ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.346 by root, Tue Aug 28 19:38:40 2007 UTC vs.
Revision 1.412 by root, Wed Apr 2 11:13:55 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 1.86;
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
…		…
272	Wait until the given lock is available and then acquires it and returns	307	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,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
275	returned.	310	returned.
276		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
277	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
279		317
280	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
281		319
282	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
283		321
284	=cut	322	=cut
285		323
286	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
287		326
288	sub lock_wait($) {	327	sub lock_wait($) {
289	my ($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#
290		334
291	# wait for lock, if any	335	# wait for lock, if any
292	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	338	Coro::schedule;
…		…
300		344
301	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
302	lock_wait $key;	346	lock_wait $key;
303		347
304	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
305		350
306	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
309	}	355	}
310	}	356	}
311		357
…		…
314		360
315	! ! $LOCK{$key}	361	! ! $LOCK{$key}
316	}	362	}
317		363
318	sub freeze_mainloop {	364	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
320		366
321	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
322	$TICK_WATCHER->start;	368	}
323	};	369
324	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
325	$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
326	}	383	}
327		384
328	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
329		386
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
343		400
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
346	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
347		406
348	while () {	407	while () {
349	next_job:	408	next_job:
350	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
358	}	417	}
359	}	418	}
360	}	419	}
361		420
362	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
363	# 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
364	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	424	$signal->wait;
366	} else {	425	} else {
367	Coro::schedule;	426	Coro::schedule;
368	}	427	}
…		…
391		450
392	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
393		452
394	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
395		454
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	458	acceptable.
400		459
401	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
402	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
…		…
407		466
408	sub sync_job(&) {	467	sub sync_job(&) {
409	my ($job) = @_;	468	my ($job) = @_;
410		469
411	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	471	my $time = EV::time;
413		472
414	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
416		475
417	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	477
419	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
420		479
421	my $busy = 1;	480	my $busy = 1;
422	my @res;	481	my @res;
423		482
424	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	485	@res = eval { $job->() };
426	warn $@ if $@;	486	warn $@ if $@;
427	undef $busy;	487	undef $busy;
428	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
429		489
430	while ($busy) {	490	while ($busy) {
431	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
432	}	495	}
		496	}
433		497
434	$time = Event::time - $time;	498	my $time = EV::time - $time;
435		499
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
440		501
441	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
442	} else {	503	} else {
443	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
444		505
…		…
469	=item fork_call { }, $args	530	=item fork_call { }, $args
470		531
471	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
472	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
475		536
476	=cut	537	=cut
477		538
478	sub fork_call(&@) {	539	sub fork_call(&@) {
479	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
480		541
481	# 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,
482	# otherwise perl prematurely frees the stuff :/	543	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	544	# TODO: investigate and fix (likely this will be rather laborious)
484		545
485	my @res = Coro::Util::fork_eval {	546	my @res = Coro::Util::fork_eval {
486	reset_signals;	547	reset_signals;
487	&$cb	548	&$cb
488	}, @args;	549	}, @args;
…		…
497	=item cf::db_put $family => $key => $value	558	=item cf::db_put $family => $key => $value
498		559
499	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
500	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).
501		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
502	=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	}
503		586
504	our $DB;	587	our $DB;
505		588
506	sub db_init {	589	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	590	cf::sync_job {
511	eval {	591	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	592	};
521	}	593	}
522		594
523	sub db_get($$) {	595	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	596	my $key = "$_[0]/$_[1]";
525		597
…		…
629	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
631		703
632	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	706	Deliantra).
635		707
636	=over 4	708	=over 4
637		709
638	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
639		711
…		…
921	}	993	}
922		994
923	0	995	0
924	}	996	}
925		997
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		999
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1001
930	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
931		1003
…		…
937		1009
938	=cut	1010	=cut
939		1011
940	#############################################################################	1012	#############################################################################
941	# object support	1013	# object support
942	#
943		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
944	sub _can_merge {	1048	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1049	my ($ob1, $ob2) = @_;
946		1050
947	local $Storable::canonical = 1;	1051	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1052
951	$fob1 eq $fob2	1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
952	}	1055	}
953		1056
954	sub reattach {	1057	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1059	my ($obj) = @_;
…		…
978	cf::attachable->attach (	1081	cf::attachable->attach (
979	prio => -1000000,	1082	prio => -1000000,
980	on_instantiate => sub {	1083	on_instantiate => sub {
981	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
982		1085
983	$data = from_json $data;	1086	$data = decode_json $data;
984		1087
985	for (@$data) {	1088	for (@$data) {
986	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
987		1090
988	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1107	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
1006		1109
1007	sync_job {	1110	sync_job {
1008	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
1011		1115
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1120	close $fh;
1017		1121
1018	if (@$objs) {	1122	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1128	close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1130	}
…		…
1034	}	1138	}
1035	} else {	1139	} else {
1036	aio_unlink $filename;	1140	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
1038	}	1142	}
1039	}	1143	};
1040	}	1144	}
1041		1145
1042	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
1044		1148
…		…
1056	or return;	1160	or return;
1057		1161
1058	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1164	or return;
		1165
1061	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
1062	}	1168	}
1063		1169
		1170	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1172	$decname, length $data, scalar @{$av || []};
		1173
1066	return ($data, $av);	1174	($data, $av)
1067	}	1175	}
1068		1176
1069	=head2 COMMAND CALLBACKS	1177	=head2 COMMAND CALLBACKS
1070		1178
1071	=over 4	1179	=over 4
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1328	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1329	: "$v->{base}: extension inactive.\n";
1222		1330
1223	if (exists $v->{meta}{mandatory}) {	1331	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1332	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1333	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1334	}
1228		1335
1229	warn $msg;	1336	warn $msg;
1230	}	1337	}
1231		1338
…		…
1256	use Coro::AIO;	1363	use Coro::AIO;
1257		1364
1258	=head3 cf::player	1365	=head3 cf::player
1259		1366
1260	=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	}
1261		1382
1262	=item cf::player::find $login	1383	=item cf::player::find $login
1263		1384
1264	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1265		1386
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1426
1306	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1309	}	1435	}
1310	}	1436	}
1311	}	1437	}
1312		1438
…		…
1410	or return [];	1536	or return [];
1411		1537
1412	my @logins;	1538	my @logins;
1413		1539
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1418		1549
1419	utf8::decode $login;	1550	utf8::decode $login;
1420	push @logins, $login;	1551	push @logins, $login;
1421	}	1552	}
1422		1553
…		…
1455		1586
1456	Expand crossfire pod fragments into protocol xml.	1587	Expand crossfire pod fragments into protocol xml.
1457		1588
1458	=cut	1589	=cut
1459		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
1460	sub expand_cfpod {	1602	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;	1603	my ($self, $pod) = @_;
1462		1604
1463	# escape & and <	1605	my $xml;
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466		1606
1467	# this is buggy, it needs to properly take care of nested <'s	1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
1468		1610
1469	1 while	1611	$group =~ s/&/&amp;/g;
1470	# replace B<>, I<>, U<> etc.	1612	$group =~ s/</&lt;/g;
1471	s/B<([^\>]*)>/<b>$1<\/b>/	1613
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/	1614	$xml .= $group;
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/	1615	} elsif ($pod =~ m%\G
1474	# replace G<male|female> tags	1616	([BCGHITU])
1475	|| s{G<([^>|]*)\|([^>]*)>}{	1617	<
1476	$self->gender ? $2 : $1	1618	(?:
1477	}ge	1619	([^<>]*) (?{ $group = $^N })
1478	# replace H<hint text>	1620	| < $interior >
1479	|| s{H<([^\>]*)>}	1621	)
		1622	>
		1623	%gcsx
1480	{	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") {
1481	("<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>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")	1644	"")
1484	[$self->{hintmode}]	1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
1485	}ge;	1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
1486		1656
		1657	for ($xml) {
1487	# create single paragraphs (very hackish)	1658	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;	1659	s/(?<=\S)\n(?=\w)/ /g;
1489		1660
1490	# compress some whitespace	1661	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends	1662	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines	1663	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines	1664	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines	1665	s/\n+$//; # ending lines
		1666	}
1495		1667
1496	$_	1668	$xml
1497	}	1669	}
		1670
		1671	no re 'eval';
1498		1672
1499	sub hintmode {	1673	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;	1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}	1675	$_[0]{hintmode}
1502	}	1676	}
…		…
1746		1920
1747	sub load_header_from($) {	1921	sub load_header_from($) {
1748	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1749		1923
1750	utf8::encode $path;	1924	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	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;
1756		1933
1757	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1758		1935
1759	1	1936	1
1760	}	1937	}
…		…
1814	sub find {	1991	sub find {
1815	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1816		1993
1817	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1818		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1820		1998
1821	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1822	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
1823	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1824	or return;	2004	or return;
1825		2005
1826	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1827		2007
…		…
1829	or return;	2009	or return;
1830		2010
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1834	$map->reset;	2016	$map->reset;
1835	undef $guard;
1836	return find $path;	2017	return find $path;
1837	}	2018	}
1838		2019
1839	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1840	}	2021	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1850		2031
1851	my $path = $self->{path};	2032	my $path = $self->{path};
1852		2033
1853	{	2034	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		2036
		2037	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1858		2039
1859	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1860		2041
1861	$self->alloc;	2042	$self->alloc;
1862		2043
1863	$self->pre_load;	2044	$self->pre_load;
1864	cf::cede_to_tick;	2045	cf::cede_to_tick;
1865		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1866	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1867	or return;	2050	or return;
1868		2051
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1870	if delete $self->{load_original};	2053	if delete $self->{load_original};
1871		2054
1872	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2056	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2059	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1877	}	2063	}
1878	}	2064	}
		2065
		2066	$f->resolve_delayed_derefs;
1879		2067
1880	cf::cede_to_tick;	2068	cf::cede_to_tick;
1881	# now do the right thing for maps	2069	# now do the right thing for maps
1882	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
…		…
1969	}	2157	}
1970		2158
1971	$MAP_PREFETCH{$path} |= $load;	2159	$MAP_PREFETCH{$path} |= $load;
1972		2160
1973	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1974	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2166	if (my $map = find $k) {
1977	$map->load if $v;	2167	$map->load if $v;
1978	}	2168	}
…		…
2004	return if $self->{deny_save};	2194	return if $self->{deny_save};
2005		2195
2006	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
2007		2197
2008	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
2010	};	2201	};
2011		2202
2012	if ($uniq) {	2203	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2027		2218
2028	return if $self->players;	2219	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
2030	return if $self->{deny_save};	2221	return if $self->{deny_save};
2031		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
2032	$self->clear;	2227	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2228	}
2035		2229
2036	sub reset_at {	2230	sub reset_at {
2037	my ($self) = @_;	2231	my ($self) = @_;
2038		2232
…		…
2070	if $uniq;	2264	if $uniq;
2071	}	2265	}
2072		2266
2073	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
2074		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2271	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2272
2079	$self->unlink_save;	2273	$self->unlink_save;
2080	$self->destroy;	2274	$self->destroy;
2081	}	2275	}
2082		2276
2083	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
2084		2278
2085	sub nuke {	2279	sub nuke {
2086	my ($self) = @_;	2280	my ($self) = @_;
2087		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
2088	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
2089		2286
2090	$self->unlink_save;	2287	$self->unlink_save;
2091		2288
2092	bless $self, "cf::map";	2289	bless $self, "cf::map";
2093	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2294
2098	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
2099		2297
2100	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
2101	}	2299	}
2102		2300
2103	=item $maps = cf::map::tmp_maps	2301	=item $maps = cf::map::tmp_maps
…		…
2179		2377
2180	sub inv_recursive {	2378	sub inv_recursive {
2181	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
2182	}	2380	}
2183		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
2184	package cf;	2410	package cf;
2185		2411
2186	=back	2412	=back
2187		2413
2188	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2573
2348	$self->enter_link;	2574	$self->enter_link;
2349		2575
2350	(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
2351	my $map = eval {	2598	my $map = eval {
2352	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2353		2600
2354	if ($map) {	2601	if ($map) {
2355	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2357	} else {	2604	} else {
2358	$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);
2359	}	2606	}
2360		2607
2361	$map	2608	$map
2362	};	2609	};
2363		2610
…		…
2416	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2417	}	2664	}
2418		2665
2419	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2420		2667
2421	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2422	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2424		2671
2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2453	# if exit is damned, update players death & WoR home-position	2700	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)	2701	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);	2702	if $exit->flag (FLAG_DAMNED);
2456		2703
2457	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2458	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2459	unless (eval {	2708	unless (eval {
2460	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2461		2710
2462	1;	2711	1;
…		…
2497	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
2498	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2499		2748
2500	=cut	2749	=cut
2501		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		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	},
		2801	);
		2802
2502	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2504		2805
2505	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg);
2506		2807
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
2509	if (ref $channel) {	2819	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
2514	}	2825	}
2515		2826
2516	$channel = $channel->{id};	2827	$channel = $channel->{id};
2517	}	2828	}
2518		2829
…		…
2730	=pod	3041	=pod
2731		3042
2732	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2733		3044
2734	cf::object	3045	cf::object
2735	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
2736	insert remove name archname title slaying race decrease_ob_nr	3047	insert remove name archname title slaying race decrease_ob_nr
2737		3048
2738	cf::object::player	3049	cf::object::player
2739	player	3050	player
2740		3051
…		…
2747	=cut	3058	=cut
2748		3059
2749	for (	3060	for (
2750	["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
2751	insert remove inv name archname title slaying race	3062	insert remove inv name archname title slaying race
2752	decrease_ob_nr)],	3063	decrease_ob_nr destroy)],
2753	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2755	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2756	) {	3067	) {
2757	no strict 'refs';	3068	no strict 'refs';
…		…
2833	# the server's init and main functions	3144	# the server's init and main functions
2834		3145
2835	sub load_facedata($) {	3146	sub load_facedata($) {
2836	my ($path) = @_;	3147	my ($path) = @_;
2837		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3154
2840	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2841		3156
2842	my $facedata;	3157	my $facedata;
…		…
2858	{	3173	{
2859	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2860		3175
2861	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2863	cf::face::set_visibility $idx, $info->{visibility};	3179	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3180	cf::face::set_magicmap $idx, $info->{magicmap};
2865	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};
2866	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};
2867		3183
2868	cf::cede_to_tick;	3184	cf::cede_to_tick;
2869	}	3185	}
2870		3186
2871	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2873	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2874	or next;	3191	or next;
		3192
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3194	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3196	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2897	{	3215	{
2898	# TODO: for gcfclient pleasure, we should give resources	3216	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.	3217	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3218	my $res = $facedata->{resource};
2901		3219
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;	3223	my $data;
2907		3224
2908	if ($info->{type} & 1) {	3225	if ($info->{type} & 1) {
2909	# prepend meta info	3226	# prepend meta info
2910		3227
2911	my $meta = $enc->encode ({	3228	my $meta = $enc->encode ({
2912	name => $name,	3229	name => $name,
2913	%{ $info->{meta} || {} },	3230	%{ $info->{meta} || {} },
2914	});	3231	});
2915		3232
2916	$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};
2917	} else {	3240	} else {
2918	$data = $info->{data};	3241	$RESOURCE{$name} = $info;
2919	}	3242	}
2920		3243
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3244	cf::cede_to_tick;
2925	}	3245	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3249
2946	1	3250	1
2947	}	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	});
2948		3272
2949	register_exticmd fx_want => sub {	3273	register_exticmd fx_want => sub {
2950	my ($ns, $want) = @_;	3274	my ($ns, $want) = @_;
2951		3275
2952	while (my ($k, $v) = each %$want) {	3276	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3277	$ns->fx_want ($k, $v);
2954	}	3278	}
2955	};	3279	};
2956		3280
2957	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2958	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3287	or die "unable to load regions file\n";
2960		3288
2961	for (cf::region::list) {	3289	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3290	$_->{match} = qr/$_->{match}/
…		…
3003	sub reload_config {	3331	sub reload_config {
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
3005	or return;	3333	or return;
3006		3334
3007	local $/;	3335	local $/;
3008	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
3009		3337
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3011		3339
3012	$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};
3013	$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};
…		…
3024	sub main {	3352	sub main {
3025	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
3027	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#
3028	(async {	3356	(async {
3029	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
3031	};	3360	};
3032		3361
3033	reload_config;	3362	reload_config;
3034	db_init;	3363	db_init;
3035	load_extensions;	3364	load_extensions;
3036		3365
3037	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start;
3038	Event::loop;	3368	EV::loop;
3039	}	3369	}
3040		3370
3041	#############################################################################	3371	#############################################################################
3042	# initialisation and cleanup	3372	# initialisation and cleanup
3043		3373
3044	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
3045	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
3054	},
3055	);	3380	};
3056	}	3381	}
3057	}	3382	}
3058		3383
3059	sub write_runtime {	3384	sub write_runtime {
3060	my $runtime = "$LOCALDIR/runtime";	3385	my $runtime = "$LOCALDIR/runtime";
…		…
3105	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
3107	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3436	$pl->save;
3111	}	3437	}
3112	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
3113		3439
3114	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
3153	warn "syncing database to disk";	3479	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
3155		3481
3156	# 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
3157		3483
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
3164	for (;;) {	3485	for (;;) {
3165	BDB::flush;	3486	BDB::flush;
3166	IO::AIO::flush;	3487	IO::AIO::flush;
3167	Coro::cede;	3488	Coro::cede_notself;
3168	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";	3490	warn "iterate...";
3170	}	3491	}
3171		3492
3172	++$RELOAD;	3493	++$RELOAD;
…		…
3248	warn "leaving sync_job";	3569	warn "leaving sync_job";
3249		3570
3250	1	3571	1
3251	} or do {	3572	} or do {
3252	warn $@;	3573	warn $@;
3253	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
3254	exit 1;
3255	};	3575	};
3256		3576
3257	warn "reloaded";	3577	warn "reloaded";
3258	};	3578	};
3259		3579
…		…
3261		3581
3262	sub reload_perl() {	3582	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
3265		3585
3266	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3267	reentrant => 0,
3268	after => 0,
3269	data => WF_AUTOCANCEL,
3270	cb => sub {
3271	do_reload_perl;	3587	do_reload_perl;
3272	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
3273	},
3274	);	3589	};
3275	}	3590	}
3276		3591
3277	register_command "reload" => sub {	3592	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
3279		3594
3280	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	3599	reload_perl;
		3600	};
3283	}	3601	}
3284	};	3602	};
3285		3603
3286	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
3287		3605
…		…
3289		3607
3290	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
3292		3610
3293	sub wait_for_tick {	3611	sub wait_for_tick {
3294	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
3295	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
3296		3614
3297	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	3617	$signal->wait;
3300	}	3618	}
3301		3619
3302	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
3303	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
3304	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
3305		3623
3306	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	3626	$signal->wait;
3309	}	3627	}
3310		3628
3311	my $min = 1e6;#d#	3629	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
3321	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"
3322	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
3323	return;	3633	return;
3324	}	3634	}
3325		3635
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
3329		3637
3330	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332	my $t = Event::time;	3640	Coro::async_pool {
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
3334	or die;	3642	write_runtime
3335		3643	or warn "ERROR: unable to write runtime file: $!";
3336	$map->width (50);
3337	$map->height (50);
3338	$map->alloc;
3339	$map->_load_objects ("/tmp/x.map", 1);
3340	my $t = Event::time - $t;
3341
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	3644	};
		3645	}
3352		3646
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	3648	$sig->send;
3369	}	3649	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	3651	$sig->send;
3372	}	3652	}
3373		3653
3374	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		3656
3385	_post_tick;	3657	if (0) {
3386		3658	if ($NEXT_TICK) {
3387		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
3388	},	3663	}
3389	);	3664	}
3390		3665
3391	{	3666	{
3392	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	3668
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
3402		3670	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		3672
3418	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3419	$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);
3420		3679
3421	cf::sync_job {	3680	cf::sync_job {
3422	eval {	3681	eval {
3423	BDB::db_env_open	3682	BDB::db_env_open
3424	$DB_ENV,	3683	$DB_ENV,
…		…
3426	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
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	3687	0666;
3429		3688
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	3690	};
3435		3691
3436	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	3693	};
3438	}	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	};
3439	}	3705	}
3440		3706
3441	{	3707	{
		3708	# configure IO::AIO
		3709
3442	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	3713	}
3455		3714
3456	my $_log_backtrace;	3715	my $_log_backtrace;
3457		3716
3458	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3462		3721
3463	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	3724	++$_log_backtrace;
3466	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3467	my @bt = fork_call {	3728	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	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 |"
3471	or die "addr2line: $!";	3732	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines