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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.307 by root, Sun Jul 15 22:39:48 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;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	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
170	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.
171		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
172	=back	200	=back
173		201
174	=cut	202	=cut
175		203
176	BEGIN {	204	BEGIN {
…		…
180	$msg .= "\n"	208	$msg .= "\n"
181	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
182		210
183	$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;
184		212
185	utf8::encode $msg;
186	LOG llevError, $msg;	213	LOG llevError, $msg;
187	};	214	};
188	}	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	$SIG{__DIE__} = sub { }; #d#?
189		231
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	)) {	248	)) {
207	no strict 'refs';	249	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	251	}
210		252
211	$Event::DIED = sub {	253	$EV::DIED = sub {
212	warn "error in event callback: @_";	254	warn "error in event callback: @_";
213	};	255	};
214		256
215	#############################################################################	257	#############################################################################
216		258
…		…
239	$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;
240	$d	282	$d
241	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
242	}	284	}
243		285
244	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
245		287
246	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
247		289
248	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
249		291
250	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
251		293
252	=cut	294	=cut
253		295
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		297
256	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
258		300
259	=item cf::lock_wait $string	301	=item cf::lock_wait $string
260		302
261	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
262		304
…		…
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
268	returned.	310	returned.
269		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
270	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
271	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
272		317
273	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
274		319
275	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
276		321
277	=cut	322	=cut
278		323
279	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
280		326
281	sub lock_wait($) {	327	sub lock_wait($) {
282	my ($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#
283		334
284	# wait for lock, if any	335	# wait for lock, if any
285	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	338	Coro::schedule;
…		…
293		344
294	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
295	lock_wait $key;	346	lock_wait $key;
296		347
297	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
298		350
299	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
302	}	355	}
303	}	356	}
304		357
…		…
307		360
308	! ! $LOCK{$key}	361	! ! $LOCK{$key}
309	}	362	}
310		363
311	sub freeze_mainloop {	364	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
313		366
314	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
315	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
316	};	428	}
317	$TICK_WATCHER->stop;	429	};
318	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
319	}	441	}
320		442
321	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
322		444
323	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		450
329	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
330		452
331	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
332		454
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	456	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	458	acceptable.
337		459
338	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		466
345	sub sync_job(&) {	467	sub sync_job(&) {
346	my ($job) = @_;	468	my ($job) = @_;
347		469
348	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	471	my $time = EV::time;
350		472
351	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
353		475
354	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	477
356	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
357		479
358	my $busy = 1;	480	my $busy = 1;
359	my @res;	481	my @res;
360		482
361	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	485	@res = eval { $job->() };
363	warn $@ if $@;	486	warn $@ if $@;
364	undef $busy;	487	undef $busy;
365	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
366		489
367	while ($busy) {	490	while ($busy) {
368	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
369	}	495	}
		496	}
370		497
371	$time = Event::time - $time;	498	my $time = EV::time - $time;
372		499
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
377		501
378	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
379	} else {	503	} else {
380	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
381		505
…		…
406	=item fork_call { }, $args	530	=item fork_call { }, $args
407		531
408	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
409	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
412		536
413	=cut	537	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		538
424	sub fork_call(&@) {	539	sub fork_call(&@) {
425	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
426		541
427	# 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,
428	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		545
432	if (my $pid = fork) {	546	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	547	reset_signals;
446	local $SIG{__WARN__};	548	&$cb
447	local $SIG{__DIE__};	549	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		550
454	eval {	551	wantarray ? @res : $res[-1]
455	close $fh1;	552	}
456		553
457	my @res = eval { $cb->(@args) };	554	=item $coin = coin_from_name $name
458		555
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	556	=cut
460	close $fh2;
461	};
462		557
463	warn $@ if $@;	558	our %coin_alias = (
464	_exit 0;	559	"silver" => "silvercoin",
465	}	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
466	}	579	}
467		580
468	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
469		582
470	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	585	=item cf::db_put $family => $key => $value
473		586
474	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
475	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).
476		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
477	=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	}
478		613
479	our $DB;	614	our $DB;
480		615
481	sub db_init {	616	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	617	cf::sync_job {
486	eval {	618	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	619	};
496	}	620	}
497		621
498	sub db_get($$) {	622	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	623	my $key = "$_[0]/$_[1]";
500		624
…		…
550	if (1) {	674	if (1) {
551	$md5 =	675	$md5 =
552	join "\x00",	676	join "\x00",
553	$processversion,	677	$processversion,
554	map {	678	map {
555	Coro::cede;	679	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	680	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	681	} 0.. $#$src;
558		682
559		683
560	my $dbmd5 = db_get cache => "$id/md5";	684	my $dbmd5 = db_get cache => "$id/md5";
…		…
604	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")
605	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
606		730
607	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>
608	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
609	Crossfire TRT).	733	Deliantra).
610		734
611	=over 4	735	=over 4
612		736
613	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
614		738
…		…
866	";	990	";
867	die if $@;	991	die if $@;
868	}	992	}
869		993
870	our $override;	994	our $override;
871	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?
872		996
873	sub override {	997	sub override {
874	$override = 1;	998	$override = 1;
875	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
876	}	1000	}
877		1001
878	sub do_invoke {	1002	sub do_invoke {
879	my $event = shift;	1003	my $event = shift;
880	my $callbacks = shift;	1004	my $callbacks = shift;
881		1005
882	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
883		1007
884	local $override;	1008	local $override;
885		1009
886	for (@$callbacks) {	1010	for (@$callbacks) {
887	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
896	}	1020	}
897		1021
898	0	1022	0
899	}	1023	}
900		1024
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1026
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1028
905	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
906		1030
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1034
911	=back	1035	=back
912		1036
913	=cut	1037	=cut
914		1038
915	#############################################################################	1039	#############################################################################
916	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
917		1083
918	sub reattach {	1084	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1086	my ($obj) = @_;
921		1087
…		…
942	cf::attachable->attach (	1108	cf::attachable->attach (
943	prio => -1000000,	1109	prio => -1000000,
944	on_instantiate => sub {	1110	on_instantiate => sub {
945	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
946		1112
947	$data = from_json $data;	1113	$data = decode_json $data;
948		1114
949	for (@$data) {	1115	for (@$data) {
950	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
951		1117
952	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1134	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
970		1136
971	sync_job {	1137	sync_job {
972	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
975		1142
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1147	close $fh;
981		1148
982	if (@$objs) {	1149	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1155	close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
990	}	1157	}
…		…
998	}	1165	}
999	} else {	1166	} else {
1000	aio_unlink $filename;	1167	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1002	}	1169	}
1003	}	1170	};
1004	}	1171	}
1005		1172
1006	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
1008		1175
…		…
1020	or return;	1187	or return;
1021		1188
1022	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1191	or return;
		1192
1025	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1026	}	1195	}
1027		1196
		1197	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
1030	return ($data, $av);	1201	($data, $av)
1031	}	1202	}
1032		1203
1033	=head2 COMMAND CALLBACKS	1204	=head2 COMMAND CALLBACKS
1034		1205
1035	=over 4	1206	=over 4
…		…
1108	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
1109		1280
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1282
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
1118	} else {	1298	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1300	}
1121		1301
1122	cf::override;	1302	cf::override;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1177		1357
1178	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1359	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1361	}
1183		1362
1184	warn $msg;	1363	warn $msg;
1185	}	1364	}
1186		1365
…		…
1211	use Coro::AIO;	1390	use Coro::AIO;
1212		1391
1213	=head3 cf::player	1392	=head3 cf::player
1214		1393
1215	=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	}
1216		1409
1217	=item cf::player::find $login	1410	=item cf::player::find $login
1218		1411
1219	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1220		1413
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1453
1261	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1264	}	1462	}
1265	}	1463	}
1266	}	1464	}
1267		1465
…		…
1277		1475
1278	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1280		1478
1281	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1282	Coro::cede;	1480	cf::cede_to_tick;
1283	}	1481	}
1284		1482
1285	sub new($) {	1483	sub new($) {
1286	my ($login) = @_;	1484	my ($login) = @_;
1287		1485
…		…
1291	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1292		1490
1293	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1294		1492
1295	$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 (@_);
1296	}	1504	}
1297		1505
1298	=item $pl->quit_character	1506	=item $pl->quit_character
1299		1507
1300	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
…		…
1355	or return [];	1563	or return [];
1356		1564
1357	my @logins;	1565	my @logins;
1358		1566
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1363		1576
1364	utf8::decode $login;	1577	utf8::decode $login;
1365	push @logins, $login;	1578	push @logins, $login;
1366	}	1579	}
1367		1580
…		…
1400		1613
1401	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1402		1615
1403	=cut	1616	=cut
1404		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
1405	sub expand_cfpod {	1629	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1407		1631
1408	# escape & and <	1632	my $xml;
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411		1633
1412	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1413		1637
1414	1 while	1638	$group =~ s/&/&amp;/g;
1415	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</&lt;/g;
1416	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1419	# replace G<male|female> tags	1643	([BCGHITU])
1420	|| s{G<([^>|]*)\|([^>]*)>}{	1644	<
1421	$self->gender ? $2 : $1	1645	(?:
1422	}ge	1646	([^<>]*) (?{ $group = $^N })
1423	# replace H<hint text>	1647	| < $interior >
1424	|| s{H<([^\>]*)>}	1648	)
		1649	>
		1650	%gcsx
1425	{	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") {
1426	("<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>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")	1671	"")
1429	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1430	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1431		1683
		1684	for ($xml) {
1432	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1434		1687
1435	# compress some whitespace	1688	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1440		1694
1441	$_	1695	$xml
1442	}	1696	}
		1697
		1698	no re 'eval';
1443		1699
1444	sub hintmode {	1700	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}	1702	$_[0]{hintmode}
1447	}	1703	}
1448		1704
1449	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1450		1706
1451	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1452		1708
1453	=cut	1709	=cut
1454		1710
1455	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1457		1713
1458	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1715	}
1461		1716
1462	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1463		1718
1464	Sends an ext event to the client.	1719	Sends an ext event to the client.
1465		1720
1466	=cut	1721	=cut
1467		1722
1468	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1470		1725
1471	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1472	}	1727	}
1473		1728
1474	=head3 cf::region	1729	=head3 cf::region
1475		1730
1476	=over 4	1731	=over 4
…		…
1520	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1522		1777
1523	sub generate_random_map {	1778	sub generate_random_map {
1524	my ($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
1525	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1784	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1620	return $self;	1878	return $self;
1621	}	1879	}
1622	}	1880	}
1623		1881
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1883	()
1626	}	1884	}
1627		1885
1628	sub init {	1886	sub init {
1629	my ($self) = @_;	1887	my ($self) = @_;
…		…
1692		1950
1693	sub load_header_from($) {	1951	sub load_header_from($) {
1694	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1695		1953
1696	utf8::encode $path;	1954	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	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;
1702		1963
1703	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1704		1965
1705	1	1966	1
1706	}	1967	}
…		…
1760	sub find {	2021	sub find {
1761	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1762		2023
1763	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1764		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1766		2028
1767	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1768	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
1769	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1770	or return;	2034	or return;
1771		2035
1772	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1773		2037
…		…
1775	or return;	2039	or return;
1776		2040
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1780	$map->reset;	2046	$map->reset;
1781	undef $guard;
1782	return find $path;	2047	return find $path;
1783	}	2048	}
1784		2049
1785	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1786	}	2051	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1796		2061
1797	my $path = $self->{path};	2062	my $path = $self->{path};
1798		2063
1799	{	2064	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1801		2066
		2067	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2069
1804	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1805		2071
1806	$self->alloc;	2072	$self->alloc;
1807		2073
1808	$self->pre_load;	2074	$self->pre_load;
1809	Coro::cede;	2075	cf::cede_to_tick;
1810		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1812	or return;	2080	or return;
1813		2081
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1815	if delete $self->{load_original};	2083	if delete $self->{load_original};
1816		2084
1817	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2086	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2089	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1822	}	2093	}
1823	}	2094	}
1824		2095
1825	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1826	# now do the right thing for maps	2099	# now do the right thing for maps
1827	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2102	unless $self->difficulty;
1830	Coro::cede;	2103	cf::cede_to_tick;
1831		2104
1832	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2106	$self->decay_objects;
1834	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1835	$self->update_buttons;	2108	$self->update_buttons;
1836	Coro::cede;	2109	cf::cede_to_tick;
1837	$self->set_darkness_map;	2110	$self->set_darkness_map;
1838	Coro::cede;	2111	cf::cede_to_tick;
1839	$self->activate;	2112	$self->activate;
1840	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1841		2117
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1843	}	2119	}
1844		2120
1845	$self->post_load;	2121	$self->post_load;
…		…
1856		2132
1857	$self	2133	$self
1858	}	2134	}
1859		2135
1860	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2137	sub load_neighbours {
1862	my ($map) = @_;	2138	my ($map) = @_;
1863		2139
1864	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1865		2141
1866	for (0 .. 3) {	2142	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1868	or next;	2144	or next;
1869	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1870	or next;	2146	or next;
1871	$neigh->load;	2147	$neigh->load;
1872		2148
		2149	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2152	}
1876		2153
1877	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1879	or next;	2157	or next;
1880	$neigh->load;	2158	$neigh->load;
1881	}	2159	}
1882	}	2160	}
1883		2161
…		…
1888	}	2166	}
1889		2167
1890	sub do_load_sync {	2168	sub do_load_sync {
1891	my ($map) = @_;	2169	my ($map) = @_;
1892		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1893	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1894	}	2175	}
1895		2176
1896	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1898		2179
1899	sub find_async {	2180	sub find_async {
1900	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1901		2182
1902	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1903		2184
1904	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1906	}	2187	}
1907		2188
1908	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1909	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1910	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2196	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2197	$map->load if $v;
		2198	}
1915		2199
1916	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1917	}	2201	}
1918	}	2202	}
1919	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1920	};	2204	};
1921	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2208	}
1925		2209
1926	sub save {	2210	sub save {
1927	my ($self) = @_;	2211	my ($self) = @_;
1928		2212
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2214
1931	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1932		2216
1933	return unless $self->dirty;	2217	return unless $self->dirty;
1934		2218
…		…
1940	return if $self->{deny_save};	2224	return if $self->{deny_save};
1941		2225
1942	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1943		2227
1944	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1946	};	2231	};
1947		2232
1948	if ($uniq) {	2233	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1957	my ($self) = @_;	2242	my ($self) = @_;
1958		2243
1959	# save first because save cedes	2244	# save first because save cedes
1960	$self->save;	2245	$self->save;
1961		2246
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2248
1964	return if $self->players;	2249	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};	2251	return if $self->{deny_save};
1967		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2257	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2258	}
1971		2259
1972	sub reset_at {	2260	sub reset_at {
1973	my ($self) = @_;	2261	my ($self) = @_;
1974		2262
…		…
2006	if $uniq;	2294	if $uniq;
2007	}	2295	}
2008		2296
2009	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
2010		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2301	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2302
2015	$self->unlink_save;	2303	$self->unlink_save;
2016	$self->destroy;	2304	$self->destroy;
2017	}	2305	}
2018		2306
2019	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
2020		2308
2021	sub nuke {	2309	sub nuke {
2022	my ($self) = @_;	2310	my ($self) = @_;
2023		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
2024	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
2025		2316
2026	$self->unlink_save;	2317	$self->unlink_save;
2027		2318
2028	bless $self, "cf::map";	2319	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2324
2034	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
2035		2327
2036	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
2037	}	2329	}
2038		2330
2039	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
2088	: ()	2380	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2381	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2382	]
2091	}	2383	}
2092		2384
2093	package cf;
2094
2095	=back	2385	=back
2096		2386
2097	=head3 cf::object	2387	=head3 cf::object
2098		2388
2099	=cut	2389	=cut
…		…
2113	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
2114	}	2404	}
2115		2405
2116	sub inv_recursive {	2406	sub inv_recursive {
2117	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	}
2118	}	2436	}
2119		2437
2120	package cf;	2438	package cf;
2121		2439
2122	=back	2440	=back
…		…
2146		2464
2147	} else {	2465	} else {
2148	my $pl = $self->contr;	2466	my $pl = $self->contr;
2149		2467
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2469	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2471
2159	} else {	2472	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
2162	}	2475	}
2163	}	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 (@_);
2164	}	2487	}
2165		2488
2166	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
2167		2490
2168	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
2250		2573
2251	$map->load;	2574	$map->load;
2252	$map->load_diag;	2575	$map->load_neighbours;
2253		2576
2254	return unless $self->contr->active;	2577	return unless $self->contr->active;
2255	$self->activate_recursive;	2578	$self->activate_recursive;
2256		2579
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2601
2279	$self->enter_link;	2602	$self->enter_link;
2280		2603
2281	(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
2282	my $map = eval {	2626	my $map = eval {
2283	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
2284		2628
2285	if ($map) {	2629	if ($map) {
2286	$map = $map->customise_for ($self);	2630	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2631	$map = $check->($map) if $check && $map;
2288	} else {	2632	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2634	}
2291		2635
2292	$map	2636	$map
2293	};	2637	};
2294		2638
…		…
2347	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2348	}	2692	}
2349		2693
2350	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2351		2695
2352	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2353	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2355		2699
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2384	# if exit is damned, update players death & WoR home-position	2728	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)	2729	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);	2730	if $exit->flag (FLAG_DAMNED);
2387		2731
2388	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2389	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2390	unless (eval {	2736	unless (eval {
2391	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2392		2738
2393	1;	2739	1;
…		…
2419		2765
2420	utf8::encode $text;	2766	utf8::encode $text;
2421	$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);
2422	}	2768	}
2423		2769
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2771
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2772	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2773	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2774	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2775	the message unless the client supports the msg packet.
2430		2776
2431	=cut	2777	=cut
2432		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
2433	sub cf::client::send_msg {	2831	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	2832	my ($self, $channel, $msg, $color, @extra) = @_;
2435		2833
2436	$msg = $self->pl->expand_cfpod ($msg);	2834	$msg = $self->pl->expand_cfpod ($msg);
2437		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
2438	return unless @extra || length $msg;	2858	return unless @extra || length $msg;
2439		2859
2440	if ($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
2441	$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, $msg, @extra]));
2442	} else {	2867	} else {
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452
2453	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
2454	if (0 && $msg =~ /\[/) {	2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2456	} else {	2886	} else {
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")	2888	$self->send_packet ("drawinfo $color $msg")
2459	}	2889	}
2460	}	2890	}
2461	}	2891	}
2462	}	2892	}
2463		2893
2464	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2465		2895
2466	Sends an ext event to the client.	2896	Sends an ext event to the client.
2467		2897
2468	=cut	2898	=cut
2469		2899
2470	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2472		2902
2473	return unless $self->extcmd;	2903	if ($self->extcmd == 2) {
2474		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2476	$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	}
2477	}	2927	}
2478		2928
2479	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2480		2930
2481	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	2986	my ($ns, $buf) = @_;
2537		2987
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		2989
2540	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
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2998	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	2999	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
2547	} else {	3005	} else {
2548	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";
2549	}	3007	}
2550		3008
2551	cf::override;	3009	cf::override;
…		…
2598	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2600		3058
2601	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2602		3060
2603	$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	));
2604		3066
2605	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2606		3068
2607	=pod	3069	=pod
2608		3070
2609	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2610		3072
2611	cf::object	3073	cf::object
2612	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
2613	insert remove	3075	insert remove name archname title slaying race decrease_ob_nr
2614		3076
2615	cf::object::player	3077	cf::object::player
2616	player	3078	player
2617		3079
2618	cf::player	3080	cf::player
…		…
2623		3085
2624	=cut	3086	=cut
2625		3087
2626	for (	3088	for (
2627	["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
2628	insert remove)],	3091	decrease_ob_nr destroy)],
2629	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2631	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2632	) {	3095	) {
2633	no strict 'refs';	3096	no strict 'refs';
…		…
2709	# the server's init and main functions	3172	# the server's init and main functions
2710		3173
2711	sub load_facedata($) {	3174	sub load_facedata($) {
2712	my ($path) = @_;	3175	my ($path) = @_;
2713		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
2714	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2715		3184
2716	my $facedata;	3185	my $facedata;
2717	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3187	or die "$path: $!";
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2721		3190
2722	$facedata->{version} == 2	3191	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		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
2725	{	3201	{
2726	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2727		3203
2728	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2730	cf::face::set_visibility $idx, $info->{visibility};	3207	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2734		3211
2735	cf::cede_to_tick;	3212	cf::cede_to_tick;
2736	}	3213	}
2737		3214
2738	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2740	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2741	or next;	3219	or next;
		3220
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3222	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3224	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2763		3242
2764	{	3243	{
2765	# TODO: for gcfclient pleasure, we should give resources	3244	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.	3245	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3246	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3247
2770	while (my ($name, $info) = each %$res) {	3248	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3249	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
2778		3252
2779	if ($name =~ /\.jpg$/) {	3253	if ($info->{type} & 1) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3254	# prepend meta info
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	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};
2782	} else {	3268	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3269	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3270	}
2789		3271
2790	cf::cede_to_tick;	3272	cf::cede_to_tick;
2791	}	3273	}
2792	}	3274	}
2793		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2794	1	3278	1
2795	}	3279	}
2796		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
2797	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
2798	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3315	or die "unable to load regions file\n";
2800		3316
2801	for (cf::region::list) {	3317	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3318	$_->{match} = qr/$_->{match}/
…		…
2838		3354
2839	sub init {	3355	sub init {
2840	reload_resources;	3356	reload_resources;
2841	}	3357	}
2842		3358
2843	sub cfg_load {	3359	sub reload_config {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3361	or return;
2846		3362
2847	local $/;	3363	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2849		3365
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3367
2852	$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};
2853	$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};
…		…
2864	sub main {	3380	sub main {
2865	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2867	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#
2868	(async {	3384	(async {
2869	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2871	};	3388	};
2872		3389
2873	cfg_load;	3390	reload_config;
2874	db_init;	3391	db_init;
2875	load_extensions;	3392	load_extensions;
2876		3393
2877	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2878	Event::loop;	3396	EV::loop;
2879	}	3397	}
2880		3398
2881	#############################################################################	3399	#############################################################################
2882	# initialisation and cleanup	3400	# initialisation and cleanup
2883		3401
2884	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2885	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2894	},
2895	);	3408	};
2896	}	3409	}
2897	}	3410	}
2898		3411
2899	sub write_runtime {	3412	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3413	my $runtime = "$LOCALDIR/runtime";
2901		3414
2902	# first touch the runtime file to show we are still running:	3415	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3416	# the fsync below can take a very very long time.
2904		3417
…		…
2930	and return;	3443	and return;
2931		3444
2932	warn "runtime file written.\n";	3445	warn "runtime file written.\n";
2933		3446
2934	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 };
2935	}	3491	}
2936		3492
2937	sub emergency_save() {	3493	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2939		3495
…		…
2945	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2947	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3507	$pl->save;
2951	}	3508	}
2952	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2953		3510
2954	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2960	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2961		3518
2962	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2964	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";
2965	};	3526	};
2966		3527
2967	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2968	}	3529	}
2969		3530
…		…
2984	warn "reloading...";	3545	warn "reloading...";
2985		3546
2986	warn "entering sync_job";	3547	warn "entering sync_job";
2987		3548
2988	cf::sync_job {	3549	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3551	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2992		3553
2993	warn "syncing database to disk";	3554	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3556
2996	# 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
2997
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002		3558
3003	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
3004	for (;;) {	3560	for (;;) {
3005	BDB::flush;	3561	BDB::flush;
3006	IO::AIO::flush;	3562	IO::AIO::flush;
3007	Coro::cede;	3563	Coro::cede_notself;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
3009	warn "iterate...";	3565	warn "iterate...";
3010	}	3566	}
3011		3567
3012	++$RELOAD;	3568	++$RELOAD;
…		…
3071	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
3072	require cf;	3628	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3074		3630
3075	warn "loading config and database again";	3631	warn "loading config and database again";
3076	cf::cfg_load;	3632	cf::reload_config;
3077		3633
3078	warn "loading extensions";	3634	warn "loading extensions";
3079	cf::load_extensions;	3635	cf::load_extensions;
3080		3636
3081	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
3088	warn "leaving sync_job";	3644	warn "leaving sync_job";
3089		3645
3090	1	3646	1
3091	} or do {	3647	} or do {
3092	warn $@;	3648	warn $@;
3093	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3650	};
3096		3651
3097	warn "reloaded";	3652	warn "reloaded";
3098	};	3653	};
3099		3654
…		…
3101		3656
3102	sub reload_perl() {	3657	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
3105		3660
3106	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3107	reentrant => 0,
3108	after => 0,
3109	data => WF_AUTOCANCEL,
3110	cb => sub {
3111	do_reload_perl;	3662	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
3113	},
3114	);	3664	};
3115	}	3665	}
3116		3666
3117	register_command "reload" => sub {	3667	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
3119		3669
3120	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3674	reload_perl;
		3675	};
3123	}	3676	}
3124	};	3677	};
3125		3678
3126	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
3127		3680
…		…
3129		3682
3130	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
3132		3685
3133	sub wait_for_tick {	3686	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
3135	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
3136		3689
3137	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3692	$signal->wait;
3140	}	3693	}
3141		3694
3142	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
3144	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
3145		3698
3146	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3701	$signal->wait;
3149	}	3702	}
3150		3703
3151	my $min = 1e6;#d#	3704	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
3163	return;	3708	return;
3164	}	3709	}
3165		3710
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
3169		3712
3170	0 && sync_job {#d#	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	3715	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3716	$Coro::current->{desc} = "runtime saver";
3174	or die;	3717	write_runtime_sync
3175		3718	or warn "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3719	};
		3720	}
3192		3721
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	3723	$sig->send;
3209	}	3724	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	3726	$sig->send;
3212	}	3727	}
3213		3728
3214	$NOW = Event::time;	3729	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		3731
3225	_post_tick;	3732	if (0) {
3226		3733	if ($NEXT_TICK) {
3227		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
3228	},	3738	}
3229	);	3739	}
3230		3740
3231	{	3741	{
3232	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	3743
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
3242		3745	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		3747
3258	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
3259	$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);
3260		3754
3261	cf::sync_job {	3755	cf::sync_job {
3262	eval {	3756	eval {
3263	BDB::db_env_open	3757	BDB::db_env_open
3264	$DB_ENV,	3758	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	3762	0666;
3269		3763
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	3765	};
3275		3766
3276	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	3768	};
3278	}	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	};
3279	}	3780	}
3280		3781
3281	{	3782	{
		3783	# configure IO::AIO
		3784
3282	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	3788	}
3295		3789
3296	my $_log_backtrace;	3790	my $_log_backtrace;
3297		3791
3298	sub _log_backtrace {	3792	sub _log_backtrace {
…		…
3302		3796
3303	# limit the # of concurrent backtraces	3797	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	3798	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	3799	++$_log_backtrace;
3306	async {	3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
3307	my @bt = fork_call {	3803	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	3804	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	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 |"
3311	or die "addr2line: $!";	3807	or die "addr2line: $!";

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