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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 1.435 by root, Thu May 29 03:33:20 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;
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 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
33		61
34	# configure various modules to our taste	62	# configure various modules to our taste
35	#	63	#
36	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	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	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		67
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	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		69
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		71
49	our %COMMAND = ();	72	our %COMMAND = ();
50	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
51		74
52	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
56		80
57	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
58	our @EVENT;	82	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	93	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
71		96
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	99	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	105	our $DB_ENV;
82		106
83	our %CFG;	107	our %CFG;
84		108
85	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
87		112
88	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
91		116
92	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		119
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	123	our $TICK_START; # for load detecting purposes
98		124
99	binmode STDOUT;	125	binmode STDOUT;
100	binmode STDERR;	126	binmode STDERR;
101		127
102	# read virtual server time, if available	128	# read virtual server time, if available
…		…
155		181
156	The raw value load value from the last tick.	182	The raw value load value from the last tick.
157		183
158	=item %cf::CFG	184	=item %cf::CFG
159		185
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	187	from wherever your confdir points to.
162		188
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		190
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	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	192	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.	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
		200
169	=back	201	=back
170		202
171	=cut	203	=cut
172		204
173	BEGIN {	205	BEGIN {
…		…
177	$msg .= "\n"	209	$msg .= "\n"
178	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
179		211
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		213
182	utf8::encode $msg;
183	LOG llevError, $msg;	214	LOG llevError, $msg;
184	};	215	};
185	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
186		232
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		240
194	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	242	# within the Safe compartment.
196	for my $pkg (qw(	243	for my $pkg (qw(
197	cf::global cf::attachable	244	cf::global cf::attachable
…		…
202	)) {	249	)) {
203	no strict 'refs';	250	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	252	}
206		253
207	$Event::DIED = sub {	254	$EV::DIED = sub {
208	warn "error in event callback: @_";	255	warn "error in event callback: @_";
209	};	256	};
		257
		258	#############################################################################
210		259
211	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
212		261
213	=over 4	262	=over 4
214		263
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	283	$d
235	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
236	}	285	}
237		286
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
241		288
242	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
243		290
244	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
245		292
246	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
		294
		295	=cut
		296
		297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		298
		299	sub encode_json($) { $json_coder->encode ($_[0]) }
		300	sub decode_json($) { $json_coder->decode ($_[0]) }
247		301
248	=item cf::lock_wait $string	302	=item cf::lock_wait $string
249		303
250	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
251		305
…		…
254	Wait until the given lock is available and then acquires it and returns	308	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,	309	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	310	for example when the coroutine gets canceled), the lock is automatically
257	returned.	311	returned.
258		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
259	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
261		318
262	=item $locked = cf::lock_active $string	319	=item $locked = cf::lock_active $string
263		320
264	Return true if the lock is currently active, i.e. somebody has locked it.	321	Return true if the lock is currently active, i.e. somebody has locked it.
265		322
266	=cut	323	=cut
267		324
268	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
269		327
270	sub lock_wait($) {	328	sub lock_wait($) {
271	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
272		335
273	# wait for lock, if any	336	# wait for lock, if any
274	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	339	Coro::schedule;
…		…
282		345
283	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
284	lock_wait $key;	347	lock_wait $key;
285		348
286	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
287		351
288	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
291	}	356	}
292	}	357	}
293		358
…		…
296		361
297	! ! $LOCK{$key}	362	! ! $LOCK{$key}
298	}	363	}
299		364
300	sub freeze_mainloop {	365	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
302		367
303	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	369	}
		370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
305	};	429	}
306	$TICK_WATCHER->stop;	430	};
307	$guard	431
		432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
308	}	444	}
309		445
310	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
311		447
312	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		453
318	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
319		455
320	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
321		457
322	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
325		462
326	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
329	fast or be very important.	466	fast or be very important.
…		…
332		469
333	sub sync_job(&) {	470	sub sync_job(&) {
334	my ($job) = @_;	471	my ($job) = @_;
335		472
336	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	474	my $time = EV::time;
338		475
339	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
341		478
342	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	480
344	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
345		482
346	my $busy = 1;	483	my $busy = 1;
347	my @res;	484	my @res;
348		485
349	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	488	@res = eval { $job->() };
351	warn $@ if $@;	489	warn $@ if $@;
352	undef $busy;	490	undef $busy;
353	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
354		492
355	while ($busy) {	493	while ($busy) {
356	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
357	}	498	}
		499	}
358		500
359	$time = Event::time - $time;	501	my $time = EV::time - $time;
360		502
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	503	$TICK_START += $time; # do not account sync jobs to server load
365		504
366	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
367	} else {	506	} else {
368	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
369		508
…		…
389	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
390		529
391	$coro	530	$coro
392	}	531	}
393		532
394	sub write_runtime {	533	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		534
397	# first touch the runtime file to show we are still running:	535	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
399		539
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	540	=cut
401	utime undef, undef, $fh;	541
		542	sub fork_call(&@) {
		543	my ($cb, @args) = @_;
		544
		545	# we seemingly have to make a local copy of the whole thing,
		546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
		548
		549	my @res = Coro::Util::fork_eval {
		550	reset_signals;
		551	&$cb
		552	}, @args;
		553
		554	wantarray ? @res : $res[-1]
		555	}
		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
402	}	611	};
		612	cf::cleanup "db_open(db): $@" if $@;
403		613
404	my $guard = cf::lock_acquire "write_runtime";	614	$db
		615	}
405		616
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	617	our $DB;
407	or return;
408		618
409	my $value = $cf::RUNTIME + 90 + 10;	619	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	620	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	621	$DB ||= db_table "db";
		622	};
		623	}
412		624
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	625	sub db_get($$) {
414	and return;	626	my $key = "$_[0]/$_[1]";
415		627
416	# always fsync - this file is important	628	cf::sync_job {
417	aio_fsync $fh	629	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		630
420	# touch it again to show we are up-to-date	631	$! ? ()
421	utime undef, undef, $fh;	632	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
432	}	709	}
433		710
434	=item cf::datalog type => key => value, ...	711	=item cf::datalog type => key => value, ...
435		712
436	Log a datalog packet of the given type with the given key-value pairs.	713	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")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
456		733
457	In the following description, CLASS can be any of C<global>, C<object>	734	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	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	736	Deliantra).
460		737
461	=over 4	738	=over 4
462		739
463	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
464		741
…		…
666	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
667	}	944	}
668		945
669	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
670	} else {	947	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	949	}
673		950
674	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
675	}	952	}
676		953
…		…
716	";	993	";
717	die if $@;	994	die if $@;
718	}	995	}
719		996
720	our $override;	997	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		999
723	sub override {	1000	sub override {
724	$override = 1;	1001	$override = 1;
725	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
726	}	1003	}
727		1004
728	sub do_invoke {	1005	sub do_invoke {
729	my $event = shift;	1006	my $event = shift;
730	my $callbacks = shift;	1007	my $callbacks = shift;
731		1008
732	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
733		1010
734	local $override;	1011	local $override;
735		1012
736	for (@$callbacks) {	1013	for (@$callbacks) {
737	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
746	}	1023	}
747		1024
748	0	1025	0
749	}	1026	}
750		1027
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1029
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1031
755	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
756		1033
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	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	1035	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1037
761	=back	1038	=back
762		1039
763	=cut	1040	=cut
764		1041
765	#############################################################################	1042	#############################################################################
766	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
767		1086
768	sub reattach {	1087	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1089	my ($obj) = @_;
771		1090
…		…
792	cf::attachable->attach (	1111	cf::attachable->attach (
793	prio => -1000000,	1112	prio => -1000000,
794	on_instantiate => sub {	1113	on_instantiate => sub {
795	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
796		1115
797	$data = from_json $data;	1116	$data = decode_json $data;
798		1117
799	for (@$data) {	1118	for (@$data) {
800	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
801		1120
802	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1137	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
820		1139
821	sync_job {	1140	sync_job {
822	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
825		1145
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1150	aio_close $fh;
831		1151
832	if (@$objs) {	1152	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1158	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
840	}	1160	}
841	} else {	1161	} else {
842	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
843	}	1163	}
…		…
848	}	1168	}
849	} else {	1169	} else {
850	aio_unlink $filename;	1170	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
852	}	1172	}
853	}	1173	};
854	}	1174	}
855		1175
856	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
858		1178
…		…
870	or return;	1190	or return;
871		1191
872	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
874	or return;	1194	or return;
		1195
875	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
876	}	1198	}
877		1199
		1200	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
880	return ($data, $av);	1204	($data, $av)
881	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
882		1212
883	#############################################################################	1213	#############################################################################
884	# command handling &c	1214	# command handling &c
885		1215
886	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1230	}
901		1231
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1233
904	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
905		1239
906	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
907	called.	1241	called.
908		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
909	=cut	1254	=cut
910		1255
911	sub register_extcmd {	1256	sub register_extcmd {
912	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
913		1258
914	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
915	}	1266	}
916		1267
917	cf::player->attach (	1268	cf::player->attach (
918	on_command => sub {	1269	on_command => sub {
919	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1279	cf::override;
929	},	1280	},
930	on_extcmd => sub {	1281	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
932		1283
933	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1285
935	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
941	} else {	1301	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1303	}
944		1304
945	cf::override;	1305	cf::override;
946	},	1306	},
947	);	1307	);
948		1308
949	sub load_extension {
950	my ($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 {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
984	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1314	next unless -r $path;
986	eval {	1315
987	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
988	1	1372	}
989	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
990	}	1378	};
991	}	1379	}
992		1380
993	#############################################################################	1381	#############################################################################
994		1382
		1383	=back
		1384
995	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
996		1386
997	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
998		1388
999	=cut	1389	=cut
…		…
1003	use Coro::AIO;	1393	use Coro::AIO;
1004		1394
1005	=head3 cf::player	1395	=head3 cf::player
1006		1396
1007	=over 4	1397	=over 4
		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
1008		1412
1009	=item cf::player::find $login	1413	=item cf::player::find $login
1010		1414
1011	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
1012		1416
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1455	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1456
1053	my $pl = load_pl path $login	1457	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
1056	}	1466	}
1057	}	1467	}
1058	}	1468	}
1059		1469
…		…
1068	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1069		1479
1070	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1072		1482
		1483	cf::get_slot 0.01;
		1484
1073	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1074	Coro::cede;	1486	cf::cede_to_tick;
1075	}	1487	}
1076		1488
1077	sub new($) {	1489	sub new($) {
1078	my ($login) = @_;	1490	my ($login) = @_;
1079		1491
…		…
1085	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1086		1498
1087	$self	1499	$self
1088	}	1500	}
1089		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1090	=item $pl->quit_character	1512	=item $pl->quit_character
1091		1513
1092	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1094		1516
…		…
1102	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1104		1526
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1109		1533
1110	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1571	or return [];
1148		1572
1149	my @logins;	1573	my @logins;
1150		1574
1151	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1155		1585
1156	utf8::decode $login;	1586	utf8::decode $login;
1157	push @logins, $login;	1587	push @logins, $login;
1158	}	1588	}
1159		1589
…		…
1186	}	1616	}
1187		1617
1188	\@paths	1618	\@paths
1189	}	1619	}
1190		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1191	=item $player->ext_reply ($msgid, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1192		1715
1193	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1194		1717
1195	=cut	1718	=cut
1196		1719
1197	sub ext_reply($$%) {	1720	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1199		1722
1200	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1724	}
1204		1725
1205	=item $player->ext_event ($type, %msg)	1726	=item $player->ext_msg ($type, @msg)
1206		1727
1207	Sends an ext event to the client.	1728	Sends an ext event to the client.
1208		1729
1209	=cut	1730	=cut
1210		1731
1211	sub ext_event($$%) {	1732	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1733	my ($self, $type, @msg) = @_;
1213		1734
1214	$self->ns->ext_event ($type, %msg);	1735	$self->ns->ext_msg ($type, @msg);
1215	}	1736	}
1216		1737
1217	=head3 cf::region	1738	=head3 cf::region
1218		1739
1219	=over 4	1740	=over 4
…		…
1222		1743
1223	package cf::region;	1744	package cf::region;
1224		1745
1225	=item cf::region::find_by_path $path	1746	=item cf::region::find_by_path $path
1226		1747
1227	Tries to decuce the probable region for a map knowing only its path.	1748	Tries to decuce the likely region for a map knowing only its path.
1228		1749
1229	=cut	1750	=cut
1230		1751
1231	sub find_by_path($) {	1752	sub find_by_path($) {
1232	my ($path) = @_;	1753	my ($path) = @_;
1233		1754
1234	my ($match, $specificity);	1755	my ($match, $specificity);
1235		1756
1236	for my $region (list) {	1757	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1758	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1759	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1760	if $region->specificity > $specificity;
1240	}	1761	}
1241	}	1762	}
1242		1763
…		…
1263	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1265		1786
1266	sub generate_random_map {	1787	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1268	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1793	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1307		1831
1308	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1309	local $self->{path};	1833	local $self->{path};
1310	local $self->{load_path};	1834	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1835
1314	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1315	}	1837	}
1316		1838
1317	sub normalise {	1839	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1365	return $self;	1887	return $self;
1366	}	1888	}
1367	}	1889	}
1368		1890
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1892	()
1371	}	1893	}
1372		1894
1373	sub init {	1895	sub init {
1374	my ($self) = @_;	1896	my ($self) = @_;
…		…
1396		1918
1397	# the temporary/swap location	1919	# the temporary/swap location
1398	sub save_path {	1920	sub save_path {
1399	my ($self) = @_;	1921	my ($self) = @_;
1400		1922
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1924	"$TMPDIR/$path.map"
1403	}	1925	}
1404		1926
1405	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1406	sub uniq_path {	1928	sub uniq_path {
1407	my ($self) = @_;	1929	my ($self) = @_;
1408		1930
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1932	"$UNIQUEDIR/$path"
1411	}	1933	}
1412		1934
1413	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1414	# all maps in C++...	1936	# all maps in C++...
…		…
1417		1939
1418	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1420	}	1942	}
1421		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1422	sub unlink_save {	1952	sub unlink_save {
1423	my ($self) = @_;	1953	my ($self) = @_;
1424		1954
1425	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1959
1430	sub load_header_from($) {	1960	sub load_header_from($) {
1431	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1432		1962
1433	utf8::encode $path;	1963	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1439		1972
1440	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1441		1974
1442	1	1975	1
1443	}	1976	}
…		…
1482	$self->load_header_orig	2015	$self->load_header_orig
1483	or return;	2016	or return;
1484	$self->prepare_orig;	2017	$self->prepare_orig;
1485	}	2018	}
1486		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1487	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2024	unless $self->default_region;
1489		2025
1490	1	2026	1
1491	}	2027	}
…		…
1494	sub find {	2030	sub find {
1495	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1496		2032
1497	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1498		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1500		2037
1501	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1503	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1504	or return;	2043	or return;
1505		2044
1506	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1507		2046
1508	$map->load_header	2047	$map->load_header
1509	or return;	2048	or return;
1510		2049
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1514	$map->reset;	2055	$map->reset;
1515	undef $guard;
1516	return find $path;	2056	return find $path;
1517	}	2057	}
1518		2058
1519	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1520	}	2060	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1530		2070
1531	my $path = $self->{path};	2071	my $path = $self->{path};
1532		2072
1533	{	2073	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1535		2075
		2076	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2078
1538	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1539		2080
1540	$self->alloc;	2081	$self->alloc;
1541		2082
1542	$self->pre_load;	2083	$self->pre_load;
1543	Coro::cede;	2084	cf::cede_to_tick;
1544		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2088	$self->_load_objects ($f)
1546	or return;	2089	or return;
1547		2090
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2092	if delete $self->{load_original};
1550		2093
1551	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2095	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2098	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1556	}	2102	}
1557	}	2103	}
1558		2104
1559	Coro::cede;	2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1560	# now do the right thing for maps	2108	# now do the right thing for maps
1561	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2111	unless $self->difficulty;
1564	Coro::cede;	2112	cf::cede_to_tick;
1565		2113
1566	unless ($self->{deny_activate}) {	2114	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2115	$self->decay_objects;
1568	$self->fix_auto_apply;	2116	$self->fix_auto_apply;
1569	$self->update_buttons;	2117	$self->update_buttons;
1570	Coro::cede;	2118	cf::cede_to_tick;
1571	$self->set_darkness_map;	2119	$self->set_darkness_map;
1572	Coro::cede;	2120	cf::cede_to_tick;
1573	$self->activate;	2121	$self->activate;
1574	}	2122	}
1575		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2128	}
1578		2129
1579	$self->post_load;	2130	$self->post_load;
1580	}	2131	}
1581		2132
…		…
1583	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1584		2135
1585	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2137	if $self->per_player;
1587		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1588	$self	2142	$self
1589	}	2143	}
1590		2144
1591	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2146	sub load_neighbours {
1593	my ($map) = @_;	2147	my ($map) = @_;
1594		2148
1595	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1596		2150
1597	for (0 .. 3) {	2151	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1599	or next;	2153	or next;
1600	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1601	or next;	2155	or next;
1602	$neigh->load;	2156	$neigh->load;
1603		2157
		2158	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2161	}
1607		2162
1608	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1610	or next;	2166	or next;
1611	$neigh->load;	2167	$neigh->load;
1612	}	2168	}
1613	}	2169	}
1614		2170
…		…
1619	}	2175	}
1620		2176
1621	sub do_load_sync {	2177	sub do_load_sync {
1622	my ($map) = @_;	2178	my ($map) = @_;
1623		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1624	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1625	}	2184	}
1626		2185
1627	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1629		2188
1630	sub find_async {	2189	sub find_async {
1631	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1632		2191
1633	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1634		2193
1635	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2196	}
1638		2197
1639	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1640	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1641	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2205	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2206	$map->load if $v;
		2207	}
1646		2208
1647	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1648	}	2210	}
1649	}	2211	}
1650	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1651	};	2213	};
1652	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2217	}
1656		2218
1657	sub save {	2219	sub save {
1658	my ($self) = @_;	2220	my ($self) = @_;
1659		2221
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2223
1662	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1663		2225
1664	return unless $self->dirty;	2226	return unless $self->dirty;
1665		2227
…		…
1671	return if $self->{deny_save};	2233	return if $self->{deny_save};
1672		2234
1673	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1674		2236
1675	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1677	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1678		2243
1679	if ($uniq) {	2244	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2247	} else {
…		…
1688	my ($self) = @_;	2253	my ($self) = @_;
1689		2254
1690	# save first because save cedes	2255	# save first because save cedes
1691	$self->save;	2256	$self->save;
1692		2257
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2259
1695	return if $self->players;	2260	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2262	return if $self->{deny_save};
1698		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2268	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2269	}
1702		2270
1703	sub reset_at {	2271	sub reset_at {
1704	my ($self) = @_;	2272	my ($self) = @_;
1705		2273
1706	# TODO: safety, remove and allow resettable per-player maps	2274	# 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};	2275	return 1e99 if $self->{deny_reset};
1709		2276
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2279
…		…
1723	my ($self) = @_;	2290	my ($self) = @_;
1724		2291
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2293
1727	return if $self->players;	2294	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2295
1730	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
1731		2297
1732	$self->in_memory (cf::MAP_SWAPPED);	2298	$self->in_memory (cf::MAP_SWAPPED);
1733		2299
1734	# need to save uniques path	2300	# need to save uniques path
1735	unless ($self->{deny_save}) {	2301	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2305	if $uniq;
1740	}	2306	}
1741		2307
1742	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1743		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2312	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2313
1748	$self->unlink_save;	2314	$self->unlink_save;
1749	$self->destroy;	2315	$self->destroy;
1750	}	2316	}
1751		2317
1752	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1753		2319
1754	sub nuke {	2320	sub nuke {
1755	my ($self) = @_;	2321	my ($self) = @_;
1756		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1757	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1758		2327
1759	$self->unlink_save;	2328	$self->unlink_save;
1760		2329
1761	bless $self, "cf::map";	2330	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2335
1767	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1768		2338
1769	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1770	}	2376	}
1771		2377
1772	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1773		2379
1774	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2381	instantiated unique items. May block.
1776		2382
1777	=cut	2383	=cut
1778		2384
1779	sub unique_maps() {	2385	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2386	[
1781	or return;	2387	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2388	utf8::decode $_;
1787	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2391	? ()
1790	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2394	]
1792
1793	\@paths
1794	}	2395	}
1795
1796	package cf;
1797		2396
1798	=back	2397	=back
1799		2398
1800	=head3 cf::object	2399	=head3 cf::object
1801		2400
…		…
1805		2404
1806	=over 4	2405	=over 4
1807		2406
1808	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1809		2408
1810	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1811		2411
1812	=cut	2412	=cut
1813		2413
1814	sub inv_recursive_;	2414	sub inv_recursive_;
1815	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1818		2418
1819	sub inv_recursive {	2419	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1821	}	2421	}
1822		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1823	package cf;	2451	package cf;
1824		2452
1825	=back	2453	=back
1826		2454
1827	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1836		2464
1837	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1838		2480
1839	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2482	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1844		2486
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2488
1847	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1849	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1852	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1853	}	2514	}
1854		2515
1855	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1856		2517
1857	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1905		2566
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2568
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1910		2571
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2573	}
1913		2574
1914	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1916		2579
1917	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1918		2581
1919	unless ($map) {	2582	unless ($map) {
1920	# restore original map position	2583	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1937		2600
1938	$map->load;	2601	$map->load;
1939	$map->load_diag;	2602	$map->load_neighbours;
1940		2603
1941	return unless $self->contr->active;	2604	return unless $self->contr->active;
1942	$self->activate_recursive;	2605	$self->activate_recursive;
1943		2606
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1946	}	2609	}
1947		2610
1948	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2612
1952	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1956	};	2617	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2618
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	2619	=cut
		2620
		2621	our $GOTOGEN;
1983		2622
1984	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2624	my ($self, $path, $x, $y, $check, $done) = @_;
		2625
		2626	# do generation counting so two concurrent goto's will be executed in-order
		2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2628
1987	$self->enter_link;	2629	$self->enter_link;
1988		2630
1989	(async {	2631	(async {
		2632	$Coro::current->{desc} = "player::goto $path $x $y";
		2633
		2634	# *tag paths override both path and x|y
		2635	if ($path =~ /^\*(.*)$/) {
		2636	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2637	my $ob = $obs[rand @obs];
		2638
		2639	# see if we actually can go there
		2640	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2641	$ob = $obs[rand @obs];
		2642	} else {
		2643	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645	# else put us there anyways for now #d#
		2646
		2647	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2648	} else {
		2649	($path, $x, $y) = (undef, undef, undef);
		2650	}
		2651	}
		2652
1990	my $map = eval {	2653	my $map = eval {
1991	my $map = cf::map::find $path;	2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
		2658	$map = $check->($map) if $check && $map;
		2659	} else {
		2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
		2662
1993	$map	2663	$map
		2664	};
		2665
		2666	if ($@) {
		2667	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2669	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1998	})->prio (1);	2677	})->prio (1);
1999	}	2678	}
2000		2679
2001	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
2002		2681
…		…
2022	}	2701	}
2023		2702
2024	sub prepare_random_map {	2703	sub prepare_random_map {
2025	my ($exit) = @_;	2704	my ($exit) = @_;
2026		2705
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2708	# that depends on the exit object
2032		2709
2033	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2712	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2713	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
2040	}	2719	}
2041		2720
2042	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
2043		2722
2044	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
2047		2726
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2729	undef $fh;
2051	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
2052		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
2055	}	2738	}
2056	}	2739	}
2057		2740
2058	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
2060		2743
2061	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
2062		2745
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2746	$self->enter_link;
2075		2747
2076	(async {	2748	(async {
2077	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
2078	unless (eval {	2751	unless (eval {
		2752	$self->deactivate_recursive; # just to be sure
		2753
		2754	# random map handling
		2755	{
		2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2757
		2758	prepare_random_map $exit
		2759	if $exit->slaying eq "/!";
		2760	}
		2761
		2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
		2765
2079	$self->goto ($slaying, $hp, $sp);	2766	$self->goto ($map, $x, $y);
2080		2767
		2768	# if exit is damned, update players death & WoR home-position
		2769	$self->contr->savebed ($map, $x, $y)
		2770	if $exit->flag (cf::FLAG_DAMNED);
		2771
2081	1;	2772	1
2082	}) {	2773	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
2084	. "I'll try to bring you back to the map you were before. "	2775	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2107		2798
2108	utf8::encode $text;	2799	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2801	}
2111		2802
		2803	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2804
		2805	Send a drawinfo or msg packet to the client, formatting the msg for the
		2806	client if neccessary. C<$type> should be a string identifying the type of
		2807	the message, with C<log> being the default. If C<$color> is negative, suppress
		2808	the message unless the client supports the msg packet.
		2809
		2810	=cut
		2811
		2812	# non-persistent channels (usually the info channel)
		2813	our %CHANNEL = (
		2814	"c/identify" => {
		2815	id => "infobox",
		2816	title => "Identify",
		2817	reply => undef,
		2818	tooltip => "Items recently identified",
		2819	},
		2820	"c/examine" => {
		2821	id => "infobox",
		2822	title => "Examine",
		2823	reply => undef,
		2824	tooltip => "Signs and other items you examined",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/uptime" => {
		2851	id => "infobox",
		2852	title => "Uptime",
		2853	reply => undef,
		2854	tooltip => "How long the server has been running since last restart",
		2855	},
		2856	"c/mapinfo" => {
		2857	id => "infobox",
		2858	title => "Map Info",
		2859	reply => undef,
		2860	tooltip => "Information related to the maps",
		2861	},
		2862	"c/party" => {
		2863	id => "party",
		2864	title => "Party",
		2865	reply => "gsay ",
		2866	tooltip => "Messages and chat related to your party",
		2867	},
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg);
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883
		2884	$channel = $channel->{id};
		2885
		2886	} elsif (ref $channel) {
		2887	# send meta info to client, if not yet sent
		2888	unless (exists $self->{channel}{$channel->{id}}) {
		2889	$self->{channel}{$channel->{id}} = $channel;
		2890	$self->ext_msg (channel_info => $channel)
		2891	if $self->can_msg;
		2892	}
		2893
		2894	$channel = $channel->{id};
		2895	}
		2896
		2897	return unless @extra || length $msg;
		2898
		2899	if ($self->can_msg) {
		2900	# default colour, mask it out
		2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2902	if $color & cf::NDI_DEF;
		2903
		2904	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2906	} else {
		2907	if ($color >= 0) {
		2908	# replace some tags by gcfclient-compatible ones
		2909	for ($msg) {
		2910	1 while
		2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2916	}
		2917
		2918	$color &= cf::NDI_COLOR_MASK;
		2919
		2920	utf8::encode $msg;
		2921
		2922	if (0 && $msg =~ /\[/) {
		2923	# COMMAND/INFO
		2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2925	} else {
		2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2927	$self->send_packet ("drawinfo $color $msg")
		2928	}
		2929	}
		2930	}
		2931	}
		2932
2112	=item $client->ext_event ($type, %msg)	2933	=item $client->ext_msg ($type, @msg)
2113		2934
2114	Sends an exti event to the client.	2935	Sends an ext event to the client.
2115		2936
2116	=cut	2937	=cut
2117		2938
2118	sub cf::client::ext_event($$%) {	2939	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2940	my ($self, $type, @msg) = @_;
2120		2941
		2942	if ($self->extcmd == 2) {
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2944	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2945	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
		2949
		2950	=item $client->ext_reply ($msgid, @msg)
		2951
		2952	Sends an ext reply to the client.
		2953
		2954	=cut
		2955
		2956	sub cf::client::ext_reply($$@) {
		2957	my ($self, $id, @msg) = @_;
		2958
		2959	if ($self->extcmd == 2) {
		2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2961	} elsif ($self->extcmd == 1) {
		2962	#TODO: version 1, remove
		2963	unshift @msg, msgtype => "reply", msgid => $id;
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2965	}
2123	}	2966	}
2124		2967
2125	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
2126		2969
2127	Queues a query to the client, calling the given callback with	2970	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>,	2971	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>.	2972	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2973
2131	Queries can fail, so check the return code. Or don't, as queries will become	2974	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2975	become reliable at some point in the future.
2133		2976
2134	=cut	2977	=cut
2135		2978
2136	sub cf::client::query {	2979	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2988	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2990
2148	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
2150	}	2995	}
2151		2996
2152	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
2153	on_reply => sub {	3003	on_reply => sub {
2154	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
2155		3005
2156	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
2157	# get handled first	3007	# get handled first
…		…
2169	} else {	3019	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3021	}
2172	}	3022	}
2173	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($ns, $buf) = @_;
		3026
		3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3028
		3029	if (ref $msg) {
		3030	my ($type, $reply, @payload) =
		3031	"ARRAY" eq ref $msg
		3032	? @$msg
		3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3034
		3035	my @reply;
		3036
		3037	if (my $cb = $EXTICMD{$type}) {
		3038	@reply = $cb->($ns, @payload);
		3039	}
		3040
		3041	$ns->ext_reply ($reply, @reply)
		3042	if $reply;
		3043
		3044	} else {
		3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3046	}
		3047
		3048	cf::override;
		3049	},
2174	);	3050	);
2175		3051
2176	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
2177		3053
2178	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2221		3097
2222	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2223		3099
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2225		3105
2226	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2227		3107
2228	=pod	3108	=pod
2229		3109
2230	The following functions and methods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2231		3111
2232	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2233	cf::object::player player	3116	cf::object::player
2234	cf::player peaceful	3117	player
2235	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2236		3124
2237	=cut	3125	=cut
2238		3126
2239	for (	3127	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2241	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2244	) {	3134	) {
2245	no strict 'refs';	3135	no strict 'refs';
…		…
2316	=back	3206	=back
2317		3207
2318	=cut	3208	=cut
2319		3209
2320	#############################################################################	3210	#############################################################################
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 $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3211	# the server's init and main functions
2496		3212
2497	sub load_facedata($) {	3213	sub load_facedata($) {
2498	my ($path) = @_;	3214	my ($path) = @_;
		3215
		3216	# HACK to clear player env face cache, we need some signal framework
		3217	# for this (global event?)
		3218	%ext::player_env::MUSIC_FACE_CACHE = ();
		3219
		3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3221
2500	warn "loading facedata from $path\n";	3222	warn "loading facedata from $path\n";
2501		3223
2502	my $facedata;	3224	my $facedata;
2503	0 < aio_load $path, $facedata	3225	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3228	$facedata = Coro::Storable::thaw $facedata;
2507		3229
2508	$facedata->{version} == 2	3230	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3232
		3233	# patch in the exptable
		3234	$facedata->{resource}{"res/exp_table"} = {
		3235	type => FT_RSRC,
		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3237	};
		3238	cf::cede_to_tick;
		3239
2511	{	3240	{
2512	my $faces = $facedata->{faceinfo};	3241	my $faces = $facedata->{faceinfo};
2513		3242
2514	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3245
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3246	cf::face::set_visibility $idx, $info->{visibility};
		3247	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3250
		3251	cf::cede_to_tick;
2520	}	3252	}
2521		3253
2522	while (my ($face, $info) = each %$faces) {	3254	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3255	next unless $info->{smooth};
		3256
2524	my $idx = cf::face::find $face	3257	my $idx = cf::face::find $face
2525	or next;	3258	or next;
		3259
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3260	if (my $smooth = cf::face::find $info->{smooth}) {
		3261	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3263	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3264	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3265	}
2531	Coro::cede;	3266
		3267	cf::cede_to_tick;
2532	}	3268	}
2533	}	3269	}
2534		3270
2535	{	3271	{
2536	my $anims = $facedata->{animinfo};	3272	my $anims = $facedata->{animinfo};
2537		3273
2538	while (my ($anim, $info) = each %$anims) {	3274	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3275	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3276	cf::cede_to_tick;
2541	}	3277	}
2542		3278
2543	cf::anim::invalidate_all; # d'oh	3279	cf::anim::invalidate_all; # d'oh
2544	}	3280	}
2545		3281
		3282	{
		3283	# TODO: for gcfclient pleasure, we should give resources
		3284	# that gcfclient doesn't grok a >10000 face index.
		3285	my $res = $facedata->{resource};
		3286
		3287	while (my ($name, $info) = each %$res) {
		3288	if (defined $info->{type}) {
		3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3290	my $data;
		3291
		3292	if ($info->{type} & 1) {
		3293	# prepend meta info
		3294
		3295	my $meta = $enc->encode ({
		3296	name => $name,
		3297	%{ $info->{meta} || {} },
		3298	});
		3299
		3300	$data = pack "(w/a*)*", $meta, $info->{data};
		3301	} else {
		3302	$data = $info->{data};
		3303	}
		3304
		3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3306	cf::face::set_type $idx, $info->{type};
		3307	} else {
		3308	$RESOURCE{$name} = $info;
		3309	}
		3310
		3311	cf::cede_to_tick;
		3312	}
		3313	}
		3314
		3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3316
2546	1	3317	1
2547	}	3318	}
2548		3319
		3320	cf::global->attach (on_resource_update => sub {
		3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3323
		3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3325	my $sound = $soundconf->{compat}[$_]
		3326	or next;
		3327
		3328	my $face = cf::face::find "sound/$sound->[1]";
		3329	cf::sound::set $sound->[0] => $face;
		3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3331	}
		3332
		3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3334	my $face = cf::face::find "sound/$v";
		3335	cf::sound::set $k => $face;
		3336	}
		3337	}
		3338	});
		3339
		3340	register_exticmd fx_want => sub {
		3341	my ($ns, $want) = @_;
		3342
		3343	while (my ($k, $v) = each %$want) {
		3344	$ns->fx_want ($k, $v);
		3345	}
		3346	};
		3347
		3348	sub load_resource_file($) {
		3349	my $guard = lock_acquire "load_resource_file";
		3350
		3351	my $status = load_resource_file_ $_[0];
		3352	get_slot 0.1, 100;
		3353	cf::arch::commit_load;
		3354
		3355	$status
		3356	}
		3357
2549	sub reload_regions {	3358	sub reload_regions {
		3359	# HACK to clear player env face cache, we need some signal framework
		3360	# for this (global event?)
		3361	%ext::player_env::MUSIC_FACE_CACHE = ();
		3362
2550	load_resource_file "$MAPDIR/regions"	3363	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3364	or die "unable to load regions file\n";
		3365
		3366	for (cf::region::list) {
		3367	$_->{match} = qr/$_->{match}/
		3368	if exists $_->{match};
		3369	}
2552	}	3370	}
2553		3371
2554	sub reload_facedata {	3372	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3373	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3374	or die "unable to load facedata\n";
…		…
2567	}	3385	}
2568		3386
2569	sub reload_resources {	3387	sub reload_resources {
2570	warn "reloading resource files...\n";	3388	warn "reloading resource files...\n";
2571		3389
2572	reload_regions;
2573	reload_facedata;	3390	reload_facedata;
2574	reload_archetypes;	3391	reload_archetypes;
		3392	reload_regions;
2575	reload_treasures;	3393	reload_treasures;
2576		3394
2577	warn "finished reloading resource files\n";	3395	warn "finished reloading resource files\n";
2578	}	3396	}
2579		3397
2580	sub init {	3398	sub init {
		3399	my $guard = freeze_mainloop;
		3400
		3401	evthread_start IO::AIO::poll_fileno;
		3402
2581	reload_resources;	3403	reload_resources;
2582	}	3404	}
2583		3405
2584	sub cfg_load {	3406	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3408	or return;
2587		3409
2588	local $/;	3410	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2590		3412
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3414
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$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};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2605	sub main {	3427	sub main {
2606	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3431	(async {
2610	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2612	};	3435	};
2613		3436
2614	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2615	db_init;	3440	db_init;
2616	load_extensions;	3441	load_extensions;
2617		3442
2618	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2619	Event::loop;	3446	EV::loop;
2620	}	3447	}
2621		3448
2622	#############################################################################	3449	#############################################################################
2623	# initialisation and cleanup	3450	# initialisation and cleanup
2624		3451
2625	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2626	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3456	$SIGWATCHER{$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";	3457	cf::cleanup "SIG$signal";
2635	},
2636	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2637	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2638	}	3541	}
2639		3542
2640	sub emergency_save() {	3543	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2642		3545
…		…
2648	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3557	$pl->save;
2654	}	3558	}
2655	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2656		3560
2657	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2664		3568
2665	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2668	};	3576	};
2669		3577
2670	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2671	}	3579	}
2672		3580
…		…
2687	warn "reloading...";	3595	warn "reloading...";
2688		3596
2689	warn "entering sync_job";	3597	warn "entering sync_job";
2690		3598
2691	cf::sync_job {	3599	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3601	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2695		3603
2696	warn "syncing database to disk";	3604	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3606
2699	# if anything goes wrong in here, we should simply crash as we already saved	3607	# 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		3608
2706	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2707	for (;;) {	3610	for (;;) {
2708	BDB::flush;	3611	BDB::flush;
2709	IO::AIO::flush;	3612	IO::AIO::flush;
2710	Coro::cede;	3613	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3615	warn "iterate...";
2713	}	3616	}
2714		3617
2715	++$RELOAD;	3618	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3622	%EXT_CORO = ();
2720		3623
2721	warn "removing commands";	3624	warn "removing commands";
2722	%COMMAND = ();	3625	%COMMAND = ();
2723		3626
2724	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2726		3630
2727	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2730		3634
…		…
2773	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2774	require cf;	3678	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3680
2777	warn "loading config and database again";	3681	warn "loading config and database again";
2778	cf::cfg_load;	3682	cf::reload_config;
2779		3683
2780	warn "loading extensions";	3684	warn "loading extensions";
2781	cf::load_extensions;	3685	cf::load_extensions;
2782		3686
2783	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2790	warn "leaving sync_job";	3694	warn "leaving sync_job";
2791		3695
2792	1	3696	1
2793	} or do {	3697	} or do {
2794	warn $@;	3698	warn $@;
2795	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3700	};
2798		3701
2799	warn "reloaded";	3702	warn "reloaded";
2800	};	3703	};
2801		3704
…		…
2803		3706
2804	sub reload_perl() {	3707	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2807		3710
2808	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3712	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2815	},
2816	);	3714	};
2817	}	3715	}
2818		3716
2819	register_command "reload" => sub {	3717	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2821		3719
2822	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3724	reload_perl;
		3725	};
2825	}	3726	}
2826	};	3727	};
2827		3728
2828	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2829		3730
…		…
2831		3732
2832	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2834		3735
2835	sub wait_for_tick {	3736	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3738
2839	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3741	$signal->wait;
2842	}	3742	}
2843		3743
2844	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3746
2848	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3749	$signal->wait;
2851	}	3750	}
2852		3751
2853	$TICK_WATCHER = Event->timer (	3752	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) {	3753	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2863	return;	3756	return;
2864	}	3757	}
2865		3758
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2869		3760
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3765	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3767	};
		3768	}
2880		3769
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3771	$sig->send;
2886	}	3772	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3774	$sig->send;
2889	}	3775	}
2890		3776
2891	$NOW = Event::time;	3777	$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;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3779
2902	_post_tick;	3780	if (0) {
2903		3781	if ($NEXT_TICK) {
2904		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2905	},	3786	}
2906	);	3787	}
2907		3788
2908	{	3789	{
2909	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3791
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;	3792	BDB::min_parallel 8;
2919		3793	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3794	$AnyEvent::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		3795
2935	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3802
2938	cf::sync_job {	3803	cf::sync_job {
2939	eval {	3804	eval {
2940	BDB::db_env_open	3805	BDB::db_env_open
2941	$DB_ENV,	3806	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3810	0666;
2946		3811
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3812	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	};	3813	};
2952		3814
2953	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3816	};
2955	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2956	}	3828	}
2957		3829
2958	{	3830	{
		3831	# configure IO::AIO
		3832
2959	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3835	undef $AnyEvent::AIO::WATCHER;
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	}	3836	}
2972		3837
2973	my $_log_backtrace;	3838	my $_log_backtrace;
2974		3839
2975	sub _log_backtrace {	3840	sub _log_backtrace {
…		…
2979		3844
2980	# limit the # of concurrent backtraces	3845	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3846	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3847	++$_log_backtrace;
2983	async {	3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
2984	my @bt = fork_call {	3851	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3852	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3855	or die "addr2line: $!";

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