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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 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;
		57	use Digest::MD5 ();
34		58
35	# configure various modules to our taste	59	# configure various modules to our taste
36	#	60	#
37	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
38	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
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45		64
46	$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
47		66
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		68
…		…
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
73		93
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	97	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		99
82	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	104	our $DB_ENV;
84		105
85	our %CFG;	106	our %CFG;
86		107
87	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
89		111
90	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
93		115
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		118
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
100		123
101	binmode STDOUT;	124	binmode STDOUT;
102	binmode STDERR;	125	binmode STDERR;
103		126
104	# read virtual server time, if available	127	# read virtual server time, if available
…		…
157		180
158	The raw value load value from the last tick.	181	The raw value load value from the last tick.
159		182
160	=item %cf::CFG	183	=item %cf::CFG
161		184
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	186	from wherever your confdir points to.
164		187
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		189
167	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
168	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
171	=back	200	=back
172		201
173	=cut	202	=cut
174		203
175	BEGIN {	204	BEGIN {
…		…
179	$msg .= "\n"	208	$msg .= "\n"
180	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
181		210
182	$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;
183		212
184	utf8::encode $msg;
185	LOG llevError, $msg;	213	LOG llevError, $msg;
186	};	214	};
187	}	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	$SIG{__DIE__} = sub { }; #d#?
188		231
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
205	)) {	248	)) {
206	no strict 'refs';	249	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	251	}
209		252
210	$Event::DIED = sub {	253	$EV::DIED = sub {
211	warn "error in event callback: @_";	254	warn "error in event callback: @_";
212	};	255	};
213		256
214	#############################################################################	257	#############################################################################
215		258
…		…
238	$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;
239	$d	282	$d
240	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
241	}	284	}
242		285
243	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
244		287
245	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
246		289
247	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
248		291
249	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
250		293
251	=cut	294	=cut
252		295
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		297
255	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
257		300
258	=item cf::lock_wait $string	301	=item cf::lock_wait $string
259		302
260	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
261		304
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
267	returned.	310	returned.
268		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
269	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
270	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
271		317
272	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
273		319
274	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
275		321
276	=cut	322	=cut
277		323
278	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
279		326
280	sub lock_wait($) {	327	sub lock_wait($) {
281	my ($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#
282		334
283	# wait for lock, if any	335	# wait for lock, if any
284	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	338	Coro::schedule;
…		…
292		344
293	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
294	lock_wait $key;	346	lock_wait $key;
295		347
296	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
297		350
298	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
301	}	355	}
302	}	356	}
303		357
…		…
306		360
307	! ! $LOCK{$key}	361	! ! $LOCK{$key}
308	}	362	}
309		363
310	sub freeze_mainloop {	364	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
312		366
313	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
314	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
315	};	428	}
316	$TICK_WATCHER->stop;	429	};
317	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
318	}	441	}
319		442
320	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
321		444
322	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		450
328	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
329		452
330	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
331		454
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	458	acceptable.
336		459
337	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		466
344	sub sync_job(&) {	467	sub sync_job(&) {
345	my ($job) = @_;	468	my ($job) = @_;
346		469
347	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	471	my $time = EV::time;
349		472
350	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
352		475
353	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	477
355	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
356		479
357	my $busy = 1;	480	my $busy = 1;
358	my @res;	481	my @res;
359		482
360	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	485	@res = eval { $job->() };
362	warn $@ if $@;	486	warn $@ if $@;
363	undef $busy;	487	undef $busy;
364	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
365		489
366	while ($busy) {	490	while ($busy) {
367	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
368	}	495	}
		496	}
369		497
370	$time = Event::time - $time;	498	my $time = EV::time - $time;
371		499
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
376		501
377	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
378	} else {	503	} else {
379	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
380		505
…		…
405	=item fork_call { }, $args	530	=item fork_call { }, $args
406		531
407	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
411		536
412	=cut	537	=cut
413		538
414	sub fork_call(&@) {	539	sub fork_call(&@) {
415	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
416		541
417	# 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,
418	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		545
422	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	547	reset_signals;
435	local $SIG{__WARN__};	548	&$cb
436	local $SIG{__DIE__};	549	}, @args;
437	eval {
438	close $fh1;
439		550
440	my @res = eval { $cb->(@args) };	551	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	552	}
442	};
443		553
444	warn $@ if $@;	554	=item $coin = coin_from_name $name
445	_exit 0;	555
446	}	556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		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
447	}	579	}
448		580
449	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
450		582
451	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
454		586
455	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
456	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).
457		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
458	=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	}
459		613
460	our $DB;	614	our $DB;
461		615
462	sub db_init {	616	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	617	cf::sync_job {
467	eval {	618	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	619	};
477	}	620	}
478		621
479	sub db_get($$) {	622	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
481		624
…		…
531	if (1) {	674	if (1) {
532	$md5 =	675	$md5 =
533	join "\x00",	676	join "\x00",
534	$processversion,	677	$processversion,
535	map {	678	map {
536	Coro::cede;	679	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	681	} 0.. $#$src;
539		682
540		683
541	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
585	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")
586	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
587		730
588	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>
589	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
590	Crossfire TRT).	733	Deliantra).
591		734
592	=over 4	735	=over 4
593		736
594	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
595		738
…		…
847	";	990	";
848	die if $@;	991	die if $@;
849	}	992	}
850		993
851	our $override;	994	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		996
854	sub override {	997	sub override {
855	$override = 1;	998	$override = 1;
856	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
857	}	1000	}
858		1001
859	sub do_invoke {	1002	sub do_invoke {
860	my $event = shift;	1003	my $event = shift;
861	my $callbacks = shift;	1004	my $callbacks = shift;
862		1005
863	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
864		1007
865	local $override;	1008	local $override;
866		1009
867	for (@$callbacks) {	1010	for (@$callbacks) {
868	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
877	}	1020	}
878		1021
879	0	1022	0
880	}	1023	}
881		1024
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1026
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1028
886	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
887		1030
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1034
892	=back	1035	=back
893		1036
894	=cut	1037	=cut
895		1038
896	#############################################################################	1039	#############################################################################
897	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
898		1083
899	sub reattach {	1084	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1086	my ($obj) = @_;
902		1087
…		…
923	cf::attachable->attach (	1108	cf::attachable->attach (
924	prio => -1000000,	1109	prio => -1000000,
925	on_instantiate => sub {	1110	on_instantiate => sub {
926	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
927		1112
928	$data = from_json $data;	1113	$data = decode_json $data;
929		1114
930	for (@$data) {	1115	for (@$data) {
931	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
932		1117
933	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1134	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
951		1136
952	sync_job {	1137	sync_job {
953	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
956		1142
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1147	close $fh;
962		1148
963	if (@$objs) {	1149	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1155	close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
971	}	1157	}
…		…
979	}	1165	}
980	} else {	1166	} else {
981	aio_unlink $filename;	1167	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
983	}	1169	}
984	}	1170	};
985	}	1171	}
986		1172
987	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
989		1175
…		…
1001	or return;	1187	or return;
1002		1188
1003	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1191	or return;
		1192
1006	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1007	}	1195	}
1008		1196
		1197	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1011	return ($data, $av);	1201	($data, $av)
1012	}	1202	}
1013		1203
1014	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1015		1205
1016	=over 4	1206	=over 4
…		…
1089	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1090		1280
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1282
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1099	} else {	1298	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1300	}
1102		1301
1103	cf::override;	1302	cf::override;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1158		1357
1159	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1359	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1361	}
1164		1362
1165	warn $msg;	1363	warn $msg;
1166	}	1364	}
1167		1365
…		…
1192	use Coro::AIO;	1390	use Coro::AIO;
1193		1391
1194	=head3 cf::player	1392	=head3 cf::player
1195		1393
1196	=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	}
1197		1409
1198	=item cf::player::find $login	1410	=item cf::player::find $login
1199		1411
1200	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1201		1413
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1453
1242	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1245	}	1462	}
1246	}	1463	}
1247	}	1464	}
1248		1465
…		…
1258		1475
1259	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1261		1478
1262	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1263	Coro::cede;	1480	cf::cede_to_tick;
1264	}	1481	}
1265		1482
1266	sub new($) {	1483	sub new($) {
1267	my ($login) = @_;	1484	my ($login) = @_;
1268		1485
…		…
1272	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1273		1490
1274	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1275		1492
1276	$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 (@_);
1277	}	1504	}
1278		1505
1279	=item $pl->quit_character	1506	=item $pl->quit_character
1280		1507
1281	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
…		…
1336	or return [];	1563	or return [];
1337		1564
1338	my @logins;	1565	my @logins;
1339		1566
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1344		1576
1345	utf8::decode $login;	1577	utf8::decode $login;
1346	push @logins, $login;	1578	push @logins, $login;
1347	}	1579	}
1348		1580
…		…
1381		1613
1382	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1383		1615
1384	=cut	1616	=cut
1385		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
1386	sub expand_cfpod {	1629	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1388		1631
1389	# escape & and <	1632	my $xml;
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392		1633
1393	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1394		1637
1395	1 while	1638	$group =~ s/&/&amp;/g;
1396	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1397	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1400	# replace G<male|female> tags	1643	([BCGHITU])
1401	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1402	$self->gender ? $2 : $1	1645	(?:
1403	}ge	1646	([^<>]*) (?{ $group = $^N })
1404	# replace H<hint text>	1647	| < $interior >
1405	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1406	{	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") {
1407	("<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>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")	1671	"")
1410	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1411	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1412		1683
		1684	for ($xml) {
1413	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1415		1687
1416	# compress some whitespace	1688	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1421		1694
1422	$_	1695	$xml
1423	}	1696	}
		1697
		1698	no re 'eval';
1424		1699
1425	sub hintmode {	1700	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}	1702	$_[0]{hintmode}
1428	}	1703	}
1429		1704
1430	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1431		1706
1432	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1433		1708
1434	=cut	1709	=cut
1435		1710
1436	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1438		1713
1439	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1715	}
1442		1716
1443	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1444		1718
1445	Sends an ext event to the client.	1719	Sends an ext event to the client.
1446		1720
1447	=cut	1721	=cut
1448		1722
1449	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1451		1725
1452	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1453	}	1727	}
1454		1728
1455	=head3 cf::region	1729	=head3 cf::region
1456		1730
1457	=over 4	1731	=over 4
…		…
1470	my ($path) = @_;	1744	my ($path) = @_;
1471		1745
1472	my ($match, $specificity);	1746	my ($match, $specificity);
1473		1747
1474	for my $region (list) {	1748	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1478	}	1752	}
1479	}	1753	}
1480		1754
…		…
1501	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1503		1777
1504	sub generate_random_map {	1778	sub generate_random_map {
1505	my ($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
1506	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1784	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1601	return $self;	1878	return $self;
1602	}	1879	}
1603	}	1880	}
1604		1881
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1883	()
1607	}	1884	}
1608		1885
1609	sub init {	1886	sub init {
1610	my ($self) = @_;	1887	my ($self) = @_;
…		…
1673		1950
1674	sub load_header_from($) {	1951	sub load_header_from($) {
1675	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1676		1953
1677	utf8::encode $path;	1954	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	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;
1683		1963
1684	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1685		1965
1686	1	1966	1
1687	}	1967	}
…		…
1741	sub find {	2021	sub find {
1742	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1743		2023
1744	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1745		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1747		2028
1748	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1749	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
1750	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1751	or return;	2034	or return;
1752		2035
1753	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1754		2037
…		…
1756	or return;	2039	or return;
1757		2040
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1761	$map->reset;	2046	$map->reset;
1762	undef $guard;
1763	return find $path;	2047	return find $path;
1764	}	2048	}
1765		2049
1766	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1767	}	2051	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1777		2061
1778	my $path = $self->{path};	2062	my $path = $self->{path};
1779		2063
1780	{	2064	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1782		2066
		2067	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2069
1785	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1786		2071
1787	$self->alloc;	2072	$self->alloc;
1788		2073
1789	$self->pre_load;	2074	$self->pre_load;
1790	Coro::cede;	2075	cf::cede_to_tick;
1791		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1793	or return;	2080	or return;
1794		2081
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1796	if delete $self->{load_original};	2083	if delete $self->{load_original};
1797		2084
1798	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2086	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2089	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1803	}	2093	}
1804	}	2094	}
1805		2095
1806	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1807	# now do the right thing for maps	2099	# now do the right thing for maps
1808	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2102	unless $self->difficulty;
1811	Coro::cede;	2103	cf::cede_to_tick;
1812		2104
1813	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2106	$self->decay_objects;
1815	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1816	$self->update_buttons;	2108	$self->update_buttons;
1817	Coro::cede;	2109	cf::cede_to_tick;
1818	$self->set_darkness_map;	2110	$self->set_darkness_map;
1819	Coro::cede;	2111	cf::cede_to_tick;
1820	$self->activate;	2112	$self->activate;
1821	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1822		2117
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1824	}	2119	}
1825		2120
1826	$self->post_load;	2121	$self->post_load;
…		…
1837		2132
1838	$self	2133	$self
1839	}	2134	}
1840		2135
1841	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2137	sub load_neighbours {
1843	my ($map) = @_;	2138	my ($map) = @_;
1844		2139
1845	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1846		2141
1847	for (0 .. 3) {	2142	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1849	or next;	2144	or next;
1850	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1851	or next;	2146	or next;
1852	$neigh->load;	2147	$neigh->load;
1853		2148
		2149	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2152	}
1857		2153
1858	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1860	or next;	2157	or next;
1861	$neigh->load;	2158	$neigh->load;
1862	}	2159	}
1863	}	2160	}
1864		2161
…		…
1869	}	2166	}
1870		2167
1871	sub do_load_sync {	2168	sub do_load_sync {
1872	my ($map) = @_;	2169	my ($map) = @_;
1873		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1874	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1875	}	2175	}
1876		2176
1877	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1879		2179
1880	sub find_async {	2180	sub find_async {
1881	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1882		2182
1883	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1884		2184
1885	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1887	}	2187	}
1888		2188
1889	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1890	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1891	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2196	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2197	$map->load if $v;
		2198	}
1896		2199
1897	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1898	}	2201	}
1899	}	2202	}
1900	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1901	};	2204	};
1902	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2208	}
1906		2209
1907	sub save {	2210	sub save {
1908	my ($self) = @_;	2211	my ($self) = @_;
1909		2212
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2214
1912	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1913		2216
1914	return unless $self->dirty;	2217	return unless $self->dirty;
1915		2218
…		…
1921	return if $self->{deny_save};	2224	return if $self->{deny_save};
1922		2225
1923	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1924		2227
1925	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1927	};	2231	};
1928		2232
1929	if ($uniq) {	2233	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1938	my ($self) = @_;	2242	my ($self) = @_;
1939		2243
1940	# save first because save cedes	2244	# save first because save cedes
1941	$self->save;	2245	$self->save;
1942		2246
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2248
1945	return if $self->players;	2249	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};	2251	return if $self->{deny_save};
1948		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2257	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2258	}
1952		2259
1953	sub reset_at {	2260	sub reset_at {
1954	my ($self) = @_;	2261	my ($self) = @_;
1955		2262
…		…
1987	if $uniq;	2294	if $uniq;
1988	}	2295	}
1989		2296
1990	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1991		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2301	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2302
1996	$self->unlink_save;	2303	$self->unlink_save;
1997	$self->destroy;	2304	$self->destroy;
1998	}	2305	}
1999		2306
2000	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2001		2308
2002	sub nuke {	2309	sub nuke {
2003	my ($self) = @_;	2310	my ($self) = @_;
2004		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2005	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2006		2316
2007	$self->unlink_save;	2317	$self->unlink_save;
2008		2318
2009	bless $self, "cf::map";	2319	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2324
2015	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2016		2327
2017	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2018	}	2329	}
2019		2330
2020	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2069	: ()	2380	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2381	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2382	]
2072	}	2383	}
2073		2384
2074	package cf;
2075
2076	=back	2385	=back
2077		2386
2078	=head3 cf::object	2387	=head3 cf::object
2079		2388
2080	=cut	2389	=cut
…		…
2094	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
2095	}	2404	}
2096		2405
2097	sub inv_recursive {	2406	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
2099	}	2436	}
2100		2437
2101	package cf;	2438	package cf;
2102		2439
2103	=back	2440	=back
…		…
2127		2464
2128	} else {	2465	} else {
2129	my $pl = $self->contr;	2466	my $pl = $self->contr;
2130		2467
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2469	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2471
2140	} else {	2472	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
2143	}	2475	}
2144	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
2145	}	2487	}
2146		2488
2147	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
2148		2490
2149	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
2231		2573
2232	$map->load;	2574	$map->load;
2233	$map->load_diag;	2575	$map->load_neighbours;
2234		2576
2235	return unless $self->contr->active;	2577	return unless $self->contr->active;
2236	$self->activate_recursive;	2578	$self->activate_recursive;
2237		2579
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
2240	}	2582	}
2241		2583
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2585
2244	Moves the player to the given map-path and coordinates by first freezing	2586	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2587	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2588	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2589	the new (success) or old (failed) map position. In either case, $done will
		2590	be called at the end of this process.
2248		2591
2249	=cut	2592	=cut
2250		2593
2251	our $GOTOGEN;	2594	our $GOTOGEN;
2252		2595
2253	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2598
2256	# do generation counting so two concurrent goto's will be executed in-order	2599	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2601
2259	$self->enter_link;	2602	$self->enter_link;
2260		2603
2261	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
2262	my $map = eval {	2626	my $map = eval {
2263	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
2264		2628
2265	if ($map) {	2629	if ($map) {
2266	$map = $map->customise_for ($self);	2630	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2631	$map = $check->($map) if $check && $map;
2268	} else {	2632	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2634	}
2271		2635
2272	$map	2636	$map
2273	};	2637	};
2274		2638
…		…
2279		2643
2280	if ($gen == $self->{_goto_generation}) {	2644	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2645	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
2283	}	2647	}
		2648
		2649	$done->() if $done;
2284	})->prio (1);	2650	})->prio (1);
2285	}	2651	}
2286		2652
2287	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
2288		2654
…		…
2325	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2326	}	2692	}
2327		2693
2328	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2329		2695
2330	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2331	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2333		2699
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2357	my $hp = $exit->stats->hp;	2723	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;	2724	my $sp = $exit->stats->sp;
2359		2725
2360	$self->enter_link;	2726	$self->enter_link;
2361		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
2362	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2363	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2364	unless (eval {	2736	unless (eval {
2365	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2366		2738
2367	1;	2739	1;
…		…
2393		2765
2394	utf8::encode $text;	2766	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2768	}
2397		2769
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2771
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2772	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2773	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2774	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2775	the message unless the client supports the msg packet.
2404		2776
2405	=cut	2777	=cut
2406		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
2407	sub cf::client::send_msg {	2831	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2832	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2833
2410	$msg = $self->pl->expand_cfpod ($msg);	2834	$msg = $self->pl->expand_cfpod ($msg);
2411		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
2412	return unless @extra || length $msg;	2858	return unless @extra || length $msg;
2413		2859
2414	if ($self->can_msg) {	2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2416	} else {	2867	} else {
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426
2427	if ($color >= 0) {	2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
2428	if (0 && $msg =~ /\[/) {	2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2430	} else {	2886	} else {
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")	2888	$self->send_packet ("drawinfo $color $msg")
2433	}	2889	}
2434	}	2890	}
2435	}	2891	}
2436	}	2892	}
2437		2893
2438	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2439		2895
2440	Sends an ext event to the client.	2896	Sends an ext event to the client.
2441		2897
2442	=cut	2898	=cut
2443		2899
2444	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2446		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
2449	}	2927	}
2450		2928
2451	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2452		2930
2453	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	2986	my ($ns, $buf) = @_;
2509		2987
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		2989
2512	if (ref $msg) {	2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2998	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	2999	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
2519	} else {	3005	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3007	}
2522		3008
2523	cf::override;	3009	cf::override;
…		…
2570	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2572		3058
2573	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2574		3060
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2576		3066
2577	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2578		3068
2579	=pod	3069	=pod
2580		3070
2581	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2582		3072
2583	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2584	cf::object::player player	3077	cf::object::player
2585	cf::player peaceful	3078	player
2586	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2587		3085
2588	=cut	3086	=cut
2589		3087
2590	for (	3088	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2592	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2594	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2595	) {	3095	) {
2596	no strict 'refs';	3096	no strict 'refs';
…		…
2672	# the server's init and main functions	3172	# the server's init and main functions
2673		3173
2674	sub load_facedata($) {	3174	sub load_facedata($) {
2675	my ($path) = @_;	3175	my ($path) = @_;
2676		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3182
2677	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2678		3184
2679	my $facedata;	3185	my $facedata;
2680	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
2681	or die "$path: $!";	3187	or die "$path: $!";
…		…
2683	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2684		3190
2685	$facedata->{version} == 2	3191	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2688	{	3201	{
2689	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2690		3203
2691	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2696	Coro::cede;	3211
		3212	cf::cede_to_tick;
2697	}	3213	}
2698		3214
2699	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2701	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2702	or next;	3219	or next;
		3220
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3224	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3226	}
2708	Coro::cede;	3227
		3228	cf::cede_to_tick;
2709	}	3229	}
2710	}	3230	}
2711		3231
2712	{	3232	{
2713	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2714		3234
2715	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3237	cf::cede_to_tick;
2718	}	3238	}
2719		3239
2720	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2721	}	3241	}
2722		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2723	1	3278	1
2724	}	3279	}
2725		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
2726	sub reload_regions {	3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
2727	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
2729	}	3321	}
2730		3322
2731	sub reload_facedata {	3323	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3324	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3325	or die "unable to load facedata\n";
…		…
2762		3354
2763	sub init {	3355	sub init {
2764	reload_resources;	3356	reload_resources;
2765	}	3357	}
2766		3358
2767	sub cfg_load {	3359	sub reload_config {
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2769	or return;	3361	or return;
2770		3362
2771	local $/;	3363	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2773		3365
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2775		3367
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2788	sub main {	3380	sub main {
2789	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3384	(async {
2793	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2795	};	3388	};
2796		3389
2797	cfg_load;	3390	reload_config;
2798	db_init;	3391	db_init;
2799	load_extensions;	3392	load_extensions;
2800		3393
2801	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2802	Event::loop;	3396	EV::loop;
2803	}	3397	}
2804		3398
2805	#############################################################################	3399	#############################################################################
2806	# initialisation and cleanup	3400	# initialisation and cleanup
2807		3401
2808	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2809	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2818	},
2819	);	3408	};
2820	}	3409	}
2821	}	3410	}
2822		3411
2823	sub write_runtime {	3412	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3413	my $runtime = "$LOCALDIR/runtime";
2825		3414
2826	# first touch the runtime file to show we are still running:	3415	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3416	# the fsync below can take a very very long time.
2828		3417
…		…
2854	and return;	3443	and return;
2855		3444
2856	warn "runtime file written.\n";	3445	warn "runtime file written.\n";
2857		3446
2858	1	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2859	}	3491	}
2860		3492
2861	sub emergency_save() {	3493	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2863		3495
…		…
2869	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2871	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3507	$pl->save;
2875	}	3508	}
2876	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2877		3510
2878	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2884	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2885		3518
2886	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2889	};	3526	};
2890		3527
2891	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2892	}	3529	}
2893		3530
…		…
2908	warn "reloading...";	3545	warn "reloading...";
2909		3546
2910	warn "entering sync_job";	3547	warn "entering sync_job";
2911		3548
2912	cf::sync_job {	3549	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2914	cf::emergency_save;	3551	cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2916		3553
2917	warn "syncing database to disk";	3554	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2919		3556
2920	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926		3558
2927	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2928	for (;;) {	3560	for (;;) {
2929	BDB::flush;	3561	BDB::flush;
2930	IO::AIO::flush;	3562	IO::AIO::flush;
2931	Coro::cede;	3563	Coro::cede_notself;
2932	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";	3565	warn "iterate...";
2934	}	3566	}
2935		3567
2936	++$RELOAD;	3568	++$RELOAD;
…		…
2995	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2996	require cf;	3628	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2998		3630
2999	warn "loading config and database again";	3631	warn "loading config and database again";
3000	cf::cfg_load;	3632	cf::reload_config;
3001		3633
3002	warn "loading extensions";	3634	warn "loading extensions";
3003	cf::load_extensions;	3635	cf::load_extensions;
3004		3636
3005	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
3012	warn "leaving sync_job";	3644	warn "leaving sync_job";
3013		3645
3014	1	3646	1
3015	} or do {	3647	} or do {
3016	warn $@;	3648	warn $@;
3017	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
3018	exit 1;
3019	};	3650	};
3020		3651
3021	warn "reloaded";	3652	warn "reloaded";
3022	};	3653	};
3023		3654
…		…
3025		3656
3026	sub reload_perl() {	3657	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
3029		3660
3030	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3031	reentrant => 0,
3032	after => 0,
3033	data => WF_AUTOCANCEL,
3034	cb => sub {
3035	do_reload_perl;	3662	do_reload_perl;
3036	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
3037	},
3038	);	3664	};
3039	}	3665	}
3040		3666
3041	register_command "reload" => sub {	3667	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
3043		3669
3044	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	3674	reload_perl;
		3675	};
3047	}	3676	}
3048	};	3677	};
3049		3678
3050	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
3051		3680
…		…
3053		3682
3054	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
3056		3685
3057	sub wait_for_tick {	3686	sub wait_for_tick {
3058	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
3059	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
3060		3689
3061	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	3692	$signal->wait;
3064	}	3693	}
3065		3694
3066	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
3067	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
3068	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
3069		3698
3070	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	3701	$signal->wait;
3073	}	3702	}
3074		3703
3075	my $min = 1e6;#d#	3704	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
3087	return;	3708	return;
3088	}	3709	}
3089		3710
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
3093		3712
3094	0 && sync_job {#d#	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	3715	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3716	$Coro::current->{desc} = "runtime saver";
3098	or die;	3717	write_runtime_sync
3099		3718	or warn "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	3719	};
		3720	}
3116		3721
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	3723	$sig->send;
3133	}	3724	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	3726	$sig->send;
3136	}	3727	}
3137		3728
3138	$NOW = Event::time;	3729	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		3731
3149	_post_tick;	3732	if (0) {
3150		3733	if ($NEXT_TICK) {
3151		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
3152	},	3738	}
3153	);	3739	}
3154		3740
3155	{	3741	{
3156	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	3743
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
3166		3745	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		3747
3182	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		3754
3185	cf::sync_job {	3755	cf::sync_job {
3186	eval {	3756	eval {
3187	BDB::db_env_open	3757	BDB::db_env_open
3188	$DB_ENV,	3758	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	3762	0666;
3193		3763
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	3765	};
3199		3766
3200	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	3768	};
3202	}	3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
3203	}	3780	}
3204		3781
3205	{	3782	{
		3783	# configure IO::AIO
		3784
3206	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	3788	}
3219		3789
3220	my $_log_backtrace;	3790	my $_log_backtrace;
3221		3791
3222	sub _log_backtrace {	3792	sub _log_backtrace {
…		…
3226		3796
3227	# limit the # of concurrent backtraces	3797	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	3798	if ($_log_backtrace < 2) {
3229	++$_log_backtrace;	3799	++$_log_backtrace;
3230	async {	3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
3231	my @bt = fork_call {	3803	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	3804	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	3807	or die "addr2line: $!";

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