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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 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
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		538
423	sub fork_call(&@) {	539	sub fork_call(&@) {
424	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
425		541
426	# 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,
427	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		545
431	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	547	reset_signals;
445	local $SIG{__WARN__};	548	&$cb
446	local $SIG{__DIE__};	549	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		550
453	eval {	551	wantarray ? @res : $res[-1]
454	close $fh1;	552	}
455		553
456	my @res = eval { $cb->(@args) };	554	=item $coin = coin_from_name $name
457		555
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	556	=cut
459	close $fh2;
460	};
461		557
462	warn $@ if $@;	558	our %coin_alias = (
463	_exit 0;	559	"silver" => "silvercoin",
464	}	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
465	}	579	}
466		580
467	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
468		582
469	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
472		586
473	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
474	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).
475		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
476	=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	}
477		613
478	our $DB;	614	our $DB;
479		615
480	sub db_init {	616	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	617	cf::sync_job {
485	eval {	618	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	619	};
495	}	620	}
496		621
497	sub db_get($$) {	622	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
499		624
…		…
549	if (1) {	674	if (1) {
550	$md5 =	675	$md5 =
551	join "\x00",	676	join "\x00",
552	$processversion,	677	$processversion,
553	map {	678	map {
554	Coro::cede;	679	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	681	} 0.. $#$src;
557		682
558		683
559	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
603	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")
604	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
605		730
606	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>
607	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
608	Crossfire TRT).	733	Deliantra).
609		734
610	=over 4	735	=over 4
611		736
612	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
613		738
…		…
865	";	990	";
866	die if $@;	991	die if $@;
867	}	992	}
868		993
869	our $override;	994	our $override;
870	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?
871		996
872	sub override {	997	sub override {
873	$override = 1;	998	$override = 1;
874	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
875	}	1000	}
876		1001
877	sub do_invoke {	1002	sub do_invoke {
878	my $event = shift;	1003	my $event = shift;
879	my $callbacks = shift;	1004	my $callbacks = shift;
880		1005
881	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
882		1007
883	local $override;	1008	local $override;
884		1009
885	for (@$callbacks) {	1010	for (@$callbacks) {
886	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
895	}	1020	}
896		1021
897	0	1022	0
898	}	1023	}
899		1024
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1026
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1028
904	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
905		1030
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1034
910	=back	1035	=back
911		1036
912	=cut	1037	=cut
913		1038
914	#############################################################################	1039	#############################################################################
915	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
916		1083
917	sub reattach {	1084	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1086	my ($obj) = @_;
920		1087
…		…
941	cf::attachable->attach (	1108	cf::attachable->attach (
942	prio => -1000000,	1109	prio => -1000000,
943	on_instantiate => sub {	1110	on_instantiate => sub {
944	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
945		1112
946	$data = from_json $data;	1113	$data = decode_json $data;
947		1114
948	for (@$data) {	1115	for (@$data) {
949	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
950		1117
951	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1134	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
969		1136
970	sync_job {	1137	sync_job {
971	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
974		1142
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1147	close $fh;
980		1148
981	if (@$objs) {	1149	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1155	close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
989	}	1157	}
…		…
997	}	1165	}
998	} else {	1166	} else {
999	aio_unlink $filename;	1167	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1001	}	1169	}
1002	}	1170	};
1003	}	1171	}
1004		1172
1005	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1007		1175
…		…
1019	or return;	1187	or return;
1020		1188
1021	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1191	or return;
		1192
1024	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1025	}	1195	}
1026		1196
		1197	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1029	return ($data, $av);	1201	($data, $av)
1030	}	1202	}
1031		1203
1032	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1033		1205
1034	=over 4	1206	=over 4
…		…
1107	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1108		1280
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1282
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1117	} else {	1298	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1300	}
1120		1301
1121	cf::override;	1302	cf::override;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1176		1357
1177	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1359	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1361	}
1182		1362
1183	warn $msg;	1363	warn $msg;
1184	}	1364	}
1185		1365
…		…
1210	use Coro::AIO;	1390	use Coro::AIO;
1211		1391
1212	=head3 cf::player	1392	=head3 cf::player
1213		1393
1214	=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	}
1215		1409
1216	=item cf::player::find $login	1410	=item cf::player::find $login
1217		1411
1218	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1219		1413
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1453
1260	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1263	}	1462	}
1264	}	1463	}
1265	}	1464	}
1266		1465
…		…
1276		1475
1277	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1279		1478
1280	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1281	Coro::cede;	1480	cf::cede_to_tick;
1282	}	1481	}
1283		1482
1284	sub new($) {	1483	sub new($) {
1285	my ($login) = @_;	1484	my ($login) = @_;
1286		1485
…		…
1290	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1291		1490
1292	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1293		1492
1294	$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 (@_);
1295	}	1504	}
1296		1505
1297	=item $pl->quit_character	1506	=item $pl->quit_character
1298		1507
1299	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
…		…
1354	or return [];	1563	or return [];
1355		1564
1356	my @logins;	1565	my @logins;
1357		1566
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1362		1576
1363	utf8::decode $login;	1577	utf8::decode $login;
1364	push @logins, $login;	1578	push @logins, $login;
1365	}	1579	}
1366		1580
…		…
1399		1613
1400	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1401		1615
1402	=cut	1616	=cut
1403		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
1404	sub expand_cfpod {	1629	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1406		1631
1407	# escape & and <	1632	my $xml;
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410		1633
1411	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1412		1637
1413	1 while	1638	$group =~ s/&/&amp;/g;
1414	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1415	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1418	# replace G<male|female> tags	1643	([BCGHITU])
1419	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1420	$self->gender ? $2 : $1	1645	(?:
1421	}ge	1646	([^<>]*) (?{ $group = $^N })
1422	# replace H<hint text>	1647	| < $interior >
1423	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1424	{	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") {
1425	("<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>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")	1671	"")
1428	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1429	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1430		1683
		1684	for ($xml) {
1431	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1433		1687
1434	# compress some whitespace	1688	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1439		1694
1440	$_	1695	$xml
1441	}	1696	}
		1697
		1698	no re 'eval';
1442		1699
1443	sub hintmode {	1700	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}	1702	$_[0]{hintmode}
1446	}	1703	}
1447		1704
1448	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1449		1706
1450	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1451		1708
1452	=cut	1709	=cut
1453		1710
1454	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1456		1713
1457	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1715	}
1460		1716
1461	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1462		1718
1463	Sends an ext event to the client.	1719	Sends an ext event to the client.
1464		1720
1465	=cut	1721	=cut
1466		1722
1467	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1469		1725
1470	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1471	}	1727	}
1472		1728
1473	=head3 cf::region	1729	=head3 cf::region
1474		1730
1475	=over 4	1731	=over 4
…		…
1488	my ($path) = @_;	1744	my ($path) = @_;
1489		1745
1490	my ($match, $specificity);	1746	my ($match, $specificity);
1491		1747
1492	for my $region (list) {	1748	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1496	}	1752	}
1497	}	1753	}
1498		1754
…		…
1519	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1521		1777
1522	sub generate_random_map {	1778	sub generate_random_map {
1523	my ($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
1524	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1784	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1618	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1619	return $self;	1878	return $self;
1620	}	1879	}
1621	}	1880	}
1622		1881
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1883	()
1625	}	1884	}
1626		1885
1627	sub init {	1886	sub init {
1628	my ($self) = @_;	1887	my ($self) = @_;
…		…
1691		1950
1692	sub load_header_from($) {	1951	sub load_header_from($) {
1693	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1694		1953
1695	utf8::encode $path;	1954	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	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;
1701		1963
1702	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1703		1965
1704	1	1966	1
1705	}	1967	}
…		…
1759	sub find {	2021	sub find {
1760	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1761		2023
1762	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1763		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1765		2028
1766	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1767	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
1768	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1769	or return;	2034	or return;
1770		2035
1771	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1772		2037
…		…
1774	or return;	2039	or return;
1775		2040
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1779	$map->reset;	2046	$map->reset;
1780	undef $guard;
1781	return find $path;	2047	return find $path;
1782	}	2048	}
1783		2049
1784	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1785	}	2051	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1795		2061
1796	my $path = $self->{path};	2062	my $path = $self->{path};
1797		2063
1798	{	2064	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1800		2066
		2067	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2069
1803	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1804		2071
1805	$self->alloc;	2072	$self->alloc;
1806		2073
1807	$self->pre_load;	2074	$self->pre_load;
1808	Coro::cede;	2075	cf::cede_to_tick;
1809		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1811	or return;	2080	or return;
1812		2081
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1814	if delete $self->{load_original};	2083	if delete $self->{load_original};
1815		2084
1816	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2086	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2089	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1821	}	2093	}
1822	}	2094	}
1823		2095
1824	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1825	# now do the right thing for maps	2099	# now do the right thing for maps
1826	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2102	unless $self->difficulty;
1829	Coro::cede;	2103	cf::cede_to_tick;
1830		2104
1831	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2106	$self->decay_objects;
1833	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1834	$self->update_buttons;	2108	$self->update_buttons;
1835	Coro::cede;	2109	cf::cede_to_tick;
1836	$self->set_darkness_map;	2110	$self->set_darkness_map;
1837	Coro::cede;	2111	cf::cede_to_tick;
1838	$self->activate;	2112	$self->activate;
1839	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1840		2117
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1842	}	2119	}
1843		2120
1844	$self->post_load;	2121	$self->post_load;
…		…
1855		2132
1856	$self	2133	$self
1857	}	2134	}
1858		2135
1859	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2137	sub load_neighbours {
1861	my ($map) = @_;	2138	my ($map) = @_;
1862		2139
1863	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1864		2141
1865	for (0 .. 3) {	2142	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1867	or next;	2144	or next;
1868	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1869	or next;	2146	or next;
1870	$neigh->load;	2147	$neigh->load;
1871		2148
		2149	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2152	}
1875		2153
1876	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1878	or next;	2157	or next;
1879	$neigh->load;	2158	$neigh->load;
1880	}	2159	}
1881	}	2160	}
1882		2161
…		…
1887	}	2166	}
1888		2167
1889	sub do_load_sync {	2168	sub do_load_sync {
1890	my ($map) = @_;	2169	my ($map) = @_;
1891		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1892	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1893	}	2175	}
1894		2176
1895	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1897		2179
1898	sub find_async {	2180	sub find_async {
1899	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1900		2182
1901	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1902		2184
1903	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1905	}	2187	}
1906		2188
1907	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1908	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1909	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2196	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2197	$map->load if $v;
		2198	}
1914		2199
1915	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1916	}	2201	}
1917	}	2202	}
1918	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1919	};	2204	};
1920	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2208	}
1924		2209
1925	sub save {	2210	sub save {
1926	my ($self) = @_;	2211	my ($self) = @_;
1927		2212
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2214
1930	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1931		2216
1932	return unless $self->dirty;	2217	return unless $self->dirty;
1933		2218
…		…
1939	return if $self->{deny_save};	2224	return if $self->{deny_save};
1940		2225
1941	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1942		2227
1943	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1945	};	2231	};
1946		2232
1947	if ($uniq) {	2233	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1956	my ($self) = @_;	2242	my ($self) = @_;
1957		2243
1958	# save first because save cedes	2244	# save first because save cedes
1959	$self->save;	2245	$self->save;
1960		2246
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2248
1963	return if $self->players;	2249	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};	2251	return if $self->{deny_save};
1966		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2257	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2258	}
1970		2259
1971	sub reset_at {	2260	sub reset_at {
1972	my ($self) = @_;	2261	my ($self) = @_;
1973		2262
…		…
2005	if $uniq;	2294	if $uniq;
2006	}	2295	}
2007		2296
2008	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2009		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2301	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2302
2014	$self->unlink_save;	2303	$self->unlink_save;
2015	$self->destroy;	2304	$self->destroy;
2016	}	2305	}
2017		2306
2018	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2019		2308
2020	sub nuke {	2309	sub nuke {
2021	my ($self) = @_;	2310	my ($self) = @_;
2022		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2023	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2024		2316
2025	$self->unlink_save;	2317	$self->unlink_save;
2026		2318
2027	bless $self, "cf::map";	2319	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2324
2033	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2034		2327
2035	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2036	}	2329	}
2037		2330
2038	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2087	: ()	2380	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2381	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2382	]
2090	}	2383	}
2091		2384
2092	package cf;
2093
2094	=back	2385	=back
2095		2386
2096	=head3 cf::object	2387	=head3 cf::object
2097		2388
2098	=cut	2389	=cut
…		…
2112	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
2113	}	2404	}
2114		2405
2115	sub inv_recursive {	2406	sub inv_recursive {
2116	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	}
2117	}	2436	}
2118		2437
2119	package cf;	2438	package cf;
2120		2439
2121	=back	2440	=back
…		…
2145		2464
2146	} else {	2465	} else {
2147	my $pl = $self->contr;	2466	my $pl = $self->contr;
2148		2467
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2469	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2471
2158	} else {	2472	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
2161	}	2475	}
2162	}	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 (@_);
2163	}	2487	}
2164		2488
2165	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
2166		2490
2167	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
2249		2573
2250	$map->load;	2574	$map->load;
2251	$map->load_diag;	2575	$map->load_neighbours;
2252		2576
2253	return unless $self->contr->active;	2577	return unless $self->contr->active;
2254	$self->activate_recursive;	2578	$self->activate_recursive;
2255		2579
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
2258	}	2582	}
2259		2583
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2585
2262	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
2263	her, loading and preparing them map, calling the provided $check callback	2587	her, loading and preparing them map, calling the provided $check callback
2264	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
2265	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.
2266		2591
2267	=cut	2592	=cut
2268		2593
2269	our $GOTOGEN;	2594	our $GOTOGEN;
2270		2595
2271	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2598
2274	# 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
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2601
2277	$self->enter_link;	2602	$self->enter_link;
2278		2603
2279	(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
2280	my $map = eval {	2626	my $map = eval {
2281	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
2282		2628
2283	if ($map) {	2629	if ($map) {
2284	$map = $map->customise_for ($self);	2630	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2631	$map = $check->($map) if $check && $map;
2286	} else {	2632	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2634	}
2289		2635
2290	$map	2636	$map
2291	};	2637	};
2292		2638
…		…
2297		2643
2298	if ($gen == $self->{_goto_generation}) {	2644	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2645	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
2301	}	2647	}
		2648
		2649	$done->() if $done;
2302	})->prio (1);	2650	})->prio (1);
2303	}	2651	}
2304		2652
2305	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
2306		2654
…		…
2343	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2344	}	2692	}
2345		2693
2346	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2347		2695
2348	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2349	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2351		2699
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2380	# if exit is damned, update players death & WoR home-position	2728	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)	2729	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);	2730	if $exit->flag (FLAG_DAMNED);
2383		2731
2384	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2385	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2386	unless (eval {	2736	unless (eval {
2387	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2388		2738
2389	1;	2739	1;
…		…
2415		2765
2416	utf8::encode $text;	2766	utf8::encode $text;
2417	$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);
2418	}	2768	}
2419		2769
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2771
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2772	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2773	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2774	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2775	the message unless the client supports the msg packet.
2426		2776
2427	=cut	2777	=cut
2428		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
2429	sub cf::client::send_msg {	2831	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2832	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2833
2432	$msg = $self->pl->expand_cfpod ($msg);	2834	$msg = $self->pl->expand_cfpod ($msg);
2433		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
2434	return unless @extra || length $msg;	2858	return unless @extra || length $msg;
2435		2859
2436	if ($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
2437	$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, $msg, @extra]));
2438	} else {	2867	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448
2449	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
2450	if (0 && $msg =~ /\[/) {	2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2886	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2888	$self->send_packet ("drawinfo $color $msg")
2455	}	2889	}
2456	}	2890	}
2457	}	2891	}
2458	}	2892	}
2459		2893
2460	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2461		2895
2462	Sends an ext event to the client.	2896	Sends an ext event to the client.
2463		2897
2464	=cut	2898	=cut
2465		2899
2466	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2468		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2470	$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	}
2471	}	2927	}
2472		2928
2473	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2474		2930
2475	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2986	my ($ns, $buf) = @_;
2531		2987
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2989
2534	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
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2998	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	2999	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
2541	} else {	3005	} else {
2542	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";
2543	}	3007	}
2544		3008
2545	cf::override;	3009	cf::override;
…		…
2592	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2594		3058
2595	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2596		3060
2597	$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	));
2598		3066
2599	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2600		3068
2601	=pod	3069	=pod
2602		3070
2603	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2604		3072
2605	cf::object	3073	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3074	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3075	insert remove name archname title slaying race decrease_ob_nr
2608		3076
2609	cf::object::player	3077	cf::object::player
2610	player	3078	player
2611		3079
2612	cf::player	3080	cf::player
…		…
2617		3085
2618	=cut	3086	=cut
2619		3087
2620	for (	3088	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	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
2622	insert remove)],	3091	decrease_ob_nr destroy)],
2623	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2626	) {	3095	) {
2627	no strict 'refs';	3096	no strict 'refs';
…		…
2703	# the server's init and main functions	3172	# the server's init and main functions
2704		3173
2705	sub load_facedata($) {	3174	sub load_facedata($) {
2706	my ($path) = @_;	3175	my ($path) = @_;
2707		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
2708	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2709		3184
2710	my $facedata;	3185	my $facedata;
2711	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3187	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2715		3190
2716	$facedata->{version} == 2	3191	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		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
2719	{	3201	{
2720	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2721		3203
2722	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3211
		3212	cf::cede_to_tick;
2728	}	3213	}
2729		3214
2730	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2732	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2733	or next;	3219	or next;
		3220
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3224	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3226	}
2739	Coro::cede;	3227
		3228	cf::cede_to_tick;
2740	}	3229	}
2741	}	3230	}
2742		3231
2743	{	3232	{
2744	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2745		3234
2746	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3237	cf::cede_to_tick;
2749	}	3238	}
2750		3239
2751	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2752	}	3241	}
2753		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
2754	1	3278	1
2755	}	3279	}
2756		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
2757	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
2758	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2759	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	}
2760	}	3321	}
2761		3322
2762	sub reload_facedata {	3323	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3324	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3325	or die "unable to load facedata\n";
…		…
2793		3354
2794	sub init {	3355	sub init {
2795	reload_resources;	3356	reload_resources;
2796	}	3357	}
2797		3358
2798	sub cfg_load {	3359	sub reload_config {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3361	or return;
2801		3362
2802	local $/;	3363	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2804		3365
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3367
2807	$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};
2808	$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};
…		…
2819	sub main {	3380	sub main {
2820	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2822	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#
2823	(async {	3384	(async {
2824	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2826	};	3388	};
2827		3389
2828	cfg_load;	3390	reload_config;
2829	db_init;	3391	db_init;
2830	load_extensions;	3392	load_extensions;
2831		3393
2832	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2833	Event::loop;	3396	EV::loop;
2834	}	3397	}
2835		3398
2836	#############################################################################	3399	#############################################################################
2837	# initialisation and cleanup	3400	# initialisation and cleanup
2838		3401
2839	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2840	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2849	},
2850	);	3408	};
2851	}	3409	}
2852	}	3410	}
2853		3411
2854	sub write_runtime {	3412	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3413	my $runtime = "$LOCALDIR/runtime";
2856		3414
2857	# first touch the runtime file to show we are still running:	3415	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3416	# the fsync below can take a very very long time.
2859		3417
…		…
2885	and return;	3443	and return;
2886		3444
2887	warn "runtime file written.\n";	3445	warn "runtime file written.\n";
2888		3446
2889	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 };
2890	}	3491	}
2891		3492
2892	sub emergency_save() {	3493	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2894		3495
…		…
2900	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3507	$pl->save;
2906	}	3508	}
2907	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2908		3510
2909	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2915	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2916		3518
2917	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2919	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";
2920	};	3526	};
2921		3527
2922	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2923	}	3529	}
2924		3530
…		…
2939	warn "reloading...";	3545	warn "reloading...";
2940		3546
2941	warn "entering sync_job";	3547	warn "entering sync_job";
2942		3548
2943	cf::sync_job {	3549	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3551	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2947		3553
2948	warn "syncing database to disk";	3554	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3556
2951	# 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
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957		3558
2958	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2959	for (;;) {	3560	for (;;) {
2960	BDB::flush;	3561	BDB::flush;
2961	IO::AIO::flush;	3562	IO::AIO::flush;
2962	Coro::cede;	3563	Coro::cede_notself;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";	3565	warn "iterate...";
2965	}	3566	}
2966		3567
2967	++$RELOAD;	3568	++$RELOAD;
…		…
3026	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
3027	require cf;	3628	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3630
3030	warn "loading config and database again";	3631	warn "loading config and database again";
3031	cf::cfg_load;	3632	cf::reload_config;
3032		3633
3033	warn "loading extensions";	3634	warn "loading extensions";
3034	cf::load_extensions;	3635	cf::load_extensions;
3035		3636
3036	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
3043	warn "leaving sync_job";	3644	warn "leaving sync_job";
3044		3645
3045	1	3646	1
3046	} or do {	3647	} or do {
3047	warn $@;	3648	warn $@;
3048	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3650	};
3051		3651
3052	warn "reloaded";	3652	warn "reloaded";
3053	};	3653	};
3054		3654
…		…
3056		3656
3057	sub reload_perl() {	3657	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
3060		3660
3061	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3662	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
3068	},
3069	);	3664	};
3070	}	3665	}
3071		3666
3072	register_command "reload" => sub {	3667	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
3074		3669
3075	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3674	reload_perl;
		3675	};
3078	}	3676	}
3079	};	3677	};
3080		3678
3081	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
3082		3680
…		…
3084		3682
3085	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
3087		3685
3088	sub wait_for_tick {	3686	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
3090	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
3091		3689
3092	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3692	$signal->wait;
3095	}	3693	}
3096		3694
3097	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
3099	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
3100		3698
3101	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3701	$signal->wait;
3104	}	3702	}
3105		3703
3106	my $min = 1e6;#d#	3704	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
3118	return;	3708	return;
3119	}	3709	}
3120		3710
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
3124		3712
3125	0 && sync_job {#d#	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3715	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3716	$Coro::current->{desc} = "runtime saver";
3129	or die;	3717	write_runtime_sync
3130		3718	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3719	};
		3720	}
3147		3721
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3723	$sig->send;
3164	}	3724	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3726	$sig->send;
3167	}	3727	}
3168		3728
3169	$NOW = Event::time;	3729	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3731
3180	_post_tick;	3732	if (0) {
3181		3733	if ($NEXT_TICK) {
3182		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
3183	},	3738	}
3184	);	3739	}
3185		3740
3186	{	3741	{
3187	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3743
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
3197		3745	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3747
3213	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
3214	$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);
3215		3754
3216	cf::sync_job {	3755	cf::sync_job {
3217	eval {	3756	eval {
3218	BDB::db_env_open	3757	BDB::db_env_open
3219	$DB_ENV,	3758	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3762	0666;
3224		3763
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3765	};
3230		3766
3231	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3768	};
3233	}	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	};
3234	}	3780	}
3235		3781
3236	{	3782	{
		3783	# configure IO::AIO
		3784
3237	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3788	}
3250		3789
3251	my $_log_backtrace;	3790	my $_log_backtrace;
3252		3791
3253	sub _log_backtrace {	3792	sub _log_backtrace {
…		…
3257		3796
3258	# limit the # of concurrent backtraces	3797	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3798	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3799	++$_log_backtrace;
3261	async {	3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
3262	my @bt = fork_call {	3803	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3804	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	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 |"
3266	or die "addr2line: $!";	3807	or die "addr2line: $!";

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