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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
309	}	441	}
310		442
311	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
312		444
313	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		450
319	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
320		452
321	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
322		454
323	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
326		459
327	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
330	fast or be very important.	463	fast or be very important.
…		…
333		466
334	sub sync_job(&) {	467	sub sync_job(&) {
335	my ($job) = @_;	468	my ($job) = @_;
336		469
337	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	471	my $time = EV::time;
339		472
340	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
342		475
343	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	477
345	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
346		479
347	my $busy = 1;	480	my $busy = 1;
348	my @res;	481	my @res;
349		482
350	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	485	@res = eval { $job->() };
352	warn $@ if $@;	486	warn $@ if $@;
353	undef $busy;	487	undef $busy;
354	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
355		489
356	while ($busy) {	490	while ($busy) {
357	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
358	}	495	}
		496	}
359		497
360	$time = Event::time - $time;	498	my $time = EV::time - $time;
361		499
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	500	$TICK_START += $time; # do not account sync jobs to server load
366		501
367	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
368	} else {	503	} else {
369	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
370		505
…		…
390	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
391		526
392	$coro	527	$coro
393	}	528	}
394		529
395	sub write_runtime {	530	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		531
398	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
400		536
401	IO::AIO::aio_utime $runtime, undef, undef;	537	=cut
402		538
403	my $guard = cf::lock_acquire "write_runtime";	539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
404		541
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	# we seemingly have to make a local copy of the whole thing,
406	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
407		545
408	my $value = $cf::RUNTIME + 90 + 10;	546	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	547	reset_signals;
410	# 60 allows for the watchdog to kill the server.	548	&$cb
		549	}, @args;
411		550
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	wantarray ? @res : $res[-1]
413	and return;	552	}
414		553
415	# always fsync - this file is important	554	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		555
419	# touch it again to show we are up-to-date	556	=cut
420	aio_utime $fh, undef, undef;
421		557
422	close $fh	558	our %coin_alias = (
423	or return;	559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
424		574
425	aio_rename "$runtime~", $runtime	575	sub coin_from_name($) {
426	and return;	576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
427		580
428	warn "runtime file written.\n";	581	=item $value = cf::db_get $family => $key
429		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
430	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
431	}	706	}
432		707
433	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
434		709
435	Log a datalog packet of the given type with the given key-value pairs.	710	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")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
455		730
456	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	733	Deliantra).
459		734
460	=over 4	735	=over 4
461		736
462	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
463		738
…		…
665	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
666	}	941	}
667		942
668	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
669	} else {	944	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	946	}
672		947
673	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
674	}	949	}
675		950
…		…
715	";	990	";
716	die if $@;	991	die if $@;
717	}	992	}
718		993
719	our $override;	994	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		996
722	sub override {	997	sub override {
723	$override = 1;	998	$override = 1;
724	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
725	}	1000	}
726		1001
727	sub do_invoke {	1002	sub do_invoke {
728	my $event = shift;	1003	my $event = shift;
729	my $callbacks = shift;	1004	my $callbacks = shift;
730		1005
731	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
732		1007
733	local $override;	1008	local $override;
734		1009
735	for (@$callbacks) {	1010	for (@$callbacks) {
736	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
745	}	1020	}
746		1021
747	0	1022	0
748	}	1023	}
749		1024
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1026
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1028
754	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
755		1030
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1034
760	=back	1035	=back
761		1036
762	=cut	1037	=cut
763		1038
764	#############################################################################	1039	#############################################################################
765	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
766		1083
767	sub reattach {	1084	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1086	my ($obj) = @_;
770		1087
…		…
791	cf::attachable->attach (	1108	cf::attachable->attach (
792	prio => -1000000,	1109	prio => -1000000,
793	on_instantiate => sub {	1110	on_instantiate => sub {
794	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
795		1112
796	$data = from_json $data;	1113	$data = decode_json $data;
797		1114
798	for (@$data) {	1115	for (@$data) {
799	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
800		1117
801	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1134	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
819		1136
820	sync_job {	1137	sync_job {
821	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
824		1142
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1147	close $fh;
830		1148
831	if (@$objs) {	1149	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1155	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
839	}	1157	}
…		…
847	}	1165	}
848	} else {	1166	} else {
849	aio_unlink $filename;	1167	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
851	}	1169	}
852	}	1170	};
853	}	1171	}
854		1172
855	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
857		1175
…		…
869	or return;	1187	or return;
870		1188
871	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
873	or return;	1191	or return;
		1192
874	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
875	}	1195	}
876		1196
		1197	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1199	$decname, length $data, scalar @{$av || []};
		1200
879	return ($data, $av);	1201	($data, $av)
880	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
881		1209
882	#############################################################################	1210	#############################################################################
883	# command handling &c	1211	# command handling &c
884		1212
885	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1227	}
900		1228
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1230
903	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
904		1236
905	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
906	called.	1238	called.
907		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
908	=cut	1251	=cut
909		1252
910	sub register_extcmd {	1253	sub register_extcmd {
911	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
912		1255
913	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
914	}	1263	}
915		1264
916	cf::player->attach (	1265	cf::player->attach (
917	on_command => sub {	1266	on_command => sub {
918	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1276	cf::override;
928	},	1277	},
929	on_extcmd => sub {	1278	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
931		1280
932	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1282
934	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
940	} else {	1298	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1300	}
943		1301
944	cf::override;	1302	cf::override;
…		…
967	path => $path,	1325	path => $path,
968	base => $base,	1326	base => $base,
969	pkg => $pkg,	1327	pkg => $pkg,
970	);	1328	);
971		1329
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1332
975	$ext{source} =	1333	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1334	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1335	. "#line 1 \"$path\"\n{\n"
978	. $source	1336	. $source
…		…
984	my %done;	1342	my %done;
985	while (%todo) {	1343	while (%todo) {
986	my $progress;	1344	my $progress;
987		1345
988	while (my ($k, $v) = each %todo) {	1346	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1347	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1348	goto skip
991	unless exists $done{$_};	1349	unless exists $done{$_};
992	}	1350	}
993		1351
994	warn "... loading '$k' into '$v->{pkg}'\n";	1352	warn "... loading '$k' into '$v->{pkg}'\n";
995		1353
996	unless (eval $v->{source}) {	1354	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1356	: "$v->{base}: extension inactive.\n";
999		1357
1000	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1359	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1361	}
1005		1362
1006	die $msg;	1363	warn $msg;
1007	}	1364	}
1008		1365
1009	$done{$k} = delete $todo{$k};	1366	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
1011	}	1369	}
1012		1370
1013	skip:	1371	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1373	unless $progress;
…		…
1017	};	1375	};
1018	}	1376	}
1019		1377
1020	#############################################################################	1378	#############################################################################
1021		1379
		1380	=back
		1381
1022	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
1023		1383
1024	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
1025		1385
1026	=cut	1386	=cut
…		…
1030	use Coro::AIO;	1390	use Coro::AIO;
1031		1391
1032	=head3 cf::player	1392	=head3 cf::player
1033		1393
1034	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
1035		1409
1036	=item cf::player::find $login	1410	=item cf::player::find $login
1037		1411
1038	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
1039		1413
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1453
1080	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1083	}	1462	}
1084	}	1463	}
1085	}	1464	}
1086		1465
…		…
1096		1475
1097	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1099		1478
1100	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1101	Coro::cede;	1480	cf::cede_to_tick;
1102	}	1481	}
1103		1482
1104	sub new($) {	1483	sub new($) {
1105	my ($login) = @_;	1484	my ($login) = @_;
1106		1485
…		…
1110	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1111		1490
1112	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1113		1492
1114	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1115	}	1504	}
1116		1505
1117	=item $pl->quit_character	1506	=item $pl->quit_character
1118		1507
1119	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1563	or return [];
1175		1564
1176	my @logins;	1565	my @logins;
1177		1566
1178	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1182		1576
1183	utf8::decode $login;	1577	utf8::decode $login;
1184	push @logins, $login;	1578	push @logins, $login;
1185	}	1579	}
1186		1580
…		…
1213	}	1607	}
1214		1608
1215	\@paths	1609	\@paths
1216	}	1610	}
1217		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1218	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1219		1706
1220	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1221		1708
1222	=cut	1709	=cut
1223		1710
1224	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1226		1713
1227	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1715	}
1231		1716
1232	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1233		1718
1234	Sends an ext event to the client.	1719	Sends an ext event to the client.
1235		1720
1236	=cut	1721	=cut
1237		1722
1238	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1240		1725
1241	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1242	}	1727	}
1243		1728
1244	=head3 cf::region	1729	=head3 cf::region
1245		1730
1246	=over 4	1731	=over 4
…		…
1249		1734
1250	package cf::region;	1735	package cf::region;
1251		1736
1252	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1253		1738
1254	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1255		1740
1256	=cut	1741	=cut
1257		1742
1258	sub find_by_path($) {	1743	sub find_by_path($) {
1259	my ($path) = @_;	1744	my ($path) = @_;
1260		1745
1261	my ($match, $specificity);	1746	my ($match, $specificity);
1262		1747
1263	for my $region (list) {	1748	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1267	}	1752	}
1268	}	1753	}
1269		1754
…		…
1290	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1292		1777
1293	sub generate_random_map {	1778	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1295	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1784	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1390	return $self;	1878	return $self;
1391	}	1879	}
1392	}	1880	}
1393		1881
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1883	()
1396	}	1884	}
1397		1885
1398	sub init {	1886	sub init {
1399	my ($self) = @_;	1887	my ($self) = @_;
…		…
1421		1909
1422	# the temporary/swap location	1910	# the temporary/swap location
1423	sub save_path {	1911	sub save_path {
1424	my ($self) = @_;	1912	my ($self) = @_;
1425		1913
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1915	"$TMPDIR/$path.map"
1428	}	1916	}
1429		1917
1430	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1431	sub uniq_path {	1919	sub uniq_path {
1432	my ($self) = @_;	1920	my ($self) = @_;
1433		1921
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1923	"$UNIQUEDIR/$path"
1436	}	1924	}
1437		1925
1438	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1439	# all maps in C++...	1927	# all maps in C++...
…		…
1462		1950
1463	sub load_header_from($) {	1951	sub load_header_from($) {
1464	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1465		1953
1466	utf8::encode $path;	1954	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1472		1963
1473	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1474		1965
1475	1	1966	1
1476	}	1967	}
…		…
1530	sub find {	2021	sub find {
1531	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1532		2023
1533	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1534		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1536		2028
1537	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1539	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1540	or return;	2034	or return;
1541		2035
1542	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1543		2037
…		…
1545	or return;	2039	or return;
1546		2040
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1550	$map->reset;	2046	$map->reset;
1551	undef $guard;
1552	return find $path;	2047	return find $path;
1553	}	2048	}
1554		2049
1555	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1556	}	2051	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1566		2061
1567	my $path = $self->{path};	2062	my $path = $self->{path};
1568		2063
1569	{	2064	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1571		2066
		2067	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2069
1574	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1575		2071
1576	$self->alloc;	2072	$self->alloc;
1577		2073
1578	$self->pre_load;	2074	$self->pre_load;
1579	Coro::cede;	2075	cf::cede_to_tick;
1580		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2079	$self->_load_objects ($f)
1582	or return;	2080	or return;
1583		2081
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	2083	if delete $self->{load_original};
1586		2084
1587	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2086	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2089	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1592	}	2093	}
1593	}	2094	}
1594		2095
1595	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1596	# now do the right thing for maps	2099	# now do the right thing for maps
1597	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2102	unless $self->difficulty;
1600	Coro::cede;	2103	cf::cede_to_tick;
1601		2104
1602	unless ($self->{deny_activate}) {	2105	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2106	$self->decay_objects;
1604	$self->fix_auto_apply;	2107	$self->fix_auto_apply;
1605	$self->update_buttons;	2108	$self->update_buttons;
1606	Coro::cede;	2109	cf::cede_to_tick;
1607	$self->set_darkness_map;	2110	$self->set_darkness_map;
1608	Coro::cede;	2111	cf::cede_to_tick;
1609	$self->activate;	2112	$self->activate;
1610	}	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
1611		2117
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	2119	}
1614		2120
1615	$self->post_load;	2121	$self->post_load;
…		…
1626		2132
1627	$self	2133	$self
1628	}	2134	}
1629		2135
1630	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2137	sub load_neighbours {
1632	my ($map) = @_;	2138	my ($map) = @_;
1633		2139
1634	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1635		2141
1636	for (0 .. 3) {	2142	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1638	or next;	2144	or next;
1639	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1640	or next;	2146	or next;
1641	$neigh->load;	2147	$neigh->load;
1642		2148
		2149	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2152	}
1646		2153
1647	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1649	or next;	2157	or next;
1650	$neigh->load;	2158	$neigh->load;
1651	}	2159	}
1652	}	2160	}
1653		2161
…		…
1658	}	2166	}
1659		2167
1660	sub do_load_sync {	2168	sub do_load_sync {
1661	my ($map) = @_;	2169	my ($map) = @_;
1662		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1663	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1664	}	2175	}
1665		2176
1666	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1668		2179
1669	sub find_async {	2180	sub find_async {
1670	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1671		2182
1672	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1673		2184
1674	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2187	}
1677		2188
1678	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1679	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1680	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2196	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2197	$map->load if $v;
		2198	}
1685		2199
1686	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1687	}	2201	}
1688	}	2202	}
1689	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1690	};	2204	};
1691	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2208	}
1695		2209
1696	sub save {	2210	sub save {
1697	my ($self) = @_;	2211	my ($self) = @_;
1698		2212
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2214
1701	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1702		2216
1703	return unless $self->dirty;	2217	return unless $self->dirty;
1704		2218
…		…
1710	return if $self->{deny_save};	2224	return if $self->{deny_save};
1711		2225
1712	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1713		2227
1714	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1716	};	2231	};
1717		2232
1718	if ($uniq) {	2233	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2242	my ($self) = @_;
1728		2243
1729	# save first because save cedes	2244	# save first because save cedes
1730	$self->save;	2245	$self->save;
1731		2246
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2248
1734	return if $self->players;	2249	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2251	return if $self->{deny_save};
1737		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2257	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2258	}
1741		2259
1742	sub reset_at {	2260	sub reset_at {
1743	my ($self) = @_;	2261	my ($self) = @_;
1744		2262
…		…
1776	if $uniq;	2294	if $uniq;
1777	}	2295	}
1778		2296
1779	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1780		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2301	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2302
1785	$self->unlink_save;	2303	$self->unlink_save;
1786	$self->destroy;	2304	$self->destroy;
1787	}	2305	}
1788		2306
1789	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1790		2308
1791	sub nuke {	2309	sub nuke {
1792	my ($self) = @_;	2310	my ($self) = @_;
1793		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1794	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1795		2316
1796	$self->unlink_save;	2317	$self->unlink_save;
1797		2318
1798	bless $self, "cf::map";	2319	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2324
1804	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1805		2327
1806	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
1807	}	2329	}
1808		2330
1809	=item $maps = cf::map::tmp_maps	2331	=item $maps = cf::map::tmp_maps
…		…
1851		2373
1852	sub unique_maps() {	2374	sub unique_maps() {
1853	[	2375	[
1854	map {	2376	map {
1855	utf8::decode $_;	2377	utf8::decode $_;
1856	/\.map$/	2378	s/\.map$//; # TODO future compatibility hack
		2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2380	? ()
1857	? normalise $_	2381	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2382	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2383	]
1861	}	2384	}
1862		2385
1863	package cf;
1864
1865	=back	2386	=back
1866		2387
1867	=head3 cf::object	2388	=head3 cf::object
1868		2389
1869	=cut	2390	=cut
…		…
1872		2393
1873	=over 4	2394	=over 4
1874		2395
1875	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1876		2397
1877	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1878		2400
1879	=cut	2401	=cut
1880		2402
1881	sub inv_recursive_;	2403	sub inv_recursive_;
1882	sub inv_recursive_ {	2404	sub inv_recursive_ {
1883	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1884	}	2406	}
1885		2407
1886	sub inv_recursive {	2408	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1888	}	2438	}
1889		2439
1890	package cf;	2440	package cf;
1891		2441
1892	=back	2442	=back
…		…
1911		2461
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2463
1914	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1916	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1919	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1920	}	2489	}
1921		2490
1922	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1923		2492
1924	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
2006		2575
2007	$map->load;	2576	$map->load;
2008	$map->load_diag;	2577	$map->load_neighbours;
2009		2578
2010	return unless $self->contr->active;	2579	return unless $self->contr->active;
2011	$self->activate_recursive;	2580	$self->activate_recursive;
2012		2581
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
2015	}	2584	}
2016		2585
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2587
2019	Moves the player to the given map-path and coordinates by first freezing	2588	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2589	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2590	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2591	the new (success) or old (failed) map position. In either case, $done will
		2592	be called at the end of this process.
2023		2593
2024	=cut	2594	=cut
2025		2595
2026	our $GOTOGEN;	2596	our $GOTOGEN;
2027		2597
2028	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2600
2031	# do generation counting so two concurrent goto's will be executed in-order	2601	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2603
2034	$self->enter_link;	2604	$self->enter_link;
2035		2605
2036	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
2037	my $map = eval {	2628	my $map = eval {
2038	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
2039		2630
2040	if ($map) {	2631	if ($map) {
2041	$map = $map->customise_for ($self);	2632	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2633	$map = $check->($map) if $check && $map;
2043	} else {	2634	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2636	}
2046		2637
2047	$map	2638	$map
2048	};	2639	};
2049		2640
…		…
2054		2645
2055	if ($gen == $self->{_goto_generation}) {	2646	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2647	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
2058	}	2649	}
		2650
		2651	$done->() if $done;
2059	})->prio (1);	2652	})->prio (1);
2060	}	2653	}
2061		2654
2062	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
2063		2656
…		…
2100	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
2101	}	2694	}
2102		2695
2103	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
2104		2697
2105	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
2106	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
2108		2701
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
…		…
2132	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
2134		2727
2135	$self->enter_link;	2728	$self->enter_link;
2136		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
2137	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
2138	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2738	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
2141		2740
2142	1;	2741	1;
…		…
2168		2767
2169	utf8::encode $text;	2768	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2770	}
2172		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2173	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2174		2897
2175	Sends an exti event to the client.	2898	Sends an ext event to the client.
2176		2899
2177	=cut	2900	=cut
2178		2901
2179	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2181		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2184	}	2929	}
2185		2930
2186	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2187		2932
2188	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2936
2192	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2938	become reliable at some point in the future.
2194		2939
2195	=cut	2940	=cut
2196		2941
2197	sub cf::client::query {	2942	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2951	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2953
2209	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2211	}	2958	}
2212		2959
2213	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2214	on_reply => sub {	2966	on_reply => sub {
2215	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2216		2968
2217	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2218	# get handled first	2970	# get handled first
…		…
2230	} else {	2982	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2984	}
2233	}	2985	}
2234	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2235	);	3013	);
2236		3014
2237	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2238		3016
2239	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2282		3060
2283	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2284		3062
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2286		3068
2287	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2288		3070
2289	=pod	3071	=pod
2290		3072
2291	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2292		3074
2293	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2294	cf::object::player player	3079	cf::object::player
2295	cf::player peaceful	3080	player
2296	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2297		3087
2298	=cut	3088	=cut
2299		3089
2300	for (	3090	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2302	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2305	) {	3097	) {
2306	no strict 'refs';	3098	no strict 'refs';
…		…
2377	=back	3169	=back
2378		3170
2379	=cut	3171	=cut
2380		3172
2381	#############################################################################	3173	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3174	# the server's init and main functions
2555		3175
2556	sub load_facedata($) {	3176	sub load_facedata($) {
2557	my ($path) = @_;	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3184
2559	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2560		3186
2561	my $facedata;	3187	my $facedata;
2562	0 < aio_load $path, $facedata	3188	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3191	$facedata = Coro::Storable::thaw $facedata;
2566		3192
2567	$facedata->{version} == 2	3193	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
2570	{	3203	{
2571	my $faces = $facedata->{faceinfo};	3204	my $faces = $facedata->{faceinfo};
2572		3205
2573	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3208
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3213
		3214	cf::cede_to_tick;
2579	}	3215	}
2580		3216
2581	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2583	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2584	or next;	3221	or next;
		3222
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3226	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3228	}
2590	Coro::cede;	3229
		3230	cf::cede_to_tick;
2591	}	3231	}
2592	}	3232	}
2593		3233
2594	{	3234	{
2595	my $anims = $facedata->{animinfo};	3235	my $anims = $facedata->{animinfo};
2596		3236
2597	while (my ($anim, $info) = each %$anims) {	3237	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3239	cf::cede_to_tick;
2600	}	3240	}
2601		3241
2602	cf::anim::invalidate_all; # d'oh	3242	cf::anim::invalidate_all; # d'oh
2603	}	3243	}
2604		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
2605	1	3280	1
2606	}	3281	}
2607		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
2608	sub reload_regions {	3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
2609	load_resource_file "$MAPDIR/regions"	3316	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
2611	}	3323	}
2612		3324
2613	sub reload_facedata {	3325	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3326	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3327	or die "unable to load facedata\n";
2616	}	3328	}
2617		3329
2618	sub reload_archetypes {	3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3336	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3337	or die "unable to load archetypes\n";
2621	}	3338	}
2622		3339
2623	sub reload_treasures {	3340	sub reload_treasures {
…		…
2639		3356
2640	sub init {	3357	sub init {
2641	reload_resources;	3358	reload_resources;
2642	}	3359	}
2643		3360
2644	sub cfg_load {	3361	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3363	or return;
2647		3364
2648	local $/;	3365	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2650		3367
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3369
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2665	sub main {	3382	sub main {
2666	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3386	(async {
2670	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2672	};	3390	};
2673		3391
2674	cfg_load;	3392	reload_config;
2675	db_init;	3393	db_init;
2676	load_extensions;	3394	load_extensions;
2677		3395
2678	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2679	Event::loop;	3398	EV::loop;
2680	}	3399	}
2681		3400
2682	#############################################################################	3401	#############################################################################
2683	# initialisation and cleanup	3402	# initialisation and cleanup
2684		3403
2685	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2686	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2695	},
2696	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2697	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2698	}	3493	}
2699		3494
2700	sub emergency_save() {	3495	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2702		3497
…		…
2708	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3509	$pl->save;
2714	}	3510	}
2715	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2716		3512
2717	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2724		3520
2725	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2728	};	3528	};
2729		3529
2730	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2731	}	3531	}
2732		3532
…		…
2747	warn "reloading...";	3547	warn "reloading...";
2748		3548
2749	warn "entering sync_job";	3549	warn "entering sync_job";
2750		3550
2751	cf::sync_job {	3551	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3553	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2755		3555
2756	warn "syncing database to disk";	3556	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3558
2759	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765		3560
2766	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2767	for (;;) {	3562	for (;;) {
2768	BDB::flush;	3563	BDB::flush;
2769	IO::AIO::flush;	3564	IO::AIO::flush;
2770	Coro::cede;	3565	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3567	warn "iterate...";
2773	}	3568	}
2774		3569
2775	++$RELOAD;	3570	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3574	%EXT_CORO = ();
2780		3575
2781	warn "removing commands";	3576	warn "removing commands";
2782	%COMMAND = ();	3577	%COMMAND = ();
2783		3578
2784	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2786		3582
2787	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2790		3586
…		…
2833	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2834	require cf;	3630	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3632
2837	warn "loading config and database again";	3633	warn "loading config and database again";
2838	cf::cfg_load;	3634	cf::reload_config;
2839		3635
2840	warn "loading extensions";	3636	warn "loading extensions";
2841	cf::load_extensions;	3637	cf::load_extensions;
2842		3638
2843	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2850	warn "leaving sync_job";	3646	warn "leaving sync_job";
2851		3647
2852	1	3648	1
2853	} or do {	3649	} or do {
2854	warn $@;	3650	warn $@;
2855	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3652	};
2858		3653
2859	warn "reloaded";	3654	warn "reloaded";
2860	};	3655	};
2861		3656
…		…
2863		3658
2864	sub reload_perl() {	3659	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3660	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3661	# coro crashes during coro_state_free->destroy here.
2867		3662
2868	$RELOAD_WATCHER ||= Event->timer (	3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3664	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3665	undef $RELOAD_WATCHER;
2875	},
2876	);	3666	};
2877	}	3667	}
2878		3668
2879	register_command "reload" => sub {	3669	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2881		3671
2882	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
		3674	async {
		3675	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3676	reload_perl;
		3677	};
2885	}	3678	}
2886	};	3679	};
2887		3680
2888	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2889		3682
…		…
2891		3684
2892	our @WAIT_FOR_TICK;	3685	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3686	our @WAIT_FOR_TICK_BEGIN;
2894		3687
2895	sub wait_for_tick {	3688	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;	3689	return if tick_inhibit;
2897	return if $Coro::current == $Coro::main;	3690	return if $Coro::current == $Coro::main;
2898		3691
2899	my $signal = new Coro::Signal;	3692	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3693	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3694	$signal->wait;
2902	}	3695	}
2903		3696
2904	sub wait_for_tick_begin {	3697	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;	3698	return if tick_inhibit;
2906	return if $Coro::current == $Coro::main;	3699	return if $Coro::current == $Coro::main;
2907		3700
2908	my $signal = new Coro::Signal;	3701	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3702	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3703	$signal->wait;
2911	}	3704	}
2912		3705
2913	my $min = 1e6;#d#	3706	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2925	return;	3710	return;
2926	}	3711	}
2927		3712
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2931		3714
2932	0 && sync_job {#d#	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3717	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3718	$Coro::current->{desc} = "runtime saver";
2936	or die;	3719	write_runtime_sync
2937		3720	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3721	};
		3722	}
2954		3723
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3725	$sig->send;
2971	}	3726	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3727	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3728	$sig->send;
2974	}	3729	}
2975		3730
2976	$NOW = Event::time;	3731	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3733
2987	_post_tick;	3734	if (0) {
2988		3735	if ($NEXT_TICK) {
2989		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
2990	},	3740	}
2991	);	3741	}
2992		3742
2993	{	3743	{
2994	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3745
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3746	BDB::min_parallel 8;
3004		3747	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3748	$Coro::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3749
3020	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3756
3023	cf::sync_job {	3757	cf::sync_job {
3024	eval {	3758	eval {
3025	BDB::db_env_open	3759	BDB::db_env_open
3026	$DB_ENV,	3760	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3764	0666;
3031		3765
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3767	};
3037		3768
3038	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3770	};
3040	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
3041	}	3782	}
3042		3783
3043	{	3784	{
		3785	# configure IO::AIO
		3786
3044	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3789	$Coro::AIO::WATCHER->priority (1);
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3790	}
3057		3791
3058	my $_log_backtrace;	3792	my $_log_backtrace;
3059		3793
3060	sub _log_backtrace {	3794	sub _log_backtrace {
…		…
3064		3798
3065	# limit the # of concurrent backtraces	3799	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3800	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3801	++$_log_backtrace;
3068	async {	3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
3069	my @bt = fork_call {	3805	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3806	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3809	or die "addr2line: $!";

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