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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 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
…		…
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
…		…
716	";	992	";
717	die if $@;	993	die if $@;
718	}	994	}
719		995
720	our $override;	996	our $override;
721	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?
722		998
723	sub override {	999	sub override {
724	$override = 1;	1000	$override = 1;
725	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
726	}	1002	}
727		1003
728	sub do_invoke {	1004	sub do_invoke {
729	my $event = shift;	1005	my $event = shift;
730	my $callbacks = shift;	1006	my $callbacks = shift;
731		1007
732	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
733		1009
734	local $override;	1010	local $override;
735		1011
736	for (@$callbacks) {	1012	for (@$callbacks) {
737	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
746	}	1022	}
747		1023
748	0	1024	0
749	}	1025	}
750		1026
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1028
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1030
755	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
756		1032
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1036
761	=back	1037	=back
762		1038
763	=cut	1039	=cut
764		1040
765	#############################################################################	1041	#############################################################################
766	# 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, $ob2
		1084	}
767		1085
768	sub reattach {	1086	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1088	my ($obj) = @_;
771		1089
…		…
792	cf::attachable->attach (	1110	cf::attachable->attach (
793	prio => -1000000,	1111	prio => -1000000,
794	on_instantiate => sub {	1112	on_instantiate => sub {
795	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
796		1114
797	$data = from_json $data;	1115	$data = decode_json $data;
798		1116
799	for (@$data) {	1117	for (@$data) {
800	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
801		1119
802	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1136	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
820		1138
821	sync_job {	1139	sync_job {
822	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
825		1144
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1149	aio_close $fh;
831		1150
832	if (@$objs) {	1151	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1157	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
840	}	1159	}
841	} else {	1160	} else {
842	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
843	}	1162	}
…		…
848	}	1167	}
849	} else {	1168	} else {
850	aio_unlink $filename;	1169	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
852	}	1171	}
853	}	1172	};
854	}	1173	}
855		1174
856	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
858		1177
…		…
870	or return;	1189	or return;
871		1190
872	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
874	or return;	1193	or return;
		1194
875	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
876	}	1197	}
877		1198
		1199	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
880	return ($data, $av);	1203	($data, $av)
881	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
882		1211
883	#############################################################################	1212	#############################################################################
884	# command handling &c	1213	# command handling &c
885		1214
886	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1229	}
901		1230
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1232
904	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.
905		1238
906	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
907	called.	1240	called.
908		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
909	=cut	1253	=cut
910		1254
911	sub register_extcmd {	1255	sub register_extcmd {
912	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
913		1257
914	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
915	}	1265	}
916		1266
917	cf::player->attach (	1267	cf::player->attach (
918	on_command => sub {	1268	on_command => sub {
919	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1278	cf::override;
929	},	1279	},
930	on_extcmd => sub {	1280	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
932		1282
933	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1284
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
941	} else {	1300	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1302	}
944		1303
945	cf::override;	1304	cf::override;
946	},	1305	},
947	);	1306	);
948		1307
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
984	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1313	next unless -r $path;
986	eval {	1314
987	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	$progress = 1;
988	1	1371	}
989	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
990	}	1377	};
991	}	1378	}
992		1379
993	#############################################################################	1380	#############################################################################
994		1381
		1382	=back
		1383
995	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
996		1385
997	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
998		1387
999	=cut	1388	=cut
…		…
1003	use Coro::AIO;	1392	use Coro::AIO;
1004		1393
1005	=head3 cf::player	1394	=head3 cf::player
1006		1395
1007	=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	}
1008		1411
1009	=item cf::player::find $login	1412	=item cf::player::find $login
1010		1413
1011	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1012		1415
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1455
1053	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1056	}	1465	}
1057	}	1466	}
1058	}	1467	}
1059		1468
…		…
1068	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1069		1478
1070	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1072		1481
		1482	cf::get_slot 0.01;
		1483
1073	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1074	Coro::cede;	1485	cf::cede_to_tick;
1075	}	1486	}
1076		1487
1077	sub new($) {	1488	sub new($) {
1078	my ($login) = @_;	1489	my ($login) = @_;
1079		1490
…		…
1083	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1084		1495
1085	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1086		1497
1087	$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 (@_);
1088	}	1509	}
1089		1510
1090	=item $pl->quit_character	1511	=item $pl->quit_character
1091		1512
1092	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
…		…
1147	or return [];	1568	or return [];
1148		1569
1149	my @logins;	1570	my @logins;
1150		1571
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1155		1582
1156	utf8::decode $login;	1583	utf8::decode $login;
1157	push @logins, $login;	1584	push @logins, $login;
1158	}	1585	}
1159		1586
…		…
1186	}	1613	}
1187		1614
1188	\@paths	1615	\@paths
1189	}	1616	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1192		1712
1193	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1194		1714
1195	=cut	1715	=cut
1196		1716
1197	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1199		1719
1200	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1721	}
1204		1722
1205	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1206		1724
1207	Sends an ext event to the client.	1725	Sends an ext event to the client.
1208		1726
1209	=cut	1727	=cut
1210		1728
1211	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1213		1731
1214	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1215	}	1733	}
1216		1734
1217	=head3 cf::region	1735	=head3 cf::region
1218		1736
1219	=over 4	1737	=over 4
…		…
1222		1740
1223	package cf::region;	1741	package cf::region;
1224		1742
1225	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1226		1744
1227	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1228		1746
1229	=cut	1747	=cut
1230		1748
1231	sub find_by_path($) {	1749	sub find_by_path($) {
1232	my ($path) = @_;	1750	my ($path) = @_;
1233		1751
1234	my ($match, $specificity);	1752	my ($match, $specificity);
1235		1753
1236	for my $region (list) {	1754	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1240	}	1758	}
1241	}	1759	}
1242		1760
…		…
1263	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1265		1783
1266	sub generate_random_map {	1784	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1790	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1307		1828
1308	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1309	local $self->{path};	1830	local $self->{path};
1310	local $self->{load_path};	1831	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1832
1314	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1315	}	1834	}
1316		1835
1317	sub normalise {	1836	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1365	return $self;	1884	return $self;
1366	}	1885	}
1367	}	1886	}
1368		1887
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1889	()
1371	}	1890	}
1372		1891
1373	sub init {	1892	sub init {
1374	my ($self) = @_;	1893	my ($self) = @_;
…		…
1396		1915
1397	# the temporary/swap location	1916	# the temporary/swap location
1398	sub save_path {	1917	sub save_path {
1399	my ($self) = @_;	1918	my ($self) = @_;
1400		1919
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1403	}	1922	}
1404		1923
1405	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1406	sub uniq_path {	1925	sub uniq_path {
1407	my ($self) = @_;	1926	my ($self) = @_;
1408		1927
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1411	}	1930	}
1412		1931
1413	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1414	# all maps in C++...	1933	# all maps in C++...
…		…
1417		1936
1418	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1420	}	1939	}
1421		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1422	sub unlink_save {	1949	sub unlink_save {
1423	my ($self) = @_;	1950	my ($self) = @_;
1424		1951
1425	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1956
1430	sub load_header_from($) {	1957	sub load_header_from($) {
1431	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1432		1959
1433	utf8::encode $path;	1960	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1969
1440	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1441		1971
1442	1	1972	1
1443	}	1973	}
…		…
1482	$self->load_header_orig	2012	$self->load_header_orig
1483	or return;	2013	or return;
1484	$self->prepare_orig;	2014	$self->prepare_orig;
1485	}	2015	}
1486		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1487	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2021	unless $self->default_region;
1489		2022
1490	1	2023	1
1491	}	2024	}
…		…
1494	sub find {	2027	sub find {
1495	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1496		2029
1497	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1498		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1500		2034
1501	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1504	or return;	2040	or return;
1505		2041
1506	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1507		2043
1508	$map->load_header	2044	$map->load_header
1509	or return;	2045	or return;
1510		2046
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1514	$map->reset;	2052	$map->reset;
1515	undef $guard;
1516	return find $path;	2053	return find $path;
1517	}	2054	}
1518		2055
1519	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1520	}	2057	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1530		2067
1531	my $path = $self->{path};	2068	my $path = $self->{path};
1532		2069
1533	{	2070	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1535		2072
		2073	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2075
1538	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1539		2077
1540	$self->alloc;	2078	$self->alloc;
1541		2079
1542	$self->pre_load;	2080	$self->pre_load;
1543	Coro::cede;	2081	cf::cede_to_tick;
1544		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1546	or return;	2086	or return;
1547		2087
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2089	if delete $self->{load_original};
1550		2090
1551	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2092	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2095	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1556	}	2099	}
1557	}	2100	}
1558		2101
1559	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1560	# now do the right thing for maps	2105	# now do the right thing for maps
1561	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2108	unless $self->difficulty;
1564	Coro::cede;	2109	cf::cede_to_tick;
1565		2110
1566	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2112	$self->decay_objects;
1568	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1569	$self->update_buttons;	2114	$self->update_buttons;
1570	Coro::cede;	2115	cf::cede_to_tick;
1571	$self->set_darkness_map;	2116	$self->set_darkness_map;
1572	Coro::cede;	2117	cf::cede_to_tick;
1573	$self->activate;	2118	$self->activate;
1574	}	2119	}
1575		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2125	}
1578		2126
1579	$self->post_load;	2127	$self->post_load;
1580	}	2128	}
1581		2129
…		…
1583	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1584		2132
1585	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2134	if $self->per_player;
1587		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1588	$self	2139	$self
1589	}	2140	}
1590		2141
1591	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2143	sub load_neighbours {
1593	my ($map) = @_;	2144	my ($map) = @_;
1594		2145
1595	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1596		2147
1597	for (0 .. 3) {	2148	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1599	or next;	2150	or next;
1600	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1601	or next;	2152	or next;
1602	$neigh->load;	2153	$neigh->load;
1603		2154
		2155	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2158	}
1607		2159
1608	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1610	or next;	2163	or next;
1611	$neigh->load;	2164	$neigh->load;
1612	}	2165	}
1613	}	2166	}
1614		2167
…		…
1619	}	2172	}
1620		2173
1621	sub do_load_sync {	2174	sub do_load_sync {
1622	my ($map) = @_;	2175	my ($map) = @_;
1623		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1624	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1625	}	2181	}
1626		2182
1627	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1629		2185
1630	sub find_async {	2186	sub find_async {
1631	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1632		2188
1633	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1634		2190
1635	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2193	}
1638		2194
1639	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1640	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1641	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2202	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2203	$map->load if $v;
		2204	}
1646		2205
1647	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1648	}	2207	}
1649	}	2208	}
1650	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1651	};	2210	};
1652	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2214	}
1656		2215
1657	sub save {	2216	sub save {
1658	my ($self) = @_;	2217	my ($self) = @_;
1659		2218
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2220
1662	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1663		2222
1664	return unless $self->dirty;	2223	return unless $self->dirty;
1665		2224
…		…
1671	return if $self->{deny_save};	2230	return if $self->{deny_save};
1672		2231
1673	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1674		2233
1675	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1677	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1678		2240
1679	if ($uniq) {	2241	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2244	} else {
…		…
1688	my ($self) = @_;	2250	my ($self) = @_;
1689		2251
1690	# save first because save cedes	2252	# save first because save cedes
1691	$self->save;	2253	$self->save;
1692		2254
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2256
1695	return if $self->players;	2257	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2259	return if $self->{deny_save};
1698		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2265	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2266	}
1702		2267
1703	sub reset_at {	2268	sub reset_at {
1704	my ($self) = @_;	2269	my ($self) = @_;
1705		2270
1706	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1709		2273
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2276
…		…
1723	my ($self) = @_;	2287	my ($self) = @_;
1724		2288
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2290
1727	return if $self->players;	2291	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2292
1730	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1731		2294
1732	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1733		2296
1734	# need to save uniques path	2297	# need to save uniques path
1735	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2302	if $uniq;
1740	}	2303	}
1741		2304
1742	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1743		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2309	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2310
1748	$self->unlink_save;	2311	$self->unlink_save;
1749	$self->destroy;	2312	$self->destroy;
1750	}	2313	}
1751		2314
1752	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1753		2316
1754	sub nuke {	2317	sub nuke {
1755	my ($self) = @_;	2318	my ($self) = @_;
1756		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1757	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1758		2324
1759	$self->unlink_save;	2325	$self->unlink_save;
1760		2326
1761	bless $self, "cf::map";	2327	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2332
1767	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1768		2335
1769	$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	]
1770	}	2373	}
1771		2374
1772	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1773		2376
1774	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2378	instantiated unique items. May block.
1776		2379
1777	=cut	2380	=cut
1778		2381
1779	sub unique_maps() {	2382	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2383	[
1781	or return;	2384	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2385	utf8::decode $_;
1787	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2388	? ()
1790	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2391	]
1792
1793	\@paths
1794	}	2392	}
1795
1796	package cf;
1797		2393
1798	=back	2394	=back
1799		2395
1800	=head3 cf::object	2396	=head3 cf::object
1801		2397
…		…
1805		2401
1806	=over 4	2402	=over 4
1807		2403
1808	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1809		2405
1810	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.
1811		2408
1812	=cut	2409	=cut
1813		2410
1814	sub inv_recursive_;	2411	sub inv_recursive_;
1815	sub inv_recursive_ {	2412	sub inv_recursive_ {
1816	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1817	}	2414	}
1818		2415
1819	sub inv_recursive {	2416	sub inv_recursive {
1820	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	}
1821	}	2446	}
1822		2447
1823	package cf;	2448	package cf;
1824		2449
1825	=back	2450	=back
…		…
1844		2469
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2471
1847	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1852	}	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 (@_);
1853	}	2497	}
1854		2498
1855	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1856		2500
1857	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1905		2549
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2551
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1910		2554
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2556	}
1913		2557
1914	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1916		2562
1917	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1918		2564
1919	unless ($map) {	2565	unless ($map) {
1920	# restore original map position	2566	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1937		2583
1938	$map->load;	2584	$map->load;
1939	$map->load_diag;	2585	$map->load_neighbours;
1940		2586
1941	return unless $self->contr->active;	2587	return unless $self->contr->active;
1942	$self->activate_recursive;	2588	$self->activate_recursive;
1943		2589
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1946	}	2592	}
1947		2593
1948	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2595
1952	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1956	};	2600	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2601
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1983		2605
1984	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1985	my ($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;
1986		2611
1987	$self->enter_link;	2612	$self->enter_link;
1988		2613
1989	(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
1990	my $map = eval {	2636	my $map = eval {
1991	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1992	$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
1993	$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 $@;
1994	} or	2652	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1998	})->prio (1);	2660	})->prio (1);
1999	}	2661	}
2000		2662
2001	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
2002		2664
…		…
2039	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
2040	}	2702	}
2041		2703
2042	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
2043		2705
2044	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
2047		2709
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
2073		2735
2074	$self->enter_link;	2736	$self->enter_link;
2075		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
2076	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
2077	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2746	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
2080		2748
2081	1;	2749	1;
…		…
2107		2775
2108	utf8::encode $text;	2776	utf8::encode $text;
2109	$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);
2110	}	2778	}
2111		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
2112	=item $client->ext_event ($type, %msg)	2910	=item $client->ext_msg ($type, @msg)
2113		2911
2114	Sends an exti event to the client.	2912	Sends an ext event to the client.
2115		2913
2116	=cut	2914	=cut
2117		2915
2118	sub cf::client::ext_event($$%) {	2916	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2917	my ($self, $type, @msg) = @_;
2120		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2922	push @msg, msgtype => "event_$type";
2122	$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	}
2123	}	2943	}
2124		2944
2125	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
2126		2946
2127	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		2950
2131	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
2132	reliable at some point in the future.	2952	become reliable at some point in the future.
2133		2953
2134	=cut	2954	=cut
2135		2955
2136	sub cf::client::query {	2956	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2965	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2967
2148	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
2150	}	2972	}
2151		2973
2152	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	},
2153	on_reply => sub {	2980	on_reply => sub {
2154	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2155		2982
2156	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2157	# get handled first	2984	# get handled first
…		…
2169	} else {	2996	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2998	}
2172	}	2999	}
2173	},	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	},
2174	);	3027	);
2175		3028
2176	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2177		3030
2178	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2221		3074
2222	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2223		3076
2224	$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	));
2225		3082
2226	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2227		3084
2228	=pod	3085	=pod
2229		3086
2230	The following functions and methods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2231		3088
2232	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
2233	cf::object::player player	3093	cf::object::player
2234	cf::player peaceful	3094	player
2235	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2236		3101
2237	=cut	3102	=cut
2238		3103
2239	for (	3104	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2244	) {	3111	) {
2245	no strict 'refs';	3112	no strict 'refs';
…		…
2316	=back	3183	=back
2317		3184
2318	=cut	3185	=cut
2319		3186
2320	#############################################################################	3187	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3188	# the server's init and main functions
2496		3189
2497	sub load_facedata($) {	3190	sub load_facedata($) {
2498	my ($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;
2499		3198
2500	warn "loading facedata from $path\n";	3199	warn "loading facedata from $path\n";
2501		3200
2502	my $facedata;	3201	my $facedata;
2503	0 < aio_load $path, $facedata	3202	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3205	$facedata = Coro::Storable::thaw $facedata;
2507		3206
2508	$facedata->{version} == 2	3207	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		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
2511	{	3217	{
2512	my $faces = $facedata->{faceinfo};	3218	my $faces = $facedata->{faceinfo};
2513		3219
2514	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3222
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3227
		3228	cf::cede_to_tick;
2520	}	3229	}
2521		3230
2522	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2524	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2525	or next;	3235	or next;
		3236
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
		3238	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3240	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3242	}
2531	Coro::cede;	3243
		3244	cf::cede_to_tick;
2532	}	3245	}
2533	}	3246	}
2534		3247
2535	{	3248	{
2536	my $anims = $facedata->{animinfo};	3249	my $anims = $facedata->{animinfo};
2537		3250
2538	while (my ($anim, $info) = each %$anims) {	3251	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3253	cf::cede_to_tick;
2541	}	3254	}
2542		3255
2543	cf::anim::invalidate_all; # d'oh	3256	cf::anim::invalidate_all; # d'oh
2544	}	3257	}
2545		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
2546	1	3294	1
2547	}	3295	}
2548		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	$status
		3333	}
		3334
2549	sub reload_regions {	3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
2550	load_resource_file "$MAPDIR/regions"	3340	load_resource_file "$MAPDIR/regions"
2551	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 $_->{match};
		3346	}
2552	}	3347	}
2553		3348
2554	sub reload_facedata {	3349	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3350	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3351	or die "unable to load facedata\n";
…		…
2567	}	3362	}
2568		3363
2569	sub reload_resources {	3364	sub reload_resources {
2570	warn "reloading resource files...\n";	3365	warn "reloading resource files...\n";
2571		3366
2572	reload_regions;
2573	reload_facedata;	3367	reload_facedata;
2574	reload_archetypes;	3368	reload_archetypes;
		3369	reload_regions;
2575	reload_treasures;	3370	reload_treasures;
2576		3371
2577	warn "finished reloading resource files\n";	3372	warn "finished reloading resource files\n";
2578	}	3373	}
2579		3374
2580	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
2581	reload_resources;	3378	reload_resources;
2582	}	3379	}
2583		3380
2584	sub cfg_load {	3381	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3383	or return;
2587		3384
2588	local $/;	3385	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2590		3387
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3389
2593	$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};
2594	$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};
…		…
2605	sub main {	3402	sub main {
2606	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2608	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#
2609	(async {	3406	(async {
2610	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2612	};	3410	};
2613		3411
2614	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2615	db_init;	3415	db_init;
2616	load_extensions;	3416	load_extensions;
2617		3417
2618	$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
2619	Event::loop;	3422	EV::loop;
2620	}	3423	}
2621		3424
2622	#############################################################################	3425	#############################################################################
2623	# initialisation and cleanup	3426	# initialisation and cleanup
2624		3427
2625	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2626	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2635	},
2636	);	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
2637	}	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 };
2638	}	3517	}
2639		3518
2640	sub emergency_save() {	3519	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2642		3521
…		…
2648	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3533	$pl->save;
2654	}	3534	}
2655	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2656		3536
2657	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2664		3544
2665	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2667	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";
2668	};	3552	};
2669		3553
2670	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2671	}	3555	}
2672		3556
…		…
2687	warn "reloading...";	3571	warn "reloading...";
2688		3572
2689	warn "entering sync_job";	3573	warn "entering sync_job";
2690		3574
2691	cf::sync_job {	3575	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3577	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2695		3579
2696	warn "syncing database to disk";	3580	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3582
2699	# 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
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705		3584
2706	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2707	for (;;) {	3586	for (;;) {
2708	BDB::flush;	3587	BDB::flush;
2709	IO::AIO::flush;	3588	IO::AIO::flush;
2710	Coro::cede;	3589	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3591	warn "iterate...";
2713	}	3592	}
2714		3593
2715	++$RELOAD;	3594	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3598	%EXT_CORO = ();
2720		3599
2721	warn "removing commands";	3600	warn "removing commands";
2722	%COMMAND = ();	3601	%COMMAND = ();
2723		3602
2724	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2726		3606
2727	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2730		3610
…		…
2773	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2774	require cf;	3654	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3656
2777	warn "loading config and database again";	3657	warn "loading config and database again";
2778	cf::cfg_load;	3658	cf::reload_config;
2779		3659
2780	warn "loading extensions";	3660	warn "loading extensions";
2781	cf::load_extensions;	3661	cf::load_extensions;
2782		3662
2783	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3670	warn "leaving sync_job";
2791		3671
2792	1	3672	1
2793	} or do {	3673	} or do {
2794	warn $@;	3674	warn $@;
2795	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3676	};
2798		3677
2799	warn "reloaded";	3678	warn "reloaded";
2800	};	3679	};
2801		3680
…		…
2803		3682
2804	sub reload_perl() {	3683	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3684	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3685	# coro crashes during coro_state_free->destroy here.
2807		3686
2808	$RELOAD_WATCHER ||= Event->timer (	3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3688	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3689	undef $RELOAD_WATCHER;
2815	},
2816	);	3690	};
2817	}	3691	}
2818		3692
2819	register_command "reload" => sub {	3693	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2821		3695
2822	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
		3698	async {
		3699	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3700	reload_perl;
		3701	};
2825	}	3702	}
2826	};	3703	};
2827		3704
2828	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2829		3706
…		…
2831		3708
2832	our @WAIT_FOR_TICK;	3709	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3710	our @WAIT_FOR_TICK_BEGIN;
2834		3711
2835	sub wait_for_tick {	3712	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3714
2839	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3716	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3717	$signal->wait;
2842	}	3718	}
2843		3719
2844	sub wait_for_tick_begin {	3720	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3721	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3722
2848	my $signal = new Coro::Signal;	3723	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3724	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3725	$signal->wait;
2851	}	3726	}
2852		3727
2853	$TICK_WATCHER = Event->timer (	3728	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
2861	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"
2862	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2863	return;	3732	return;
2864	}	3733	}
2865		3734
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2869		3736
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3739	Coro::async_pool {
		3740	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3741	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3743	};
		3744	}
2880		3745
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3747	$sig->send;
2886	}	3748	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3749	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3750	$sig->send;
2889	}	3751	}
2890		3752
2891	$NOW = Event::time;	3753	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3755
2902	_post_tick;	3756	if (0) {
2903		3757	if ($NEXT_TICK) {
2904		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
2905	},	3762	}
2906	);	3763	}
2907		3764
2908	{	3765	{
2909	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3767
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
2919		3769	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3771
2935	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
2936	$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);
2937		3778
2938	cf::sync_job {	3779	cf::sync_job {
2939	eval {	3780	eval {
2940	BDB::db_env_open	3781	BDB::db_env_open
2941	$DB_ENV,	3782	$DB_ENV,
…		…
2943	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
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3786	0666;
2946		3787
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3789	};
2952		3790
2953	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3792	};
2955	}	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	};
2956	}	3804	}
2957		3805
2958	{	3806	{
		3807	# configure IO::AIO
		3808
2959	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3812	}
2972		3813
2973	my $_log_backtrace;	3814	my $_log_backtrace;
2974		3815
2975	sub _log_backtrace {	3816	sub _log_backtrace {
…		…
2979		3820
2980	# limit the # of concurrent backtraces	3821	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3822	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3823	++$_log_backtrace;
2983	async {	3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
2984	my @bt = fork_call {	3827	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3828	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	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 |"
2988	or die "addr2line: $!";	3831	or die "addr2line: $!";

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