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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.484 by root, Mon Oct 12 14:00:58 2009 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 it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 3.61 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
		52	use Coro::Util ();
24		53
		54	use JSON::XS 2.01 ();
25	use BDB ();	55	use BDB ();
26	use Data::Dumper;	56	use Data::Dumper;
27	use Digest::MD5;	57	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
71		112
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	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	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	115	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
82		124
83	our %CFG;	125	our %CFG;
84		126
85	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
87		130
88	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
91		134
92	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		137
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
98		147
99	binmode STDOUT;	148	binmode STDOUT;
100	binmode STDERR;	149	binmode STDERR;
101		150
102	# read virtual server time, if available	151	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
107	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
108		159
109	mkdir $_	160	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		162
112	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
113		164
114	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		177
116	#############################################################################	178	#############################################################################
117		179
118	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
119		181
…		…
155		217
156	The raw value load value from the last tick.	218	The raw value load value from the last tick.
157		219
158	=item %cf::CFG	220	=item %cf::CFG
159		221
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	223	from wherever your confdir points to.
162		224
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		226
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	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	228	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.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
169	=back	243	=back
170		244
171	=cut	245	=cut
172		246
173	BEGIN {	247	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	248	my $msg = join "", @_;
176		249
177	$msg .= "\n"	250	$msg .= "\n"
178	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
179		252
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		254
182	utf8::encode $msg;
183	LOG llevError, $msg;	255	LOG llevError, $msg;
184	};	256	};
185	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
186		271
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	282	for my $pkg (qw(
198	cf::global cf::attachable	283	cf::global cf::attachable
199	cf::object cf::object::player	284	cf::object cf::object::player
200	cf::client cf::player	285	cf::client cf::player
201	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
202	cf::map cf::party cf::region	288	cf::party cf::region
203	)) {	289	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	291	}
207		292
208	$Event::DIED = sub {	293	$EV::DIED = sub {
209	warn "error in event callback: @_";	294	warn "error in event callback: @_";
210	};	295	};
		296
		297	#############################################################################
211		298
212	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
213		300
214	=over 4	301	=over 4
215		302
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	322	$d
236	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
237	}	324	}
238		325
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
242		327
243	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
244		329
245	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
246		331
247	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
248		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
249	=item cf::lock_wait $string	355	=item cf::lock_wait $string
250		356
251	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
252		358
253	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
254		360
255	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
258	returned.	364	returned.
259		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
260	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
262		371
263	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
264		373
265	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
266		375
267	=cut	376	=cut
268		377
269	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
270		379
271	sub lock_wait($) {	380	sub lock_wait($) {
272	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	382	}
280		383
281	sub lock_acquire($) {	384	sub lock_acquire($) {
282	my ($key) = @_;	385	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	386	}
294		387
295	sub lock_active($) {	388	sub lock_active($) {
296	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	390	}
300		391
301	sub freeze_mainloop {	392	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
303		394
304	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
306	};	456	}
307	$TICK_WATCHER->stop;	457	};
308	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
309	}	471	}
310		472
311	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
312		474
313	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		480
319	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
320		482
321	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
322		484
323	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
326		489
327	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
330	fast or be very important.	493	fast or be very important.
…		…
333		496
334	sub sync_job(&) {	497	sub sync_job(&) {
335	my ($job) = @_;	498	my ($job) = @_;
336		499
337	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	501	my $time = EV::time;
339		502
340	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
342		505
343	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	507
345	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
346		509
347	my $busy = 1;	510	my $busy = 1;
348	my @res;	511	my @res;
349		512
350	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	515	@res = eval { $job->() };
352	warn $@ if $@;	516	warn $@ if $@;
353	undef $busy;	517	undef $busy;
354	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
355		519
356	while ($busy) {	520	while ($busy) {
357	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
358	}	525	}
		526	}
359		527
360	$time = Event::time - $time;	528	my $time = EV::time - $time;
361		529
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
366		531
367	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
368	} else {	533	} else {
369	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
370		535
…		…
390	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
391		556
392	$coro	557	$coro
393	}	558	}
394		559
395	sub write_runtime {	560	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		561
398	# first touch the runtime file to show we are still running:	562	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
400		566
401	IO::AIO::aio_utime $runtime, undef, undef;	567	=cut
402		568
403	my $guard = cf::lock_acquire "write_runtime";	569	sub fork_call(&@) {
		570	my ($cb, @args) = @_;
404		571
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	# we seemingly have to make a local copy of the whole thing,
406	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
407		575
408	my $value = $cf::RUNTIME + 90 + 10;	576	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	577	reset_signals;
410	# 60 allows for the watchdog to kill the server.	578	&$cb
		579	}, @args;
411		580
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	581	wantarray ? @res : $res[-1]
413	and return;	582	}
414		583
415	# always fsync - this file is important	584	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		585
419	# touch it again to show we are up-to-date	586	=cut
420	aio_utime $fh, undef, undef;
421		587
422	close $fh	588	our %coin_alias = (
423	or return;	589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
424		604
425	aio_rename "$runtime~", $runtime	605	sub coin_from_name($) {
426	and return;	606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
427		610
428	warn "runtime file written.\n";	611	=item $value = cf::db_get $family => $key
429		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
430	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
431	}	736	}
432		737
433	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
434		739
435	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		752
448	#############################################################################	753	#############################################################################
449		754
450	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
451		756
452	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
455		760
456	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	763	Deliantra).
459		764
460	=over 4	765	=over 4
461		766
462	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
463		768
…		…
507	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
508		813
509	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
511		816
512	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
514		819
515	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
516		821
517	=over 4	822	=over 4
…		…
665	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
666	}	971	}
667		972
668	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
669	} else {	974	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	976	}
672		977
673	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
674	}	979	}
675		980
…		…
715	";	1020	";
716	die if $@;	1021	die if $@;
717	}	1022	}
718		1023
719	our $override;	1024	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1026
722	sub override {	1027	sub override {
723	$override = 1;	1028	$override = 1;
724	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
725	}	1030	}
726		1031
727	sub do_invoke {	1032	sub do_invoke {
728	my $event = shift;	1033	my $event = shift;
729	my $callbacks = shift;	1034	my $callbacks = shift;
730		1035
731	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
732		1037
733	local $override;	1038	local $override;
734		1039
735	for (@$callbacks) {	1040	for (@$callbacks) {
736	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
745	}	1050	}
746		1051
747	0	1052	0
748	}	1053	}
749		1054
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1056
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1058
754	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
755		1060
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1064
760	=back	1065	=back
761		1066
762	=cut	1067	=cut
763		1068
764	#############################################################################	1069	#############################################################################
765	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
766		1113
767	sub reattach {	1114	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1116	my ($obj) = @_;
770		1117
		1118	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1120
773	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
774		1122
775	@$registry = ();	1123	@$registry = ();
776		1124
…		…
791	cf::attachable->attach (	1139	cf::attachable->attach (
792	prio => -1000000,	1140	prio => -1000000,
793	on_instantiate => sub {	1141	on_instantiate => sub {
794	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
795		1143
796	$data = from_json $data;	1144	$data = decode_json $data;
797		1145
798	for (@$data) {	1146	for (@$data) {
799	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
800		1148
801	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1165	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
819		1167
820	sync_job {	1168	sync_job {
821	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
824		1173
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1179	aio_fsync $fh;
		1180	}
829	close $fh;	1181	aio_close $fh;
830		1182
831	if (@$objs) {	1183	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1190	aio_fsync $fh;
		1191	}
837	close $fh;	1192	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
839	}	1194	}
840	} else {	1195	} else {
841	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
842	}	1197	}
843		1198
844	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1203	} else {
846	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
847	}	1205	}
848	} else {	1206	} else {
849	aio_unlink $filename;	1207	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
851	}	1209	}
852	}	1210	};
853	}	1211	}
854		1212
855	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
857		1215
…		…
869	or return;	1227	or return;
870		1228
871	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
873	or return;	1231	or return;
		1232
874	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
875	}	1235	}
876		1236
		1237	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1239	$decname, length $data, scalar @{$av || []};
		1240
879	return ($data, $av);	1241	($data, $av)
880	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
881		1249
882	#############################################################################	1250	#############################################################################
883	# command handling &c	1251	# command handling &c
884		1252
885	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1267	}
900		1268
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1270
903	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
904		1276
905	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
906	called.	1278	called.
907		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
908	=cut	1291	=cut
909		1292
910	sub register_extcmd {	1293	sub register_extcmd {
911	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
912		1295
913	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
914	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
915		1306
916	cf::player->attach (	1307	cf::player->attach (
917	on_command => sub {	1308	on_command => sub {
918	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
919		1310
…		…
927	cf::override;	1318	cf::override;
928	},	1319	},
929	on_extcmd => sub {	1320	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
931		1322
932	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1324
934	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
940	} else {	1340	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1342	}
943		1343
944	cf::override;	1344	cf::override;
945	},	1345	},
946	);	1346	);
947		1347
		1348	# "readahead" all extensions
948	sub load_extension {	1349	sub cache_extensions {
949	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
950		1351
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1355	}
976	die $@;
977	}	1356	};
978		1357
979	push @EXTS, $pkg;	1358	$grp
980	}	1359	}
981		1360
982	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
983	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1366	next unless -r $path;
985	eval {	1367
986	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
987	1	1424	}
988	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
989	}	1430	};
990	}	1431	}
991		1432
992	#############################################################################	1433	#############################################################################
993		1434
		1435	=back
		1436
994	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
995		1438
996	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
997		1440
998	=cut	1441	=cut
999		1442
1000	package cf::player;	1443	package cf::player;
1001		1444
1002	use Coro::AIO;	1445	use Coro::AIO;
1003		1446
1004	=head3 cf::player	1447	=head3 cf::player
1005		1448
1006	=over 4	1449	=over 4
		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
1007		1464
1008	=item cf::player::find $login	1465	=item cf::player::find $login
1009		1466
1010	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1011		1468
…		…
1030		1487
1031	sub exists($) {	1488	sub exists($) {
1032	my ($login) = @_;	1489	my ($login) = @_;
1033		1490
1034	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1036	}	1493	}
1037		1494
1038	sub find($) {	1495	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1497	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1507	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1508
1052	my $pl = load_pl path $login	1509	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1055	}	1518	}
1056	}	1519	}
1057	}	1520	}
1058		1521
…		…
1067	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1068		1531
1069	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1071		1534
		1535	cf::get_slot 0.01;
		1536
1072	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1073	Coro::cede;	1538	cf::cede_to_tick;
1074	}	1539	}
1075		1540
1076	sub new($) {	1541	sub new($) {
1077	my ($login) = @_;	1542	my ($login) = @_;
1078		1543
…		…
1084	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1085		1550
1086	$self	1551	$self
1087	}	1552	}
1088		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1089	=item $pl->quit_character	1564	=item $pl->quit_character
1090		1565
1091	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1093		1568
…		…
1097	my ($pl) = @_;	1572	my ($pl) = @_;
1098		1573
1099	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1100		1575
1101	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1578
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1108		1585
1109	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1623	or return [];
1147		1624
1148	my @logins;	1625	my @logins;
1149		1626
1150	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1154		1637
1155	utf8::decode $login;	1638	utf8::decode $login;
1156	push @logins, $login;	1639	push @logins, $login;
1157	}	1640	}
1158		1641
…		…
1185	}	1668	}
1186		1669
1187	\@paths	1670	\@paths
1188	}	1671	}
1189		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1190	=item $player->ext_reply ($msgid, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1191		1678
1192	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1193		1680
1194	=cut	1681	=cut
1195		1682
1196	sub ext_reply($$%) {	1683	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1198		1685
1199	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1687	}
1203		1688
1204	=item $player->ext_event ($type, %msg)	1689	=item $player->ext_msg ($type, @msg)
1205		1690
1206	Sends an ext event to the client.	1691	Sends an ext event to the client.
1207		1692
1208	=cut	1693	=cut
1209		1694
1210	sub ext_event($$%) {	1695	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1696	my ($self, $type, @msg) = @_;
1212		1697
1213	$self->ns->ext_event ($type, %msg);	1698	$self->ns->ext_msg ($type, @msg);
1214	}	1699	}
1215		1700
1216	=head3 cf::region	1701	=head3 cf::region
1217		1702
1218	=over 4	1703	=over 4
…		…
1221		1706
1222	package cf::region;	1707	package cf::region;
1223		1708
1224	=item cf::region::find_by_path $path	1709	=item cf::region::find_by_path $path
1225		1710
1226	Tries to decuce the probable region for a map knowing only its path.	1711	Tries to decuce the likely region for a map knowing only its path.
1227		1712
1228	=cut	1713	=cut
1229		1714
1230	sub find_by_path($) {	1715	sub find_by_path($) {
1231	my ($path) = @_;	1716	my ($path) = @_;
1232		1717
1233	my ($match, $specificity);	1718	my ($match, $specificity);
1234		1719
1235	for my $region (list) {	1720	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1721	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1722	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1723	if $region->specificity > $specificity;
1239	}	1724	}
1240	}	1725	}
1241		1726
…		…
1262	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1264		1749
1265	sub generate_random_map {	1750	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1267	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1756	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1362	return $self;	1850	return $self;
1363	}	1851	}
1364	}	1852	}
1365		1853
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1855	()
1368	}	1856	}
1369		1857
1370	sub init {	1858	sub init {
1371	my ($self) = @_;	1859	my ($self) = @_;
…		…
1393		1881
1394	# the temporary/swap location	1882	# the temporary/swap location
1395	sub save_path {	1883	sub save_path {
1396	my ($self) = @_;	1884	my ($self) = @_;
1397		1885
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1400	}	1888	}
1401		1889
1402	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1403	sub uniq_path {	1891	sub uniq_path {
1404	my ($self) = @_;	1892	my ($self) = @_;
1405		1893
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1896	}
1418		1897
1419	sub decay_objects {	1898	sub decay_objects {
1420	my ($self) = @_;	1899	my ($self) = @_;
1421		1900
…		…
1434		1913
1435	sub load_header_from($) {	1914	sub load_header_from($) {
1436	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1437		1916
1438	utf8::encode $path;	1917	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1919	or return;
		1920
		1921	$self->_load_header ($f)
		1922	or return;
		1923
		1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
1444		1926
1445	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1446		1928
1447	1	1929	1
1448	}	1930	}
…		…
1502	sub find {	1984	sub find {
1503	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1504		1986
1505	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1506		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1508		1991
1509	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1512	or return;	1994	or return;
1513		1995
1514	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1515		1997
…		…
1517	or return;	1999	or return;
1518		2000
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1522	$map->reset;	2006	$map->reset;
1523	undef $guard;
1524	return find $path;	2007	return find $path;
1525	}	2008	}
1526		2009
1527	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1528	}	2011	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1538		2021
1539	my $path = $self->{path};	2022	my $path = $self->{path};
1540		2023
1541	{	2024	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1543		2026
		2027	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2029
1546	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1547		2031
1548	$self->alloc;	2032	$self->alloc;
1549		2033
1550	$self->pre_load;	2034	$self->pre_load;
1551	Coro::cede;	2035	cf::cede_to_tick;
1552		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2039	$self->_load_objects ($f)
1554	or return;	2040	or return;
1555		2041
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1557	if delete $self->{load_original};	2043	if delete $self->{load_original};
1558		2044
1559	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2046	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2049	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1564	}	2053	}
1565	}	2054	}
1566		2055
1567	Coro::cede;	2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1568	# now do the right thing for maps	2059	# now do the right thing for maps
1569	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2062	unless $self->difficulty;
1572	Coro::cede;	2063	cf::cede_to_tick;
1573		2064
1574	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2066	$self->decay_objects;
1576	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1577	$self->update_buttons;	2068	$self->update_buttons;
1578	Coro::cede;	2069	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2070	$self->activate;
1582	}	2071	}
1583		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2077	}
1586		2078
1587	$self->post_load;	2079	$self->post_load;
1588	}	2080	}
1589		2081
…		…
1598		2090
1599	$self	2091	$self
1600	}	2092	}
1601		2093
1602	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2095	sub load_neighbours {
1604	my ($map) = @_;	2096	my ($map) = @_;
1605		2097
1606	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1607		2099
1608	for (0 .. 3) {	2100	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1610	or next;	2102	or next;
1611	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1612	or next;	2104	or next;
1613	$neigh->load;	2105	$neigh->load;
1614		2106
		2107	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2110	}
1618		2111
1619	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1621	or next;	2115	or next;
1622	$neigh->load;	2116	$neigh->load;
1623	}	2117	}
1624	}	2118	}
1625		2119
…		…
1630	}	2124	}
1631		2125
1632	sub do_load_sync {	2126	sub do_load_sync {
1633	my ($map) = @_;	2127	my ($map) = @_;
1634		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1635	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1636	}	2133	}
1637		2134
1638	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1640		2137
1641	sub find_async {	2138	sub find_async {
1642	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1643		2140
1644	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1645		2142
1646	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2145	}
1649		2146
1650	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1651	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1652	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2154	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2155	$map->load if $v;
		2156	}
1657		2157
1658	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1659	}	2159	}
1660	}	2160	}
1661	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1662	};	2162	};
1663	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2166	}
1667		2167
1668	sub save {	2168	sub save {
1669	my ($self) = @_;	2169	my ($self) = @_;
1670		2170
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2172
1673	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1674		2174
1675	return unless $self->dirty;	2175	return unless $self->dirty;
1676		2176
…		…
1682	return if $self->{deny_save};	2182	return if $self->{deny_save};
1683		2183
1684	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1685		2185
1686	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1688	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1689		2192
1690	if ($uniq) {	2193	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2196	} else {
…		…
1699	my ($self) = @_;	2202	my ($self) = @_;
1700		2203
1701	# save first because save cedes	2204	# save first because save cedes
1702	$self->save;	2205	$self->save;
1703		2206
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2208
1706	return if $self->players;	2209	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2211	return if $self->{deny_save};
1709		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2217	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2218	}
1713		2219
1714	sub reset_at {	2220	sub reset_at {
1715	my ($self) = @_;	2221	my ($self) = @_;
1716		2222
…		…
1734		2240
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2242
1737	return if $self->players;	2243	return if $self->players;
1738		2244
1739	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
1740		2246
1741	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1742		2248
1743	# need to save uniques path	2249	# need to save uniques path
1744	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2254	if $uniq;
1749	}	2255	}
1750		2256
1751	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1752		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2261	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2262
1757	$self->unlink_save;	2263	$self->unlink_save;
1758	$self->destroy;	2264	$self->destroy;
1759	}	2265	}
1760		2266
1761	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1762		2268
1763	sub nuke {	2269	sub nuke {
1764	my ($self) = @_;	2270	my ($self) = @_;
1765		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1766	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1767		2276
1768	$self->unlink_save;	2277	$self->unlink_save;
1769		2278
1770	bless $self, "cf::map";	2279	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2284
1776	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1777		2287
1778	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1779	}	2289	}
1780		2290
1781	=item $maps = cf::map::tmp_maps	2291	=item $maps = cf::map::tmp_maps
…		…
1823		2333
1824	sub unique_maps() {	2334	sub unique_maps() {
1825	[	2335	[
1826	map {	2336	map {
1827	utf8::decode $_;	2337	utf8::decode $_;
1828	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
1829	? normalise $_	2341	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2343	]
1833	}	2344	}
1834		2345
1835	package cf;
1836
1837	=back	2346	=back
1838		2347
1839	=head3 cf::object	2348	=head3 cf::object
1840		2349
1841	=cut	2350	=cut
…		…
1844		2353
1845	=over 4	2354	=over 4
1846		2355
1847	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1848		2357
1849	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1850		2360
1851	=cut	2361	=cut
1852		2362
1853	sub inv_recursive_;	2363	sub inv_recursive_;
1854	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1857		2367
1858	sub inv_recursive {	2368	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1860	}	2370	}
1861		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1862	package cf;	2400	package cf;
1863		2401
1864	=back	2402	=back
1865		2403
1866	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1872	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1873	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1874	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1875		2413
1876	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1877		2429
1878	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2431	# with dialog boxes.
1880	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1881	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1883		2435
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2437
1886	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1888	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1891	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1892	}	2463	}
1893		2464
1894	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1895		2466
1896	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1909		2480
1910	=item $player_object->enter_link	2481	=item $player_object->enter_link
1911		2482
1912	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1913		2484
1914	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1915	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
1916		2489
1917	Will never block.	2490	Will never block.
1918		2491
1919	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1920		2493
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1978		2551
1979	$map->load;	2552	$map->load;
1980	$map->load_diag;	2553	$map->load_neighbours;
1981		2554
1982	return unless $self->contr->active;	2555	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2556
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1987	}
1988		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
		2562	}
		2563
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2565
1991	Moves the player to the given map-path and coordinates by first freezing	2566	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2568	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2569	the new (success) or old (failed) map position. In either case, $done will
		2570	be called at the end of this process.
		2571
		2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
1995		2574
1996	=cut	2575	=cut
1997		2576
1998	our $GOTOGEN;	2577	our $GOTOGEN;
1999		2578
2000	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2581
2003	# do generation counting so two concurrent goto's will be executed in-order	2582	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2584
2006	$self->enter_link;	2585	$self->enter_link;
2007		2586
2008	(async {	2587	(async {
		2588	$Coro::current->{desc} = "player::goto $path $x $y";
		2589
		2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
2009	my $map = eval {	2609	my $map = eval {
2010	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
2011		2611
2012	if ($map) {	2612	if ($map) {
2013	$map = $map->customise_for ($self);	2613	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2614	$map = $check->($map) if $check && $map;
2015	} else {	2615	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2617	}
2018		2618
2019	$map	2619	$map
2020	};	2620	};
2021		2621
…		…
2026		2626
2027	if ($gen == $self->{_goto_generation}) {	2627	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2628	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
2030	}	2630	}
		2631
		2632	$done->() if $done;
2031	})->prio (1);	2633	})->prio (1);
2032	}	2634	}
2033		2635
2034	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
2035		2637
…		…
2055	}	2657	}
2056		2658
2057	sub prepare_random_map {	2659	sub prepare_random_map {
2058	my ($exit) = @_;	2660	my ($exit) = @_;
2059		2661
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2664	# that depends on the exit object
2065		2665
2066	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2668	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2073	}	2675	}
2074		2676
2075	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2076		2678
2077	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2080		2682
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2685	undef $fh;
2084	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2085		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2088	}	2694	}
2089	}	2695	}
2090		2696
2091	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2093		2699
2094	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2095		2701
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2702	$self->enter_link;
2108		2703
2109	(async {	2704	(async {
2110	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
2111	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
2112	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2113		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
2114	1;	2728	1
2115	}) {	2729	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
2118	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2734
2121	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2140		2754
2141	utf8::encode $text;	2755	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2757	}
2144		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/identify" => {
		2771	id => "infobox",
		2772	title => "Identify",
		2773	reply => undef,
		2774	tooltip => "Items recently identified",
		2775	},
		2776	"c/examine" => {
		2777	id => "infobox",
		2778	title => "Examine",
		2779	reply => undef,
		2780	tooltip => "Signs and other items you examined",
		2781	},
		2782	"c/book" => {
		2783	id => "infobox",
		2784	title => "Book",
		2785	reply => undef,
		2786	tooltip => "The contents of a note or book",
		2787	},
		2788	"c/lookat" => {
		2789	id => "infobox",
		2790	title => "Look",
		2791	reply => undef,
		2792	tooltip => "What you saw there",
		2793	},
		2794	"c/who" => {
		2795	id => "infobox",
		2796	title => "Players",
		2797	reply => undef,
		2798	tooltip => "Shows players who are currently online",
		2799	},
		2800	"c/body" => {
		2801	id => "infobox",
		2802	title => "Body Parts",
		2803	reply => undef,
		2804	tooltip => "Shows which body parts you posess and are available",
		2805	},
		2806	"c/statistics" => {
		2807	id => "infobox",
		2808	title => "Statistics",
		2809	reply => undef,
		2810	tooltip => "Shows your primary statistics",
		2811	},
		2812	"c/skills" => {
		2813	id => "infobox",
		2814	title => "Skills",
		2815	reply => undef,
		2816	tooltip => "Shows your experience per skill and item power",
		2817	},
		2818	"c/shopitems" => {
		2819	id => "infobox",
		2820	title => "Shop Items",
		2821	reply => undef,
		2822	tooltip => "Shows the items currently for sale in this shop",
		2823	},
		2824	"c/resistances" => {
		2825	id => "infobox",
		2826	title => "Resistances",
		2827	reply => undef,
		2828	tooltip => "Shows your resistances",
		2829	},
		2830	"c/pets" => {
		2831	id => "infobox",
		2832	title => "Pets",
		2833	reply => undef,
		2834	tooltip => "Shows information abotu your pets/a specific pet",
		2835	},
		2836	"c/perceiveself" => {
		2837	id => "infobox",
		2838	title => "Perceive Self",
		2839	reply => undef,
		2840	tooltip => "You gained detailed knowledge about yourself",
		2841	},
		2842	"c/uptime" => {
		2843	id => "infobox",
		2844	title => "Uptime",
		2845	reply => undef,
		2846	tooltip => "How long the server has been running since last restart",
		2847	},
		2848	"c/mapinfo" => {
		2849	id => "infobox",
		2850	title => "Map Info",
		2851	reply => undef,
		2852	tooltip => "Information related to the maps",
		2853	},
		2854	"c/party" => {
		2855	id => "party",
		2856	title => "Party",
		2857	reply => "gsay ",
		2858	tooltip => "Messages and chat related to your party",
		2859	},
		2860	"c/death" => {
		2861	id => "death",
		2862	title => "Death",
		2863	reply => undef,
		2864	tooltip => "Reason for and more info about your most recent death",
		2865	},
		2866	"c/say" => $SAY_CHANNEL,
		2867	"c/chat" => $CHAT_CHANNEL,
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg)
		2874	unless $color & cf::NDI_VERBATIM;
		2875
		2876	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2877
		2878	# check predefined channels, for the benefit of C
		2879	if ($CHANNEL{$channel}) {
		2880	$channel = $CHANNEL{$channel};
		2881
		2882	$self->ext_msg (channel_info => $channel);
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel);
		2890	}
		2891
		2892	$channel = $channel->{id};
		2893	}
		2894
		2895	return unless @extra || length $msg;
		2896
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	my $pkt = "msg "
		2902	. $self->{json_coder}->encode (
		2903	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2904	);
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if (8192 < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
2145	=item $client->ext_event ($type, %msg)	2919	=item $client->ext_msg ($type, @msg)
2146		2920
2147	Sends an exti event to the client.	2921	Sends an ext event to the client.
2148		2922
2149	=cut	2923	=cut
2150		2924
2151	sub cf::client::ext_event($$%) {	2925	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2926	my ($self, $type, @msg) = @_;
2153		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2930	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2931	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
		2935
		2936	=item $client->ext_reply ($msgid, @msg)
		2937
		2938	Sends an ext reply to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_reply($$@) {
		2943	my ($self, $id, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2947	} elsif ($self->extcmd == 1) {
		2948	#TODO: version 1, remove
		2949	unshift @msg, msgtype => "reply", msgid => $id;
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
2156	}	2952	}
2157		2953
2158	=item $success = $client->query ($flags, "text", \&cb)	2954	=item $success = $client->query ($flags, "text", \&cb)
2159		2955
2160	Queues a query to the client, calling the given callback with	2956	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2957	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2958	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2959
2164	Queries can fail, so check the return code. Or don't, as queries will become	2960	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2961	become reliable at some point in the future.
2166		2962
2167	=cut	2963	=cut
2168		2964
2169	sub cf::client::query {	2965	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2966	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2974	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2975	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2976
2181	$self->send_packet ($self->{query_queue}[0][0])	2977	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2978	if @{ $self->{query_queue} } == 1;
		2979
		2980	1
2183	}	2981	}
2184		2982
2185	cf::client->attach (	2983	cf::client->attach (
		2984	on_connect => sub {
		2985	my ($ns) = @_;
		2986
		2987	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2988	},
2186	on_reply => sub {	2989	on_reply => sub {
2187	my ($ns, $msg) = @_;	2990	my ($ns, $msg) = @_;
2188		2991
2189	# this weird shuffling is so that direct followup queries	2992	# this weird shuffling is so that direct followup queries
2190	# get handled first	2993	# get handled first
…		…
2202	} else {	3005	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3006	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3007	}
2205	}	3008	}
2206	},	3009	},
		3010	on_exticmd => sub {
		3011	my ($ns, $buf) = @_;
		3012
		3013	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3014
		3015	if (ref $msg) {
		3016	my ($type, $reply, @payload) =
		3017	"ARRAY" eq ref $msg
		3018	? @$msg
		3019	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3020
		3021	my @reply;
		3022
		3023	if (my $cb = $EXTICMD{$type}) {
		3024	@reply = $cb->($ns, @payload);
		3025	}
		3026
		3027	$ns->ext_reply ($reply, @reply)
		3028	if $reply;
		3029
		3030	} else {
		3031	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3032	}
		3033
		3034	cf::override;
		3035	},
2207	);	3036	);
2208		3037
2209	=item $client->async (\&cb)	3038	=item $client->async (\&cb)
2210		3039
2211	Create a new coroutine, running the specified callback. The coroutine will	3040	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3081	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3082	our $safe_hole = new Safe::Hole;
2254		3083
2255	$SIG{FPE} = 'IGNORE';	3084	$SIG{FPE} = 'IGNORE';
2256		3085
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3086	$safe->permit_only (Opcode::opset qw(
		3087	:base_core :base_mem :base_orig :base_math
		3088	grepstart grepwhile mapstart mapwhile
		3089	sort time
		3090	));
2258		3091
2259	# here we export the classes and methods available to script code	3092	# here we export the classes and methods available to script code
2260		3093
2261	=pod	3094	=pod
2262		3095
2263	The following functions and methods are available within a safe environment:	3096	The following functions and methods are available within a safe environment:
2264		3097
2265	cf::object contr pay_amount pay_player map	3098	cf::object
		3099	contr pay_amount pay_player map x y force_find force_add destroy
		3100	insert remove name archname title slaying race decrease split
		3101	value
		3102
2266	cf::object::player player	3103	cf::object::player
2267	cf::player peaceful	3104	player
2268	cf::map trigger	3105
		3106	cf::player
		3107	peaceful
		3108
		3109	cf::map
		3110	trigger
2269		3111
2270	=cut	3112	=cut
2271		3113
2272	for (	3114	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3115	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3116	insert remove inv nrof name archname title slaying race
		3117	decrease split destroy change_exp value msg lore send_msg)],
2274	["cf::object::player" => qw(player)],	3118	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3119	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3120	["cf::map" => qw(trigger)],
2277	) {	3121	) {
2278	no strict 'refs';	3122	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3123	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2297	my ($code, %vars) = @_;	3141	my ($code, %vars) = @_;
2298		3142
2299	my $qcode = $code;	3143	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3144	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3145	$qcode =~ s/\n/\\n/g;
		3146
		3147	%vars = (_dummy => 0) unless %vars;
2302		3148
2303	local $_;	3149	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;	3150	local @safe::cf::_safe_eval_args = values %vars;
2305		3151
2306	my $eval =	3152	my $eval =
…		…
2349	=back	3195	=back
2350		3196
2351	=cut	3197	=cut
2352		3198
2353	#############################################################################	3199	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3200	# the server's init and main functions
2527		3201
2528	sub load_facedata($) {	3202	sub load_facedata($) {
2529	my ($path) = @_;	3203	my ($path) = @_;
		3204
		3205	# HACK to clear player env face cache, we need some signal framework
		3206	# for this (global event?)
		3207	%ext::player_env::MUSIC_FACE_CACHE = ();
		3208
		3209	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3210
2531	warn "loading facedata from $path\n";	3211	warn "loading facedata from $path\n";
2532		3212
2533	my $facedata;	3213	my $facedata;
2534	0 < aio_load $path, $facedata	3214	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3217	$facedata = Coro::Storable::thaw $facedata;
2538		3218
2539	$facedata->{version} == 2	3219	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3220	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3221
		3222	# patch in the exptable
		3223	$facedata->{resource}{"res/exp_table"} = {
		3224	type => FT_RSRC,
		3225	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3226	};
		3227	cf::cede_to_tick;
		3228
2542	{	3229	{
2543	my $faces = $facedata->{faceinfo};	3230	my $faces = $facedata->{faceinfo};
2544		3231
2545	while (my ($face, $info) = each %$faces) {	3232	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3233	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3234
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3235	cf::face::set_visibility $idx, $info->{visibility};
		3236	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3237	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3238	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3239
		3240	cf::cede_to_tick;
2551	}	3241	}
2552		3242
2553	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3244	next unless $info->{smooth};
		3245
2555	my $idx = cf::face::find $face	3246	my $idx = cf::face::find $face
2556	or next;	3247	or next;
		3248
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3249	if (my $smooth = cf::face::find $info->{smooth}) {
		3250	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3251	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3252	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3253	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3254	}
2562	Coro::cede;	3255
		3256	cf::cede_to_tick;
2563	}	3257	}
2564	}	3258	}
2565		3259
2566	{	3260	{
2567	my $anims = $facedata->{animinfo};	3261	my $anims = $facedata->{animinfo};
2568		3262
2569	while (my ($anim, $info) = each %$anims) {	3263	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3264	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3265	cf::cede_to_tick;
2572	}	3266	}
2573		3267
2574	cf::anim::invalidate_all; # d'oh	3268	cf::anim::invalidate_all; # d'oh
2575	}	3269	}
2576		3270
		3271	{
		3272	# TODO: for gcfclient pleasure, we should give resources
		3273	# that gcfclient doesn't grok a >10000 face index.
		3274	my $res = $facedata->{resource};
		3275
		3276	while (my ($name, $info) = each %$res) {
		3277	if (defined $info->{type}) {
		3278	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3279	my $data;
		3280
		3281	if ($info->{type} & 1) {
		3282	# prepend meta info
		3283
		3284	my $meta = $enc->encode ({
		3285	name => $name,
		3286	%{ $info->{meta} || {} },
		3287	});
		3288
		3289	$data = pack "(w/a*)*", $meta, $info->{data};
		3290	} else {
		3291	$data = $info->{data};
		3292	}
		3293
		3294	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3295	cf::face::set_type $idx, $info->{type};
		3296	} else {
		3297	$RESOURCE{$name} = $info;
		3298	}
		3299
		3300	cf::cede_to_tick;
		3301	}
		3302	}
		3303
		3304	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3305
2577	1	3306	1
2578	}	3307	}
2579		3308
		3309	cf::global->attach (on_resource_update => sub {
		3310	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3311	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3312
		3313	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3314	my $sound = $soundconf->{compat}[$_]
		3315	or next;
		3316
		3317	my $face = cf::face::find "sound/$sound->[1]";
		3318	cf::sound::set $sound->[0] => $face;
		3319	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3320	}
		3321
		3322	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3323	my $face = cf::face::find "sound/$v";
		3324	cf::sound::set $k => $face;
		3325	}
		3326	}
		3327	});
		3328
		3329	register_exticmd fx_want => sub {
		3330	my ($ns, $want) = @_;
		3331
		3332	while (my ($k, $v) = each %$want) {
		3333	$ns->fx_want ($k, $v);
		3334	}
		3335	};
		3336
		3337	sub load_resource_file($) {
		3338	my $guard = lock_acquire "load_resource_file";
		3339
		3340	my $status = load_resource_file_ $_[0];
		3341	get_slot 0.1, 100;
		3342	cf::arch::commit_load;
		3343
		3344	$status
		3345	}
		3346
2580	sub reload_regions {	3347	sub reload_regions {
		3348	# HACK to clear player env face cache, we need some signal framework
		3349	# for this (global event?)
		3350	%ext::player_env::MUSIC_FACE_CACHE = ();
		3351
2581	load_resource_file "$MAPDIR/regions"	3352	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3353	or die "unable to load regions file\n";
		3354
		3355	for (cf::region::list) {
		3356	$_->{match} = qr/$_->{match}/
		3357	if exists $_->{match};
		3358	}
2583	}	3359	}
2584		3360
2585	sub reload_facedata {	3361	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3362	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3363	or die "unable to load facedata\n";
…		…
2598	}	3374	}
2599		3375
2600	sub reload_resources {	3376	sub reload_resources {
2601	warn "reloading resource files...\n";	3377	warn "reloading resource files...\n";
2602		3378
		3379	reload_facedata;
		3380	reload_archetypes;
2603	reload_regions;	3381	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3382	reload_treasures;
2608		3383
2609	warn "finished reloading resource files\n";	3384	warn "finished reloading resource files\n";
2610	}	3385	}
2611		3386
2612	sub init {	3387	sub reload_config {
2613	reload_resources;
2614	}
2615
2616	sub cfg_load {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3388	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3389	or return;
2619		3390
2620	local $/;	3391	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3392	*CFG = YAML::XS::Load <$fh>;
2622		3393
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3394	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3395
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3396	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3397	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2632	};	3403	};
2633	warn $@ if $@;	3404	warn $@ if $@;
2634	}	3405	}
2635	}	3406	}
2636		3407
		3408	sub pidfile() {
		3409	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3410	or die "$PIDFILE: $!";
		3411	flock $fh, &Fcntl::LOCK_EX
		3412	or die "$PIDFILE: flock: $!";
		3413	$fh
		3414	}
		3415
		3416	# make sure only one server instance is running at any one time
		3417	sub atomic {
		3418	my $fh = pidfile;
		3419
		3420	my $pid = <$fh>;
		3421	kill 9, $pid if $pid > 0;
		3422
		3423	seek $fh, 0, 0;
		3424	print $fh $$;
		3425	}
		3426
		3427	sub main_loop {
		3428	warn "EV::loop starting\n";
		3429	if (1) {
		3430	EV::loop;
		3431	}
		3432	warn "EV::loop returned\n";
		3433	goto &main_loop unless $REALLY_UNLOOP;
		3434	}
		3435
2637	sub main {	3436	sub main {
		3437	cf::init_globals; # initialise logging
		3438
		3439	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3440	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3441	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3442	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3443
		3444	cf::init_experience;
		3445	cf::init_anim;
		3446	cf::init_attackmess;
		3447	cf::init_dynamic;
		3448
		3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450
2638	# we must not ever block the main coroutine	3451	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3452	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3453	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3454	(async {
2642	Event::one_event;	3455	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3456	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3457	})->prio (Coro::PRIO_MAX);
2644	};	3458	};
2645		3459
2646	cfg_load;	3460	evthread_start IO::AIO::poll_fileno;
		3461
		3462	cf::sync_job {
		3463	reload_resources;
		3464	reload_config;
2647	db_init;	3465	db_init;
		3466
		3467	cf::load_settings;
		3468	cf::load_materials;
		3469	cf::init_uuid;
		3470	cf::init_signals;
		3471	cf::init_commands;
		3472	cf::init_skills;
		3473
		3474	cf::init_beforeplay;
		3475
		3476	atomic;
		3477
2648	load_extensions;	3478	load_extensions;
2649		3479
2650	$TICK_WATCHER->start;	3480	utime time, time, $RUNTIMEFILE;
2651	Event::loop;	3481
		3482	# no (long-running) fork's whatsoever before this point(!)
		3483	use POSIX ();
		3484	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3485
		3486	(pop @POST_INIT)->(0) while @POST_INIT;
		3487	};
		3488
		3489	main_loop;
2652	}	3490	}
2653		3491
2654	#############################################################################	3492	#############################################################################
2655	# initialisation and cleanup	3493	# initialisation and cleanup
2656		3494
2657	# install some emergency cleanup handlers	3495	# install some emergency cleanup handlers
2658	BEGIN {	3496	BEGIN {
		3497	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3498	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3499	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3500	cf::cleanup "SIG$signal";
2667	},
2668	);	3501	};
		3502	}
		3503	}
		3504
		3505	sub write_runtime_sync {
		3506	# first touch the runtime file to show we are still running:
		3507	# the fsync below can take a very very long time.
		3508
		3509	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3510
		3511	my $guard = cf::lock_acquire "write_runtime";
		3512
		3513	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3514	or return;
		3515
		3516	my $value = $cf::RUNTIME + 90 + 10;
		3517	# 10 is the runtime save interval, for a monotonic clock
		3518	# 60 allows for the watchdog to kill the server.
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	# touch it again to show we are up-to-date
		3528	aio_utime $fh, undef, undef;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3534	and return;
		3535
		3536	warn "runtime file written.\n";
		3537
2669	}	3538	1
		3539	}
		3540
		3541	our $uuid_lock;
		3542	our $uuid_skip;
		3543
		3544	sub write_uuid_sync($) {
		3545	$uuid_skip ||= $_[0];
		3546
		3547	return if $uuid_lock;
		3548	local $uuid_lock = 1;
		3549
		3550	my $uuid = "$LOCALDIR/uuid";
		3551
		3552	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3553	or return;
		3554
		3555	my $value = uuid_seq uuid_cur;
		3556
		3557	unless ($value) {
		3558	warn "cowardly refusing to write zero uuid value!\n";
		3559	return;
		3560	}
		3561
		3562	my $value = uuid_str $value + $uuid_skip;
		3563	$uuid_skip = 0;
		3564
		3565	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3566	and return;
		3567
		3568	# always fsync - this file is important
		3569	aio_fsync $fh
		3570	and return;
		3571
		3572	close $fh
		3573	or return;
		3574
		3575	aio_rename "$uuid~", $uuid
		3576	and return;
		3577
		3578	warn "uuid file written ($value).\n";
		3579
		3580	1
		3581
		3582	}
		3583
		3584	sub write_uuid($$) {
		3585	my ($skip, $sync) = @_;
		3586
		3587	$sync ? write_uuid_sync $skip
		3588	: async { write_uuid_sync $skip };
2670	}	3589	}
2671		3590
2672	sub emergency_save() {	3591	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3592	my $freeze_guard = cf::freeze_mainloop;
2674		3593
2675	warn "enter emergency perl save\n";	3594	warn "emergency_perl_save: enter\n";
2676		3595
2677	cf::sync_job {	3596	cf::sync_job {
		3597	# this is a trade-off: we want to be very quick here, so
		3598	# save all maps without fsync, and later call a global sync
		3599	# (which in turn might be very very slow)
		3600	local $USE_FSYNC = 0;
		3601
2678	# use a peculiar iteration method to avoid tripping on perl	3602	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3603	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3604	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3605	warn "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3606	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3607	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3608	$pl->valid or next;
		3609	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3610	$pl->save;
2686	}	3611	}
2687	warn "end emergency player save\n";	3612	warn "emergency_perl_save: end player save\n";
2688		3613
2689	warn "begin emergency map save\n";	3614	warn "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3615	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3616	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3617	$map->valid or next;
2693	$map->save;	3618	$map->save;
2694	}	3619	}
2695	warn "end emergency map save\n";	3620	warn "emergency_perl_save: end map save\n";
2696		3621
2697	warn "begin emergency database checkpoint\n";	3622	warn "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3623	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3624	warn "emergency_perl_save: end database checkpoint\n";
		3625
		3626	warn "emergency_perl_save: begin write uuid\n";
		3627	write_uuid_sync 1;
		3628	warn "emergency_perl_save: end write uuid\n";
2700	};	3629	};
2701		3630
		3631	warn "emergency_perl_save: starting sync()\n";
		3632	IO::AIO::aio_sync sub {
		3633	warn "emergency_perl_save: finished sync()\n";
		3634	};
		3635
2702	warn "leave emergency perl save\n";	3636	warn "emergency_perl_save: leave\n";
2703	}	3637	}
2704		3638
2705	sub post_cleanup {	3639	sub post_cleanup {
2706	my ($make_core) = @_;	3640	my ($make_core) = @_;
2707		3641
2708	warn Carp::longmess "post_cleanup backtrace"	3642	warn Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3643	if $make_core;
		3644
		3645	my $fh = pidfile;
		3646	unlink $PIDFILE if <$fh> == $$;
		3647	}
		3648
		3649	# a safer delete_package, copied from Symbol
		3650	sub clear_package($) {
		3651	my $pkg = shift;
		3652
		3653	# expand to full symbol table name if needed
		3654	unless ($pkg =~ /^main::.*::$/) {
		3655	$pkg = "main$pkg" if $pkg =~ /^::/;
		3656	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3657	$pkg .= '::' unless $pkg =~ /::$/;
		3658	}
		3659
		3660	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3661	my $stem_symtab = *{$stem}{HASH};
		3662
		3663	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3664	or return;
		3665
		3666	# clear all symbols
		3667	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3668	for my $name (keys %$leaf_symtab) {
		3669	_gv_clear *{"$pkg$name"};
		3670	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3671	}
		3672	warn "cleared package $pkg\n";#d#
2710	}	3673	}
2711		3674
2712	sub do_reload_perl() {	3675	sub do_reload_perl() {
2713	# can/must only be called in main	3676	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3677	if ($Coro::current != $Coro::main) {
2715	warn "can only reload from main coroutine";	3678	warn "can only reload from main coroutine";
2716	return;	3679	return;
2717	}	3680	}
2718		3681
		3682	return if $RELOAD++;
		3683
		3684	my $t1 = EV::time;
		3685
		3686	while ($RELOAD) {
2719	warn "reloading...";	3687	warn "reloading...";
2720		3688
2721	warn "entering sync_job";	3689	warn "entering sync_job";
2722		3690
2723	cf::sync_job {	3691	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark	3692	cf::write_runtime_sync; # external watchdog should not bark
2725	cf::emergency_save;	3693	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark	3694	cf::write_runtime_sync; # external watchdog should not bark
2727		3695
2728	warn "syncing database to disk";	3696	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3698
2731	# if anything goes wrong in here, we should simply crash as we already saved	3699	# if anything goes wrong in here, we should simply crash as we already saved
2732		3700
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3701	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3702	while (IO::AIO::nreqs || BDB::nreqs) {
2744	warn "iterate...";	3703	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();
2752
2753	warn "removing commands";
2754	%COMMAND = ();
2755
2756	warn "removing ext commands";
2757	%EXTCMD = ();
2758
2759	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";
2762
2763	if (my $cb = $pkg->can ("unload")) {
2764	eval {
2765	$cb->($pkg);
2766	1
2767	} or warn "$pkg unloaded, but with errors: $@";
2768	}	3704	}
2769		3705
2770	warn "... nuking $pkg";	3706	warn "cancelling all extension coros";
2771	Symbol::delete_package $pkg;	3707	$_->cancel for values %EXT_CORO;
2772	}	3708	%EXT_CORO = ();
2773		3709
2774	warn "unloading all perl modules loaded from $LIBDIR";	3710	warn "removing commands";
2775	while (my ($k, $v) = each %INC) {	3711	%COMMAND = ();
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3712
		3713	warn "removing ext/exti commands";
		3714	%EXTCMD = ();
		3715	%EXTICMD = ();
		3716
		3717	warn "unloading/nuking all extensions";
		3718	for my $pkg (@EXTS) {
2778	warn "... unloading $k";	3719	warn "... unloading $pkg";
2779	delete $INC{$k};
2780		3720
2781	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;
2783
2784	if (my $cb = $k->can ("unload_module")) {	3721	if (my $cb = $pkg->can ("unload")) {
		3722	eval {
2785	$cb->();	3723	$cb->($pkg);
		3724	1
		3725	} or warn "$pkg unloaded, but with errors: $@";
		3726	}
		3727
		3728	warn "... clearing $pkg";
		3729	clear_package $pkg;
2786	}	3730	}
2787		3731
2788	Symbol::delete_package $k;	3732	warn "unloading all perl modules loaded from $LIBDIR";
		3733	while (my ($k, $v) = each %INC) {
		3734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3735
		3736	warn "... unloading $k";
		3737	delete $INC{$k};
		3738
		3739	$k =~ s/\.pm$//;
		3740	$k =~ s/\//::/g;
		3741
		3742	if (my $cb = $k->can ("unload_module")) {
		3743	$cb->();
		3744	}
		3745
		3746	clear_package $k;
2789	}	3747	}
2790		3748
2791	warn "getting rid of safe::, as good as possible";	3749	warn "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3750	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3752
2795	warn "unloading cf.pm \"a bit\"";	3753	warn "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3754	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3755	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		3756
2799	# don't, removes xs symbols, too,	3757	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3758	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3759	#clear_package __PACKAGE__;
2802		3760
2803	warn "unload completed, starting to reload now";	3761	warn "unload completed, starting to reload now";
2804		3762
2805	warn "reloading cf.pm";	3763	warn "reloading cf.pm";
2806	require cf;	3764	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3765	cf::_connect_to_perl_1;
2808		3766
2809	warn "loading config and database again";	3767	warn "loading config and database again";
2810	cf::cfg_load;	3768	cf::reload_config;
2811		3769
2812	warn "loading extensions";	3770	warn "loading extensions";
2813	cf::load_extensions;	3771	cf::load_extensions;
2814		3772
		3773	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3774	warn "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3775	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3776	warn "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3777	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3778	warn "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3779	reattach $_ for values %PLAYER;
		3780	}
2821		3781
		3782	warn "running post_init jobs";
		3783	(pop @POST_INIT)->(1) while @POST_INIT;
		3784
2822	warn "leaving sync_job";	3785	warn "leaving sync_job";
2823		3786
2824	1	3787	1
2825	} or do {	3788	} or do {
2826	warn $@;	3789	warn $@;
2827	warn "error while reloading, exiting.";	3790	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3791	};
2830		3792
2831	warn "reloaded";	3793	warn "reloaded";
		3794	--$RELOAD;
		3795	}
		3796
		3797	$t1 = EV::time - $t1;
		3798	warn "reload completed in ${t1}s\n";
2832	};	3799	};
2833		3800
2834	our $RELOAD_WATCHER; # used only during reload	3801	our $RELOAD_WATCHER; # used only during reload
2835		3802
2836	sub reload_perl() {	3803	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3804	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3805	# coro crashes during coro_state_free->destroy here.
2839		3806
2840	$RELOAD_WATCHER ||= Event->timer (	3807	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	3808	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	3809
2843	data => WF_AUTOCANCEL,	3810	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	3811	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3812	undef $RELOAD_WATCHER;
2847	},	3813	};
2848	);	3814	};
2849	}	3815	}
2850		3816
2851	register_command "reload" => sub {	3817	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3818	my ($who, $arg) = @_;
2853		3819
2854	if ($who->flag (FLAG_WIZ)) {	3820	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3821	$who->message ("reloading server.");
		3822	async {
		3823	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3824	reload_perl;
		3825	};
2857	}	3826	}
2858	};	3827	};
2859		3828
2860	unshift @INC, $LIBDIR;	3829	unshift @INC, $LIBDIR;
2861		3830
…		…
2863		3832
2864	our @WAIT_FOR_TICK;	3833	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	3834	our @WAIT_FOR_TICK_BEGIN;
2866		3835
2867	sub wait_for_tick {	3836	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	3837	return if tick_inhibit || $Coro::current == $Coro::main;
2870		3838
2871	my $signal = new Coro::Signal;	3839	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	3840	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	3841	$signal->wait;
2874	}	3842	}
2875		3843
2876	sub wait_for_tick_begin {	3844	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	3845	return if tick_inhibit || $Coro::current == $Coro::main;
2879		3846
2880	my $signal = new Coro::Signal;	3847	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3848	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3849	$signal->wait;
2883	}	3850	}
2884		3851
2885	my $min = 1e6;#d#	3852	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3853	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3855	unless ++$bug_warning > 10;
2897	return;	3856	return;
2898	}	3857	}
2899		3858
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	3859	cf::server_tick; # one server iteration
2903		3860
2904	0 && sync_job {#d#	3861	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2905	for(1..10) {	3862	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2906	my $t = Event::time;	3863	Coro::async_pool {
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3864	$Coro::current->{desc} = "runtime saver";
2908	or die;	3865	write_runtime_sync
2909		3866	or warn "ERROR: unable to write runtime file: $!";
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3867	};
		3868	}
2926		3869
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3870	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3871	$sig->send;
2943	}	3872	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3873	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3874	$sig->send;
2946	}	3875	}
2947		3876
2948	$NOW = Event::time;	3877	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3878	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3879
2959	_post_tick;	3880	if (0) {
2960		3881	if ($NEXT_TICK) {
2961		3882	my $jitter = $TICK_START - $NEXT_TICK;
		3883	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3884	warn "jitter $JITTER\n";#d#
		3885	}
2962	},	3886	}
2963	);	3887	}
2964		3888
2965	{	3889	{
2966	BDB::max_poll_time $TICK * 0.1;	3890	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3891
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3892	BDB::min_parallel 8;
2976		3893	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3894	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3895
2992	unless ($DB_ENV) {	3896	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3897	$DB_ENV = BDB::db_env_create;
		3898	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3899	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3900	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3901	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3902	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3903
2995	cf::sync_job {	3904	cf::sync_job {
2996	eval {	3905	eval {
2997	BDB::db_env_open	3906	BDB::db_env_open
2998	$DB_ENV,	3907	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3909	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3910	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3911	0666;
3003		3912
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3913	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3914	};
3009		3915
3010	cf::cleanup "db_env_open(db): $@" if $@;	3916	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3917	};
3012	}	3918	}
		3919
		3920	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3921	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3922	};
		3923	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3924	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3925	};
		3926	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3927	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3928	};
3013	}	3929	}
3014		3930
3015	{	3931	{
		3932	# configure IO::AIO
		3933
3016	IO::AIO::min_parallel 8;	3934	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3935	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	3936	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	3937	}
3029		3938
3030	my $_log_backtrace;	3939	my $_log_backtrace;
3031		3940
3032	sub _log_backtrace {	3941	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	3944	$msg =~ s/\n//;
3036		3945
3037	# limit the # of concurrent backtraces	3946	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3947	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3948	++$_log_backtrace;
		3949	my $perl_bt = Carp::longmess $msg;
3040	async {	3950	async {
		3951	$Coro::current->{desc} = "abt $msg";
		3952
3041	my @bt = fork_call {	3953	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3954	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3955	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3956	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3957	or die "addr2line: $!";
…		…
3053	}	3965	}
3054		3966
3055	@funcs	3967	@funcs
3056	};	3968	};
3057		3969
3058	LOG llevInfo, "[ABT] $msg\n";	3970	LOG llevInfo, "[ABT] $perl_bt\n";
		3971	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	3972	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	3973	--$_log_backtrace;
3061	};	3974	};
3062	} else {	3975	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	3976	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	3977	LOG llevInfo, "[ABT] [suppressed]\n";
3065	}	3978	}
3066	}	3979	}
3067		3980
3068	# load additional modules	3981	# load additional modules
3069	use cf::pod;	3982	require "cf/$_.pm" for @EXTRA_MODULES;
		3983	cf::_connect_to_perl_2;
3070		3984
3071	END { cf::emergency_save }	3985	END { cf::emergency_save }
3072		3986
3073	1	3987	1
3074		3988

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