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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 1.415 by root, Thu Apr 10 15:35:16 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
…		…
1618	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1619	return $self;	1875	return $self;
1620	}	1876	}
1621	}	1877	}
1622		1878
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1880	()
1625	}	1881	}
1626		1882
1627	sub init {	1883	sub init {
1628	my ($self) = @_;	1884	my ($self) = @_;
…		…
1691		1947
1692	sub load_header_from($) {	1948	sub load_header_from($) {
1693	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1694		1950
1695	utf8::encode $path;	1951	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1701		1960
1702	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1703		1962
1704	1	1963	1
1705	}	1964	}
…		…
1759	sub find {	2018	sub find {
1760	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1761		2020
1762	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1763		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1765		2025
1766	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1768	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1769	or return;	2031	or return;
1770		2032
1771	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1772		2034
…		…
1774	or return;	2036	or return;
1775		2037
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1779	$map->reset;	2043	$map->reset;
1780	undef $guard;
1781	return find $path;	2044	return find $path;
1782	}	2045	}
1783		2046
1784	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1785	}	2048	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1795		2058
1796	my $path = $self->{path};	2059	my $path = $self->{path};
1797		2060
1798	{	2061	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1800		2063
		2064	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2066
1803	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1804		2068
1805	$self->alloc;	2069	$self->alloc;
1806		2070
1807	$self->pre_load;	2071	$self->pre_load;
1808	Coro::cede;	2072	cf::cede_to_tick;
1809		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2076	$self->_load_objects ($f)
1811	or return;	2077	or return;
1812		2078
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1814	if delete $self->{load_original};	2080	if delete $self->{load_original};
1815		2081
1816	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2083	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2086	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1821	}	2090	}
1822	}	2091	}
1823		2092
1824	Coro::cede;	2093	$f->resolve_delayed_derefs;
		2094
		2095	cf::cede_to_tick;
1825	# now do the right thing for maps	2096	# now do the right thing for maps
1826	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2099	unless $self->difficulty;
1829	Coro::cede;	2100	cf::cede_to_tick;
1830		2101
1831	unless ($self->{deny_activate}) {	2102	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2103	$self->decay_objects;
1833	$self->fix_auto_apply;	2104	$self->fix_auto_apply;
1834	$self->update_buttons;	2105	$self->update_buttons;
1835	Coro::cede;	2106	cf::cede_to_tick;
1836	$self->set_darkness_map;	2107	$self->set_darkness_map;
1837	Coro::cede;	2108	cf::cede_to_tick;
1838	$self->activate;	2109	$self->activate;
1839	}	2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
1840		2114
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
1842	}	2116	}
1843		2117
1844	$self->post_load;	2118	$self->post_load;
…		…
1855		2129
1856	$self	2130	$self
1857	}	2131	}
1858		2132
1859	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2134	sub load_neighbours {
1861	my ($map) = @_;	2135	my ($map) = @_;
1862		2136
1863	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1864		2138
1865	for (0 .. 3) {	2139	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1867	or next;	2141	or next;
1868	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1869	or next;	2143	or next;
1870	$neigh->load;	2144	$neigh->load;
1871		2145
		2146	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2149	}
1875		2150
1876	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1878	or next;	2154	or next;
1879	$neigh->load;	2155	$neigh->load;
1880	}	2156	}
1881	}	2157	}
1882		2158
…		…
1887	}	2163	}
1888		2164
1889	sub do_load_sync {	2165	sub do_load_sync {
1890	my ($map) = @_;	2166	my ($map) = @_;
1891		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1892	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1893	}	2172	}
1894		2173
1895	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1897		2176
1898	sub find_async {	2177	sub find_async {
1899	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1900		2179
1901	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1902		2181
1903	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1905	}	2184	}
1906		2185
1907	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1908	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1909	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2193	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2194	$map->load if $v;
		2195	}
1914		2196
1915	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1916	}	2198	}
1917	}	2199	}
1918	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1919	};	2201	};
1920	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2205	}
1924		2206
1925	sub save {	2207	sub save {
1926	my ($self) = @_;	2208	my ($self) = @_;
1927		2209
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2211
1930	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1931		2213
1932	return unless $self->dirty;	2214	return unless $self->dirty;
1933		2215
…		…
1939	return if $self->{deny_save};	2221	return if $self->{deny_save};
1940		2222
1941	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1942		2224
1943	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1945	};	2228	};
1946		2229
1947	if ($uniq) {	2230	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1956	my ($self) = @_;	2239	my ($self) = @_;
1957		2240
1958	# save first because save cedes	2241	# save first because save cedes
1959	$self->save;	2242	$self->save;
1960		2243
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2245
1963	return if $self->players;	2246	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};	2248	return if $self->{deny_save};
1966		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2254	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2255	}
1970		2256
1971	sub reset_at {	2257	sub reset_at {
1972	my ($self) = @_;	2258	my ($self) = @_;
1973		2259
…		…
2005	if $uniq;	2291	if $uniq;
2006	}	2292	}
2007		2293
2008	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2009		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2298	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2299
2014	$self->unlink_save;	2300	$self->unlink_save;
2015	$self->destroy;	2301	$self->destroy;
2016	}	2302	}
2017		2303
2018	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
2019		2305
2020	sub nuke {	2306	sub nuke {
2021	my ($self) = @_;	2307	my ($self) = @_;
2022		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
2023	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
2024		2313
2025	$self->unlink_save;	2314	$self->unlink_save;
2026		2315
2027	bless $self, "cf::map";	2316	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2321
2033	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
2034		2324
2035	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
2036	}	2326	}
2037		2327
2038	=item $maps = cf::map::tmp_maps	2328	=item $maps = cf::map::tmp_maps
…		…
2087	: ()	2377	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2378	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2379	]
2090	}	2380	}
2091		2381
2092	package cf;
2093
2094	=back	2382	=back
2095		2383
2096	=head3 cf::object	2384	=head3 cf::object
2097		2385
2098	=cut	2386	=cut
…		…
2112	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
2113	}	2401	}
2114		2402
2115	sub inv_recursive {	2403	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
2117	}	2433	}
2118		2434
2119	package cf;	2435	package cf;
2120		2436
2121	=back	2437	=back
…		…
2145		2461
2146	} else {	2462	} else {
2147	my $pl = $self->contr;	2463	my $pl = $self->contr;
2148		2464
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2466	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2467	$dialog->{pl}->ext_msg ($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		2468
2158	} else {	2469	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
2161	}	2472	}
2162	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
2163	}	2484	}
2164		2485
2165	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
2166		2487
2167	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
2249		2570
2250	$map->load;	2571	$map->load;
2251	$map->load_diag;	2572	$map->load_neighbours;
2252		2573
2253	return unless $self->contr->active;	2574	return unless $self->contr->active;
2254	$self->activate_recursive;	2575	$self->activate_recursive;
2255		2576
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
2258	}	2579	}
2259		2580
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2582
2262	Moves the player to the given map-path and coordinates by first freezing	2583	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	2584	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	2585	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2586	the new (success) or old (failed) map position. In either case, $done will
		2587	be called at the end of this process.
2266		2588
2267	=cut	2589	=cut
2268		2590
2269	our $GOTOGEN;	2591	our $GOTOGEN;
2270		2592
2271	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2595
2274	# do generation counting so two concurrent goto's will be executed in-order	2596	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2598
2277	$self->enter_link;	2599	$self->enter_link;
2278		2600
2279	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
2280	my $map = eval {	2623	my $map = eval {
2281	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
2282		2625
2283	if ($map) {	2626	if ($map) {
2284	$map = $map->customise_for ($self);	2627	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2628	$map = $check->($map) if $check && $map;
2286	} else {	2629	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2631	}
2289		2632
2290	$map	2633	$map
2291	};	2634	};
2292		2635
…		…
2297		2640
2298	if ($gen == $self->{_goto_generation}) {	2641	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2642	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
2301	}	2644	}
		2645
		2646	$done->() if $done;
2302	})->prio (1);	2647	})->prio (1);
2303	}	2648	}
2304		2649
2305	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
2306		2651
…		…
2343	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
2344	}	2689	}
2345		2690
2346	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
2347		2692
2348	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
2349	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
2351		2696
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
…		…
2380	# if exit is damned, update players death & WoR home-position	2725	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)	2726	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);	2727	if $exit->flag (FLAG_DAMNED);
2383		2728
2384	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
2385	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
2386	unless (eval {	2733	unless (eval {
2387	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
2388		2735
2389	1;	2736	1;
…		…
2415		2762
2416	utf8::encode $text;	2763	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2765	}
2419		2766
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2768
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2769	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2770	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	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2426		2773
2427	=cut	2774	=cut
2428		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
2429	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2830
2432	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg);
2433		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
2434	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2435		2856
2436	if ($self->can_msg) {	2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2438	} else {	2864	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($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 ($color >= 0) {	2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
2450	if (0 && $msg =~ /\[/) {	2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2883	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2885	$self->send_packet ("drawinfo $color $msg")
2455	}	2886	}
2456	}	2887	}
2457	}	2888	}
2458	}	2889	}
2459		2890
2460	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2461		2892
2462	Sends an ext event to the client.	2893	Sends an ext event to the client.
2463		2894
2464	=cut	2895	=cut
2465		2896
2466	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2468		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2471	}	2924	}
2472		2925
2473	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2474		2927
2475	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2983	my ($ns, $buf) = @_;
2531		2984
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2986
2534	if (ref $msg) {	2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2995	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	2996	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
2541	} else {	3002	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3004	}
2544		3005
2545	cf::override;	3006	cf::override;
…		…
2592	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2594		3055
2595	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2596		3057
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2598		3063
2599	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2600		3065
2601	=pod	3066	=pod
2602		3067
2603	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2604		3069
2605	cf::object	3070	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3071	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3072	insert remove name archname title slaying race decrease_ob_nr
2608		3073
2609	cf::object::player	3074	cf::object::player
2610	player	3075	player
2611		3076
2612	cf::player	3077	cf::player
…		…
2617		3082
2618	=cut	3083	=cut
2619		3084
2620	for (	3085	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
2622	insert remove)],	3088	decrease_ob_nr destroy)],
2623	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2626	) {	3092	) {
2627	no strict 'refs';	3093	no strict 'refs';
…		…
2703	# the server's init and main functions	3169	# the server's init and main functions
2704		3170
2705	sub load_facedata($) {	3171	sub load_facedata($) {
2706	my ($path) = @_;	3172	my ($path) = @_;
2707		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3179
2708	warn "loading facedata from $path\n";	3180	warn "loading facedata from $path\n";
2709		3181
2710	my $facedata;	3182	my $facedata;
2711	0 < aio_load $path, $facedata	3183	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3184	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3186	$facedata = Coro::Storable::thaw $facedata;
2715		3187
2716	$facedata->{version} == 2	3188	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
2719	{	3198	{
2720	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
2721		3200
2722	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3203
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3208
		3209	cf::cede_to_tick;
2728	}	3210	}
2729		3211
2730	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
2732	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
2733	or next;	3216	or next;
		3217
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3221	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3223	}
2739	Coro::cede;	3224
		3225	cf::cede_to_tick;
2740	}	3226	}
2741	}	3227	}
2742		3228
2743	{	3229	{
2744	my $anims = $facedata->{animinfo};	3230	my $anims = $facedata->{animinfo};
2745		3231
2746	while (my ($anim, $info) = each %$anims) {	3232	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3234	cf::cede_to_tick;
2749	}	3235	}
2750		3236
2751	cf::anim::invalidate_all; # d'oh	3237	cf::anim::invalidate_all; # d'oh
2752	}	3238	}
2753		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
2754	1	3275	1
2755	}	3276	}
2756		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
2757	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2758	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2760	}	3318	}
2761		3319
2762	sub reload_facedata {	3320	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2793		3351
2794	sub init {	3352	sub init {
2795	reload_resources;	3353	reload_resources;
2796	}	3354	}
2797		3355
2798	sub cfg_load {	3356	sub reload_config {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3358	or return;
2801		3359
2802	local $/;	3360	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2804		3362
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3364
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$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};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2819	sub main {	3377	sub main {
2820	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3381	(async {
2824	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2826	};	3385	};
2827		3386
2828	cfg_load;	3387	reload_config;
2829	db_init;	3388	db_init;
2830	load_extensions;	3389	load_extensions;
2831		3390
2832	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2833	Event::loop;	3393	EV::loop;
2834	}	3394	}
2835		3395
2836	#############################################################################	3396	#############################################################################
2837	# initialisation and cleanup	3397	# initialisation and cleanup
2838		3398
2839	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2840	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3403	$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";	3404	cf::cleanup "SIG$signal";
2849	},
2850	);	3405	};
2851	}	3406	}
2852	}	3407	}
2853		3408
2854	sub write_runtime {	3409	sub write_runtime {
2855	my $runtime = "$LOCALDIR/runtime";	3410	my $runtime = "$LOCALDIR/runtime";
…		…
2900	# and maps saved/destroyed asynchronously.	3455	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3456	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3457	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3458	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3459	$pl->valid or next;
		3460	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3461	$pl->save;
2906	}	3462	}
2907	warn "end emergency player save\n";	3463	warn "end emergency player save\n";
2908		3464
2909	warn "begin emergency map save\n";	3465	warn "begin emergency map save\n";
…		…
2948	warn "syncing database to disk";	3504	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3505	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3506
2951	# if anything goes wrong in here, we should simply crash as we already saved	3507	# if anything goes wrong in here, we should simply crash as we already saved
2952		3508
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3509	warn "flushing outstanding aio requests";
2959	for (;;) {	3510	for (;;) {
2960	BDB::flush;	3511	BDB::flush;
2961	IO::AIO::flush;	3512	IO::AIO::flush;
2962	Coro::cede;	3513	Coro::cede_notself;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3514	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";	3515	warn "iterate...";
2965	}	3516	}
2966		3517
2967	++$RELOAD;	3518	++$RELOAD;
…		…
3026	warn "reloading cf.pm";	3577	warn "reloading cf.pm";
3027	require cf;	3578	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3579	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3580
3030	warn "loading config and database again";	3581	warn "loading config and database again";
3031	cf::cfg_load;	3582	cf::reload_config;
3032		3583
3033	warn "loading extensions";	3584	warn "loading extensions";
3034	cf::load_extensions;	3585	cf::load_extensions;
3035		3586
3036	warn "reattaching attachments to objects/players";	3587	warn "reattaching attachments to objects/players";
…		…
3043	warn "leaving sync_job";	3594	warn "leaving sync_job";
3044		3595
3045	1	3596	1
3046	} or do {	3597	} or do {
3047	warn $@;	3598	warn $@;
3048	warn "error while reloading, exiting.";	3599	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3600	};
3051		3601
3052	warn "reloaded";	3602	warn "reloaded";
3053	};	3603	};
3054		3604
…		…
3056		3606
3057	sub reload_perl() {	3607	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3608	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3609	# coro crashes during coro_state_free->destroy here.
3060		3610
3061	$RELOAD_WATCHER ||= Event->timer (	3611	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3612	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3613	undef $RELOAD_WATCHER;
3068	},
3069	);	3614	};
3070	}	3615	}
3071		3616
3072	register_command "reload" => sub {	3617	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3618	my ($who, $arg) = @_;
3074		3619
3075	if ($who->flag (FLAG_WIZ)) {	3620	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3621	$who->message ("reloading server.");
		3622	async {
		3623	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3624	reload_perl;
		3625	};
3078	}	3626	}
3079	};	3627	};
3080		3628
3081	unshift @INC, $LIBDIR;	3629	unshift @INC, $LIBDIR;
3082		3630
…		…
3084		3632
3085	our @WAIT_FOR_TICK;	3633	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3634	our @WAIT_FOR_TICK_BEGIN;
3087		3635
3088	sub wait_for_tick {	3636	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;	3637	return if tick_inhibit;
3090	return if $Coro::current == $Coro::main;	3638	return if $Coro::current == $Coro::main;
3091		3639
3092	my $signal = new Coro::Signal;	3640	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3641	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3642	$signal->wait;
3095	}	3643	}
3096		3644
3097	sub wait_for_tick_begin {	3645	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;	3646	return if tick_inhibit;
3099	return if $Coro::current == $Coro::main;	3647	return if $Coro::current == $Coro::main;
3100		3648
3101	my $signal = new Coro::Signal;	3649	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3650	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3651	$signal->wait;
3104	}	3652	}
3105		3653
3106	my $min = 1e6;#d#	3654	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) {	3655	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3657	unless ++$bug_warning > 10;
3118	return;	3658	return;
3119	}	3659	}
3120		3660
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3661	cf::server_tick; # one server iteration
3124		3662
3125	0 && sync_job {#d#	3663	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3664	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3665	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3666	$Coro::current->{desc} = "runtime saver";
3129	or die;	3667	write_runtime
3130		3668	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	};	3669	};
		3670	}
3147		3671
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) {	3672	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3673	$sig->send;
3164	}	3674	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3675	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3676	$sig->send;
3167	}	3677	}
3168		3678
3169	$NOW = Event::time;	3679	$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;	3680	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3681
3180	_post_tick;	3682	if (0) {
3181		3683	if ($NEXT_TICK) {
3182		3684	my $jitter = $TICK_START - $NEXT_TICK;
		3685	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3686	warn "jitter $JITTER\n";#d#
		3687	}
3183	},	3688	}
3184	);	3689	}
3185		3690
3186	{	3691	{
3187	BDB::max_poll_time $TICK * 0.1;	3692	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3693
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;	3694	BDB::min_parallel 8;
3197		3695	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3696	$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		3697
3213	unless ($DB_ENV) {	3698	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	3699	$DB_ENV = BDB::db_env_create;
		3700	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3701	| BDB::LOG_AUTOREMOVE, 1);
		3702	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3703	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		3704
3216	cf::sync_job {	3705	cf::sync_job {
3217	eval {	3706	eval {
3218	BDB::db_env_open	3707	BDB::db_env_open
3219	$DB_ENV,	3708	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3710	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3711	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3712	0666;
3224		3713
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3714	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	};	3715	};
3230		3716
3231	cf::cleanup "db_env_open(db): $@" if $@;	3717	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3718	};
3233	}	3719	}
		3720
		3721	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3722	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3723	};
		3724	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3725	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3726	};
		3727	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3728	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3729	};
3234	}	3730	}
3235		3731
3236	{	3732	{
		3733	# configure IO::AIO
		3734
3237	IO::AIO::min_parallel 8;	3735	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3736	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3737	$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	}	3738	}
3250		3739
3251	my $_log_backtrace;	3740	my $_log_backtrace;
3252		3741
3253	sub _log_backtrace {	3742	sub _log_backtrace {
…		…
3257		3746
3258	# limit the # of concurrent backtraces	3747	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3748	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3749	++$_log_backtrace;
3261	async {	3750	async {
		3751	$Coro::current->{desc} = "abt $msg";
		3752
3262	my @bt = fork_call {	3753	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3754	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3755	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3756	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	3757	or die "addr2line: $!";

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