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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.424 by root, Sun Apr 20 05:24:55 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	248	)) {
204	no strict 'refs';	249	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	251	}
207		252
208	$Event::DIED = sub {	253	$EV::DIED = sub {
209	warn "error in event callback: @_";	254	warn "error in event callback: @_";
210	};	255	};
		256
		257	#############################################################################
211		258
212	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
213		260
214	=over 4	261	=over 4
215		262
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	282	$d
236	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
237	}	284	}
238		285
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
242		287
243	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
244		289
245	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
246		291
247	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
248		300
249	=item cf::lock_wait $string	301	=item cf::lock_wait $string
250		302
251	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
252		304
…		…
255	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
258	returned.	310	returned.
259		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
260	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
262		317
263	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
264		319
265	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
266		321
267	=cut	322	=cut
268		323
269	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
270		326
271	sub lock_wait($) {	327	sub lock_wait($) {
272	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
273		334
274	# wait for lock, if any	335	# wait for lock, if any
275	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	338	Coro::schedule;
…		…
283		344
284	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
285	lock_wait $key;	346	lock_wait $key;
286		347
287	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
288		350
289	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
292	}	355	}
293	}	356	}
294		357
…		…
297		360
298	! ! $LOCK{$key}	361	! ! $LOCK{$key}
299	}	362	}
300		363
301	sub freeze_mainloop {	364	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
303		366
304	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
306	};	428	}
307	$TICK_WATCHER->stop;	429	};
308	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
309	}	443	}
310		444
311	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
312		446
313	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		452
319	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
320		454
321	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
322		456
323	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
326		461
327	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
330	fast or be very important.	465	fast or be very important.
…		…
333		468
334	sub sync_job(&) {	469	sub sync_job(&) {
335	my ($job) = @_;	470	my ($job) = @_;
336		471
337	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	473	my $time = EV::time;
339		474
340	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
342		477
343	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	479
345	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
346		481
347	my $busy = 1;	482	my $busy = 1;
348	my @res;	483	my @res;
349		484
350	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	487	@res = eval { $job->() };
352	warn $@ if $@;	488	warn $@ if $@;
353	undef $busy;	489	undef $busy;
354	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
355		491
356	while ($busy) {	492	while ($busy) {
357	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
358	}	497	}
		498	}
359		499
360	$time = Event::time - $time;	500	my $time = EV::time - $time;
361		501
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
366		503
367	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
368	} else {	505	} else {
369	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
370		507
…		…
390	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
391		528
392	$coro	529	$coro
393	}	530	}
394		531
395	sub write_runtime {	532	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		533
398	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
400		538
401	IO::AIO::aio_utime $runtime, undef, undef;	539	=cut
402		540
403	my $guard = cf::lock_acquire "write_runtime";	541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
404		543
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	# we seemingly have to make a local copy of the whole thing,
406	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
407		547
408	my $value = $cf::RUNTIME + 90 + 10;	548	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	549	reset_signals;
410	# 60 allows for the watchdog to kill the server.	550	&$cb
		551	}, @args;
411		552
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	wantarray ? @res : $res[-1]
413	and return;	554	}
414		555
415	# always fsync - this file is important	556	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		557
419	# touch it again to show we are up-to-date	558	=cut
420	aio_utime $fh, undef, undef;
421		559
422	close $fh	560	our %coin_alias = (
423	or return;	561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
424		576
425	aio_rename "$runtime~", $runtime	577	sub coin_from_name($) {
426	and return;	578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
427		582
428	warn "runtime file written.\n";	583	=item $value = cf::db_get $family => $key
429		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
430	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
431	}	708	}
432		709
433	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
434		711
435	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
455		732
456	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	735	Deliantra).
459		736
460	=over 4	737	=over 4
461		738
462	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
463		740
…		…
715	";	992	";
716	die if $@;	993	die if $@;
717	}	994	}
718		995
719	our $override;	996	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		998
722	sub override {	999	sub override {
723	$override = 1;	1000	$override = 1;
724	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
725	}	1002	}
726		1003
727	sub do_invoke {	1004	sub do_invoke {
728	my $event = shift;	1005	my $event = shift;
729	my $callbacks = shift;	1006	my $callbacks = shift;
730		1007
731	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
732		1009
733	local $override;	1010	local $override;
734		1011
735	for (@$callbacks) {	1012	for (@$callbacks) {
736	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
745	}	1022	}
746		1023
747	0	1024	0
748	}	1025	}
749		1026
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1028
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1030
754	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
755		1032
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1036
760	=back	1037	=back
761		1038
762	=cut	1039	=cut
763		1040
764	#############################################################################	1041	#############################################################################
765	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
766		1085
767	sub reattach {	1086	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1088	my ($obj) = @_;
770		1089
…		…
791	cf::attachable->attach (	1110	cf::attachable->attach (
792	prio => -1000000,	1111	prio => -1000000,
793	on_instantiate => sub {	1112	on_instantiate => sub {
794	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
795		1114
796	$data = from_json $data;	1115	$data = decode_json $data;
797		1116
798	for (@$data) {	1117	for (@$data) {
799	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
800		1119
801	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1136	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
819		1138
820	sync_job {	1139	sync_job {
821	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
824		1144
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1149	close $fh;
830		1150
831	if (@$objs) {	1151	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1157	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
839	}	1159	}
…		…
847	}	1167	}
848	} else {	1168	} else {
849	aio_unlink $filename;	1169	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
851	}	1171	}
852	}	1172	};
853	}	1173	}
854		1174
855	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
857		1177
…		…
869	or return;	1189	or return;
870		1190
871	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
873	or return;	1193	or return;
		1194
874	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
875	}	1197	}
876		1198
		1199	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
879	return ($data, $av);	1203	($data, $av)
880	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
881		1211
882	#############################################################################	1212	#############################################################################
883	# command handling &c	1213	# command handling &c
884		1214
885	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1229	}
900		1230
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1232
903	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
904		1238
905	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
906	called.	1240	called.
907		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
908	=cut	1253	=cut
909		1254
910	sub register_extcmd {	1255	sub register_extcmd {
911	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
912		1257
913	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
914	}	1265	}
915		1266
916	cf::player->attach (	1267	cf::player->attach (
917	on_command => sub {	1268	on_command => sub {
918	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1278	cf::override;
928	},	1279	},
929	on_extcmd => sub {	1280	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
931		1282
932	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1284
934	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
940	} else {	1300	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1302	}
943		1303
944	cf::override;	1304	cf::override;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
999		1359
1000	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1361	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1363	}
1005		1364
1006	warn $msg;	1365	warn $msg;
1007	}	1366	}
1008		1367
…		…
1018	};	1377	};
1019	}	1378	}
1020		1379
1021	#############################################################################	1380	#############################################################################
1022		1381
		1382	=back
		1383
1023	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
1024		1385
1025	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
1026		1387
1027	=cut	1388	=cut
…		…
1031	use Coro::AIO;	1392	use Coro::AIO;
1032		1393
1033	=head3 cf::player	1394	=head3 cf::player
1034		1395
1035	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1036		1411
1037	=item cf::player::find $login	1412	=item cf::player::find $login
1038		1413
1039	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1040		1415
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1455
1081	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1084	}	1464	}
1085	}	1465	}
1086	}	1466	}
1087		1467
…		…
1096	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1097		1477
1098	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1100		1480
		1481	cf::get_slot 0.01;
		1482
1101	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1102	Coro::cede;	1484	cf::cede_to_tick;
1103	}	1485	}
1104		1486
1105	sub new($) {	1487	sub new($) {
1106	my ($login) = @_;	1488	my ($login) = @_;
1107		1489
…		…
1111	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1112		1494
1113	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1114		1496
1115	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1116	}	1508	}
1117		1509
1118	=item $pl->quit_character	1510	=item $pl->quit_character
1119		1511
1120	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1567	or return [];
1176		1568
1177	my @logins;	1569	my @logins;
1178		1570
1179	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1183		1580
1184	utf8::decode $login;	1581	utf8::decode $login;
1185	push @logins, $login;	1582	push @logins, $login;
1186	}	1583	}
1187		1584
…		…
1214	}	1611	}
1215		1612
1216	\@paths	1613	\@paths
1217	}	1614	}
1218		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1219	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1220		1710
1221	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1222		1712
1223	=cut	1713	=cut
1224		1714
1225	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1227		1717
1228	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1719	}
1232		1720
1233	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1234		1722
1235	Sends an ext event to the client.	1723	Sends an ext event to the client.
1236		1724
1237	=cut	1725	=cut
1238		1726
1239	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1241		1729
1242	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1243	}	1731	}
1244		1732
1245	=head3 cf::region	1733	=head3 cf::region
1246		1734
1247	=over 4	1735	=over 4
…		…
1250		1738
1251	package cf::region;	1739	package cf::region;
1252		1740
1253	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1254		1742
1255	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1256		1744
1257	=cut	1745	=cut
1258		1746
1259	sub find_by_path($) {	1747	sub find_by_path($) {
1260	my ($path) = @_;	1748	my ($path) = @_;
1261		1749
1262	my ($match, $specificity);	1750	my ($match, $specificity);
1263		1751
1264	for my $region (list) {	1752	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1268	}	1756	}
1269	}	1757	}
1270		1758
…		…
1291	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1293		1781
1294	sub generate_random_map {	1782	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1296	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1788	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1390	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1391	return $self;	1882	return $self;
1392	}	1883	}
1393	}	1884	}
1394		1885
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1887	()
1397	}	1888	}
1398		1889
1399	sub init {	1890	sub init {
1400	my ($self) = @_;	1891	my ($self) = @_;
…		…
1422		1913
1423	# the temporary/swap location	1914	# the temporary/swap location
1424	sub save_path {	1915	sub save_path {
1425	my ($self) = @_;	1916	my ($self) = @_;
1426		1917
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1429	}	1920	}
1430		1921
1431	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1432	sub uniq_path {	1923	sub uniq_path {
1433	my ($self) = @_;	1924	my ($self) = @_;
1434		1925
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1437	}	1928	}
1438		1929
1439	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1440	# all maps in C++...	1931	# all maps in C++...
…		…
1463		1954
1464	sub load_header_from($) {	1955	sub load_header_from($) {
1465	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1466		1957
1467	utf8::encode $path;	1958	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1473		1967
1474	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1475		1969
1476	1	1970	1
1477	}	1971	}
…		…
1531	sub find {	2025	sub find {
1532	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1533		2027
1534	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1535		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1537		2032
1538	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1540	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1541	or return;	2038	or return;
1542		2039
1543	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1544		2041
…		…
1546	or return;	2043	or return;
1547		2044
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1551	$map->reset;	2050	$map->reset;
1552	undef $guard;
1553	return find $path;	2051	return find $path;
1554	}	2052	}
1555		2053
1556	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1557	}	2055	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1567		2065
1568	my $path = $self->{path};	2066	my $path = $self->{path};
1569		2067
1570	{	2068	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1572		2070
		2071	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2073
1575	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1576		2075
1577	$self->alloc;	2076	$self->alloc;
1578		2077
1579	$self->pre_load;	2078	$self->pre_load;
1580	Coro::cede;	2079	cf::cede_to_tick;
1581		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1583	or return;	2084	or return;
1584		2085
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	2087	if delete $self->{load_original};
1587		2088
1588	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2090	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2093	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1593	}	2097	}
1594	}	2098	}
1595		2099
1596	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1597	# now do the right thing for maps	2103	# now do the right thing for maps
1598	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2106	unless $self->difficulty;
1601	Coro::cede;	2107	cf::cede_to_tick;
1602		2108
1603	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2110	$self->decay_objects;
1605	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1606	$self->update_buttons;	2112	$self->update_buttons;
1607	Coro::cede;	2113	cf::cede_to_tick;
1608	$self->set_darkness_map;	2114	$self->set_darkness_map;
1609	Coro::cede;	2115	cf::cede_to_tick;
1610	$self->activate;	2116	$self->activate;
1611	}	2117	}
1612		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2123	}
1615		2124
1616	$self->post_load;	2125	$self->post_load;
1617	}	2126	}
1618		2127
…		…
1627		2136
1628	$self	2137	$self
1629	}	2138	}
1630		2139
1631	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2141	sub load_neighbours {
1633	my ($map) = @_;	2142	my ($map) = @_;
1634		2143
1635	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1636		2145
1637	for (0 .. 3) {	2146	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1639	or next;	2148	or next;
1640	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1641	or next;	2150	or next;
1642	$neigh->load;	2151	$neigh->load;
1643		2152
		2153	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2156	}
1647		2157
1648	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1650	or next;	2161	or next;
1651	$neigh->load;	2162	$neigh->load;
1652	}	2163	}
1653	}	2164	}
1654		2165
…		…
1659	}	2170	}
1660		2171
1661	sub do_load_sync {	2172	sub do_load_sync {
1662	my ($map) = @_;	2173	my ($map) = @_;
1663		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1664	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1665	}	2179	}
1666		2180
1667	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1669		2183
1670	sub find_async {	2184	sub find_async {
1671	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1672		2186
1673	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1674		2188
1675	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2191	}
1678		2192
1679	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1680	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1681	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2200	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2201	$map->load if $v;
		2202	}
1686		2203
1687	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1688	}	2205	}
1689	}	2206	}
1690	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1691	};	2208	};
1692	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2212	}
1696		2213
1697	sub save {	2214	sub save {
1698	my ($self) = @_;	2215	my ($self) = @_;
1699		2216
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2218
1702	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1703		2220
1704	return unless $self->dirty;	2221	return unless $self->dirty;
1705		2222
…		…
1711	return if $self->{deny_save};	2228	return if $self->{deny_save};
1712		2229
1713	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1714		2231
1715	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1717	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1718		2238
1719	if ($uniq) {	2239	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2242	} else {
…		…
1728	my ($self) = @_;	2248	my ($self) = @_;
1729		2249
1730	# save first because save cedes	2250	# save first because save cedes
1731	$self->save;	2251	$self->save;
1732		2252
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2254
1735	return if $self->players;	2255	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1737	return if $self->{deny_save};	2257	return if $self->{deny_save};
1738		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2263	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2264	}
1742		2265
1743	sub reset_at {	2266	sub reset_at {
1744	my ($self) = @_;	2267	my ($self) = @_;
1745		2268
…		…
1777	if $uniq;	2300	if $uniq;
1778	}	2301	}
1779		2302
1780	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1781		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2307	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2308
1786	$self->unlink_save;	2309	$self->unlink_save;
1787	$self->destroy;	2310	$self->destroy;
1788	}	2311	}
1789		2312
1790	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1791		2314
1792	sub nuke {	2315	sub nuke {
1793	my ($self) = @_;	2316	my ($self) = @_;
1794		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1795	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1796		2322
1797	$self->unlink_save;	2323	$self->unlink_save;
1798		2324
1799	bless $self, "cf::map";	2325	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2330
1805	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1806		2333
1807	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
1808	}	2335	}
1809		2336
1810	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
1852		2379
1853	sub unique_maps() {	2380	sub unique_maps() {
1854	[	2381	[
1855	map {	2382	map {
1856	utf8::decode $_;	2383	utf8::decode $_;
1857	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
1858	? normalise $_	2387	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2389	]
1862	}	2390	}
1863		2391
1864	package cf;
1865
1866	=back	2392	=back
1867		2393
1868	=head3 cf::object	2394	=head3 cf::object
1869		2395
1870	=cut	2396	=cut
…		…
1873		2399
1874	=over 4	2400	=over 4
1875		2401
1876	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1877		2403
1878	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1879		2406
1880	=cut	2407	=cut
1881		2408
1882	sub inv_recursive_;	2409	sub inv_recursive_;
1883	sub inv_recursive_ {	2410	sub inv_recursive_ {
1884	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1885	}	2412	}
1886		2413
1887	sub inv_recursive {	2414	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1889	}	2444	}
1890		2445
1891	package cf;	2446	package cf;
1892		2447
1893	=back	2448	=back
…		…
1912		2467
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2469
1915	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1917	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1920	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1921	}	2495	}
1922		2496
1923	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1924		2498
1925	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
2007		2581
2008	$map->load;	2582	$map->load;
2009	$map->load_diag;	2583	$map->load_neighbours;
2010		2584
2011	return unless $self->contr->active;	2585	return unless $self->contr->active;
2012	$self->activate_recursive;	2586	$self->activate_recursive;
2013		2587
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
2016	}	2590	}
2017		2591
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2593
2020	Moves the player to the given map-path and coordinates by first freezing	2594	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2595	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2596	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2597	the new (success) or old (failed) map position. In either case, $done will
		2598	be called at the end of this process.
2024		2599
2025	=cut	2600	=cut
2026		2601
2027	our $GOTOGEN;	2602	our $GOTOGEN;
2028		2603
2029	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2606
2032	# do generation counting so two concurrent goto's will be executed in-order	2607	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2609
2035	$self->enter_link;	2610	$self->enter_link;
2036		2611
2037	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
2038	my $map = eval {	2634	my $map = eval {
2039	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2040		2636
2041	if ($map) {	2637	if ($map) {
2042	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2044	} else {	2640	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2642	}
2047		2643
2048	$map	2644	$map
2049	};	2645	};
2050		2646
…		…
2055		2651
2056	if ($gen == $self->{_goto_generation}) {	2652	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2653	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
2059	}	2655	}
		2656
		2657	$done->() if $done;
2060	})->prio (1);	2658	})->prio (1);
2061	}	2659	}
2062		2660
2063	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
2064		2662
…		…
2101	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2102	}	2700	}
2103		2701
2104	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2105		2703
2106	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2109		2707
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2133	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2135		2733
2136	$self->enter_link;	2734	$self->enter_link;
2137		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2138	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2139	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2744	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2142		2746
2143	1;	2747	1;
…		…
2169		2773
2170	utf8::encode $text;	2774	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2776	}
2173		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2174	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2175		2903
2176	Sends an exti event to the client.	2904	Sends an ext event to the client.
2177		2905
2178	=cut	2906	=cut
2179		2907
2180	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2182		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2185	}	2935	}
2186		2936
2187	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2188		2938
2189	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2942
2193	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2944	become reliable at some point in the future.
2195		2945
2196	=cut	2946	=cut
2197		2947
2198	sub cf::client::query {	2948	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2957	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2959
2210	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2212	}	2964	}
2213		2965
2214	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2215	on_reply => sub {	2972	on_reply => sub {
2216	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2217		2974
2218	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2219	# get handled first	2976	# get handled first
…		…
2231	} else {	2988	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2990	}
2234	}	2991	}
2235	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2236	);	3019	);
2237		3020
2238	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2239		3022
2240	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2283		3066
2284	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2285		3068
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2287		3074
2288	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2289		3076
2290	=pod	3077	=pod
2291		3078
2292	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2293		3080
2294	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2295	cf::object::player player	3085	cf::object::player
2296	cf::player peaceful	3086	player
2297	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2298		3093
2299	=cut	3094	=cut
2300		3095
2301	for (	3096	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2303	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2306	) {	3103	) {
2307	no strict 'refs';	3104	no strict 'refs';
…		…
2378	=back	3175	=back
2379		3176
2380	=cut	3177	=cut
2381		3178
2382	#############################################################################	3179	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3180	# the server's init and main functions
2556		3181
2557	sub load_facedata($) {	3182	sub load_facedata($) {
2558	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3190
2560	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2561		3192
2562	my $facedata;	3193	my $facedata;
2563	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2567		3198
2568	$facedata->{version} == 2	3199	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2571	{	3209	{
2572	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2573		3211
2574	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3219
		3220	cf::cede_to_tick;
2580	}	3221	}
2581		3222
2582	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2584	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2585	or next;	3227	or next;
		3228
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3232	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3234	}
2591	Coro::cede;	3235
		3236	cf::cede_to_tick;
2592	}	3237	}
2593	}	3238	}
2594		3239
2595	{	3240	{
2596	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2597		3242
2598	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3245	cf::cede_to_tick;
2601	}	3246	}
2602		3247
2603	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2604	}	3249	}
2605		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2606	1	3286	1
2607	}	3287	}
2608		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2609	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2610	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
2612	}	3339	}
2613		3340
2614	sub reload_facedata {	3341	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3342	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3343	or die "unable to load facedata\n";
…		…
2627	}	3354	}
2628		3355
2629	sub reload_resources {	3356	sub reload_resources {
2630	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2631		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2632	reload_regions;	3361	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3362	reload_treasures;
2637		3363
2638	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2639	}	3365	}
2640		3366
2641	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2642	reload_resources;	3370	reload_resources;
2643	}	3371	}
2644		3372
2645	sub cfg_load {	3373	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3375	or return;
2648		3376
2649	local $/;	3377	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2651		3379
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3381
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2666	sub main {	3394	sub main {
2667	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3398	(async {
2671	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2673	};	3402	};
2674		3403
2675	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2676	db_init;	3407	db_init;
2677	load_extensions;	3408	load_extensions;
2678		3409
2679	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2680	Event::loop;	3414	EV::loop;
2681	}	3415	}
2682		3416
2683	#############################################################################	3417	#############################################################################
2684	# initialisation and cleanup	3418	# initialisation and cleanup
2685		3419
2686	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2687	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2696	},
2697	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	my $runtime = "$LOCALDIR/runtime";
		3432
		3433	# first touch the runtime file to show we are still running:
		3434	# the fsync below can take a very very long time.
		3435
		3436	IO::AIO::aio_utime $runtime, undef, undef;
		3437
		3438	my $guard = cf::lock_acquire "write_runtime";
		3439
		3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3441	or return;
		3442
		3443	my $value = $cf::RUNTIME + 90 + 10;
		3444	# 10 is the runtime save interval, for a monotonic clock
		3445	# 60 allows for the watchdog to kill the server.
		3446
		3447	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3448	and return;
		3449
		3450	# always fsync - this file is important
		3451	aio_fsync $fh
		3452	and return;
		3453
		3454	# touch it again to show we are up-to-date
		3455	aio_utime $fh, undef, undef;
		3456
		3457	close $fh
		3458	or return;
		3459
		3460	aio_rename "$runtime~", $runtime
		3461	and return;
		3462
		3463	warn "runtime file written.\n";
		3464
2698	}	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2699	}	3509	}
2700		3510
2701	sub emergency_save() {	3511	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2703		3513
…		…
2709	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3525	$pl->save;
2715	}	3526	}
2716	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2717		3528
2718	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2724	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2725		3536
2726	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2729	};	3544	};
2730		3545
2731	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2732	}	3547	}
2733		3548
…		…
2748	warn "reloading...";	3563	warn "reloading...";
2749		3564
2750	warn "entering sync_job";	3565	warn "entering sync_job";
2751		3566
2752	cf::sync_job {	3567	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3569	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
2756		3571
2757	warn "syncing database to disk";	3572	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3574
2760	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766		3576
2767	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2768	for (;;) {	3578	for (;;) {
2769	BDB::flush;	3579	BDB::flush;
2770	IO::AIO::flush;	3580	IO::AIO::flush;
2771	Coro::cede;	3581	Coro::cede_notself;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";	3583	warn "iterate...";
2774	}	3584	}
2775		3585
2776	++$RELOAD;	3586	++$RELOAD;
…		…
2780	%EXT_CORO = ();	3590	%EXT_CORO = ();
2781		3591
2782	warn "removing commands";	3592	warn "removing commands";
2783	%COMMAND = ();	3593	%COMMAND = ();
2784		3594
2785	warn "removing ext commands";	3595	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3596	%EXTCMD = ();
		3597	%EXTICMD = ();
2787		3598
2788	warn "unloading/nuking all extensions";	3599	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3600	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3601	warn "... unloading $pkg";
2791		3602
…		…
2834	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
2835	require cf;	3646	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3648
2838	warn "loading config and database again";	3649	warn "loading config and database again";
2839	cf::cfg_load;	3650	cf::reload_config;
2840		3651
2841	warn "loading extensions";	3652	warn "loading extensions";
2842	cf::load_extensions;	3653	cf::load_extensions;
2843		3654
2844	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
2851	warn "leaving sync_job";	3662	warn "leaving sync_job";
2852		3663
2853	1	3664	1
2854	} or do {	3665	} or do {
2855	warn $@;	3666	warn $@;
2856	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3668	};
2859		3669
2860	warn "reloaded";	3670	warn "reloaded";
2861	};	3671	};
2862		3672
…		…
2864		3674
2865	sub reload_perl() {	3675	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3676	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3677	# coro crashes during coro_state_free->destroy here.
2868		3678
2869	$RELOAD_WATCHER ||= Event->timer (	3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2870	reentrant => 0,
2871	after => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => sub {
2874	do_reload_perl;	3680	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3681	undef $RELOAD_WATCHER;
2876	},
2877	);	3682	};
2878	}	3683	}
2879		3684
2880	register_command "reload" => sub {	3685	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
2882		3687
2883	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
		3690	async {
		3691	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3692	reload_perl;
		3693	};
2886	}	3694	}
2887	};	3695	};
2888		3696
2889	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
2890		3698
…		…
2892		3700
2893	our @WAIT_FOR_TICK;	3701	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3702	our @WAIT_FOR_TICK_BEGIN;
2895		3703
2896	sub wait_for_tick {	3704	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3705	return if tick_inhibit || $Coro::current == $Coro::main;
2899		3706
2900	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3708	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3709	$signal->wait;
2903	}	3710	}
2904		3711
2905	sub wait_for_tick_begin {	3712	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2908		3714
2909	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3716	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3717	$signal->wait;
2912	}	3718	}
2913		3719
2914	my $min = 1e6;#d#	3720	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
2926	return;	3724	return;
2927	}	3725	}
2928		3726
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
2932		3728
2933	0 && sync_job {#d#	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3731	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3732	$Coro::current->{desc} = "runtime saver";
2937	or die;	3733	write_runtime_sync
2938		3734	or warn "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3735	};
		3736	}
2955		3737
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3739	$sig->send;
2972	}	3740	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3741	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3742	$sig->send;
2975	}	3743	}
2976		3744
2977	$NOW = Event::time;	3745	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3747
2988	_post_tick;	3748	if (0) {
2989		3749	if ($NEXT_TICK) {
2990		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
2991	},	3754	}
2992	);	3755	}
2993		3756
2994	{	3757	{
2995	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3759
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
3005		3761	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3763
3021	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3770
3024	cf::sync_job {	3771	cf::sync_job {
3025	eval {	3772	eval {
3026	BDB::db_env_open	3773	BDB::db_env_open
3027	$DB_ENV,	3774	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3778	0666;
3032		3779
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3781	};
3038		3782
3039	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3784	};
3041	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
3042	}	3796	}
3043		3797
3044	{	3798	{
		3799	# configure IO::AIO
		3800
3045	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3804	}
3058		3805
3059	my $_log_backtrace;	3806	my $_log_backtrace;
3060		3807
3061	sub _log_backtrace {	3808	sub _log_backtrace {
…		…
3065		3812
3066	# limit the # of concurrent backtraces	3813	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3814	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3815	++$_log_backtrace;
3069	async {	3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
3070	my @bt = fork_call {	3819	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3820	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3823	or die "addr2line: $!";

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