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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
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	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
71		98
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	101	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	107	our $DB_ENV;
82		108
83	our %CFG;	109	our %CFG;
84		110
85	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
87		114
88	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
91		118
92	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		121
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	125	our $TICK_START; # for load detecting purposes
98		126
99	binmode STDOUT;	127	binmode STDOUT;
100	binmode STDERR;	128	binmode STDERR;
101		129
102	# read virtual server time, if available	130	# read virtual server time, if available
…		…
155		183
156	The raw value load value from the last tick.	184	The raw value load value from the last tick.
157		185
158	=item %cf::CFG	186	=item %cf::CFG
159		187
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	189	from wherever your confdir points to.
162		190
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		192
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	193	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	194	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.	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
		202
169	=back	203	=back
170		204
171	=cut	205	=cut
172		206
173	BEGIN {	207	BEGIN {
…		…
177	$msg .= "\n"	211	$msg .= "\n"
178	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
179		213
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		215
182	utf8::encode $msg;
183	LOG llevError, $msg;	216	LOG llevError, $msg;
184	};	217	};
185	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
186		234
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		242
194	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	244	# within the Safe compartment.
196	for my $pkg (qw(	245	for my $pkg (qw(
197	cf::global cf::attachable	246	cf::global cf::attachable
198	cf::object cf::object::player	247	cf::object cf::object::player
199	cf::client cf::player	248	cf::client cf::player
200	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
201	cf::map cf::party cf::region	251	cf::party cf::region
202	)) {	252	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	254	}
206		255
207	$Event::DIED = sub {	256	$EV::DIED = sub {
208	warn "error in event callback: @_";	257	warn "error in event callback: @_";
209	};	258	};
		259
		260	#############################################################################
210		261
211	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
212		263
213	=over 4	264	=over 4
214		265
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	285	$d
235	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
236	}	287	}
237		288
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
241		290
242	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
243		292
244	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
245		294
246	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
247		303
248	=item cf::lock_wait $string	304	=item cf::lock_wait $string
249		305
250	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
251		307
…		…
254	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
257	returned.	313	returned.
258		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
259	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
261		320
262	=item $locked = cf::lock_active $string	321	=item $locked = cf::lock_active $string
263		322
264	Return true if the lock is currently active, i.e. somebody has locked it.	323	Return true if the lock is currently active, i.e. somebody has locked it.
265		324
266	=cut	325	=cut
267		326
268	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
269		329
270	sub lock_wait($) {	330	sub lock_wait($) {
271	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
272		337
273	# wait for lock, if any	338	# wait for lock, if any
274	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	341	Coro::schedule;
…		…
282		347
283	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
284	lock_wait $key;	349	lock_wait $key;
285		350
286	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
287		353
288	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
291	}	358	}
292	}	359	}
293		360
…		…
296		363
297	! ! $LOCK{$key}	364	! ! $LOCK{$key}
298	}	365	}
299		366
300	sub freeze_mainloop {	367	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
302		369
303	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
305	};	431	}
306	$TICK_WATCHER->stop;	432	};
307	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
308	}	446	}
309		447
310	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
311		449
312	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		455
318	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
319		457
320	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
321		459
322	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
325		464
326	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
329	fast or be very important.	468	fast or be very important.
…		…
332		471
333	sub sync_job(&) {	472	sub sync_job(&) {
334	my ($job) = @_;	473	my ($job) = @_;
335		474
336	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	476	my $time = EV::time;
338		477
339	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
341		480
342	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	482
344	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
345		484
346	my $busy = 1;	485	my $busy = 1;
347	my @res;	486	my @res;
348		487
349	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	490	@res = eval { $job->() };
351	warn $@ if $@;	491	warn $@ if $@;
352	undef $busy;	492	undef $busy;
353	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
354		494
355	while ($busy) {	495	while ($busy) {
356	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
357	}	500	}
		501	}
358		502
359	$time = Event::time - $time;	503	my $time = EV::time - $time;
360		504
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
365		506
366	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
367	} else {	508	} else {
368	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
369		510
…		…
389	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
390		531
391	$coro	532	$coro
392	}	533	}
393		534
394	sub write_runtime {	535	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		536
397	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
399		541
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	542	=cut
401	utime undef, undef, $fh;	543
		544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
		546
		547	# we seemingly have to make a local copy of the whole thing,
		548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
		550
		551	my @res = Coro::Util::fork_eval {
		552	reset_signals;
		553	&$cb
		554	}, @args;
		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
402	}	613	};
		614	cf::cleanup "db_open(db): $@" if $@;
403		615
404	my $guard = cf::lock_acquire "write_runtime";	616	$db
		617	}
405		618
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	our $DB;
407	or return;
408		620
409	my $value = $cf::RUNTIME + 90 + 10;	621	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	622	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	623	$DB ||= db_table "db";
		624	};
		625	}
412		626
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	sub db_get($$) {
414	and return;	628	my $key = "$_[0]/$_[1]";
415		629
416	# always fsync - this file is important	630	cf::sync_job {
417	aio_fsync $fh	631	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		632
420	# touch it again to show we are up-to-date	633	$! ? ()
421	utime undef, undef, $fh;	634	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
432	}	711	}
433		712
434	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
435		714
436	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
456		735
457	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	738	Deliantra).
460		739
461	=over 4	740	=over 4
462		741
463	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
464		743
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
628		907
629	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		912
634	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	914	my $pkg = shift @arg;
636		915
637	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
667	}	946	}
668		947
669	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
670	} else {	949	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	951	}
673		952
674	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
675	}	954	}
676		955
…		…
678	if (ref $_[0]) {	957	if (ref $_[0]) {
679	_object_attach @_;	958	_object_attach @_;
680	} else {	959	} else {
681	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
682	}	961	}
		962	_recalc_want;
683	};	963	};
684		964
685	# all those should be optimised	965	# all those should be optimised
686	sub cf::attachable::detach {	966	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
691	reattach ($obj);	971	reattach ($obj);
692	} else {	972	} else {
693	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
694	}	974	}
		975	_recalc_want;
695	};	976	};
696		977
697	sub cf::attachable::attached {	978	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
699		980
…		…
714	";	995	";
715	die if $@;	996	die if $@;
716	}	997	}
717		998
718	our $override;	999	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1001
721	sub override {	1002	sub override {
722	$override = 1;	1003	$override = 1;
723	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
724	}	1005	}
725		1006
726	sub do_invoke {	1007	sub do_invoke {
727	my $event = shift;	1008	my $event = shift;
728	my $callbacks = shift;	1009	my $callbacks = shift;
729		1010
730	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
731		1012
732	local $override;	1013	local $override;
733		1014
734	for (@$callbacks) {	1015	for (@$callbacks) {
735	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
744	}	1025	}
745		1026
746	0	1027	0
747	}	1028	}
748		1029
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1031
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1033
753	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
754		1035
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1039
759	=back	1040	=back
760		1041
761	=cut	1042	=cut
762		1043
763	#############################################################################	1044	#############################################################################
764	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
765		1088
766	sub reattach {	1089	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1091	my ($obj) = @_;
769		1092
		1093	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1095
772	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
773		1097
774	@$registry = ();	1098	@$registry = ();
775		1099
…		…
790	cf::attachable->attach (	1114	cf::attachable->attach (
791	prio => -1000000,	1115	prio => -1000000,
792	on_instantiate => sub {	1116	on_instantiate => sub {
793	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
794		1118
795	$data = from_json $data;	1119	$data = decode_json $data;
796		1120
797	for (@$data) {	1121	for (@$data) {
798	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
799		1123
800	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1140	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
818		1142
819	sync_job {	1143	sync_job {
820	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
823		1148
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1153	aio_close $fh;
829		1154
830	if (@$objs) {	1155	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1161	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
838	}	1163	}
839	} else {	1164	} else {
840	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
841	}	1166	}
…		…
846	}	1171	}
847	} else {	1172	} else {
848	aio_unlink $filename;	1173	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
850	}	1175	}
851	}	1176	};
852	}	1177	}
853		1178
854	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
856		1181
…		…
868	or return;	1193	or return;
869		1194
870	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
872	or return;	1197	or return;
		1198
873	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
874	}	1201	}
875		1202
		1203	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
878	return ($data, $av);	1207	($data, $av)
879	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
880		1215
881	#############################################################################	1216	#############################################################################
882	# command handling &c	1217	# command handling &c
883		1218
884	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1233	}
899		1234
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1236
902	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
903		1242
904	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
905	called.	1244	called.
906		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
907	=cut	1257	=cut
908		1258
909	sub register_extcmd {	1259	sub register_extcmd {
910	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
911		1261
912	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
913	}	1269	}
914		1270
915	cf::player->attach (	1271	cf::player->attach (
916	on_command => sub {	1272	on_command => sub {
917	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1282	cf::override;
927	},	1283	},
928	on_extcmd => sub {	1284	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
930		1286
931	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1288
933	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
939	} else {	1304	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1306	}
942		1307
943	cf::override;	1308	cf::override;
944	},	1309	},
945	);	1310	);
946		1311
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
982	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1317	next unless -r $path;
984	eval {	1318
985	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
986	1	1375	}
987	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
988	}	1381	};
989	}	1382	}
990		1383
991	#############################################################################	1384	#############################################################################
992		1385
		1386	=back
		1387
993	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
994		1389
995	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
996		1391
997	=cut	1392	=cut
…		…
1001	use Coro::AIO;	1396	use Coro::AIO;
1002		1397
1003	=head3 cf::player	1398	=head3 cf::player
1004		1399
1005	=over 4	1400	=over 4
		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
1006		1415
1007	=item cf::player::find $login	1416	=item cf::player::find $login
1008		1417
1009	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
1010		1419
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1458	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1459
1051	my $pl = load_pl path $login	1460	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1054	}	1469	}
1055	}	1470	}
1056	}	1471	}
1057		1472
…		…
1066	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1067		1482
1068	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1070		1485
		1486	cf::get_slot 0.01;
		1487
1071	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1072	Coro::cede;	1489	cf::cede_to_tick;
1073	}	1490	}
1074		1491
1075	sub new($) {	1492	sub new($) {
1076	my ($login) = @_;	1493	my ($login) = @_;
1077		1494
…		…
1083	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1084		1501
1085	$self	1502	$self
1086	}	1503	}
1087		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1088	=item $pl->quit_character	1515	=item $pl->quit_character
1089		1516
1090	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1092		1519
…		…
1100	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1102		1529
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1107		1536
1108	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1574	or return [];
1146		1575
1147	my @logins;	1576	my @logins;
1148		1577
1149	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1153		1588
1154	utf8::decode $login;	1589	utf8::decode $login;
1155	push @logins, $login;	1590	push @logins, $login;
1156	}	1591	}
1157		1592
…		…
1184	}	1619	}
1185		1620
1186	\@paths	1621	\@paths
1187	}	1622	}
1188		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1189	=item $player->ext_reply ($msgid, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1190		1720
1191	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1192		1722
1193	=cut	1723	=cut
1194		1724
1195	sub ext_reply($$%) {	1725	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1197		1727
1198	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1729	}
1202		1730
1203	=item $player->ext_event ($type, %msg)	1731	=item $player->ext_msg ($type, @msg)
1204		1732
1205	Sends an ext event to the client.	1733	Sends an ext event to the client.
1206		1734
1207	=cut	1735	=cut
1208		1736
1209	sub ext_event($$%) {	1737	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1738	my ($self, $type, @msg) = @_;
1211		1739
1212	$self->ns->ext_event ($type, %msg);	1740	$self->ns->ext_msg ($type, @msg);
1213	}	1741	}
1214		1742
1215	=head3 cf::region	1743	=head3 cf::region
1216		1744
1217	=over 4	1745	=over 4
…		…
1220		1748
1221	package cf::region;	1749	package cf::region;
1222		1750
1223	=item cf::region::find_by_path $path	1751	=item cf::region::find_by_path $path
1224		1752
1225	Tries to decuce the probable region for a map knowing only its path.	1753	Tries to decuce the likely region for a map knowing only its path.
1226		1754
1227	=cut	1755	=cut
1228		1756
1229	sub find_by_path($) {	1757	sub find_by_path($) {
1230	my ($path) = @_;	1758	my ($path) = @_;
1231		1759
1232	my ($match, $specificity);	1760	my ($match, $specificity);
1233		1761
1234	for my $region (list) {	1762	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1763	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1764	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1765	if $region->specificity > $specificity;
1238	}	1766	}
1239	}	1767	}
1240		1768
…		…
1261	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1263		1791
1264	sub generate_random_map {	1792	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1266	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1798	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1305		1836
1306	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1307	local $self->{path};	1838	local $self->{path};
1308	local $self->{load_path};	1839	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1840
1312	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1313	}	1842	}
1314		1843
1315	sub normalise {	1844	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1363	return $self;	1892	return $self;
1364	}	1893	}
1365	}	1894	}
1366		1895
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1897	()
1369	}	1898	}
1370		1899
1371	sub init {	1900	sub init {
1372	my ($self) = @_;	1901	my ($self) = @_;
…		…
1394		1923
1395	# the temporary/swap location	1924	# the temporary/swap location
1396	sub save_path {	1925	sub save_path {
1397	my ($self) = @_;	1926	my ($self) = @_;
1398		1927
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1929	"$TMPDIR/$path.map"
1401	}	1930	}
1402		1931
1403	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1404	sub uniq_path {	1933	sub uniq_path {
1405	my ($self) = @_;	1934	my ($self) = @_;
1406		1935
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1937	"$UNIQUEDIR/$path"
1409	}	1938	}
1410		1939
1411	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1412	# all maps in C++...	1941	# all maps in C++...
…		…
1415		1944
1416	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1418	}	1947	}
1419		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1420	sub unlink_save {	1957	sub unlink_save {
1421	my ($self) = @_;	1958	my ($self) = @_;
1422		1959
1423	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1964
1428	sub load_header_from($) {	1965	sub load_header_from($) {
1429	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1430		1967
1431	utf8::encode $path;	1968	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1437		1977
1438	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1439		1979
1440	1	1980	1
1441	}	1981	}
…		…
1480	$self->load_header_orig	2020	$self->load_header_orig
1481	or return;	2021	or return;
1482	$self->prepare_orig;	2022	$self->prepare_orig;
1483	}	2023	}
1484		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
1485	$self->default_region (cf::region::find_by_path $self->{path})	2028	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2029	unless $self->default_region;
1487		2030
1488	1	2031	1
1489	}	2032	}
…		…
1492	sub find {	2035	sub find {
1493	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1494		2037
1495	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1496		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1498		2042
1499	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1501	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1502	or return;	2048	or return;
1503		2049
1504	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1505		2051
1506	$map->load_header	2052	$map->load_header
1507	or return;	2053	or return;
1508		2054
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1512	$map->reset;	2060	$map->reset;
1513	undef $guard;
1514	return find $path;	2061	return find $path;
1515	}	2062	}
1516		2063
1517	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1518	}	2065	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1528		2075
1529	my $path = $self->{path};	2076	my $path = $self->{path};
1530		2077
1531	{	2078	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1533		2080
		2081	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2083
1536	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1537		2085
1538	$self->alloc;	2086	$self->alloc;
1539		2087
1540	$self->pre_load;	2088	$self->pre_load;
1541	Coro::cede;	2089	cf::cede_to_tick;
1542		2090
		2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2093	$self->_load_objects ($f)
1544	or return;	2094	or return;
1545		2095
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1547	if delete $self->{load_original};	2097	if delete $self->{load_original};
1548		2098
1549	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2100	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2103	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1554	}	2107	}
1555	}	2108	}
1556		2109
1557	Coro::cede;	2110	$f->resolve_delayed_derefs;
		2111
		2112	cf::cede_to_tick;
1558	# now do the right thing for maps	2113	# now do the right thing for maps
1559	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2116	unless $self->difficulty;
1562	Coro::cede;	2117	cf::cede_to_tick;
1563		2118
1564	unless ($self->{deny_activate}) {	2119	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2120	$self->decay_objects;
1566	$self->fix_auto_apply;	2121	$self->fix_auto_apply;
1567	$self->update_buttons;	2122	$self->update_buttons;
1568	Coro::cede;	2123	cf::cede_to_tick;
1569	$self->set_darkness_map;	2124	$self->set_darkness_map;
1570	Coro::cede;	2125	cf::cede_to_tick;
1571	$self->activate;	2126	$self->activate;
1572	}	2127	}
1573		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2132	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2133	}
1576		2134
1577	$self->post_load;	2135	$self->post_load;
1578	}	2136	}
1579		2137
…		…
1581	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1582		2140
1583	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2142	if $self->per_player;
1585		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1586	$self	2147	$self
1587	}	2148	}
1588		2149
1589	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2151	sub load_neighbours {
1591	my ($map) = @_;	2152	my ($map) = @_;
1592		2153
1593	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1594		2155
1595	for (0 .. 3) {	2156	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1597	or next;	2158	or next;
1598	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1599	or next;	2160	or next;
1600	$neigh->load;	2161	$neigh->load;
1601		2162
		2163	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2166	}
1605		2167
1606	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1608	or next;	2171	or next;
1609	$neigh->load;	2172	$neigh->load;
1610	}	2173	}
1611	}	2174	}
1612		2175
…		…
1617	}	2180	}
1618		2181
1619	sub do_load_sync {	2182	sub do_load_sync {
1620	my ($map) = @_;	2183	my ($map) = @_;
1621		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1622	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1623	}	2189	}
1624		2190
1625	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1627		2193
1628	sub find_async {	2194	sub find_async {
1629	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1630		2196
1631	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1632		2198
1633	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2201	}
1636		2202
1637	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1638	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1639	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2210	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2211	$map->load if $v;
		2212	}
1644		2213
1645	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1646	}	2215	}
1647	}	2216	}
1648	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1649	};	2218	};
1650	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2222	}
1654		2223
1655	sub save {	2224	sub save {
1656	my ($self) = @_;	2225	my ($self) = @_;
1657		2226
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2228
1660	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1661		2230
1662	return unless $self->dirty;	2231	return unless $self->dirty;
1663		2232
…		…
1669	return if $self->{deny_save};	2238	return if $self->{deny_save};
1670		2239
1671	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1672		2241
1673	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1675	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1676		2248
1677	if ($uniq) {	2249	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2252	} else {
…		…
1686	my ($self) = @_;	2258	my ($self) = @_;
1687		2259
1688	# save first because save cedes	2260	# save first because save cedes
1689	$self->save;	2261	$self->save;
1690		2262
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2264
1693	return if $self->players;	2265	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2267	return if $self->{deny_save};
1696		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2273	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2274	}
1700		2275
1701	sub reset_at {	2276	sub reset_at {
1702	my ($self) = @_;	2277	my ($self) = @_;
1703		2278
1704	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1707		2281
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2284
…		…
1721	my ($self) = @_;	2295	my ($self) = @_;
1722		2296
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2298
1725	return if $self->players;	2299	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2300
1728	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1729		2302
1730	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1731		2304
1732	# need to save uniques path	2305	# need to save uniques path
1733	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2310	if $uniq;
1738	}	2311	}
1739		2312
1740	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1741		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2317	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2318
1746	$self->unlink_save;	2319	$self->unlink_save;
1747	$self->destroy;	2320	$self->destroy;
1748	}	2321	}
1749		2322
1750	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1751		2324
1752	sub nuke {	2325	sub nuke {
1753	my ($self) = @_;	2326	my ($self) = @_;
1754		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1755	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1756		2332
1757	$self->unlink_save;	2333	$self->unlink_save;
1758		2334
1759	bless $self, "cf::map";	2335	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2340
1765	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1766		2343
1767	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1768	}	2381	}
1769		2382
1770	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1771		2384
1772	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2386	instantiated unique items. May block.
1774		2387
1775	=cut	2388	=cut
1776		2389
1777	sub unique_maps() {	2390	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2391	[
1779	or return;	2392	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2393	utf8::decode $_;
1785	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2396	? ()
1788	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2399	]
1790
1791	\@paths
1792	}	2400	}
1793
1794	package cf;
1795		2401
1796	=back	2402	=back
1797		2403
1798	=head3 cf::object	2404	=head3 cf::object
1799		2405
…		…
1803		2409
1804	=over 4	2410	=over 4
1805		2411
1806	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1807		2413
1808	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1809		2416
1810	=cut	2417	=cut
1811		2418
1812	sub inv_recursive_;	2419	sub inv_recursive_;
1813	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1816		2423
1817	sub inv_recursive {	2424	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1819	}	2426	}
1820		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1821	package cf;	2456	package cf;
1822		2457
1823	=back	2458	=back
1824		2459
1825	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1834		2469
1835	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1836		2485
1837	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2487	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1842		2491
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2493
1845	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1847	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1850	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1851	}	2519	}
1852		2520
1853	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1854		2522
1855	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1903		2571
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2573
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1908		2576
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2578	}
1911		2579
1912	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1914		2584
1915	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1916		2586
1917	unless ($map) {	2587	unless ($map) {
1918	# restore original map position	2588	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1935		2605
1936	$map->load;	2606	$map->load;
1937	$map->load_diag;	2607	$map->load_neighbours;
1938		2608
1939	return unless $self->contr->active;	2609	return unless $self->contr->active;
1940	$self->activate_recursive;	2610	$self->activate_recursive;
1941		2611
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1944	}	2614	}
1945		2615
1946	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2617
1950	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1954	};	2622	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2623
1960	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2626
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1981		2630
1982	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2636
1985	$self->enter_link;	2637	$self->enter_link;
1986		2638
1987	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1988	my $map = eval {	2661	my $map = eval {
1989	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1991	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2677	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1996	})->prio (1);	2685	})->prio (1);
1997	}	2686	}
1998		2687
1999	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
2000		2689
…		…
2020	}	2709	}
2021		2710
2022	sub prepare_random_map {	2711	sub prepare_random_map {
2023	my ($exit) = @_;	2712	my ($exit) = @_;
2024		2713
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2716	# that depends on the exit object
2030		2717
2031	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2720	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
2038	}	2727	}
2039		2728
2040	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
2041		2730
2042	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
2045		2734
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2737	undef $fh;
2049	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
2050		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
2053	}	2746	}
2054	}	2747	}
2055		2748
2056	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
2058		2751
2059	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
2060		2753
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2754	$self->enter_link;
2073		2755
2074	(async {	2756	(async {
2075	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
2076	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
2077	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
2078		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
2079	1;	2780	1
2080	}) {	2781	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
2082	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2105		2806
2106	utf8::encode $text;	2807	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2809	}
2109		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
2110	=item $client->ext_event ($type, %msg)	2941	=item $client->ext_msg ($type, @msg)
2111		2942
2112	Sends an exti event to the client.	2943	Sends an ext event to the client.
2113		2944
2114	=cut	2945	=cut
2115		2946
2116	sub cf::client::ext_event($$%) {	2947	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2948	my ($self, $type, @msg) = @_;
2118		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2953	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
2121	}	2974	}
2122		2975
2123	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
2124		2977
2125	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2981
2129	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2983	become reliable at some point in the future.
2131		2984
2132	=cut	2985	=cut
2133		2986
2134	sub cf::client::query {	2987	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2996	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2998
2146	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
2148	}	3003	}
2149		3004
2150	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
2151	on_reply => sub {	3011	on_reply => sub {
2152	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
2153		3013
2154	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
2155	# get handled first	3015	# get handled first
…		…
2167	} else {	3027	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3029	}
2170	}	3030	}
2171	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
2172	);	3058	);
2173		3059
2174	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2175		3061
2176	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2219		3105
2220	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2221		3107
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
2223		3113
2224	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2225		3115
2226	=pod	3116	=pod
2227		3117
2228	The following functions and methods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2229		3119
2230	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
2231	cf::object::player player	3124	cf::object::player
2232	cf::player peaceful	3125	player
2233	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2234		3132
2235	=cut	3133	=cut
2236		3134
2237	for (	3135	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2239	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2242	) {	3142	) {
2243	no strict 'refs';	3143	no strict 'refs';
…		…
2314	=back	3214	=back
2315		3215
2316	=cut	3216	=cut
2317		3217
2318	#############################################################################	3218	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3219	# the server's init and main functions
2494		3220
2495	sub load_facedata($) {	3221	sub load_facedata($) {
2496	my ($path) = @_;	3222	my ($path) = @_;
		3223
		3224	# HACK to clear player env face cache, we need some signal framework
		3225	# for this (global event?)
		3226	%ext::player_env::MUSIC_FACE_CACHE = ();
		3227
		3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3229
2498	warn "loading facedata from $path\n";	3230	warn "loading facedata from $path\n";
2499		3231
2500	my $facedata;	3232	my $facedata;
2501	0 < aio_load $path, $facedata	3233	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3236	$facedata = Coro::Storable::thaw $facedata;
2505		3237
2506	$facedata->{version} == 2	3238	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3240
		3241	# patch in the exptable
		3242	$facedata->{resource}{"res/exp_table"} = {
		3243	type => FT_RSRC,
		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3245	};
		3246	cf::cede_to_tick;
		3247
2509	{	3248	{
2510	my $faces = $facedata->{faceinfo};	3249	my $faces = $facedata->{faceinfo};
2511		3250
2512	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3253
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3254	cf::face::set_visibility $idx, $info->{visibility};
		3255	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3258
		3259	cf::cede_to_tick;
2518	}	3260	}
2519		3261
2520	while (my ($face, $info) = each %$faces) {	3262	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3263	next unless $info->{smooth};
		3264
2522	my $idx = cf::face::find $face	3265	my $idx = cf::face::find $face
2523	or next;	3266	or next;
		3267
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3271	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3273	}
2529	Coro::cede;	3274
		3275	cf::cede_to_tick;
2530	}	3276	}
2531	}	3277	}
2532		3278
2533	{	3279	{
2534	my $anims = $facedata->{animinfo};	3280	my $anims = $facedata->{animinfo};
2535		3281
2536	while (my ($anim, $info) = each %$anims) {	3282	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3284	cf::cede_to_tick;
2539	}	3285	}
2540		3286
2541	cf::anim::invalidate_all; # d'oh	3287	cf::anim::invalidate_all; # d'oh
2542	}	3288	}
2543		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
2544	1	3325	1
2545	}	3326	}
2546		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
		3356	sub load_resource_file($) {
		3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
2547	sub reload_regions {	3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
2548	load_resource_file "$MAPDIR/regions"	3371	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3372	or die "unable to load regions file\n";
		3373
		3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
2550	}	3378	}
2551		3379
2552	sub reload_facedata {	3380	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3381	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3382	or die "unable to load facedata\n";
…		…
2565	}	3393	}
2566		3394
2567	sub reload_resources {	3395	sub reload_resources {
2568	warn "reloading resource files...\n";	3396	warn "reloading resource files...\n";
2569		3397
2570	reload_regions;
2571	reload_facedata;	3398	reload_facedata;
2572	reload_archetypes;	3399	reload_archetypes;
		3400	reload_regions;
2573	reload_treasures;	3401	reload_treasures;
2574		3402
2575	warn "finished reloading resource files\n";	3403	warn "finished reloading resource files\n";
2576	}	3404	}
2577		3405
2578	sub init {	3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
2579	reload_resources;	3411	reload_resources;
2580	}	3412	}
2581		3413
2582	sub cfg_load {	3414	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3416	or return;
2585		3417
2586	local $/;	3418	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2588		3420
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3422
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2603	sub main {	3435	sub main {
2604	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3439	(async {
2608	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2610	};	3443	};
2611		3444
2612	cfg_load;	3445	{
		3446	my $guard = freeze_mainloop;
		3447	reload_config;
2613	db_init;	3448	db_init;
2614	load_extensions;	3449	load_extensions;
2615		3450
2616	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2617	Event::loop;	3454	EV::loop;
2618	}	3455	}
2619		3456
2620	#############################################################################	3457	#############################################################################
2621	# initialisation and cleanup	3458	# initialisation and cleanup
2622		3459
2623	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2624	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2633	},
2634	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2635	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2636	}	3549	}
2637		3550
2638	sub emergency_save() {	3551	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2640		3553
…		…
2646	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3565	$pl->save;
2652	}	3566	}
2653	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2654		3568
2655	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2661	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
2662		3576
2663	warn "begin emergency database checkpoint\n";	3577	warn "begin emergency database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3578	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2666	};	3584	};
2667		3585
2668	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2669	}	3587	}
2670		3588
…		…
2672	my ($make_core) = @_;	3590	my ($make_core) = @_;
2673		3591
2674	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3593	if $make_core;
2676	}	3594	}
		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
2677		3623
2678	sub do_reload_perl() {	3624	sub do_reload_perl() {
2679	# can/must only be called in main	3625	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2682	return;	3628	return;
2683	}	3629	}
2684		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2685	warn "reloading...";	3634	warn "reloading...";
2686		3635
2687	warn "entering sync_job";	3636	warn "entering sync_job";
2688		3637
2689	cf::sync_job {	3638	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3639	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3640	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3641	cf::write_runtime_sync; # external watchdog should not bark
2693		3642
2694	warn "syncing database to disk";	3643	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3644	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3645
2697	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2698		3647
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3651	}
2735		3652
2736	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2738	}	3655	%EXT_CORO = ();
2739		3656
2740	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3666	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3667
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2751	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2752	}	3677	}
2753		3678
2754	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2755	}	3694	}
2756		3695
2757	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3699
2761	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3702	delete $INC{"cf/pod.pm"};
2764		3703
2765	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3705	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2768		3707
2769	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2770		3709
2771	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2772	require cf;	3711	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3713
2775	warn "loading config and database again";	3714	warn "loading config and database again";
2776	cf::cfg_load;	3715	cf::reload_config;
2777		3716
2778	warn "loading extensions";	3717	warn "loading extensions";
2779	cf::load_extensions;	3718	cf::load_extensions;
2780		3719
2781	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3721	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3724	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3725	reattach $_ for values %PLAYER;
2787		3726
2788	warn "leaving sync_job";	3727	warn "leaving sync_job";
2789		3728
2790	1	3729	1
2791	} or do {	3730	} or do {
2792	warn $@;	3731	warn $@;
2793	warn "error while reloading, exiting.";	3732	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3733	};
2796		3734
2797	warn "reloaded";	3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
2798	};	3738	};
2799		3739
2800	our $RELOAD_WATCHER; # used only during reload	3740	our $RELOAD_WATCHER; # used only during reload
2801		3741
2802	sub reload_perl() {	3742	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3743	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3744	# coro crashes during coro_state_free->destroy here.
2805		3745
2806	$RELOAD_WATCHER ||= Event->timer (	3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3747	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3748	undef $RELOAD_WATCHER;
2813	},
2814	);	3749	};
2815	}	3750	}
2816		3751
2817	register_command "reload" => sub {	3752	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2819		3754
2820	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
		3757	async {
		3758	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3759	reload_perl;
		3760	};
2823	}	3761	}
2824	};	3762	};
2825		3763
2826	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2827		3765
…		…
2829		3767
2830	our @WAIT_FOR_TICK;	3768	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3769	our @WAIT_FOR_TICK_BEGIN;
2832		3770
2833	sub wait_for_tick {	3771	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3773
2837	my $signal = new Coro::Signal;	3774	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3775	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3776	$signal->wait;
2840	}	3777	}
2841		3778
2842	sub wait_for_tick_begin {	3779	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3781
2846	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3783	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3784	$signal->wait;
2849	}	3785	}
2850		3786
2851	$TICK_WATCHER = Event->timer (	3787	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2861	return;	3791	return;
2862	}	3792	}
2863		3793
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2867		3795
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3798	Coro::async_pool {
		3799	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3800	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3801	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3802	};
		3803	}
2878		3804
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3806	$sig->send;
2884	}	3807	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3808	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3809	$sig->send;
2887	}	3810	}
2888		3811
2889	$NOW = Event::time;	3812	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3814
2900	_post_tick;	3815	if (0) {
2901		3816	if ($NEXT_TICK) {
2902		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
		3820	}
2903	},	3821	}
2904	);	3822	}
2905		3823
2906	{	3824	{
2907	BDB::max_poll_time $TICK * 0.1;	3825	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3826
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3827	BDB::min_parallel 8;
2917		3828	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3829	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3830
2933	unless ($DB_ENV) {	3831	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3838
2936	cf::sync_job {	3839	cf::sync_job {
2937	eval {	3840	eval {
2938	BDB::db_env_open	3841	BDB::db_env_open
2939	$DB_ENV,	3842	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3846	0666;
2944		3847
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3849	};
2950		3850
2951	cf::cleanup "db_env_open(db): $@" if $@;	3851	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3852	};
2953	}	3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
2954	}	3864	}
2955		3865
2956	{	3866	{
		3867	# configure IO::AIO
		3868
2957	IO::AIO::min_parallel 8;	3869	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3870	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3871	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3872	}
2970		3873
2971	my $_log_backtrace;	3874	my $_log_backtrace;
2972		3875
2973	sub _log_backtrace {	3876	sub _log_backtrace {
…		…
2977		3880
2978	# limit the # of concurrent backtraces	3881	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3882	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3883	++$_log_backtrace;
2981	async {	3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
2982	my @bt = fork_call {	3887	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3888	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3891	or die "addr2line: $!";

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