
3204	}	3491	}
3205		3492
3206	++$RELOAD;	3493	++$RELOAD;
…		…
3282	warn "leaving sync_job";	3569	warn "leaving sync_job";
3283		3570
3284	1	3571	1
3285	} or do {	3572	} or do {
3286	warn $@;	3573	warn $@;
3287	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
3288	exit 1;
3289	};	3575	};
3290		3576
3291	warn "reloaded";	3577	warn "reloaded";
3292	};	3578	};
3293		3579
…		…
3295		3581
3296	sub reload_perl() {	3582	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
3299		3585
3300	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3301	reentrant => 0,
3302	after => 0,
3303	data => WF_AUTOCANCEL,
3304	cb => sub {
3305	do_reload_perl;	3587	do_reload_perl;
3306	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
3307	},
3308	);	3589	};
3309	}	3590	}
3310		3591
3311	register_command "reload" => sub {	3592	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
3313		3594
3314	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	3599	reload_perl;
		3600	};
3317	}	3601	}
3318	};	3602	};
3319		3603
3320	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
3321		3605
…		…
3323		3607
3324	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
3326		3610
3327	sub wait_for_tick {	3611	sub wait_for_tick {
3328	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
3329	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
3330		3614
3331	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	3617	$signal->wait;
3334	}	3618	}
3335		3619
3336	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
3337	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
3338	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
3339		3623
3340	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	3626	$signal->wait;
3343	}	3627	}
3344		3628
3345	my $min = 1e6;#d#	3629	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) {	3630	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
3357	return;	3633	return;
3358	}	3634	}
3359		3635
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
3363		3637
3364	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	3640	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
3368	or die;	3642	write_runtime
3369		3643	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	};	3644	};
		3645	}
3386		3646
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) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	3648	$sig->send;
3403	}	3649	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	3651	$sig->send;
3406	}	3652	}
3407		3653
3408	$NOW = Event::time;	3654	$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;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		3656
3419	_post_tick;	3657	if (0) {
3420		3658	if ($NEXT_TICK) {
3421		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
3422	},	3663	}
3423	);	3664	}
3424		3665
3425	{	3666	{
3426	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	3668
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;	3669	BDB::min_parallel 8;
3436		3670	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	3671	$Coro::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		3672
3452	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		3679
3455	cf::sync_job {	3680	cf::sync_job {
3456	eval {	3681	eval {
3457	BDB::db_env_open	3682	BDB::db_env_open
3458	$DB_ENV,	3683	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	3687	0666;
3463		3688
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	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	};	3690	};
3469		3691
3470	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	3693	};
3472	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
3473	}	3705	}
3474		3706
3475	{	3707	{
		3708	# configure IO::AIO
		3709
3476	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
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	}	3713	}
3489		3714
3490	my $_log_backtrace;	3715	my $_log_backtrace;
3491		3716
3492	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3496		3721
3497	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3499	++$_log_backtrace;	3724	++$_log_backtrace;
3500	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3501	my @bt = fork_call {	3728	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	3732	or die "addr2line: $!";

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