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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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 3.61 ();	36	use Coro 4.50 ();
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;
		46	use Coro::Util ();
24		47
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	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
40	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
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$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
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	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
…		…
186	$msg .= "\n"	208	$msg .= "\n"
187	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
188		210
189	$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;
190		212
191	utf8::encode $msg;
192	LOG llevError, $msg;	213	LOG llevError, $msg;
193	};	214	};
194	}	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	$SIG{__DIE__} = sub { }; #d#?
195		231
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
212	)) {	248	)) {
213	no strict 'refs';	249	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	251	}
216		252
217	$Event::DIED = sub {	253	$EV::DIED = sub {
218	warn "error in event callback: @_";	254	warn "error in event callback: @_";
219	};	255	};
220		256
221	#############################################################################	257	#############################################################################
222		258
…		…
245	$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;
246	$d	282	$d
247	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
248	}	284	}
249		285
250	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
251		287
252	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
253		289
254	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
255		291
256	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
257		293
258	=cut	294	=cut
259		295
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		297
262	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
264		300
265	=item cf::lock_wait $string	301	=item cf::lock_wait $string
266		302
267	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
268		304
…		…
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
274	returned.	310	returned.
275		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
276	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
277	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
278		317
279	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
280		319
281	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
282		321
283	=cut	322	=cut
284		323
285	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
286		326
287	sub lock_wait($) {	327	sub lock_wait($) {
288	my ($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#
289		334
290	# wait for lock, if any	335	# wait for lock, if any
291	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	338	Coro::schedule;
…		…
299		344
300	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
301	lock_wait $key;	346	lock_wait $key;
302		347
303	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
304		350
305	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
308	}	355	}
309	}	356	}
310		357
…		…
313		360
314	! ! $LOCK{$key}	361	! ! $LOCK{$key}
315	}	362	}
316		363
317	sub freeze_mainloop {	364	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
319		366
320	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
322	};	428	}
323	$TICK_WATCHER->stop;	429	};
324	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
325	}	441	}
326		442
327	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
328		444
329	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		450
335	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
336		452
337	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
338		454
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	458	acceptable.
343		459
344	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		466
351	sub sync_job(&) {	467	sub sync_job(&) {
352	my ($job) = @_;	468	my ($job) = @_;
353		469
354	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	471	my $time = EV::time;
356		472
357	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
359		475
360	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	477
362	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
363		479
364	my $busy = 1;	480	my $busy = 1;
365	my @res;	481	my @res;
366		482
367	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	485	@res = eval { $job->() };
369	warn $@ if $@;	486	warn $@ if $@;
370	undef $busy;	487	undef $busy;
371	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
372		489
373	while ($busy) {	490	while ($busy) {
374	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
375	}	495	}
		496	}
376		497
377	$time = Event::time - $time;	498	my $time = EV::time - $time;
378		499
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
383		501
384	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
385	} else {	503	} else {
386	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
387		505
…		…
412	=item fork_call { }, $args	530	=item fork_call { }, $args
413		531
414	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
415	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
418		536
419	=cut	537	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		538
430	sub fork_call(&@) {	539	sub fork_call(&@) {
431	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
432		541
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	542	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		545
438	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	547	reset_signals;
452	local $SIG{__WARN__};	548	&$cb
453	local $SIG{__DIE__};	549	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		550
460	eval {	551	wantarray ? @res : $res[-1]
461	close $fh1;	552	}
462		553
463	my @res = eval { $cb->(@args) };	554	=item $coin = coin_from_name $name
464		555
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	556	=cut
466	close $fh2;
467	};
468		557
469	warn $@ if $@;	558	our %coin_alias = (
470	_exit 0;	559	"silver" => "silvercoin",
471	}	560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
472	}	579	}
473		580
474	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
475		582
476	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
479		586
480	Stores the given C<$value> in the family. It can currently store binary	587	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
483	=cut	595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
484		613
485	our $DB;	614	our $DB;
486		615
487	sub db_init {	616	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	617	cf::sync_job {
492	eval {	618	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	619	};
502	}	620	}
503		621
504	sub db_get($$) {	622	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
506		624
…		…
556	if (1) {	674	if (1) {
557	$md5 =	675	$md5 =
558	join "\x00",	676	join "\x00",
559	$processversion,	677	$processversion,
560	map {	678	map {
561	Coro::cede;	679	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	681	} 0.. $#$src;
564		682
565		683
566	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
610	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
612		730
613	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	733	Deliantra).
616		734
617	=over 4	735	=over 4
618		736
619	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
620		738
…		…
902	}	1020	}
903		1021
904	0	1022	0
905	}	1023	}
906		1024
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1026
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1028
911	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
912		1030
…		…
918		1036
919	=cut	1037	=cut
920		1038
921	#############################################################################	1039	#############################################################################
922	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
923		1083
924	sub reattach {	1084	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1086	my ($obj) = @_;
927		1087
…		…
948	cf::attachable->attach (	1108	cf::attachable->attach (
949	prio => -1000000,	1109	prio => -1000000,
950	on_instantiate => sub {	1110	on_instantiate => sub {
951	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
952		1112
953	$data = from_json $data;	1113	$data = decode_json $data;
954		1114
955	for (@$data) {	1115	for (@$data) {
956	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
957		1117
958	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1134	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
976		1136
977	sync_job {	1137	sync_job {
978	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
981		1142
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
986	close $fh;	1147	close $fh;
987		1148
988	if (@$objs) {	1149	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
994	close $fh;	1155	close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
996	}	1157	}
…		…
1004	}	1165	}
1005	} else {	1166	} else {
1006	aio_unlink $filename;	1167	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1008	}	1169	}
1009	}	1170	};
1010	}	1171	}
1011		1172
1012	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1014		1175
…		…
1026	or return;	1187	or return;
1027		1188
1028	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1191	or return;
		1192
1031	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1032	}	1195	}
1033		1196
		1197	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1036	return ($data, $av);	1201	($data, $av)
1037	}	1202	}
1038		1203
1039	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1040		1205
1041	=over 4	1206	=over 4
…		…
1114	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1115		1280
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1282
1118	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1124	} else {	1298	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1300	}
1127		1301
1128	cf::override;	1302	cf::override;
…		…
1181	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1182	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1183		1357
1184	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1185	warn $msg;	1359	warn $msg;
1186	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1187	exit 1;
1188	}	1361	}
1189		1362
1190	warn $msg;	1363	warn $msg;
1191	}	1364	}
1192		1365
…		…
1217	use Coro::AIO;	1390	use Coro::AIO;
1218		1391
1219	=head3 cf::player	1392	=head3 cf::player
1220		1393
1221	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1222		1409
1223	=item cf::player::find $login	1410	=item cf::player::find $login
1224		1411
1225	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1226		1413
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1453
1267	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1270	}	1462	}
1271	}	1463	}
1272	}	1464	}
1273		1465
…		…
1283		1475
1284	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1286		1478
1287	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1288	Coro::cede;	1480	cf::cede_to_tick;
1289	}	1481	}
1290		1482
1291	sub new($) {	1483	sub new($) {
1292	my ($login) = @_;	1484	my ($login) = @_;
1293		1485
…		…
1297	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1298		1490
1299	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1300		1492
1301	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1302	}	1504	}
1303		1505
1304	=item $pl->quit_character	1506	=item $pl->quit_character
1305		1507
1306	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1361	or return [];	1563	or return [];
1362		1564
1363	my @logins;	1565	my @logins;
1364		1566
1365	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1369		1576
1370	utf8::decode $login;	1577	utf8::decode $login;
1371	push @logins, $login;	1578	push @logins, $login;
1372	}	1579	}
1373		1580
…		…
1406		1613
1407	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1408		1615
1409	=cut	1616	=cut
1410		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1411	sub expand_cfpod {	1629	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1413		1631
1414	# escape & and <	1632	my $xml;
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417		1633
1418	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1419		1637
1420	1 while	1638	$group =~ s/&/&amp;/g;
1421	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1422	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1425	# replace G<male|female> tags	1643	([BCGHITU])
1426	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1427	$self->gender ? $2 : $1	1645	(?:
1428	}ge	1646	([^<>]*) (?{ $group = $^N })
1429	# replace H<hint text>	1647	| < $interior >
1430	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1431	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")	1671	"")
1435	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1436	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1437		1683
		1684	for ($xml) {
1438	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1440		1687
1441	# compress some whitespace	1688	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1446		1694
1447	$_	1695	$xml
1448	}	1696	}
		1697
		1698	no re 'eval';
1449		1699
1450	sub hintmode {	1700	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}	1702	$_[0]{hintmode}
1453	}	1703	}
1454		1704
1455	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1456		1706
1457	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1458		1708
1459	=cut	1709	=cut
1460		1710
1461	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1463		1713
1464	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1715	}
1467		1716
1468	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1469		1718
1470	Sends an ext event to the client.	1719	Sends an ext event to the client.
1471		1720
1472	=cut	1721	=cut
1473		1722
1474	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1476		1725
1477	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1478	}	1727	}
1479		1728
1480	=head3 cf::region	1729	=head3 cf::region
1481		1730
1482	=over 4	1731	=over 4
…		…
1526	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1528		1777
1529	sub generate_random_map {	1778	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1531	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1784	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1657		1909
1658	# the temporary/swap location	1910	# the temporary/swap location
1659	sub save_path {	1911	sub save_path {
1660	my ($self) = @_;	1912	my ($self) = @_;
1661		1913
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1664	}	1916	}
1665		1917
1666	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1667	sub uniq_path {	1919	sub uniq_path {
1668	my ($self) = @_;	1920	my ($self) = @_;
1669		1921
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1672	}	1924	}
1673		1925
1674	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1675	# all maps in C++...	1927	# all maps in C++...
…		…
1698		1950
1699	sub load_header_from($) {	1951	sub load_header_from($) {
1700	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1701		1953
1702	utf8::encode $path;	1954	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1708		1963
1709	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1710		1965
1711	1	1966	1
1712	}	1967	}
…		…
1766	sub find {	2021	sub find {
1767	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1768		2023
1769	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1770		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1772		2028
1773	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1775	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1776	or return;	2034	or return;
1777		2035
1778	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1779		2037
…		…
1781	or return;	2039	or return;
1782		2040
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1786	$map->reset;	2046	$map->reset;
1787	undef $guard;
1788	return find $path;	2047	return find $path;
1789	}	2048	}
1790		2049
1791	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1792	}	2051	}
…		…
1801	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1802		2061
1803	my $path = $self->{path};	2062	my $path = $self->{path};
1804		2063
1805	{	2064	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1807		2066
		2067	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2069
1810	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1811		2071
1812	$self->alloc;	2072	$self->alloc;
1813		2073
1814	$self->pre_load;	2074	$self->pre_load;
1815	Coro::cede;	2075	cf::cede_to_tick;
1816		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1818	or return;	2080	or return;
1819		2081
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1821	if delete $self->{load_original};	2083	if delete $self->{load_original};
1822		2084
1823	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2086	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2089	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1828	}	2093	}
1829	}	2094	}
1830		2095
1831	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1832	# now do the right thing for maps	2099	# now do the right thing for maps
1833	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2102	unless $self->difficulty;
1836	Coro::cede;	2103	cf::cede_to_tick;
1837		2104
1838	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2106	$self->decay_objects;
1840	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1841	$self->update_buttons;	2108	$self->update_buttons;
1842	Coro::cede;	2109	cf::cede_to_tick;
1843	$self->set_darkness_map;	2110	$self->set_darkness_map;
1844	Coro::cede;	2111	cf::cede_to_tick;
1845	$self->activate;	2112	$self->activate;
1846	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1847		2117
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1849	}	2119	}
1850		2120
1851	$self->post_load;	2121	$self->post_load;
…		…
1862		2132
1863	$self	2133	$self
1864	}	2134	}
1865		2135
1866	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2137	sub load_neighbours {
1868	my ($map) = @_;	2138	my ($map) = @_;
1869		2139
1870	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1871		2141
1872	for (0 .. 3) {	2142	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1874	or next;	2144	or next;
1875	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1876	or next;	2146	or next;
1877	$neigh->load;	2147	$neigh->load;
1878		2148
		2149	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2152	}
1882		2153
1883	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1885	or next;	2157	or next;
1886	$neigh->load;	2158	$neigh->load;
1887	}	2159	}
1888	}	2160	}
1889		2161
…		…
1894	}	2166	}
1895		2167
1896	sub do_load_sync {	2168	sub do_load_sync {
1897	my ($map) = @_;	2169	my ($map) = @_;
1898		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1899	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1900	}	2175	}
1901		2176
1902	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1904		2179
1905	sub find_async {	2180	sub find_async {
1906	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1907		2182
1908	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1909		2184
1910	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1912	}	2187	}
1913		2188
1914	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1915	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1916	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2196	if (my $map = find $k) {
1919	$map->load;	2197	$map->load if $v;
1920	}	2198	}
1921		2199
1922	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1923	}	2201	}
1924	}	2202	}
1925	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1926	};	2204	};
1927	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1930	}	2208	}
1931		2209
1932	sub save {	2210	sub save {
1933	my ($self) = @_;	2211	my ($self) = @_;
1934		2212
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1936		2214
1937	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1938		2216
1939	return unless $self->dirty;	2217	return unless $self->dirty;
1940		2218
…		…
1946	return if $self->{deny_save};	2224	return if $self->{deny_save};
1947		2225
1948	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1949		2227
1950	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1952	};	2231	};
1953		2232
1954	if ($uniq) {	2233	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1963	my ($self) = @_;	2242	my ($self) = @_;
1964		2243
1965	# save first because save cedes	2244	# save first because save cedes
1966	$self->save;	2245	$self->save;
1967		2246
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2248
1970	return if $self->players;	2249	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};	2251	return if $self->{deny_save};
1973		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1974	$self->clear;	2257	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2258	}
1977		2259
1978	sub reset_at {	2260	sub reset_at {
1979	my ($self) = @_;	2261	my ($self) = @_;
1980		2262
…		…
2012	if $uniq;	2294	if $uniq;
2013	}	2295	}
2014		2296
2015	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2016		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2301	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2302
2021	$self->unlink_save;	2303	$self->unlink_save;
2022	$self->destroy;	2304	$self->destroy;
2023	}	2305	}
2024		2306
2025	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2026		2308
2027	sub nuke {	2309	sub nuke {
2028	my ($self) = @_;	2310	my ($self) = @_;
2029		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2030	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2031		2316
2032	$self->unlink_save;	2317	$self->unlink_save;
2033		2318
2034	bless $self, "cf::map";	2319	bless $self, "cf::map";
2035	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2324
2040	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2041		2327
2042	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2043	}	2329	}
2044		2330
2045	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2087		2373
2088	sub unique_maps() {	2374	sub unique_maps() {
2089	[	2375	[
2090	map {	2376	map {
2091	utf8::decode $_;	2377	utf8::decode $_;
2092	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
2093	? normalise $_	2381	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2383	]
2097	}	2384	}
2098		2385
2099	package cf;
2100
2101	=back	2386	=back
2102		2387
2103	=head3 cf::object	2388	=head3 cf::object
2104		2389
2105	=cut	2390	=cut
…		…
2108		2393
2109	=over 4	2394	=over 4
2110		2395
2111	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
2112		2397
2113	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
2114		2400
2115	=cut	2401	=cut
2116		2402
2117	sub inv_recursive_;	2403	sub inv_recursive_;
2118	sub inv_recursive_ {	2404	sub inv_recursive_ {
2119	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
2120	}	2406	}
2121		2407
2122	sub inv_recursive {	2408	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
2124	}	2438	}
2125		2439
2126	package cf;	2440	package cf;
2127		2441
2128	=back	2442	=back
…		…
2152		2466
2153	} else {	2467	} else {
2154	my $pl = $self->contr;	2468	my $pl = $self->contr;
2155		2469
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2471	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2473
2165	} else {	2474	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
2168	}	2477	}
2169	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
2170	}	2489	}
2171		2490
2172	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
2173		2492
2174	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2253	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2256		2575
2257	$map->load;	2576	$map->load;
2258	$map->load_diag;	2577	$map->load_neighbours;
2259		2578
2260	return unless $self->contr->active;	2579	return unless $self->contr->active;
2261	$self->activate_recursive;	2580	$self->activate_recursive;
2262		2581
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2603
2285	$self->enter_link;	2604	$self->enter_link;
2286		2605
2287	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2288	my $map = eval {	2628	my $map = eval {
2289	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2290		2630
2291	if ($map) {	2631	if ($map) {
2292	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2294	} else {	2634	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2636	}
2297		2637
2298	$map	2638	$map
2299	};	2639	};
2300		2640
…		…
2353	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2354	}	2694	}
2355		2695
2356	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2357		2697
2358	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2359	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2361		2701
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2390	# if exit is damned, update players death & WoR home-position	2730	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)	2731	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);	2732	if $exit->flag (FLAG_DAMNED);
2393		2733
2394	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2395	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2396	unless (eval {	2738	unless (eval {
2397	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2398		2740
2399	1;	2741	1;
…		…
2425		2767
2426	utf8::encode $text;	2768	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2770	}
2429		2771
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2773
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2774	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2775	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2776	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2777	the message unless the client supports the msg packet.
2436		2778
2437	=cut	2779	=cut
2438		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
2439	sub cf::client::send_msg {	2833	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	2834	my ($self, $channel, $msg, $color, @extra) = @_;
2441		2835
2442	$msg = $self->pl->expand_cfpod ($msg);	2836	$msg = $self->pl->expand_cfpod ($msg);
2443		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
2444	return unless @extra || length $msg;	2860	return unless @extra || length $msg;
2445		2861
2446	if ($self->can_msg) {	2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2448	} else {	2869	} else {
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458
2459	if ($color >= 0) {	2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
2460	if (0 && $msg =~ /\[/) {	2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
2462	} else {	2888	} else {
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")	2890	$self->send_packet ("drawinfo $color $msg")
2465	}	2891	}
2466	}	2892	}
2467	}	2893	}
2468	}	2894	}
2469		2895
2470	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2471		2897
2472	Sends an ext event to the client.	2898	Sends an ext event to the client.
2473		2899
2474	=cut	2900	=cut
2475		2901
2476	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2478		2904
2479	return unless $self->extcmd;	2905	if ($self->extcmd == 2) {
2480		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2483	}	2929	}
2484		2930
2485	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2486		2932
2487	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	2988	my ($ns, $buf) = @_;
2543		2989
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		2991
2546	if (ref $msg) {	2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3000	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3001	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
2553	} else {	3007	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3009	}
2556		3010
2557	cf::override;	3011	cf::override;
…		…
2604	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2606		3060
2607	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2608		3062
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2610		3068
2611	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2612		3070
2613	=pod	3071	=pod
2614		3072
2615	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2616		3074
2617	cf::object	3075	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3076	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3077	insert remove name archname title slaying race decrease_ob_nr
2620		3078
2621	cf::object::player	3079	cf::object::player
2622	player	3080	player
2623		3081
2624	cf::player	3082	cf::player
…		…
2629		3087
2630	=cut	3088	=cut
2631		3089
2632	for (	3090	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
2634	insert remove)],	3093	decrease_ob_nr destroy)],
2635	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2637	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2638	) {	3097	) {
2639	no strict 'refs';	3098	no strict 'refs';
…		…
2715	# the server's init and main functions	3174	# the server's init and main functions
2716		3175
2717	sub load_facedata($) {	3176	sub load_facedata($) {
2718	my ($path) = @_;	3177	my ($path) = @_;
2719		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3184
2720	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2721		3186
2722	my $facedata;	3187	my $facedata;
2723	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
2724	or die "$path: $!";	3189	or die "$path: $!";
…		…
2726	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2727		3192
2728	$facedata->{version} == 2	3193	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2731	{	3203	{
2732	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2733		3205
2734	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2736	cf::face::set_visibility $idx, $info->{visibility};	3209	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3210	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2740		3213
2741	cf::cede_to_tick;	3214	cf::cede_to_tick;
2742	}	3215	}
2743		3216
2744	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2746	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2747	or next;	3221	or next;
		3222
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3224	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3226	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2769		3244
2770	{	3245	{
2771	# TODO: for gcfclient pleasure, we should give resources	3246	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.	3247	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3248	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3249
2776	while (my ($name, $info) = each %$res) {	3250	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3251	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
2784		3254
2785	if ($name =~ /\.jpg$/) {	3255	if ($info->{type} & 1) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3256	# prepend meta info
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
2788	} else {	3270	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3271	$RESOURCE{$name} = $info;
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3272	}
2795		3273
2796	cf::cede_to_tick;	3274	cf::cede_to_tick;
2797	}	3275	}
2798	}	3276	}
2799		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2800	1	3280	1
2801	}	3281	}
2802		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2803	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2804	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
2806		3318
2807	for (cf::region::list) {	3319	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3320	$_->{match} = qr/$_->{match}/
…		…
2844		3356
2845	sub init {	3357	sub init {
2846	reload_resources;	3358	reload_resources;
2847	}	3359	}
2848		3360
2849	sub cfg_load {	3361	sub reload_config {
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2851	or return;	3363	or return;
2852		3364
2853	local $/;	3365	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2855		3367
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2857		3369
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2870	sub main {	3382	sub main {
2871	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3386	(async {
2875	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2877	};	3390	};
2878		3391
2879	cfg_load;	3392	reload_config;
2880	db_init;	3393	db_init;
2881	load_extensions;	3394	load_extensions;
2882		3395
2883	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2884	Event::loop;	3398	EV::loop;
2885	}	3399	}
2886		3400
2887	#############################################################################	3401	#############################################################################
2888	# initialisation and cleanup	3402	# initialisation and cleanup
2889		3403
2890	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2891	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2900	},
2901	);	3410	};
2902	}	3411	}
2903	}	3412	}
2904		3413
2905	sub write_runtime {	3414	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3415	my $runtime = "$LOCALDIR/runtime";
2907		3416
2908	# first touch the runtime file to show we are still running:	3417	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3418	# the fsync below can take a very very long time.
2910		3419
…		…
2936	and return;	3445	and return;
2937		3446
2938	warn "runtime file written.\n";	3447	warn "runtime file written.\n";
2939		3448
2940	1	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2941	}	3493	}
2942		3494
2943	sub emergency_save() {	3495	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2945		3497
…		…
2951	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2953	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3509	$pl->save;
2957	}	3510	}
2958	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2959		3512
2960	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2966	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2967		3520
2968	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2971	};	3528	};
2972		3529
2973	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2974	}	3531	}
2975		3532
…		…
2990	warn "reloading...";	3547	warn "reloading...";
2991		3548
2992	warn "entering sync_job";	3549	warn "entering sync_job";
2993		3550
2994	cf::sync_job {	3551	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2996	cf::emergency_save;	3553	cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2998		3555
2999	warn "syncing database to disk";	3556	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
3001		3558
3002	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008		3560
3009	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
3010	for (;;) {	3562	for (;;) {
3011	BDB::flush;	3563	BDB::flush;
3012	IO::AIO::flush;	3564	IO::AIO::flush;
3013	Coro::cede;	3565	Coro::cede_notself;
3014	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";	3567	warn "iterate...";
3016	}	3568	}
3017		3569
3018	++$RELOAD;	3570	++$RELOAD;
…		…
3077	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
3078	require cf;	3630	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3080		3632
3081	warn "loading config and database again";	3633	warn "loading config and database again";
3082	cf::cfg_load;	3634	cf::reload_config;
3083		3635
3084	warn "loading extensions";	3636	warn "loading extensions";
3085	cf::load_extensions;	3637	cf::load_extensions;
3086		3638
3087	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
3094	warn "leaving sync_job";	3646	warn "leaving sync_job";
3095		3647
3096	1	3648	1
3097	} or do {	3649	} or do {
3098	warn $@;	3650	warn $@;
3099	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
3100	exit 1;
3101	};	3652	};
3102		3653
3103	warn "reloaded";	3654	warn "reloaded";
3104	};	3655	};
3105		3656
…		…
3107		3658
3108	sub reload_perl() {	3659	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
3111		3662
3112	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3113	reentrant => 0,
3114	after => 0,
3115	data => WF_AUTOCANCEL,
3116	cb => sub {
3117	do_reload_perl;	3664	do_reload_perl;
3118	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
3119	},
3120	);	3666	};
3121	}	3667	}
3122		3668
3123	register_command "reload" => sub {	3669	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
3125		3671
3126	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	3676	reload_perl;
		3677	};
3129	}	3678	}
3130	};	3679	};
3131		3680
3132	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
3133		3682
…		…
3135		3684
3136	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
3138		3687
3139	sub wait_for_tick {	3688	sub wait_for_tick {
3140	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
3141	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
3142		3691
3143	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	3694	$signal->wait;
3146	}	3695	}
3147		3696
3148	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
3149	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
3150	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
3151		3700
3152	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	3703	$signal->wait;
3155	}	3704	}
3156		3705
3157	my $min = 1e6;#d#	3706	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
3169	return;	3710	return;
3170	}	3711	}
3171		3712
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
3175		3714
3176	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	3717	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
3180	or die;	3719	write_runtime_sync
3181		3720	or warn "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	3721	};
		3722	}
3198		3723
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	3725	$sig->send;
3215	}	3726	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	3728	$sig->send;
3218	}	3729	}
3219		3730
3220	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		3733
3231	_post_tick;	3734	if (0) {
3232		3735	if ($NEXT_TICK) {
3233		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
3234	},	3740	}
3235	);	3741	}
3236		3742
3237	{	3743	{
3238	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	3745
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3248		3747	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		3749
3264	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		3756
3267	cf::sync_job {	3757	cf::sync_job {
3268	eval {	3758	eval {
3269	BDB::db_env_open	3759	BDB::db_env_open
3270	$DB_ENV,	3760	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	3764	0666;
3275		3765
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	3767	};
3281		3768
3282	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	3770	};
3284	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3285	}	3782	}
3286		3783
3287	{	3784	{
		3785	# configure IO::AIO
		3786
3288	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	3790	}
3301		3791
3302	my $_log_backtrace;	3792	my $_log_backtrace;
3303		3793
3304	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3308		3798
3309	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3311	++$_log_backtrace;	3801	++$_log_backtrace;
3312	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3313	my @bt = fork_call {	3805	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	3809	or die "addr2line: $!";

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