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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.424 by root, Sun Apr 20 05:24:55 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
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	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
38	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
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$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
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	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
166	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
167	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.
168		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
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$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;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	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	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	248	)) {
204	no strict 'refs';	249	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	251	}
207		252
208	$Event::DIED = sub {	253	$EV::DIED = sub {
209	warn "error in event callback: @_";	254	warn "error in event callback: @_";
210	};	255	};
		256
		257	#############################################################################
211		258
212	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
213		260
214	=over 4	261	=over 4
215		262
…		…
234	$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;
235	$d	282	$d
236	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
237	}	284	}
238		285
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
242		287
243	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
244		289
245	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
246		291
247	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
248		300
249	=item cf::lock_wait $string	301	=item cf::lock_wait $string
250		302
251	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
252		304
…		…
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
258	returned.	310	returned.
259		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
260	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
261	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
262		317
263	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
264		319
265	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
266		321
267	=cut	322	=cut
268		323
269	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
270		326
271	sub lock_wait($) {	327	sub lock_wait($) {
272	my ($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#
273		334
274	# wait for lock, if any	335	# wait for lock, if any
275	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	338	Coro::schedule;
…		…
283		344
284	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
285	lock_wait $key;	346	lock_wait $key;
286		347
287	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
288		350
289	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
292	}	355	}
293	}	356	}
294		357
…		…
297		360
298	! ! $LOCK{$key}	361	! ! $LOCK{$key}
299	}	362	}
300		363
301	sub freeze_mainloop {	364	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
303		366
304	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
305	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
306	};	428	}
307	$TICK_WATCHER->stop;	429	};
308	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
309	}	443	}
310		444
311	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
312		446
313	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		452
319	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
320		454
321	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
322		456
323	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
326		461
327	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
330	fast or be very important.	465	fast or be very important.
…		…
333		468
334	sub sync_job(&) {	469	sub sync_job(&) {
335	my ($job) = @_;	470	my ($job) = @_;
336		471
337	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	473	my $time = EV::time;
339		474
340	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
342		477
343	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	479
345	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
346		481
347	my $busy = 1;	482	my $busy = 1;
348	my @res;	483	my @res;
349		484
350	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	487	@res = eval { $job->() };
352	warn $@ if $@;	488	warn $@ if $@;
353	undef $busy;	489	undef $busy;
354	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
355		491
356	while ($busy) {	492	while ($busy) {
357	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
358	}	497	}
		498	}
359		499
360	$time = Event::time - $time;	500	my $time = EV::time - $time;
361		501
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
366		503
367	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
368	} else {	505	} else {
369	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
370		507
…		…
390	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
391		528
392	$coro	529	$coro
393	}	530	}
394		531
395	sub write_runtime {	532	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		533
398	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
400		538
401	IO::AIO::aio_utime $runtime, undef, undef;	539	=cut
402		540
403	my $guard = cf::lock_acquire "write_runtime";	541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
404		543
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	# we seemingly have to make a local copy of the whole thing,
406	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
407		547
408	my $value = $cf::RUNTIME + 90 + 10;	548	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	549	reset_signals;
410	# 60 allows for the watchdog to kill the server.	550	&$cb
		551	}, @args;
411		552
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	wantarray ? @res : $res[-1]
413	and return;	554	}
414		555
415	# always fsync - this file is important	556	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		557
419	# touch it again to show we are up-to-date	558	=cut
420	aio_utime $fh, undef, undef;
421		559
422	close $fh	560	our %coin_alias = (
423	or return;	561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
424		576
425	aio_rename "$runtime~", $runtime	577	sub coin_from_name($) {
426	and return;	578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
427		582
428	warn "runtime file written.\n";	583	=item $value = cf::db_get $family => $key
429		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
430	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
431	}	708	}
432		709
433	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
434		711
435	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
455		732
456	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	735	Deliantra).
459		736
460	=over 4	737	=over 4
461		738
462	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
463		740
…		…
665	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
666	}	943	}
667		944
668	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
669	} else {	946	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	948	}
672		949
673	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
674	}	951	}
675		952
…		…
715	";	992	";
716	die if $@;	993	die if $@;
717	}	994	}
718		995
719	our $override;	996	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		998
722	sub override {	999	sub override {
723	$override = 1;	1000	$override = 1;
724	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
725	}	1002	}
726		1003
727	sub do_invoke {	1004	sub do_invoke {
728	my $event = shift;	1005	my $event = shift;
729	my $callbacks = shift;	1006	my $callbacks = shift;
730		1007
731	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
732		1009
733	local $override;	1010	local $override;
734		1011
735	for (@$callbacks) {	1012	for (@$callbacks) {
736	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
745	}	1022	}
746		1023
747	0	1024	0
748	}	1025	}
749		1026
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1028
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1030
754	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
755		1032
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1036
760	=back	1037	=back
761		1038
762	=cut	1039	=cut
763		1040
764	#############################################################################	1041	#############################################################################
765	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
766		1085
767	sub reattach {	1086	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1088	my ($obj) = @_;
770		1089
…		…
791	cf::attachable->attach (	1110	cf::attachable->attach (
792	prio => -1000000,	1111	prio => -1000000,
793	on_instantiate => sub {	1112	on_instantiate => sub {
794	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
795		1114
796	$data = from_json $data;	1115	$data = decode_json $data;
797		1116
798	for (@$data) {	1117	for (@$data) {
799	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
800		1119
801	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1136	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
819		1138
820	sync_job {	1139	sync_job {
821	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
824		1144
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1149	close $fh;
830		1150
831	if (@$objs) {	1151	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1157	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
839	}	1159	}
…		…
847	}	1167	}
848	} else {	1168	} else {
849	aio_unlink $filename;	1169	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
851	}	1171	}
852	}	1172	};
853	}	1173	}
854		1174
855	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
857		1177
…		…
869	or return;	1189	or return;
870		1190
871	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
873	or return;	1193	or return;
		1194
874	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
875	}	1197	}
876		1198
		1199	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
879	return ($data, $av);	1203	($data, $av)
880	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
881		1211
882	#############################################################################	1212	#############################################################################
883	# command handling &c	1213	# command handling &c
884		1214
885	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1229	}
900		1230
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1232
903	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
904		1238
905	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
906	called.	1240	called.
907		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
908	=cut	1253	=cut
909		1254
910	sub register_extcmd {	1255	sub register_extcmd {
911	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
912		1257
913	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
914	}	1265	}
915		1266
916	cf::player->attach (	1267	cf::player->attach (
917	on_command => sub {	1268	on_command => sub {
918	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1278	cf::override;
928	},	1279	},
929	on_extcmd => sub {	1280	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
931		1282
932	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1284
934	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
940	} else {	1300	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1302	}
943		1303
944	cf::override;	1304	cf::override;
945	},	1305	},
946	);	1306	);
947		1307
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
983	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1313	next unless -r $path;
985	eval {	1314
986	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
987	1	1371	}
988	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
989	}	1377	};
990	}	1378	}
991		1379
992	#############################################################################	1380	#############################################################################
993		1381
		1382	=back
		1383
994	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
995		1385
996	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
997		1387
998	=cut	1388	=cut
…		…
1002	use Coro::AIO;	1392	use Coro::AIO;
1003		1393
1004	=head3 cf::player	1394	=head3 cf::player
1005		1395
1006	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1007		1411
1008	=item cf::player::find $login	1412	=item cf::player::find $login
1009		1413
1010	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1011		1415
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1455
1052	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1055	}	1464	}
1056	}	1465	}
1057	}	1466	}
1058		1467
…		…
1067	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1068		1477
1069	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1071		1480
		1481	cf::get_slot 0.01;
		1482
1072	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1073	Coro::cede;	1484	cf::cede_to_tick;
1074	}	1485	}
1075		1486
1076	sub new($) {	1487	sub new($) {
1077	my ($login) = @_;	1488	my ($login) = @_;
1078		1489
…		…
1082	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1083		1494
1084	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1085		1496
1086	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1087	}	1508	}
1088		1509
1089	=item $pl->quit_character	1510	=item $pl->quit_character
1090		1511
1091	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1567	or return [];
1147		1568
1148	my @logins;	1569	my @logins;
1149		1570
1150	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1154		1580
1155	utf8::decode $login;	1581	utf8::decode $login;
1156	push @logins, $login;	1582	push @logins, $login;
1157	}	1583	}
1158		1584
…		…
1185	}	1611	}
1186		1612
1187	\@paths	1613	\@paths
1188	}	1614	}
1189		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1190	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1191		1710
1192	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1193		1712
1194	=cut	1713	=cut
1195		1714
1196	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1198		1717
1199	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1719	}
1203		1720
1204	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1205		1722
1206	Sends an ext event to the client.	1723	Sends an ext event to the client.
1207		1724
1208	=cut	1725	=cut
1209		1726
1210	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1212		1729
1213	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1214	}	1731	}
1215		1732
1216	=head3 cf::region	1733	=head3 cf::region
1217		1734
1218	=over 4	1735	=over 4
…		…
1221		1738
1222	package cf::region;	1739	package cf::region;
1223		1740
1224	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1225		1742
1226	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1227		1744
1228	=cut	1745	=cut
1229		1746
1230	sub find_by_path($) {	1747	sub find_by_path($) {
1231	my ($path) = @_;	1748	my ($path) = @_;
1232		1749
1233	my ($match, $specificity);	1750	my ($match, $specificity);
1234		1751
1235	for my $region (list) {	1752	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1239	}	1756	}
1240	}	1757	}
1241		1758
…		…
1262	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1264		1781
1265	sub generate_random_map {	1782	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1267	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1788	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1362	return $self;	1882	return $self;
1363	}	1883	}
1364	}	1884	}
1365		1885
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1887	()
1368	}	1888	}
1369		1889
1370	sub init {	1890	sub init {
1371	my ($self) = @_;	1891	my ($self) = @_;
…		…
1393		1913
1394	# the temporary/swap location	1914	# the temporary/swap location
1395	sub save_path {	1915	sub save_path {
1396	my ($self) = @_;	1916	my ($self) = @_;
1397		1917
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1400	}	1920	}
1401		1921
1402	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1403	sub uniq_path {	1923	sub uniq_path {
1404	my ($self) = @_;	1924	my ($self) = @_;
1405		1925
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1408	}	1928	}
1409		1929
1410	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1411	# all maps in C++...	1931	# all maps in C++...
…		…
1434		1954
1435	sub load_header_from($) {	1955	sub load_header_from($) {
1436	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1437		1957
1438	utf8::encode $path;	1958	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1444		1967
1445	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1446		1969
1447	1	1970	1
1448	}	1971	}
…		…
1502	sub find {	2025	sub find {
1503	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1504		2027
1505	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1506		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1508		2032
1509	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1511	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1512	or return;	2038	or return;
1513		2039
1514	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1515		2041
…		…
1517	or return;	2043	or return;
1518		2044
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1522	$map->reset;	2050	$map->reset;
1523	undef $guard;
1524	return find $path;	2051	return find $path;
1525	}	2052	}
1526		2053
1527	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1528	}	2055	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1538		2065
1539	my $path = $self->{path};	2066	my $path = $self->{path};
1540		2067
1541	{	2068	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1543		2070
		2071	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2073
1546	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1547		2075
1548	$self->alloc;	2076	$self->alloc;
1549		2077
1550	$self->pre_load;	2078	$self->pre_load;
1551	Coro::cede;	2079	cf::cede_to_tick;
1552		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1554	or return;	2084	or return;
1555		2085
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2087	if delete $self->{load_original};
1558		2088
1559	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2090	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2093	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1564	}	2097	}
1565	}	2098	}
1566		2099
1567	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1568	# now do the right thing for maps	2103	# now do the right thing for maps
1569	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2106	unless $self->difficulty;
1572	Coro::cede;	2107	cf::cede_to_tick;
1573		2108
1574	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2110	$self->decay_objects;
1576	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1577	$self->update_buttons;	2112	$self->update_buttons;
1578	Coro::cede;	2113	cf::cede_to_tick;
1579	$self->set_darkness_map;	2114	$self->set_darkness_map;
1580	Coro::cede;	2115	cf::cede_to_tick;
1581	$self->activate;	2116	$self->activate;
1582	}	2117	}
1583		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2123	}
1586		2124
1587	$self->post_load;	2125	$self->post_load;
1588	}	2126	}
1589		2127
…		…
1598		2136
1599	$self	2137	$self
1600	}	2138	}
1601		2139
1602	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2141	sub load_neighbours {
1604	my ($map) = @_;	2142	my ($map) = @_;
1605		2143
1606	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1607		2145
1608	for (0 .. 3) {	2146	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1610	or next;	2148	or next;
1611	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1612	or next;	2150	or next;
1613	$neigh->load;	2151	$neigh->load;
1614		2152
		2153	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2156	}
1618		2157
1619	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1621	or next;	2161	or next;
1622	$neigh->load;	2162	$neigh->load;
1623	}	2163	}
1624	}	2164	}
1625		2165
…		…
1630	}	2170	}
1631		2171
1632	sub do_load_sync {	2172	sub do_load_sync {
1633	my ($map) = @_;	2173	my ($map) = @_;
1634		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1635	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1636	}	2179	}
1637		2180
1638	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1640		2183
1641	sub find_async {	2184	sub find_async {
1642	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1643		2186
1644	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1645		2188
1646	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2191	}
1649		2192
1650	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1651	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1652	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2200	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2201	$map->load if $v;
		2202	}
1657		2203
1658	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1659	}	2205	}
1660	}	2206	}
1661	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1662	};	2208	};
1663	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2212	}
1667		2213
1668	sub save {	2214	sub save {
1669	my ($self) = @_;	2215	my ($self) = @_;
1670		2216
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2218
1673	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1674		2220
1675	return unless $self->dirty;	2221	return unless $self->dirty;
1676		2222
…		…
1682	return if $self->{deny_save};	2228	return if $self->{deny_save};
1683		2229
1684	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1685		2231
1686	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1688	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1689		2238
1690	if ($uniq) {	2239	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2242	} else {
…		…
1699	my ($self) = @_;	2248	my ($self) = @_;
1700		2249
1701	# save first because save cedes	2250	# save first because save cedes
1702	$self->save;	2251	$self->save;
1703		2252
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2254
1706	return if $self->players;	2255	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2257	return if $self->{deny_save};
1709		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2263	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2264	}
1713		2265
1714	sub reset_at {	2266	sub reset_at {
1715	my ($self) = @_;	2267	my ($self) = @_;
1716		2268
…		…
1748	if $uniq;	2300	if $uniq;
1749	}	2301	}
1750		2302
1751	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1752		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2307	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2308
1757	$self->unlink_save;	2309	$self->unlink_save;
1758	$self->destroy;	2310	$self->destroy;
1759	}	2311	}
1760		2312
1761	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1762		2314
1763	sub nuke {	2315	sub nuke {
1764	my ($self) = @_;	2316	my ($self) = @_;
1765		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1766	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1767		2322
1768	$self->unlink_save;	2323	$self->unlink_save;
1769		2324
1770	bless $self, "cf::map";	2325	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2330
1776	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1777		2333
1778	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
1779	}	2335	}
1780		2336
1781	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
1782		2338
1783	Returns an arrayref with all map paths of currently instantiated and saved	2339	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2340	maps. May block.
1785		2341
1786	=cut	2342	=cut
1787		2343
1788	sub tmp_maps() {	2344	sub tmp_maps() {
1789	[	2345	[
1790	map {	2346	map {
1791	utf8::decode $_;	2347	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2348	/\.map$/
1793	? normalise $_	2349	? normalise $_
1794	: ()	2350	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2351	} @{ aio_readdir $TMPDIR or [] }
1796	]	2352	]
1797	}	2353	}
1798		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
		2371	}
		2372
1799	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1800		2374
1801	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2376	instantiated unique items. May block.
1803		2377
…		…
1805		2379
1806	sub unique_maps() {	2380	sub unique_maps() {
1807	[	2381	[
1808	map {	2382	map {
1809	utf8::decode $_;	2383	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
1811	? normalise $_	2387	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2389	]
1815	}	2390	}
1816		2391
1817	package cf;
1818
1819	=back	2392	=back
1820		2393
1821	=head3 cf::object	2394	=head3 cf::object
1822		2395
1823	=cut	2396	=cut
…		…
1826		2399
1827	=over 4	2400	=over 4
1828		2401
1829	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1830		2403
1831	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1832		2406
1833	=cut	2407	=cut
1834		2408
1835	sub inv_recursive_;	2409	sub inv_recursive_;
1836	sub inv_recursive_ {	2410	sub inv_recursive_ {
1837	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1838	}	2412	}
1839		2413
1840	sub inv_recursive {	2414	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1842	}	2444	}
1843		2445
1844	package cf;	2446	package cf;
1845		2447
1846	=back	2448	=back
…		…
1865		2467
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2469
1868	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1870	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1873	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1874	}	2495	}
1875		2496
1876	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1877		2498
1878	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1960		2581
1961	$map->load;	2582	$map->load;
1962	$map->load_diag;	2583	$map->load_neighbours;
1963		2584
1964	return unless $self->contr->active;	2585	return unless $self->contr->active;
1965	$self->activate_recursive;	2586	$self->activate_recursive;
1966		2587
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1969	}	2590	}
1970		2591
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2593
1973	Moves the player to the given map-path and coordinates by first freezing	2594	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2596	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2597	the new (success) or old (failed) map position. In either case, $done will
		2598	be called at the end of this process.
1977		2599
1978	=cut	2600	=cut
1979		2601
1980	our $GOTOGEN;	2602	our $GOTOGEN;
1981		2603
1982	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2606
1985	# do generation counting so two concurrent goto's will be executed in-order	2607	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2609
1988	$self->enter_link;	2610	$self->enter_link;
1989		2611
1990	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1991	my $map = eval {	2634	my $map = eval {
1992	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
1993		2636
1994	if ($map) {	2637	if ($map) {
1995	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
1997	} else {	2640	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2642	}
2000		2643
2001	$map	2644	$map
2002	};	2645	};
2003		2646
…		…
2008		2651
2009	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
2012	}	2655	}
		2656
		2657	$done->() if $done;
2013	})->prio (1);	2658	})->prio (1);
2014	}	2659	}
2015		2660
2016	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2017		2662
…		…
2054	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2055	}	2700	}
2056		2701
2057	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2058		2703
2059	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2062		2707
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2086	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2088		2733
2089	$self->enter_link;	2734	$self->enter_link;
2090		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2091	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2092	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2093	unless (eval {	2744	unless (eval {
2094	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2095		2746
2096	1;	2747	1;
…		…
2122		2773
2123	utf8::encode $text;	2774	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2776	}
2126		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2127	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2128		2903
2129	Sends an exti event to the client.	2904	Sends an ext event to the client.
2130		2905
2131	=cut	2906	=cut
2132		2907
2133	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2135		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2138	}	2935	}
2139		2936
2140	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2141		2938
2142	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2942
2146	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2944	become reliable at some point in the future.
2148		2945
2149	=cut	2946	=cut
2150		2947
2151	sub cf::client::query {	2948	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2957	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2959
2163	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2165	}	2964	}
2166		2965
2167	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2168	on_reply => sub {	2972	on_reply => sub {
2169	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2170		2974
2171	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2172	# get handled first	2976	# get handled first
…		…
2184	} else {	2988	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	2990	}
2187	}	2991	}
2188	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2189	);	3019	);
2190		3020
2191	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2192		3022
2193	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2236		3066
2237	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2238		3068
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2240		3074
2241	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2242		3076
2243	=pod	3077	=pod
2244		3078
2245	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2246		3080
2247	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2248	cf::object::player player	3085	cf::object::player
2249	cf::player peaceful	3086	player
2250	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2251		3093
2252	=cut	3094	=cut
2253		3095
2254	for (	3096	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2256	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2259	) {	3103	) {
2260	no strict 'refs';	3104	no strict 'refs';
…		…
2331	=back	3175	=back
2332		3176
2333	=cut	3177	=cut
2334		3178
2335	#############################################################################	3179	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3180	# the server's init and main functions
2509		3181
2510	sub load_facedata($) {	3182	sub load_facedata($) {
2511	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3190
2513	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2514		3192
2515	my $facedata;	3193	my $facedata;
2516	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2520		3198
2521	$facedata->{version} == 2	3199	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2524	{	3209	{
2525	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2526		3211
2527	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3219
		3220	cf::cede_to_tick;
2533	}	3221	}
2534		3222
2535	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2537	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2538	or next;	3227	or next;
		3228
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3232	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3234	}
2544	Coro::cede;	3235
		3236	cf::cede_to_tick;
2545	}	3237	}
2546	}	3238	}
2547		3239
2548	{	3240	{
2549	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2550		3242
2551	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3245	cf::cede_to_tick;
2554	}	3246	}
2555		3247
2556	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2557	}	3249	}
2558		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2559	1	3286	1
2560	}	3287	}
2561		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2562	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2563	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
2565	}	3339	}
2566		3340
2567	sub reload_facedata {	3341	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3342	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3343	or die "unable to load facedata\n";
…		…
2580	}	3354	}
2581		3355
2582	sub reload_resources {	3356	sub reload_resources {
2583	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2584		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2585	reload_regions;	3361	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3362	reload_treasures;
2590		3363
2591	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2592	}	3365	}
2593		3366
2594	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2595	reload_resources;	3370	reload_resources;
2596	}	3371	}
2597		3372
2598	sub cfg_load {	3373	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3375	or return;
2601		3376
2602	local $/;	3377	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2604		3379
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3381
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2619	sub main {	3394	sub main {
2620	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3398	(async {
2624	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2626	};	3402	};
2627		3403
2628	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2629	db_init;	3407	db_init;
2630	load_extensions;	3408	load_extensions;
2631		3409
2632	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2633	Event::loop;	3414	EV::loop;
2634	}	3415	}
2635		3416
2636	#############################################################################	3417	#############################################################################
2637	# initialisation and cleanup	3418	# initialisation and cleanup
2638		3419
2639	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2640	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2649	},
2650	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	my $runtime = "$LOCALDIR/runtime";
		3432
		3433	# first touch the runtime file to show we are still running:
		3434	# the fsync below can take a very very long time.
		3435
		3436	IO::AIO::aio_utime $runtime, undef, undef;
		3437
		3438	my $guard = cf::lock_acquire "write_runtime";
		3439
		3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3441	or return;
		3442
		3443	my $value = $cf::RUNTIME + 90 + 10;
		3444	# 10 is the runtime save interval, for a monotonic clock
		3445	# 60 allows for the watchdog to kill the server.
		3446
		3447	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3448	and return;
		3449
		3450	# always fsync - this file is important
		3451	aio_fsync $fh
		3452	and return;
		3453
		3454	# touch it again to show we are up-to-date
		3455	aio_utime $fh, undef, undef;
		3456
		3457	close $fh
		3458	or return;
		3459
		3460	aio_rename "$runtime~", $runtime
		3461	and return;
		3462
		3463	warn "runtime file written.\n";
		3464
2651	}	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2652	}	3509	}
2653		3510
2654	sub emergency_save() {	3511	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2656		3513
…		…
2662	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3525	$pl->save;
2668	}	3526	}
2669	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2670		3528
2671	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2677	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2678		3536
2679	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2682	};	3544	};
2683		3545
2684	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2685	}	3547	}
2686		3548
…		…
2701	warn "reloading...";	3563	warn "reloading...";
2702		3564
2703	warn "entering sync_job";	3565	warn "entering sync_job";
2704		3566
2705	cf::sync_job {	3567	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
2707	cf::emergency_save;	3569	cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
2709		3571
2710	warn "syncing database to disk";	3572	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3574
2713	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719		3576
2720	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2721	for (;;) {	3578	for (;;) {
2722	BDB::flush;	3579	BDB::flush;
2723	IO::AIO::flush;	3580	IO::AIO::flush;
2724	Coro::cede;	3581	Coro::cede_notself;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";	3583	warn "iterate...";
2727	}	3584	}
2728		3585
2729	++$RELOAD;	3586	++$RELOAD;
…		…
2733	%EXT_CORO = ();	3590	%EXT_CORO = ();
2734		3591
2735	warn "removing commands";	3592	warn "removing commands";
2736	%COMMAND = ();	3593	%COMMAND = ();
2737		3594
2738	warn "removing ext commands";	3595	warn "removing ext/exti commands";
2739	%EXTCMD = ();	3596	%EXTCMD = ();
		3597	%EXTICMD = ();
2740		3598
2741	warn "unloading/nuking all extensions";	3599	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3600	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3601	warn "... unloading $pkg";
2744		3602
…		…
2787	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
2788	require cf;	3646	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3648
2791	warn "loading config and database again";	3649	warn "loading config and database again";
2792	cf::cfg_load;	3650	cf::reload_config;
2793		3651
2794	warn "loading extensions";	3652	warn "loading extensions";
2795	cf::load_extensions;	3653	cf::load_extensions;
2796		3654
2797	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
2804	warn "leaving sync_job";	3662	warn "leaving sync_job";
2805		3663
2806	1	3664	1
2807	} or do {	3665	} or do {
2808	warn $@;	3666	warn $@;
2809	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3668	};
2812		3669
2813	warn "reloaded";	3670	warn "reloaded";
2814	};	3671	};
2815		3672
…		…
2817		3674
2818	sub reload_perl() {	3675	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3676	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3677	# coro crashes during coro_state_free->destroy here.
2821		3678
2822	$RELOAD_WATCHER ||= Event->timer (	3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2823	reentrant => 0,
2824	after => 0,
2825	data => WF_AUTOCANCEL,
2826	cb => sub {
2827	do_reload_perl;	3680	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3681	undef $RELOAD_WATCHER;
2829	},
2830	);	3682	};
2831	}	3683	}
2832		3684
2833	register_command "reload" => sub {	3685	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
2835		3687
2836	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
		3690	async {
		3691	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3692	reload_perl;
		3693	};
2839	}	3694	}
2840	};	3695	};
2841		3696
2842	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
2843		3698
…		…
2845		3700
2846	our @WAIT_FOR_TICK;	3701	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3702	our @WAIT_FOR_TICK_BEGIN;
2848		3703
2849	sub wait_for_tick {	3704	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	3705	return if tick_inhibit || $Coro::current == $Coro::main;
2852		3706
2853	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3708	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3709	$signal->wait;
2856	}	3710	}
2857		3711
2858	sub wait_for_tick_begin {	3712	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2861		3714
2862	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3716	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3717	$signal->wait;
2865	}	3718	}
2866		3719
2867	my $min = 1e6;#d#	3720	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
2879	return;	3724	return;
2880	}	3725	}
2881		3726
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
2885		3728
2886	0 && sync_job {#d#	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3731	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3732	$Coro::current->{desc} = "runtime saver";
2890	or die;	3733	write_runtime_sync
2891		3734	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3735	};
		3736	}
2908		3737
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3739	$sig->send;
2925	}	3740	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3741	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3742	$sig->send;
2928	}	3743	}
2929		3744
2930	$NOW = Event::time;	3745	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3747
2941	_post_tick;	3748	if (0) {
2942		3749	if ($NEXT_TICK) {
2943		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
2944	},	3754	}
2945	);	3755	}
2946		3756
2947	{	3757	{
2948	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3759
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
2958		3761	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3763
2974	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3770
2977	cf::sync_job {	3771	cf::sync_job {
2978	eval {	3772	eval {
2979	BDB::db_env_open	3773	BDB::db_env_open
2980	$DB_ENV,	3774	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3778	0666;
2985		3779
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3781	};
2991		3782
2992	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3784	};
2994	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
2995	}	3796	}
2996		3797
2997	{	3798	{
		3799	# configure IO::AIO
		3800
2998	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3804	}
3011		3805
3012	my $_log_backtrace;	3806	my $_log_backtrace;
3013		3807
3014	sub _log_backtrace {	3808	sub _log_backtrace {
…		…
3018		3812
3019	# limit the # of concurrent backtraces	3813	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3814	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3815	++$_log_backtrace;
3022	async {	3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
3023	my @bt = fork_call {	3819	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3820	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3823	or die "addr2line: $!";

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