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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		239
194	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
308	}	443	}
309		444
310	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
311		446
312	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		452
318	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
319		454
320	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
321		456
322	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
325		461
326	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
329	fast or be very important.	465	fast or be very important.
…		…
332		468
333	sub sync_job(&) {	469	sub sync_job(&) {
334	my ($job) = @_;	470	my ($job) = @_;
335		471
336	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	473	my $time = EV::time;
338		474
339	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
341		477
342	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	479
344	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
345		481
346	my $busy = 1;	482	my $busy = 1;
347	my @res;	483	my @res;
348		484
349	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	487	@res = eval { $job->() };
351	warn $@ if $@;	488	warn $@ if $@;
352	undef $busy;	489	undef $busy;
353	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
354		491
355	while ($busy) {	492	while ($busy) {
356	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
357	}	497	}
		498	}
358		499
359	$time = Event::time - $time;	500	my $time = EV::time - $time;
360		501
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
365		503
366	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
367	} else {	505	} else {
368	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
369		507
…		…
389	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
390		528
391	$coro	529	$coro
392	}	530	}
393		531
394	sub write_runtime {	532	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		533
397	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
399		538
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	539	=cut
401	utime undef, undef, $fh;	540
		541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
		543
		544	# we seemingly have to make a local copy of the whole thing,
		545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
		547
		548	my @res = Coro::Util::fork_eval {
		549	reset_signals;
		550	&$cb
		551	}, @args;
		552
		553	wantarray ? @res : $res[-1]
		554	}
		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
402	}	610	};
		611	cf::cleanup "db_open(db): $@" if $@;
403		612
404	my $guard = cf::lock_acquire "write_runtime";	613	$db
		614	}
405		615
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	616	our $DB;
407	or return;
408		617
409	my $value = $cf::RUNTIME + 90 + 10;	618	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	619	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	620	$DB ||= db_table "db";
		621	};
		622	}
412		623
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	624	sub db_get($$) {
414	and return;	625	my $key = "$_[0]/$_[1]";
415		626
416	# always fsync - this file is important	627	cf::sync_job {
417	aio_fsync $fh	628	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		629
420	# touch it again to show we are up-to-date	630	$! ? ()
421	utime undef, undef, $fh;	631	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
432	}	708	}
433		709
434	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
435		711
436	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
456		732
457	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	735	Deliantra).
460		736
461	=over 4	737	=over 4
462		738
463	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
464		740
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
628		904
629	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		909
634	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	911	my $pkg = shift @arg;
636		912
637	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
667	}	943	}
668		944
669	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
670	} else {	946	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	948	}
673		949
674	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
675	}	951	}
676		952
…		…
678	if (ref $_[0]) {	954	if (ref $_[0]) {
679	_object_attach @_;	955	_object_attach @_;
680	} else {	956	} else {
681	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
682	}	958	}
		959	_recalc_want;
683	};	960	};
684		961
685	# all those should be optimised	962	# all those should be optimised
686	sub cf::attachable::detach {	963	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
691	reattach ($obj);	968	reattach ($obj);
692	} else {	969	} else {
693	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
694	}	971	}
		972	_recalc_want;
695	};	973	};
696		974
697	sub cf::attachable::attached {	975	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
699		977
…		…
714	";	992	";
715	die if $@;	993	die if $@;
716	}	994	}
717		995
718	our $override;	996	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		998
721	sub override {	999	sub override {
722	$override = 1;	1000	$override = 1;
723	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
724	}	1002	}
725		1003
726	sub do_invoke {	1004	sub do_invoke {
727	my $event = shift;	1005	my $event = shift;
728	my $callbacks = shift;	1006	my $callbacks = shift;
729		1007
730	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
731		1009
732	local $override;	1010	local $override;
733		1011
734	for (@$callbacks) {	1012	for (@$callbacks) {
735	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
744	}	1022	}
745		1023
746	0	1024	0
747	}	1025	}
748		1026
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1028
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1030
753	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
754		1032
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1036
759	=back	1037	=back
760		1038
761	=cut	1039	=cut
762		1040
763	#############################################################################	1041	#############################################################################
764	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
765		1085
766	sub reattach {	1086	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1088	my ($obj) = @_;
769		1089
…		…
790	cf::attachable->attach (	1110	cf::attachable->attach (
791	prio => -1000000,	1111	prio => -1000000,
792	on_instantiate => sub {	1112	on_instantiate => sub {
793	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
794		1114
795	$data = from_json $data;	1115	$data = decode_json $data;
796		1116
797	for (@$data) {	1117	for (@$data) {
798	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
799		1119
800	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1136	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
818		1138
819	sync_job {	1139	sync_job {
820	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
823		1144
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1149	aio_close $fh;
829		1150
830	if (@$objs) {	1151	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1157	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
838	}	1159	}
839	} else {	1160	} else {
840	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
841	}	1162	}
…		…
846	}	1167	}
847	} else {	1168	} else {
848	aio_unlink $filename;	1169	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
850	}	1171	}
851	}	1172	};
852	}	1173	}
853		1174
854	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
856		1177
…		…
868	or return;	1189	or return;
869		1190
870	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
872	or return;	1193	or return;
		1194
873	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
874	}	1197	}
875		1198
		1199	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
878	return ($data, $av);	1203	($data, $av)
879	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
880		1211
881	#############################################################################	1212	#############################################################################
882	# command handling &c	1213	# command handling &c
883		1214
884	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1229	}
899		1230
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1232
902	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
903		1238
904	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
905	called.	1240	called.
906		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
907	=cut	1253	=cut
908		1254
909	sub register_extcmd {	1255	sub register_extcmd {
910	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
911		1257
912	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
913	}	1265	}
914		1266
915	cf::player->attach (	1267	cf::player->attach (
916	on_command => sub {	1268	on_command => sub {
917	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1278	cf::override;
927	},	1279	},
928	on_extcmd => sub {	1280	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
930		1282
931	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1284
933	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
939	} else {	1300	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1302	}
942		1303
943	cf::override;	1304	cf::override;
944	},	1305	},
945	);	1306	);
946		1307
947	sub load_extension {
948	my ($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 {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
982	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1313	next unless -r $path;
984	eval {	1314
985	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
986	1	1371	}
987	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
988	}	1377	};
989	}	1378	}
990		1379
991	#############################################################################	1380	#############################################################################
992		1381
		1382	=back
		1383
993	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
994		1385
995	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
996		1387
997	=cut	1388	=cut
…		…
1001	use Coro::AIO;	1392	use Coro::AIO;
1002		1393
1003	=head3 cf::player	1394	=head3 cf::player
1004		1395
1005	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1006		1411
1007	=item cf::player::find $login	1412	=item cf::player::find $login
1008		1413
1009	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1010		1415
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1455
1051	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1054	}	1465	}
1055	}	1466	}
1056	}	1467	}
1057		1468
…		…
1066	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1067		1478
1068	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1070		1481
		1482	cf::get_slot 0.01;
		1483
1071	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1072	Coro::cede;	1485	cf::cede_to_tick;
1073	}	1486	}
1074		1487
1075	sub new($) {	1488	sub new($) {
1076	my ($login) = @_;	1489	my ($login) = @_;
1077		1490
…		…
1081	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1082		1495
1083	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1084		1497
1085	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1086	}	1509	}
1087		1510
1088	=item $pl->quit_character	1511	=item $pl->quit_character
1089		1512
1090	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1568	or return [];
1146		1569
1147	my @logins;	1570	my @logins;
1148		1571
1149	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1153		1582
1154	utf8::decode $login;	1583	utf8::decode $login;
1155	push @logins, $login;	1584	push @logins, $login;
1156	}	1585	}
1157		1586
…		…
1184	}	1613	}
1185		1614
1186	\@paths	1615	\@paths
1187	}	1616	}
1188		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1189	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1190		1712
1191	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1192		1714
1193	=cut	1715	=cut
1194		1716
1195	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1197		1719
1198	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1721	}
1202		1722
1203	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1204		1724
1205	Sends an ext event to the client.	1725	Sends an ext event to the client.
1206		1726
1207	=cut	1727	=cut
1208		1728
1209	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1211		1731
1212	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1213	}	1733	}
1214		1734
1215	=head3 cf::region	1735	=head3 cf::region
1216		1736
1217	=over 4	1737	=over 4
…		…
1220		1740
1221	package cf::region;	1741	package cf::region;
1222		1742
1223	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1224		1744
1225	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1226		1746
1227	=cut	1747	=cut
1228		1748
1229	sub find_by_path($) {	1749	sub find_by_path($) {
1230	my ($path) = @_;	1750	my ($path) = @_;
1231		1751
1232	my ($match, $specificity);	1752	my ($match, $specificity);
1233		1753
1234	for my $region (list) {	1754	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1238	}	1758	}
1239	}	1759	}
1240		1760
…		…
1261	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1263		1783
1264	sub generate_random_map {	1784	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1266	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1790	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1305		1828
1306	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1307	local $self->{path};	1830	local $self->{path};
1308	local $self->{load_path};	1831	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1832
1312	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1313	}	1834	}
1314		1835
1315	sub normalise {	1836	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1363	return $self;	1884	return $self;
1364	}	1885	}
1365	}	1886	}
1366		1887
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1889	()
1369	}	1890	}
1370		1891
1371	sub init {	1892	sub init {
1372	my ($self) = @_;	1893	my ($self) = @_;
…		…
1394		1915
1395	# the temporary/swap location	1916	# the temporary/swap location
1396	sub save_path {	1917	sub save_path {
1397	my ($self) = @_;	1918	my ($self) = @_;
1398		1919
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1401	}	1922	}
1402		1923
1403	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1404	sub uniq_path {	1925	sub uniq_path {
1405	my ($self) = @_;	1926	my ($self) = @_;
1406		1927
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1409	}	1930	}
1410		1931
1411	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1412	# all maps in C++...	1933	# all maps in C++...
…		…
1415		1936
1416	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1418	}	1939	}
1419		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1420	sub unlink_save {	1949	sub unlink_save {
1421	my ($self) = @_;	1950	my ($self) = @_;
1422		1951
1423	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1956
1428	sub load_header_from($) {	1957	sub load_header_from($) {
1429	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1430		1959
1431	utf8::encode $path;	1960	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1437		1969
1438	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1439		1971
1440	1	1972	1
1441	}	1973	}
…		…
1480	$self->load_header_orig	2012	$self->load_header_orig
1481	or return;	2013	or return;
1482	$self->prepare_orig;	2014	$self->prepare_orig;
1483	}	2015	}
1484		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1485	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2021	unless $self->default_region;
1487		2022
1488	1	2023	1
1489	}	2024	}
…		…
1492	sub find {	2027	sub find {
1493	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1494		2029
1495	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1496		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1498		2034
1499	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1501	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1502	or return;	2040	or return;
1503		2041
1504	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1505		2043
1506	$map->load_header	2044	$map->load_header
1507	or return;	2045	or return;
1508		2046
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1512	$map->reset;	2052	$map->reset;
1513	undef $guard;
1514	return find $path;	2053	return find $path;
1515	}	2054	}
1516		2055
1517	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1518	}	2057	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1528		2067
1529	my $path = $self->{path};	2068	my $path = $self->{path};
1530		2069
1531	{	2070	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1533		2072
		2073	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2075
1536	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1537		2077
1538	$self->alloc;	2078	$self->alloc;
1539		2079
1540	$self->pre_load;	2080	$self->pre_load;
1541	Coro::cede;	2081	cf::cede_to_tick;
1542		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1544	or return;	2086	or return;
1545		2087
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2089	if delete $self->{load_original};
1548		2090
1549	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2092	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2095	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1554	}	2099	}
1555	}	2100	}
1556		2101
1557	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1558	# now do the right thing for maps	2105	# now do the right thing for maps
1559	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2108	unless $self->difficulty;
1562	Coro::cede;	2109	cf::cede_to_tick;
1563		2110
1564	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2112	$self->decay_objects;
1566	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1567	$self->update_buttons;	2114	$self->update_buttons;
1568	Coro::cede;	2115	cf::cede_to_tick;
1569	$self->set_darkness_map;	2116	$self->set_darkness_map;
1570	Coro::cede;	2117	cf::cede_to_tick;
1571	$self->activate;	2118	$self->activate;
1572	}	2119	}
1573		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2125	}
1576		2126
1577	$self->post_load;	2127	$self->post_load;
1578	}	2128	}
1579		2129
…		…
1581	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1582		2132
1583	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2134	if $self->per_player;
1585		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1586	$self	2139	$self
1587	}	2140	}
1588		2141
1589	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2143	sub load_neighbours {
1591	my ($map) = @_;	2144	my ($map) = @_;
1592		2145
1593	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1594		2147
1595	for (0 .. 3) {	2148	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1597	or next;	2150	or next;
1598	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1599	or next;	2152	or next;
1600	$neigh->load;	2153	$neigh->load;
1601		2154
		2155	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2158	}
1605		2159
1606	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1608	or next;	2163	or next;
1609	$neigh->load;	2164	$neigh->load;
1610	}	2165	}
1611	}	2166	}
1612		2167
…		…
1617	}	2172	}
1618		2173
1619	sub do_load_sync {	2174	sub do_load_sync {
1620	my ($map) = @_;	2175	my ($map) = @_;
1621		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1622	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1623	}	2181	}
1624		2182
1625	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1627		2185
1628	sub find_async {	2186	sub find_async {
1629	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1630		2188
1631	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1632		2190
1633	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2193	}
1636		2194
1637	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1638	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1639	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2202	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2203	$map->load if $v;
		2204	}
1644		2205
1645	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1646	}	2207	}
1647	}	2208	}
1648	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1649	};	2210	};
1650	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2214	}
1654		2215
1655	sub save {	2216	sub save {
1656	my ($self) = @_;	2217	my ($self) = @_;
1657		2218
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2220
1660	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1661		2222
1662	return unless $self->dirty;	2223	return unless $self->dirty;
1663		2224
…		…
1669	return if $self->{deny_save};	2230	return if $self->{deny_save};
1670		2231
1671	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1672		2233
1673	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1675	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1676		2240
1677	if ($uniq) {	2241	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2244	} else {
…		…
1686	my ($self) = @_;	2250	my ($self) = @_;
1687		2251
1688	# save first because save cedes	2252	# save first because save cedes
1689	$self->save;	2253	$self->save;
1690		2254
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2256
1693	return if $self->players;	2257	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2259	return if $self->{deny_save};
1696		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2265	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2266	}
1700		2267
1701	sub reset_at {	2268	sub reset_at {
1702	my ($self) = @_;	2269	my ($self) = @_;
1703		2270
1704	# TODO: safety, remove and allow resettable per-player maps	2271	# 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};	2272	return 1e99 if $self->{deny_reset};
1707		2273
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2276
…		…
1721	my ($self) = @_;	2287	my ($self) = @_;
1722		2288
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2290
1725	return if $self->players;	2291	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2292
1728	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1729		2294
1730	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1731		2296
1732	# need to save uniques path	2297	# need to save uniques path
1733	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2302	if $uniq;
1738	}	2303	}
1739		2304
1740	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1741		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2309	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2310
1746	$self->unlink_save;	2311	$self->unlink_save;
1747	$self->destroy;	2312	$self->destroy;
1748	}	2313	}
1749		2314
1750	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1751		2316
1752	sub nuke {	2317	sub nuke {
1753	my ($self) = @_;	2318	my ($self) = @_;
1754		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1755	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1756		2324
1757	$self->unlink_save;	2325	$self->unlink_save;
1758		2326
1759	bless $self, "cf::map";	2327	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2332
1765	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1766		2335
1767	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1768	}	2373	}
1769		2374
1770	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1771		2376
1772	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2378	instantiated unique items. May block.
1774		2379
1775	=cut	2380	=cut
1776		2381
1777	sub unique_maps() {	2382	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2383	[
1779	or return;	2384	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2385	utf8::decode $_;
1785	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2388	? ()
1788	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2391	]
1790
1791	\@paths
1792	}	2392	}
1793
1794	package cf;
1795		2393
1796	=back	2394	=back
1797		2395
1798	=head3 cf::object	2396	=head3 cf::object
1799		2397
…		…
1803		2401
1804	=over 4	2402	=over 4
1805		2403
1806	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1807		2405
1808	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1809		2408
1810	=cut	2409	=cut
1811		2410
1812	sub inv_recursive_;	2411	sub inv_recursive_;
1813	sub inv_recursive_ {	2412	sub inv_recursive_ {
1814	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1815	}	2414	}
1816		2415
1817	sub inv_recursive {	2416	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1819	}	2446	}
1820		2447
1821	package cf;	2448	package cf;
1822		2449
1823	=back	2450	=back
…		…
1842		2469
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2471
1845	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1847	} else {	2475	} else {
		2476	my $pl = $self->contr;
		2477
		2478	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2479	my $dialog = $pl->{npc_dialog};
		2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2481
		2482	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1850	}	2486	}
		2487	}
		2488
		2489	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	=cut
		2492
		2493	sub cf::object::send_msg {
		2494	my $pl = shift->contr
		2495	or return;
		2496	$pl->send_msg (@_);
1851	}	2497	}
1852		2498
1853	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1854		2500
1855	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1903		2549
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2551
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1908		2554
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2556	}
1911		2557
1912	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1914		2562
1915	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1916		2564
1917	unless ($map) {	2565	unless ($map) {
1918	# restore original map position	2566	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1935		2583
1936	$map->load;	2584	$map->load;
1937	$map->load_diag;	2585	$map->load_neighbours;
1938		2586
1939	return unless $self->contr->active;	2587	return unless $self->contr->active;
1940	$self->activate_recursive;	2588	$self->activate_recursive;
1941		2589
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1944	}	2592	}
1945		2593
1946	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2595
1950	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1954	};	2600	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2601
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
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
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1981		2605
1982	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2607	my ($self, $path, $x, $y, $check, $done) = @_;
		2608
		2609	# do generation counting so two concurrent goto's will be executed in-order
		2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2611
1985	$self->enter_link;	2612	$self->enter_link;
1986		2613
1987	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
1988	my $map = eval {	2636	my $map = eval {
1989	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2640	$map = $map->customise_for ($self);
		2641	$map = $check->($map) if $check && $map;
		2642	} else {
		2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645
1991	$map	2646	$map
		2647	};
		2648
		2649	if ($@) {
		2650	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2652	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1996	})->prio (1);	2660	})->prio (1);
1997	}	2661	}
1998		2662
1999	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
2000		2664
…		…
2037	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
2038	}	2702	}
2039		2703
2040	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
2041		2705
2042	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
2045		2709
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
…		…
2069	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
2071		2735
2072	$self->enter_link;	2736	$self->enter_link;
2073		2737
		2738	# if exit is damned, update players death & WoR home-position
		2739	$self->contr->savebed ($slaying, $hp, $sp)
		2740	if $exit->flag (FLAG_DAMNED);
		2741
2074	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
2075	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2746	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
2078		2748
2079	1;	2749	1;
…		…
2105		2775
2106	utf8::encode $text;	2776	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2778	}
2109		2779
		2780	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2781
		2782	Send a drawinfo or msg packet to the client, formatting the msg for the
		2783	client if neccessary. C<$type> should be a string identifying the type of
		2784	the message, with C<log> being the default. If C<$color> is negative, suppress
		2785	the message unless the client supports the msg packet.
		2786
		2787	=cut
		2788
		2789	# non-persistent channels (usually the info channel)
		2790	our %CHANNEL = (
		2791	"c/identify" => {
		2792	id => "infobox",
		2793	title => "Identify",
		2794	reply => undef,
		2795	tooltip => "Items recently identified",
		2796	},
		2797	"c/examine" => {
		2798	id => "infobox",
		2799	title => "Examine",
		2800	reply => undef,
		2801	tooltip => "Signs and other items you examined",
		2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
		2845	);
		2846
		2847	sub cf::client::send_msg {
		2848	my ($self, $channel, $msg, $color, @extra) = @_;
		2849
		2850	$msg = $self->pl->expand_cfpod ($msg);
		2851
		2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2853
		2854	# check predefined channels, for the benefit of C
		2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel)
		2868	if $self->can_msg;
		2869	}
		2870
		2871	$channel = $channel->{id};
		2872	}
		2873
		2874	return unless @extra || length $msg;
		2875
		2876	if ($self->can_msg) {
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2883	} else {
		2884	if ($color >= 0) {
		2885	# replace some tags by gcfclient-compatible ones
		2886	for ($msg) {
		2887	1 while
		2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2893	}
		2894
		2895	$color &= cf::NDI_COLOR_MASK;
		2896
		2897	utf8::encode $msg;
		2898
		2899	if (0 && $msg =~ /\[/) {
		2900	# COMMAND/INFO
		2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2902	} else {
		2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2904	$self->send_packet ("drawinfo $color $msg")
		2905	}
		2906	}
		2907	}
		2908	}
		2909
2110	=item $client->ext_event ($type, %msg)	2910	=item $client->ext_msg ($type, @msg)
2111		2911
2112	Sends an exti event to the client.	2912	Sends an ext event to the client.
2113		2913
2114	=cut	2914	=cut
2115		2915
2116	sub cf::client::ext_event($$%) {	2916	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2917	my ($self, $type, @msg) = @_;
2118		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2922	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2924	}
		2925	}
		2926
		2927	=item $client->ext_reply ($msgid, @msg)
		2928
		2929	Sends an ext reply to the client.
		2930
		2931	=cut
		2932
		2933	sub cf::client::ext_reply($$@) {
		2934	my ($self, $id, @msg) = @_;
		2935
		2936	if ($self->extcmd == 2) {
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2938	} elsif ($self->extcmd == 1) {
		2939	#TODO: version 1, remove
		2940	unshift @msg, msgtype => "reply", msgid => $id;
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2942	}
2121	}	2943	}
2122		2944
2123	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
2124		2946
2125	Queues a query to the client, calling the given callback with	2947	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>,	2948	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>.	2949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2950
2129	Queries can fail, so check the return code. Or don't, as queries will become	2951	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2952	become reliable at some point in the future.
2131		2953
2132	=cut	2954	=cut
2133		2955
2134	sub cf::client::query {	2956	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2965	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2967
2146	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
2148	}	2972	}
2149		2973
2150	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2151	on_reply => sub {	2980	on_reply => sub {
2152	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2153		2982
2154	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2155	# get handled first	2984	# get handled first
…		…
2167	} else {	2996	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2998	}
2170	}	2999	}
2171	},	3000	},
		3001	on_exticmd => sub {
		3002	my ($ns, $buf) = @_;
		3003
		3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3005
		3006	if (ref $msg) {
		3007	my ($type, $reply, @payload) =
		3008	"ARRAY" eq ref $msg
		3009	? @$msg
		3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3011
		3012	my @reply;
		3013
		3014	if (my $cb = $EXTICMD{$type}) {
		3015	@reply = $cb->($ns, @payload);
		3016	}
		3017
		3018	$ns->ext_reply ($reply, @reply)
		3019	if $reply;
		3020
		3021	} else {
		3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3023	}
		3024
		3025	cf::override;
		3026	},
2172	);	3027	);
2173		3028
2174	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2175		3030
2176	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2219		3074
2220	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2221		3076
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3077	$safe->permit_only (Opcode::opset qw(
		3078	:base_core :base_mem :base_orig :base_math
		3079	grepstart grepwhile mapstart mapwhile
		3080	sort time
		3081	));
2223		3082
2224	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2225		3084
2226	=pod	3085	=pod
2227		3086
2228	The following functions and methods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2229		3088
2230	cf::object contr pay_amount pay_player map	3089	cf::object
		3090	contr pay_amount pay_player map x y force_find force_add destroy
		3091	insert remove name archname title slaying race decrease split
		3092
2231	cf::object::player player	3093	cf::object::player
2232	cf::player peaceful	3094	player
2233	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2234		3101
2235	=cut	3102	=cut
2236		3103
2237	for (	3104	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3106	insert remove inv name archname title slaying race
		3107	decrease split destroy)],
2239	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2242	) {	3111	) {
2243	no strict 'refs';	3112	no strict 'refs';
…		…
2314	=back	3183	=back
2315		3184
2316	=cut	3185	=cut
2317		3186
2318	#############################################################################	3187	#############################################################################
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 $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3188	# the server's init and main functions
2494		3189
2495	sub load_facedata($) {	3190	sub load_facedata($) {
2496	my ($path) = @_;	3191	my ($path) = @_;
		3192
		3193	# HACK to clear player env face cache, we need some signal framework
		3194	# for this (global event?)
		3195	%ext::player_env::MUSIC_FACE_CACHE = ();
		3196
		3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3198
2498	warn "loading facedata from $path\n";	3199	warn "loading facedata from $path\n";
2499		3200
2500	my $facedata;	3201	my $facedata;
2501	0 < aio_load $path, $facedata	3202	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3205	$facedata = Coro::Storable::thaw $facedata;
2505		3206
2506	$facedata->{version} == 2	3207	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3209
		3210	# patch in the exptable
		3211	$facedata->{resource}{"res/exp_table"} = {
		3212	type => FT_RSRC,
		3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3214	};
		3215	cf::cede_to_tick;
		3216
2509	{	3217	{
2510	my $faces = $facedata->{faceinfo};	3218	my $faces = $facedata->{faceinfo};
2511		3219
2512	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3222
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3227
		3228	cf::cede_to_tick;
2518	}	3229	}
2519		3230
2520	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2522	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2523	or next;	3235	or next;
		3236
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
		3238	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3240	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3242	}
2529	Coro::cede;	3243
		3244	cf::cede_to_tick;
2530	}	3245	}
2531	}	3246	}
2532		3247
2533	{	3248	{
2534	my $anims = $facedata->{animinfo};	3249	my $anims = $facedata->{animinfo};
2535		3250
2536	while (my ($anim, $info) = each %$anims) {	3251	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3253	cf::cede_to_tick;
2539	}	3254	}
2540		3255
2541	cf::anim::invalidate_all; # d'oh	3256	cf::anim::invalidate_all; # d'oh
2542	}	3257	}
2543		3258
		3259	{
		3260	# TODO: for gcfclient pleasure, we should give resources
		3261	# that gcfclient doesn't grok a >10000 face index.
		3262	my $res = $facedata->{resource};
		3263
		3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
		3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3267	my $data;
		3268
		3269	if ($info->{type} & 1) {
		3270	# prepend meta info
		3271
		3272	my $meta = $enc->encode ({
		3273	name => $name,
		3274	%{ $info->{meta} || {} },
		3275	});
		3276
		3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
		3284	} else {
		3285	$RESOURCE{$name} = $info;
		3286	}
		3287
		3288	cf::cede_to_tick;
		3289	}
		3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3293
2544	1	3294	1
2545	}	3295	}
2546		3296
		3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
		3316
		3317	register_exticmd fx_want => sub {
		3318	my ($ns, $want) = @_;
		3319
		3320	while (my ($k, $v) = each %$want) {
		3321	$ns->fx_want ($k, $v);
		3322	}
		3323	};
		3324
		3325	sub load_resource_file($) {
		3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
		3334
2547	sub reload_regions {	3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
2548	load_resource_file "$MAPDIR/regions"	3340	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3341	or die "unable to load regions file\n";
		3342
		3343	for (cf::region::list) {
		3344	$_->{match} = qr/$_->{match}/
		3345	if exists $_->{match};
		3346	}
2550	}	3347	}
2551		3348
2552	sub reload_facedata {	3349	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3350	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3351	or die "unable to load facedata\n";
…		…
2565	}	3362	}
2566		3363
2567	sub reload_resources {	3364	sub reload_resources {
2568	warn "reloading resource files...\n";	3365	warn "reloading resource files...\n";
2569		3366
2570	reload_regions;
2571	reload_facedata;	3367	reload_facedata;
2572	reload_archetypes;	3368	reload_archetypes;
		3369	reload_regions;
2573	reload_treasures;	3370	reload_treasures;
2574		3371
2575	warn "finished reloading resource files\n";	3372	warn "finished reloading resource files\n";
2576	}	3373	}
2577		3374
2578	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
2579	reload_resources;	3378	reload_resources;
2580	}	3379	}
2581		3380
2582	sub cfg_load {	3381	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3383	or return;
2585		3384
2586	local $/;	3385	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2588		3387
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3389
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$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};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2603	sub main {	3402	sub main {
2604	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3406	(async {
2608	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2610	};	3410	};
2611		3411
2612	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2613	db_init;	3415	db_init;
2614	load_extensions;	3416	load_extensions;
2615		3417
2616	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
2617	Event::loop;	3422	EV::loop;
2618	}	3423	}
2619		3424
2620	#############################################################################	3425	#############################################################################
2621	# initialisation and cleanup	3426	# initialisation and cleanup
2622		3427
2623	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2624	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3432	$SIGWATCHER{$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";	3433	cf::cleanup "SIG$signal";
2633	},
2634	);	3434	};
		3435	}
		3436	}
		3437
		3438	sub write_runtime_sync {
		3439	my $runtime = "$LOCALDIR/runtime";
		3440
		3441	# first touch the runtime file to show we are still running:
		3442	# the fsync below can take a very very long time.
		3443
		3444	IO::AIO::aio_utime $runtime, undef, undef;
		3445
		3446	my $guard = cf::lock_acquire "write_runtime";
		3447
		3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3449	or return;
		3450
		3451	my $value = $cf::RUNTIME + 90 + 10;
		3452	# 10 is the runtime save interval, for a monotonic clock
		3453	# 60 allows for the watchdog to kill the server.
		3454
		3455	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3456	and return;
		3457
		3458	# always fsync - this file is important
		3459	aio_fsync $fh
		3460	and return;
		3461
		3462	# touch it again to show we are up-to-date
		3463	aio_utime $fh, undef, undef;
		3464
		3465	close $fh
		3466	or return;
		3467
		3468	aio_rename "$runtime~", $runtime
		3469	and return;
		3470
		3471	warn "runtime file written.\n";
		3472
2635	}	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
2636	}	3517	}
2637		3518
2638	sub emergency_save() {	3519	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2640		3521
…		…
2646	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3533	$pl->save;
2652	}	3534	}
2653	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2654		3536
2655	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2661	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2662		3544
2663	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
2666	};	3552	};
2667		3553
2668	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2669	}	3555	}
2670		3556
…		…
2685	warn "reloading...";	3571	warn "reloading...";
2686		3572
2687	warn "entering sync_job";	3573	warn "entering sync_job";
2688		3574
2689	cf::sync_job {	3575	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3577	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2693		3579
2694	warn "syncing database to disk";	3580	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3582
2697	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
2698
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703		3584
2704	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2705	for (;;) {	3586	for (;;) {
2706	BDB::flush;	3587	BDB::flush;
2707	IO::AIO::flush;	3588	IO::AIO::flush;
2708	Coro::cede;	3589	Coro::cede_notself;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";	3591	warn "iterate...";
2711	}	3592	}
2712		3593
2713	++$RELOAD;	3594	++$RELOAD;
…		…
2717	%EXT_CORO = ();	3598	%EXT_CORO = ();
2718		3599
2719	warn "removing commands";	3600	warn "removing commands";
2720	%COMMAND = ();	3601	%COMMAND = ();
2721		3602
2722	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2724		3606
2725	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2728		3610
…		…
2771	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2772	require cf;	3654	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3656
2775	warn "loading config and database again";	3657	warn "loading config and database again";
2776	cf::cfg_load;	3658	cf::reload_config;
2777		3659
2778	warn "loading extensions";	3660	warn "loading extensions";
2779	cf::load_extensions;	3661	cf::load_extensions;
2780		3662
2781	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
…		…
2788	warn "leaving sync_job";	3670	warn "leaving sync_job";
2789		3671
2790	1	3672	1
2791	} or do {	3673	} or do {
2792	warn $@;	3674	warn $@;
2793	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3676	};
2796		3677
2797	warn "reloaded";	3678	warn "reloaded";
2798	};	3679	};
2799		3680
…		…
2801		3682
2802	sub reload_perl() {	3683	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3684	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3685	# coro crashes during coro_state_free->destroy here.
2805		3686
2806	$RELOAD_WATCHER ||= Event->timer (	3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3688	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3689	undef $RELOAD_WATCHER;
2813	},
2814	);	3690	};
2815	}	3691	}
2816		3692
2817	register_command "reload" => sub {	3693	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2819		3695
2820	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
		3698	async {
		3699	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3700	reload_perl;
		3701	};
2823	}	3702	}
2824	};	3703	};
2825		3704
2826	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2827		3706
…		…
2829		3708
2830	our @WAIT_FOR_TICK;	3709	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3710	our @WAIT_FOR_TICK_BEGIN;
2832		3711
2833	sub wait_for_tick {	3712	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3714
2837	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3716	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3717	$signal->wait;
2840	}	3718	}
2841		3719
2842	sub wait_for_tick_begin {	3720	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3721	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3722
2846	my $signal = new Coro::Signal;	3723	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3724	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3725	$signal->wait;
2849	}	3726	}
2850		3727
2851	$TICK_WATCHER = Event->timer (	3728	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) {	3729	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2861	return;	3732	return;
2862	}	3733	}
2863		3734
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2867		3736
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3739	Coro::async_pool {
		3740	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3741	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3743	};
		3744	}
2878		3745
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3747	$sig->send;
2884	}	3748	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3749	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3750	$sig->send;
2887	}	3751	}
2888		3752
2889	$NOW = Event::time;	3753	$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;	3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3755
2900	_post_tick;	3756	if (0) {
2901		3757	if ($NEXT_TICK) {
2902		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
2903	},	3762	}
2904	);	3763	}
2905		3764
2906	{	3765	{
2907	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3767
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;	3768	BDB::min_parallel 8;
2917		3769	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3770	$Coro::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		3771
2933	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3778
2936	cf::sync_job {	3779	cf::sync_job {
2937	eval {	3780	eval {
2938	BDB::db_env_open	3781	BDB::db_env_open
2939	$DB_ENV,	3782	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3786	0666;
2944		3787
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3788	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	};	3789	};
2950		3790
2951	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3792	};
2953	}	3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
2954	}	3804	}
2955		3805
2956	{	3806	{
		3807	# configure IO::AIO
		3808
2957	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
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	}	3812	}
2970		3813
2971	my $_log_backtrace;	3814	my $_log_backtrace;
2972		3815
2973	sub _log_backtrace {	3816	sub _log_backtrace {
…		…
2977		3820
2978	# limit the # of concurrent backtraces	3821	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3822	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3823	++$_log_backtrace;
2981	async {	3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
2982	my @bt = fork_call {	3827	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3828	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3831	or die "addr2line: $!";

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