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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 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	);
		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
947		1360
948	sub load_extensions {	1361	sub load_extensions {
949	cf::sync_job {	1362	cf::sync_job {
950	my %todo;	1363	my %todo;
951		1364
…		…
971		1384
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1387
975	$ext{source} =	1388	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
978	. $source	1391	. $source
979	. "\n};\n1";	1392	. "\n};\n1";
980		1393
981	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
997	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
998	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
999		1412
1000	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1414	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1416	}
1005		1417
1006	warn $msg;	1418	warn $msg;
1007	}	1419	}
1008		1420
…		…
1018	};	1430	};
1019	}	1431	}
1020		1432
1021	#############################################################################	1433	#############################################################################
1022		1434
		1435	=back
		1436
1023	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1024		1438
1025	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1026		1440
1027	=cut	1441	=cut
1028		1442
1029	package cf::player;	1443	package cf::player;
1030		1444
1031	use Coro::AIO;	1445	use Coro::AIO;
1032		1446
1033	=head3 cf::player	1447	=head3 cf::player
1034		1448
1035	=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	}
1036		1464
1037	=item cf::player::find $login	1465	=item cf::player::find $login
1038		1466
1039	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1040		1468
…		…
1059		1487
1060	sub exists($) {	1488	sub exists($) {
1061	my ($login) = @_;	1489	my ($login) = @_;
1062		1490
1063	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1065	}	1493	}
1066		1494
1067	sub find($) {	1495	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1497	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1507	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1508
1081	my $pl = load_pl path $login	1509	my $f = new_from_file cf::object::thawer path $login
1082	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;
1083	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1084	}	1518	}
1085	}	1519	}
1086	}	1520	}
1087		1521
…		…
1096	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1097		1531
1098	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1100		1534
		1535	cf::get_slot 0.01;
		1536
1101	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1102	Coro::cede;	1538	cf::cede_to_tick;
1103	}	1539	}
1104		1540
1105	sub new($) {	1541	sub new($) {
1106	my ($login) = @_;	1542	my ($login) = @_;
1107		1543
…		…
1113	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1114		1550
1115	$self	1551	$self
1116	}	1552	}
1117		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
1118	=item $pl->quit_character	1564	=item $pl->quit_character
1119		1565
1120	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1122		1568
…		…
1126	my ($pl) = @_;	1572	my ($pl) = @_;
1127		1573
1128	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1129		1575
1130	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1131	$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
1132		1578
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1137		1585
1138	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1623	or return [];
1176		1624
1177	my @logins;	1625	my @logins;
1178		1626
1179	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") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1183		1637
1184	utf8::decode $login;	1638	utf8::decode $login;
1185	push @logins, $login;	1639	push @logins, $login;
1186	}	1640	}
1187		1641
…		…
1214	}	1668	}
1215		1669
1216	\@paths	1670	\@paths
1217	}	1671	}
1218		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1219	=item $player->ext_reply ($msgid, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1220		1678
1221	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1222		1680
1223	=cut	1681	=cut
1224		1682
1225	sub ext_reply($$%) {	1683	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1227		1685
1228	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1687	}
1232		1688
1233	=item $player->ext_event ($type, %msg)	1689	=item $player->ext_msg ($type, @msg)
1234		1690
1235	Sends an ext event to the client.	1691	Sends an ext event to the client.
1236		1692
1237	=cut	1693	=cut
1238		1694
1239	sub ext_event($$%) {	1695	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1696	my ($self, $type, @msg) = @_;
1241		1697
1242	$self->ns->ext_event ($type, %msg);	1698	$self->ns->ext_msg ($type, @msg);
1243	}	1699	}
1244		1700
1245	=head3 cf::region	1701	=head3 cf::region
1246		1702
1247	=over 4	1703	=over 4
…		…
1250		1706
1251	package cf::region;	1707	package cf::region;
1252		1708
1253	=item cf::region::find_by_path $path	1709	=item cf::region::find_by_path $path
1254		1710
1255	Tries to decuce the probable region for a map knowing only its path.	1711	Tries to decuce the likely region for a map knowing only its path.
1256		1712
1257	=cut	1713	=cut
1258		1714
1259	sub find_by_path($) {	1715	sub find_by_path($) {
1260	my ($path) = @_;	1716	my ($path) = @_;
1261		1717
1262	my ($match, $specificity);	1718	my ($match, $specificity);
1263		1719
1264	for my $region (list) {	1720	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1721	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1722	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1723	if $region->specificity > $specificity;
1268	}	1724	}
1269	}	1725	}
1270		1726
…		…
1291	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1293		1749
1294	sub generate_random_map {	1750	sub generate_random_map {
1295	my ($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
1296	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1756	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1390	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1391	return $self;	1850	return $self;
1392	}	1851	}
1393	}	1852	}
1394		1853
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1855	()
1397	}	1856	}
1398		1857
1399	sub init {	1858	sub init {
1400	my ($self) = @_;	1859	my ($self) = @_;
…		…
1422		1881
1423	# the temporary/swap location	1882	# the temporary/swap location
1424	sub save_path {	1883	sub save_path {
1425	my ($self) = @_;	1884	my ($self) = @_;
1426		1885
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1429	}	1888	}
1430		1889
1431	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1432	sub uniq_path {	1891	sub uniq_path {
1433	my ($self) = @_;	1892	my ($self) = @_;
1434		1893
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	1896	}
1447		1897
1448	sub decay_objects {	1898	sub decay_objects {
1449	my ($self) = @_;	1899	my ($self) = @_;
1450		1900
…		…
1463		1913
1464	sub load_header_from($) {	1914	sub load_header_from($) {
1465	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1466		1916
1467	utf8::encode $path;	1917	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	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;
1473		1926
1474	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1475		1928
1476	1	1929	1
1477	}	1930	}
…		…
1531	sub find {	1984	sub find {
1532	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1533		1986
1534	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1535		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1537		1991
1538	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1541	or return;	1994	or return;
1542		1995
1543	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1544		1997
…		…
1546	or return;	1999	or return;
1547		2000
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1551	$map->reset;	2006	$map->reset;
1552	undef $guard;
1553	return find $path;	2007	return find $path;
1554	}	2008	}
1555		2009
1556	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1557	}	2011	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1567		2021
1568	my $path = $self->{path};	2022	my $path = $self->{path};
1569		2023
1570	{	2024	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1572		2026
		2027	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2029
1575	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1576		2031
1577	$self->alloc;	2032	$self->alloc;
1578		2033
1579	$self->pre_load;	2034	$self->pre_load;
1580	Coro::cede;	2035	cf::cede_to_tick;
1581		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2039	$self->_load_objects ($f)
1583	or return;	2040	or return;
1584		2041
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1586	if delete $self->{load_original};	2043	if delete $self->{load_original};
1587		2044
1588	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2046	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2049	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1593	}	2053	}
1594	}	2054	}
1595		2055
1596	Coro::cede;	2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1597	# now do the right thing for maps	2059	# now do the right thing for maps
1598	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2062	unless $self->difficulty;
1601	Coro::cede;	2063	cf::cede_to_tick;
1602		2064
1603	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2066	$self->decay_objects;
1605	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1606	$self->update_buttons;	2068	$self->update_buttons;
1607	Coro::cede;	2069	cf::cede_to_tick;
1608	$self->set_darkness_map;
1609	Coro::cede;
1610	$self->activate;	2070	$self->activate;
1611	}	2071	}
1612		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2077	}
1615		2078
1616	$self->post_load;	2079	$self->post_load;
1617	}	2080	}
1618		2081
…		…
1627		2090
1628	$self	2091	$self
1629	}	2092	}
1630		2093
1631	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2095	sub load_neighbours {
1633	my ($map) = @_;	2096	my ($map) = @_;
1634		2097
1635	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1636		2099
1637	for (0 .. 3) {	2100	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1639	or next;	2102	or next;
1640	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1641	or next;	2104	or next;
1642	$neigh->load;	2105	$neigh->load;
1643		2106
		2107	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2110	}
1647		2111
1648	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1650	or next;	2115	or next;
1651	$neigh->load;	2116	$neigh->load;
1652	}	2117	}
1653	}	2118	}
1654		2119
…		…
1659	}	2124	}
1660		2125
1661	sub do_load_sync {	2126	sub do_load_sync {
1662	my ($map) = @_;	2127	my ($map) = @_;
1663		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1664	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1665	}	2133	}
1666		2134
1667	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1669		2137
1670	sub find_async {	2138	sub find_async {
1671	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1672		2140
1673	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1674		2142
1675	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2145	}
1678		2146
1679	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1680	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1681	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2154	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2155	$map->load if $v;
		2156	}
1686		2157
1687	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1688	}	2159	}
1689	}	2160	}
1690	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1691	};	2162	};
1692	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2166	}
1696		2167
1697	sub save {	2168	sub save {
1698	my ($self) = @_;	2169	my ($self) = @_;
1699		2170
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2172
1702	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1703		2174
1704	return unless $self->dirty;	2175	return unless $self->dirty;
1705		2176
…		…
1711	return if $self->{deny_save};	2182	return if $self->{deny_save};
1712		2183
1713	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1714		2185
1715	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1717	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1718		2192
1719	if ($uniq) {	2193	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2196	} else {
…		…
1728	my ($self) = @_;	2202	my ($self) = @_;
1729		2203
1730	# save first because save cedes	2204	# save first because save cedes
1731	$self->save;	2205	$self->save;
1732		2206
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2208
1735	return if $self->players;	2209	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1737	return if $self->{deny_save};	2211	return if $self->{deny_save};
1738		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2217	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2218	}
1742		2219
1743	sub reset_at {	2220	sub reset_at {
1744	my ($self) = @_;	2221	my ($self) = @_;
1745		2222
…		…
1763		2240
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2242
1766	return if $self->players;	2243	return if $self->players;
1767		2244
1768	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
1769		2246
1770	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1771		2248
1772	# need to save uniques path	2249	# need to save uniques path
1773	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1777	if $uniq;	2254	if $uniq;
1778	}	2255	}
1779		2256
1780	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1781		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2261	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2262
1786	$self->unlink_save;	2263	$self->unlink_save;
1787	$self->destroy;	2264	$self->destroy;
1788	}	2265	}
1789		2266
1790	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1791		2268
1792	sub nuke {	2269	sub nuke {
1793	my ($self) = @_;	2270	my ($self) = @_;
1794		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1795	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1796		2276
1797	$self->unlink_save;	2277	$self->unlink_save;
1798		2278
1799	bless $self, "cf::map";	2279	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2284
1805	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1806		2287
1807	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1808	}	2289	}
1809		2290
1810	=item $maps = cf::map::tmp_maps	2291	=item $maps = cf::map::tmp_maps
…		…
1852		2333
1853	sub unique_maps() {	2334	sub unique_maps() {
1854	[	2335	[
1855	map {	2336	map {
1856	utf8::decode $_;	2337	utf8::decode $_;
1857	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
1858	? normalise $_	2341	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2343	]
1862	}	2344	}
1863		2345
1864	package cf;	2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles>). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	next if $dir eq "/styles";
		2361
		2362	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2363	or return;
		2364
		2365	for (@$files) {
		2366	s/\.map$// or next;
		2367	utf8::decode $_;
		2368	push @maps, "$dir/$_";
		2369	}
		2370
		2371	push @dirs, map "$dir/$_", @$dirs;
		2372	}
		2373
		2374	\@maps
		2375	}
1865		2376
1866	=back	2377	=back
1867		2378
1868	=head3 cf::object	2379	=head3 cf::object
1869		2380
…		…
1873		2384
1874	=over 4	2385	=over 4
1875		2386
1876	=item $ob->inv_recursive	2387	=item $ob->inv_recursive
1877		2388
1878	Returns the inventory of the object _and_ their inventories, recursively.	2389	Returns the inventory of the object I<and> their inventories, recursively,
		2390	but I<not> the object itself.
1879		2391
1880	=cut	2392	=cut
1881		2393
1882	sub inv_recursive_;	2394	sub inv_recursive_;
1883	sub inv_recursive_ {	2395	sub inv_recursive_ {
…		…
1886		2398
1887	sub inv_recursive {	2399	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2400	inv_recursive_ inv $_[0]
1889	}	2401	}
1890		2402
		2403	=item $ref = $ob->ref
		2404
		2405	Creates and returns a persistent reference to an object that can be stored as a string.
		2406
		2407	=item $ob = cf::object::deref ($refstring)
		2408
		2409	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2410	even if the object actually exists. May block.
		2411
		2412	=cut
		2413
		2414	sub deref {
		2415	my ($ref) = @_;
		2416
		2417	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2418	my ($uuid, $name) = ($1, $2);
		2419	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2420	or return;
		2421	$pl->ob->uuid eq $uuid
		2422	or return;
		2423
		2424	$pl->ob
		2425	} else {
		2426	warn "$ref: cannot resolve object reference\n";
		2427	undef
		2428	}
		2429	}
		2430
1891	package cf;	2431	package cf;
1892		2432
1893	=back	2433	=back
1894		2434
1895	=head3 cf::object::player	2435	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2441	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902	can be C<undef>. Does the right thing when the player is currently in a	2442	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2443	dialogue with the given NPC character.
1904		2444
1905	=cut	2445	=cut
		2446
		2447	our $SAY_CHANNEL = {
		2448	id => "say",
		2449	title => "Map",
		2450	reply => "say ",
		2451	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2452	};
		2453
		2454	our $CHAT_CHANNEL = {
		2455	id => "chat",
		2456	title => "Chat",
		2457	reply => "chat ",
		2458	tooltip => "Player chat and shouts, global to the server.",
		2459	};
1906		2460
1907	# rough implementation of a future "reply" method that works	2461	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2462	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2463	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2464	sub cf::object::player::reply($$$;$) {
…		…
1912		2466
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2467	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2468
1915	if ($self->{record_replies}) {	2469	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2470	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2471
1917	} else {	2472	} else {
		2473	my $pl = $self->contr;
		2474
		2475	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2476	my $dialog = $pl->{npc_dialog};
		2477	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2478
		2479	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2480	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2481	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2482	}
1920	}	2483	}
		2484	}
		2485
		2486	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2487
		2488	=cut
		2489
		2490	sub cf::object::send_msg {
		2491	my $pl = shift->contr
		2492	or return;
		2493	$pl->send_msg (@_);
1921	}	2494	}
1922		2495
1923	=item $player_object->may ("access")	2496	=item $player_object->may ("access")
1924		2497
1925	Returns wether the given player is authorized to access resource "access"	2498	Returns wether the given player is authorized to access resource "access"
…		…
1938		2511
1939	=item $player_object->enter_link	2512	=item $player_object->enter_link
1940		2513
1941	Freezes the player and moves him/her to a special map (C<{link}>).	2514	Freezes the player and moves him/her to a special map (C<{link}>).
1942		2515
1943	The player should be reasonably safe there for short amounts of time. You	2516	The player should be reasonably safe there for short amounts of time (e.g.
1944	I<MUST> call C<leave_link> as soon as possible, though.	2517	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2518	though, as the palyer cannot control the character while it is on the link
		2519	map.
1945		2520
1946	Will never block.	2521	Will never block.
1947		2522
1948	=item $player_object->leave_link ($map, $x, $y)	2523	=item $player_object->leave_link ($map, $x, $y)
1949		2524
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2579	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2580	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2581	if $x <=0 && $y <= 0;
2007		2582
2008	$map->load;	2583	$map->load;
2009	$map->load_diag;	2584	$map->load_neighbours;
2010		2585
2011	return unless $self->contr->active;	2586	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2587
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
2016	}
2017		2590
		2591	# only activate afterwards, to support waiting in hooks
		2592	$self->activate_recursive;
		2593	}
		2594
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2595	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2596
2020	Moves the player to the given map-path and coordinates by first freezing	2597	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2598	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2599	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2600	the new (success) or old (failed) map position. In either case, $done will
		2601	be called at the end of this process.
		2602
		2603	Note that $check will be called with a potentially non-loaded map, so if
		2604	it needs a loaded map it has to call C<< ->load >>.
2024		2605
2025	=cut	2606	=cut
2026		2607
2027	our $GOTOGEN;	2608	our $GOTOGEN;
2028		2609
2029	sub cf::object::player::goto {	2610	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2611	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2612
2032	# do generation counting so two concurrent goto's will be executed in-order	2613	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2614	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2615
2035	$self->enter_link;	2616	$self->enter_link;
2036		2617
2037	(async {	2618	(async {
		2619	$Coro::current->{desc} = "player::goto $path $x $y";
		2620
		2621	# *tag paths override both path and x|y
		2622	if ($path =~ /^\*(.*)$/) {
		2623	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2624	my $ob = $obs[rand @obs];
		2625
		2626	# see if we actually can go there
		2627	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2628	$ob = $obs[rand @obs];
		2629	} else {
		2630	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632	# else put us there anyways for now #d#
		2633
		2634	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2635	} else {
		2636	($path, $x, $y) = (undef, undef, undef);
		2637	}
		2638	}
		2639
2038	my $map = eval {	2640	my $map = eval {
2039	my $map = cf::map::find $path;	2641	my $map = defined $path ? cf::map::find $path : undef;
2040		2642
2041	if ($map) {	2643	if ($map) {
2042	$map = $map->customise_for ($self);	2644	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2645	$map = $check->($map) if $check && $map;
2044	} else {	2646	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2647	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2648	}
2047		2649
2048	$map	2650	$map
2049	};	2651	};
2050		2652
…		…
2055		2657
2056	if ($gen == $self->{_goto_generation}) {	2658	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2659	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2660	$self->leave_link ($map, $x, $y);
2059	}	2661	}
		2662
		2663	$done->() if $done;
2060	})->prio (1);	2664	})->prio (1);
2061	}	2665	}
2062		2666
2063	=item $player_object->enter_exit ($exit_object)	2667	=item $player_object->enter_exit ($exit_object)
2064		2668
…		…
2084	}	2688	}
2085		2689
2086	sub prepare_random_map {	2690	sub prepare_random_map {
2087	my ($exit) = @_;	2691	my ($exit) = @_;
2088		2692
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2693	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2694	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2695	# that depends on the exit object
2094		2696
2095	my $rmp = parse_random_map_params $exit->msg;	2697	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2699	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2700	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2701	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2702	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2703	$rmp->{origin_y} = $exit->y;
		2704
		2705	$exit->map->touch;
2102	}	2706	}
2103		2707
2104	$rmp->{random_seed} ||= $exit->random_seed;	2708	$rmp->{random_seed} ||= $exit->random_seed;
2105		2709
2106	my $data = cf::to_json $rmp;	2710	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2711	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2712	my $meta = "$RANDOMDIR/$md5.meta";
2109		2713
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2714	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2715	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2716	undef $fh;
2113	aio_rename "$meta~", $meta;	2717	aio_rename "$meta~", $meta;
2114		2718
		2719	my $slaying = "?random/$md5";
		2720
		2721	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2722	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2723	$exit->msg (undef);
		2724	}
2117	}	2725	}
2118	}	2726	}
2119		2727
2120	sub cf::object::player::enter_exit {	2728	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2729	my ($self, $exit) = @_;
2122		2730
2123	return unless $self->type == cf::PLAYER;	2731	return unless $self->type == cf::PLAYER;
2124		2732
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2733	$self->enter_link;
2137		2734
2138	(async {	2735	(async {
2139	$self->deactivate_recursive; # just to be sure	2736	$Coro::current->{desc} = "enter_exit";
		2737
2140	unless (eval {	2738	unless (eval {
		2739	$self->deactivate_recursive; # just to be sure
		2740
		2741	# random map handling
		2742	{
		2743	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2744
		2745	prepare_random_map $exit
		2746	if $exit->slaying eq "/!";
		2747	}
		2748
		2749	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2750	my $x = $exit->stats->hp;
		2751	my $y = $exit->stats->sp;
		2752
2141	$self->goto ($slaying, $hp, $sp);	2753	$self->goto ($map, $x, $y);
2142		2754
		2755	# if exit is damned, update players death & WoR home-position
		2756	$self->contr->savebed ($map, $x, $y)
		2757	if $exit->flag (cf::FLAG_DAMNED);
		2758
2143	1;	2759	1
2144	}) {	2760	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2761	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "I'll try to bring you back to the map you were before. "	2762	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	2763	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2764	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2765
2150	warn "ERROR in enter_exit: $@";	2766	warn "ERROR in enter_exit: $@";
…		…
2169		2785
2170	utf8::encode $text;	2786	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2787	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2788	}
2173		2789
		2790	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2791
		2792	Send a drawinfo or msg packet to the client, formatting the msg for the
		2793	client if neccessary. C<$type> should be a string identifying the type of
		2794	the message, with C<log> being the default. If C<$color> is negative, suppress
		2795	the message unless the client supports the msg packet.
		2796
		2797	=cut
		2798
		2799	# non-persistent channels (usually the info channel)
		2800	our %CHANNEL = (
		2801	"c/motd" => {
		2802	id => "infobox",
		2803	title => "MOTD",
		2804	reply => undef,
		2805	tooltip => "The message of the day",
		2806	},
		2807	"c/identify" => {
		2808	id => "infobox",
		2809	title => "Identify",
		2810	reply => undef,
		2811	tooltip => "Items recently identified",
		2812	},
		2813	"c/examine" => {
		2814	id => "infobox",
		2815	title => "Examine",
		2816	reply => undef,
		2817	tooltip => "Signs and other items you examined",
		2818	},
		2819	"c/shopinfo" => {
		2820	id => "infobox",
		2821	title => "Shop Info",
		2822	reply => undef,
		2823	tooltip => "What your bargaining skill tells you about the shop",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/statistics" => {
		2850	id => "infobox",
		2851	title => "Statistics",
		2852	reply => undef,
		2853	tooltip => "Shows your primary statistics",
		2854	},
		2855	"c/skills" => {
		2856	id => "infobox",
		2857	title => "Skills",
		2858	reply => undef,
		2859	tooltip => "Shows your experience per skill and item power",
		2860	},
		2861	"c/shopitems" => {
		2862	id => "infobox",
		2863	title => "Shop Items",
		2864	reply => undef,
		2865	tooltip => "Shows the items currently for sale in this shop",
		2866	},
		2867	"c/resistances" => {
		2868	id => "infobox",
		2869	title => "Resistances",
		2870	reply => undef,
		2871	tooltip => "Shows your resistances",
		2872	},
		2873	"c/pets" => {
		2874	id => "infobox",
		2875	title => "Pets",
		2876	reply => undef,
		2877	tooltip => "Shows information abotu your pets/a specific pet",
		2878	},
		2879	"c/perceiveself" => {
		2880	id => "infobox",
		2881	title => "Perceive Self",
		2882	reply => undef,
		2883	tooltip => "You gained detailed knowledge about yourself",
		2884	},
		2885	"c/uptime" => {
		2886	id => "infobox",
		2887	title => "Uptime",
		2888	reply => undef,
		2889	tooltip => "How long the server has been running since last restart",
		2890	},
		2891	"c/mapinfo" => {
		2892	id => "infobox",
		2893	title => "Map Info",
		2894	reply => undef,
		2895	tooltip => "Information related to the maps",
		2896	},
		2897	"c/party" => {
		2898	id => "party",
		2899	title => "Party",
		2900	reply => "gsay ",
		2901	tooltip => "Messages and chat related to your party",
		2902	},
		2903	"c/death" => {
		2904	id => "death",
		2905	title => "Death",
		2906	reply => undef,
		2907	tooltip => "Reason for and more info about your most recent death",
		2908	},
		2909	"c/say" => $SAY_CHANNEL,
		2910	"c/chat" => $CHAT_CHANNEL,
		2911	);
		2912
		2913	sub cf::client::send_msg {
		2914	my ($self, $channel, $msg, $color, @extra) = @_;
		2915
		2916	$msg = $self->pl->expand_cfpod ($msg)
		2917	unless $color & cf::NDI_VERBATIM;
		2918
		2919	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2920
		2921	# check predefined channels, for the benefit of C
		2922	if ($CHANNEL{$channel}) {
		2923	$channel = $CHANNEL{$channel};
		2924
		2925	$self->ext_msg (channel_info => $channel);
		2926	$channel = $channel->{id};
		2927
		2928	} elsif (ref $channel) {
		2929	# send meta info to client, if not yet sent
		2930	unless (exists $self->{channel}{$channel->{id}}) {
		2931	$self->{channel}{$channel->{id}} = $channel;
		2932	$self->ext_msg (channel_info => $channel);
		2933	}
		2934
		2935	$channel = $channel->{id};
		2936	}
		2937
		2938	return unless @extra || length $msg;
		2939
		2940	# default colour, mask it out
		2941	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2942	if $color & cf::NDI_DEF;
		2943
		2944	my $pkt = "msg "
		2945	. $self->{json_coder}->encode (
		2946	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2947	);
		2948
		2949	# try lzf for large packets
		2950	$pkt = "lzf " . Compress::LZF::compress $pkt
		2951	if 1024 <= length $pkt and $self->{can_lzf};
		2952
		2953	# split very large packets
		2954	if (8192 < length $pkt and $self->{can_lzf}) {
		2955	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2956	$pkt = "frag";
		2957	}
		2958
		2959	$self->send_packet ($pkt);
		2960	}
		2961
2174	=item $client->ext_event ($type, %msg)	2962	=item $client->ext_msg ($type, @msg)
2175		2963
2176	Sends an exti event to the client.	2964	Sends an ext event to the client.
2177		2965
2178	=cut	2966	=cut
2179		2967
2180	sub cf::client::ext_event($$%) {	2968	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2969	my ($self, $type, @msg) = @_;
2182		2970
		2971	if ($self->extcmd == 2) {
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2973	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2974	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2975	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2976	}
		2977	}
		2978
		2979	=item $client->ext_reply ($msgid, @msg)
		2980
		2981	Sends an ext reply to the client.
		2982
		2983	=cut
		2984
		2985	sub cf::client::ext_reply($$@) {
		2986	my ($self, $id, @msg) = @_;
		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2990	} elsif ($self->extcmd == 1) {
		2991	#TODO: version 1, remove
		2992	unshift @msg, msgtype => "reply", msgid => $id;
		2993	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2994	}
2185	}	2995	}
2186		2996
2187	=item $success = $client->query ($flags, "text", \&cb)	2997	=item $success = $client->query ($flags, "text", \&cb)
2188		2998
2189	Queues a query to the client, calling the given callback with	2999	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3000	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3001	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		3002
2193	Queries can fail, so check the return code. Or don't, as queries will become	3003	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	3004	become reliable at some point in the future.
2195		3005
2196	=cut	3006	=cut
2197		3007
2198	sub cf::client::query {	3008	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3009	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3017	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3018	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3019
2210	$self->send_packet ($self->{query_queue}[0][0])	3020	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3021	if @{ $self->{query_queue} } == 1;
		3022
		3023	1
2212	}	3024	}
2213		3025
2214	cf::client->attach (	3026	cf::client->attach (
		3027	on_connect => sub {
		3028	my ($ns) = @_;
		3029
		3030	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3031	},
2215	on_reply => sub {	3032	on_reply => sub {
2216	my ($ns, $msg) = @_;	3033	my ($ns, $msg) = @_;
2217		3034
2218	# this weird shuffling is so that direct followup queries	3035	# this weird shuffling is so that direct followup queries
2219	# get handled first	3036	# get handled first
…		…
2231	} else {	3048	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3050	}
2234	}	3051	}
2235	},	3052	},
		3053	on_exticmd => sub {
		3054	my ($ns, $buf) = @_;
		3055
		3056	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3057
		3058	if (ref $msg) {
		3059	my ($type, $reply, @payload) =
		3060	"ARRAY" eq ref $msg
		3061	? @$msg
		3062	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3063
		3064	my @reply;
		3065
		3066	if (my $cb = $EXTICMD{$type}) {
		3067	@reply = $cb->($ns, @payload);
		3068	}
		3069
		3070	$ns->ext_reply ($reply, @reply)
		3071	if $reply;
		3072
		3073	} else {
		3074	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3075	}
		3076
		3077	cf::override;
		3078	},
2236	);	3079	);
2237		3080
2238	=item $client->async (\&cb)	3081	=item $client->async (\&cb)
2239		3082
2240	Create a new coroutine, running the specified callback. The coroutine will	3083	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	3124	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3125	our $safe_hole = new Safe::Hole;
2283		3126
2284	$SIG{FPE} = 'IGNORE';	3127	$SIG{FPE} = 'IGNORE';
2285		3128
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3129	$safe->permit_only (Opcode::opset qw(
		3130	:base_core :base_mem :base_orig :base_math
		3131	grepstart grepwhile mapstart mapwhile
		3132	sort time
		3133	));
2287		3134
2288	# here we export the classes and methods available to script code	3135	# here we export the classes and methods available to script code
2289		3136
2290	=pod	3137	=pod
2291		3138
2292	The following functions and methods are available within a safe environment:	3139	The following functions and methods are available within a safe environment:
2293		3140
2294	cf::object contr pay_amount pay_player map	3141	cf::object
		3142	contr pay_amount pay_player map x y force_find force_add destroy
		3143	insert remove name archname title slaying race decrease split
		3144	value
		3145
2295	cf::object::player player	3146	cf::object::player
2296	cf::player peaceful	3147	player
2297	cf::map trigger	3148
		3149	cf::player
		3150	peaceful
		3151
		3152	cf::map
		3153	trigger
2298		3154
2299	=cut	3155	=cut
2300		3156
2301	for (	3157	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3158	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3159	insert remove inv nrof name archname title slaying race
		3160	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3161	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3162	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3163	["cf::map" => qw(trigger)],
2306	) {	3164	) {
2307	no strict 'refs';	3165	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3166	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3167	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2326	my ($code, %vars) = @_;	3184	my ($code, %vars) = @_;
2327		3185
2328	my $qcode = $code;	3186	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3187	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3188	$qcode =~ s/\n/\\n/g;
		3189
		3190	%vars = (_dummy => 0) unless %vars;
2331		3191
2332	local $_;	3192	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;	3193	local @safe::cf::_safe_eval_args = values %vars;
2334		3194
2335	my $eval =	3195	my $eval =
…		…
2378	=back	3238	=back
2379		3239
2380	=cut	3240	=cut
2381		3241
2382	#############################################################################	3242	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3243	# the server's init and main functions
2556		3244
2557	sub load_facedata($) {	3245	sub load_facedata($) {
2558	my ($path) = @_;	3246	my ($path) = @_;
		3247
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3253
2560	warn "loading facedata from $path\n";	3254	warn "loading facedata from $path\n";
2561		3255
2562	my $facedata;	3256	my $facedata;
2563	0 < aio_load $path, $facedata	3257	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3260	$facedata = Coro::Storable::thaw $facedata;
2567		3261
2568	$facedata->{version} == 2	3262	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3263	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3264
		3265	# patch in the exptable
		3266	$facedata->{resource}{"res/exp_table"} = {
		3267	type => FT_RSRC,
		3268	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3269	};
		3270	cf::cede_to_tick;
		3271
2571	{	3272	{
2572	my $faces = $facedata->{faceinfo};	3273	my $faces = $facedata->{faceinfo};
2573		3274
2574	while (my ($face, $info) = each %$faces) {	3275	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3276	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3277
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3278	cf::face::set_visibility $idx, $info->{visibility};
		3279	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3280	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3281	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3282
		3283	cf::cede_to_tick;
2580	}	3284	}
2581		3285
2582	while (my ($face, $info) = each %$faces) {	3286	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3287	next unless $info->{smooth};
		3288
2584	my $idx = cf::face::find $face	3289	my $idx = cf::face::find $face
2585	or next;	3290	or next;
		3291
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3292	if (my $smooth = cf::face::find $info->{smooth}) {
		3293	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3294	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3295	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3296	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3297	}
2591	Coro::cede;	3298
		3299	cf::cede_to_tick;
2592	}	3300	}
2593	}	3301	}
2594		3302
2595	{	3303	{
2596	my $anims = $facedata->{animinfo};	3304	my $anims = $facedata->{animinfo};
2597		3305
2598	while (my ($anim, $info) = each %$anims) {	3306	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3307	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3308	cf::cede_to_tick;
2601	}	3309	}
2602		3310
2603	cf::anim::invalidate_all; # d'oh	3311	cf::anim::invalidate_all; # d'oh
2604	}	3312	}
2605		3313
		3314	{
		3315	# TODO: for gcfclient pleasure, we should give resources
		3316	# that gcfclient doesn't grok a >10000 face index.
		3317	my $res = $facedata->{resource};
		3318
		3319	while (my ($name, $info) = each %$res) {
		3320	if (defined $info->{type}) {
		3321	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3322	my $data;
		3323
		3324	if ($info->{type} & 1) {
		3325	# prepend meta info
		3326
		3327	my $meta = $enc->encode ({
		3328	name => $name,
		3329	%{ $info->{meta} || {} },
		3330	});
		3331
		3332	$data = pack "(w/a*)*", $meta, $info->{data};
		3333	} else {
		3334	$data = $info->{data};
		3335	}
		3336
		3337	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3338	cf::face::set_type $idx, $info->{type};
		3339	} else {
		3340	$RESOURCE{$name} = $info;
		3341	}
		3342
		3343	cf::cede_to_tick;
		3344	}
		3345	}
		3346
		3347	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3348
2606	1	3349	1
2607	}	3350	}
2608		3351
		3352	cf::global->attach (on_resource_update => sub {
		3353	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3354	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3355
		3356	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3357	my $sound = $soundconf->{compat}[$_]
		3358	or next;
		3359
		3360	my $face = cf::face::find "sound/$sound->[1]";
		3361	cf::sound::set $sound->[0] => $face;
		3362	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3363	}
		3364
		3365	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3366	my $face = cf::face::find "sound/$v";
		3367	cf::sound::set $k => $face;
		3368	}
		3369	}
		3370	});
		3371
		3372	register_exticmd fx_want => sub {
		3373	my ($ns, $want) = @_;
		3374
		3375	while (my ($k, $v) = each %$want) {
		3376	$ns->fx_want ($k, $v);
		3377	}
		3378	};
		3379
		3380	sub load_resource_file($) {
		3381	my $guard = lock_acquire "load_resource_file";
		3382
		3383	my $status = load_resource_file_ $_[0];
		3384	get_slot 0.1, 100;
		3385	cf::arch::commit_load;
		3386
		3387	$status
		3388	}
		3389
2609	sub reload_regions {	3390	sub reload_regions {
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
2610	load_resource_file "$MAPDIR/regions"	3395	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3396	or die "unable to load regions file\n";
		3397
		3398	for (cf::region::list) {
		3399	$_->{match} = qr/$_->{match}/
		3400	if exists $_->{match};
		3401	}
2612	}	3402	}
2613		3403
2614	sub reload_facedata {	3404	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3405	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3406	or die "unable to load facedata\n";
…		…
2627	}	3417	}
2628		3418
2629	sub reload_resources {	3419	sub reload_resources {
2630	warn "reloading resource files...\n";	3420	warn "reloading resource files...\n";
2631		3421
		3422	reload_facedata;
		3423	reload_archetypes;
2632	reload_regions;	3424	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3425	reload_treasures;
2637		3426
2638	warn "finished reloading resource files\n";	3427	warn "finished reloading resource files\n";
2639	}	3428	}
2640		3429
2641	sub init {	3430	sub reload_config {
2642	reload_resources;	3431	warn "reloading config file...\n";
2643	}
2644		3432
2645	sub cfg_load {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3434	or return;
2648		3435
2649	local $/;	3436	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
2651		3438
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653		3440
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3441	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3442	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
2661	};	3448	};
2662	warn $@ if $@;	3449	warn $@ if $@;
2663	}	3450	}
		3451
		3452	warn "finished reloading resource files\n";
		3453	}
		3454
		3455	sub pidfile() {
		3456	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3457	or die "$PIDFILE: $!";
		3458	flock $fh, &Fcntl::LOCK_EX
		3459	or die "$PIDFILE: flock: $!";
		3460	$fh
		3461	}
		3462
		3463	# make sure only one server instance is running at any one time
		3464	sub atomic {
		3465	my $fh = pidfile;
		3466
		3467	my $pid = <$fh>;
		3468	kill 9, $pid if $pid > 0;
		3469
		3470	seek $fh, 0, 0;
		3471	print $fh $$;
		3472	}
		3473
		3474	sub main_loop {
		3475	warn "EV::loop starting\n";
		3476	if (1) {
		3477	EV::loop;
		3478	}
		3479	warn "EV::loop returned\n";
		3480	goto &main_loop unless $REALLY_UNLOOP;
2664	}	3481	}
2665		3482
2666	sub main {	3483	sub main {
		3484	cf::init_globals; # initialise logging
		3485
		3486	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3487	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3488	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3489	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3490
		3491	cf::init_experience;
		3492	cf::init_anim;
		3493	cf::init_attackmess;
		3494	cf::init_dynamic;
		3495
		3496	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3497
2667	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3500	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3501	(async {
2671	Event::one_event;	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3503	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3504	})->prio (Coro::PRIO_MAX);
2673	};	3505	};
2674		3506
2675	cfg_load;	3507	evthread_start IO::AIO::poll_fileno;
		3508
		3509	cf::sync_job {
		3510	reload_resources;
		3511	reload_config;
2676	db_init;	3512	db_init;
		3513
		3514	cf::load_settings;
		3515	cf::load_materials;
		3516	cf::init_uuid;
		3517	cf::init_signals;
		3518	cf::init_commands;
		3519	cf::init_skills;
		3520
		3521	cf::init_beforeplay;
		3522
		3523	atomic;
		3524
2677	load_extensions;	3525	load_extensions;
2678		3526
2679	$TICK_WATCHER->start;	3527	utime time, time, $RUNTIMEFILE;
2680	Event::loop;	3528
		3529	# no (long-running) fork's whatsoever before this point(!)
		3530	use POSIX ();
		3531	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3532
		3533	(pop @POST_INIT)->(0) while @POST_INIT;
		3534	};
		3535
		3536	main_loop;
2681	}	3537	}
2682		3538
2683	#############################################################################	3539	#############################################################################
2684	# initialisation and cleanup	3540	# initialisation and cleanup
2685		3541
2686	# install some emergency cleanup handlers	3542	# install some emergency cleanup handlers
2687	BEGIN {	3543	BEGIN {
		3544	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3545	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3546	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3547	cf::cleanup "SIG$signal";
2696	},
2697	);	3548	};
		3549	}
		3550	}
		3551
		3552	sub write_runtime_sync {
		3553	# first touch the runtime file to show we are still running:
		3554	# the fsync below can take a very very long time.
		3555
		3556	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3557
		3558	my $guard = cf::lock_acquire "write_runtime";
		3559
		3560	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3561	or return;
		3562
		3563	my $value = $cf::RUNTIME + 90 + 10;
		3564	# 10 is the runtime save interval, for a monotonic clock
		3565	# 60 allows for the watchdog to kill the server.
		3566
		3567	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3568	and return;
		3569
		3570	# always fsync - this file is important
		3571	aio_fsync $fh
		3572	and return;
		3573
		3574	# touch it again to show we are up-to-date
		3575	aio_utime $fh, undef, undef;
		3576
		3577	close $fh
		3578	or return;
		3579
		3580	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3581	and return;
		3582
		3583	warn "runtime file written.\n";
		3584
2698	}	3585	1
		3586	}
		3587
		3588	our $uuid_lock;
		3589	our $uuid_skip;
		3590
		3591	sub write_uuid_sync($) {
		3592	$uuid_skip ||= $_[0];
		3593
		3594	return if $uuid_lock;
		3595	local $uuid_lock = 1;
		3596
		3597	my $uuid = "$LOCALDIR/uuid";
		3598
		3599	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3600	or return;
		3601
		3602	my $value = uuid_seq uuid_cur;
		3603
		3604	unless ($value) {
		3605	warn "cowardly refusing to write zero uuid value!\n";
		3606	return;
		3607	}
		3608
		3609	my $value = uuid_str $value + $uuid_skip;
		3610	$uuid_skip = 0;
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	close $fh
		3620	or return;
		3621
		3622	aio_rename "$uuid~", $uuid
		3623	and return;
		3624
		3625	warn "uuid file written ($value).\n";
		3626
		3627	1
		3628
		3629	}
		3630
		3631	sub write_uuid($$) {
		3632	my ($skip, $sync) = @_;
		3633
		3634	$sync ? write_uuid_sync $skip
		3635	: async { write_uuid_sync $skip };
2699	}	3636	}
2700		3637
2701	sub emergency_save() {	3638	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3639	my $freeze_guard = cf::freeze_mainloop;
2703		3640
2704	warn "enter emergency perl save\n";	3641	warn "emergency_perl_save: enter\n";
2705		3642
2706	cf::sync_job {	3643	cf::sync_job {
		3644	# this is a trade-off: we want to be very quick here, so
		3645	# save all maps without fsync, and later call a global sync
		3646	# (which in turn might be very very slow)
		3647	local $USE_FSYNC = 0;
		3648
2707	# use a peculiar iteration method to avoid tripping on perl	3649	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3650	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3651	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3652	warn "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3653	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3654	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3655	$pl->valid or next;
		3656	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3657	$pl->save;
2715	}	3658	}
2716	warn "end emergency player save\n";	3659	warn "emergency_perl_save: end player save\n";
2717		3660
2718	warn "begin emergency map save\n";	3661	warn "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	3662	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3663	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3664	$map->valid or next;
2722	$map->save;	3665	$map->save;
2723	}	3666	}
2724	warn "end emergency map save\n";	3667	warn "emergency_perl_save: end map save\n";
2725		3668
2726	warn "begin emergency database checkpoint\n";	3669	warn "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3670	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3671	warn "emergency_perl_save: end database checkpoint\n";
		3672
		3673	warn "emergency_perl_save: begin write uuid\n";
		3674	write_uuid_sync 1;
		3675	warn "emergency_perl_save: end write uuid\n";
2729	};	3676	};
2730		3677
		3678	warn "emergency_perl_save: starting sync()\n";
		3679	IO::AIO::aio_sync sub {
		3680	warn "emergency_perl_save: finished sync()\n";
		3681	};
		3682
2731	warn "leave emergency perl save\n";	3683	warn "emergency_perl_save: leave\n";
2732	}	3684	}
2733		3685
2734	sub post_cleanup {	3686	sub post_cleanup {
2735	my ($make_core) = @_;	3687	my ($make_core) = @_;
2736		3688
2737	warn Carp::longmess "post_cleanup backtrace"	3689	warn Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	3690	if $make_core;
		3691
		3692	my $fh = pidfile;
		3693	unlink $PIDFILE if <$fh> == $$;
		3694	}
		3695
		3696	# a safer delete_package, copied from Symbol
		3697	sub clear_package($) {
		3698	my $pkg = shift;
		3699
		3700	# expand to full symbol table name if needed
		3701	unless ($pkg =~ /^main::.*::$/) {
		3702	$pkg = "main$pkg" if $pkg =~ /^::/;
		3703	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3704	$pkg .= '::' unless $pkg =~ /::$/;
		3705	}
		3706
		3707	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3708	my $stem_symtab = *{$stem}{HASH};
		3709
		3710	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3711	or return;
		3712
		3713	# clear all symbols
		3714	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3715	for my $name (keys %$leaf_symtab) {
		3716	_gv_clear *{"$pkg$name"};
		3717	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3718	}
		3719	warn "cleared package $pkg\n";#d#
2739	}	3720	}
2740		3721
2741	sub do_reload_perl() {	3722	sub do_reload_perl() {
2742	# can/must only be called in main	3723	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3724	if ($Coro::current != $Coro::main) {
2744	warn "can only reload from main coroutine";	3725	warn "can only reload from main coroutine";
2745	return;	3726	return;
2746	}	3727	}
2747		3728
		3729	return if $RELOAD++;
		3730
		3731	my $t1 = EV::time;
		3732
		3733	while ($RELOAD) {
2748	warn "reloading...";	3734	warn "reloading...";
2749		3735
2750	warn "entering sync_job";	3736	warn "entering sync_job";
2751		3737
2752	cf::sync_job {	3738	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3739	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3740	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3741	cf::write_runtime_sync; # external watchdog should not bark
2756		3742
2757	warn "syncing database to disk";	3743	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3744	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3745
2760	# if anything goes wrong in here, we should simply crash as we already saved	3746	# if anything goes wrong in here, we should simply crash as we already saved
2761		3747
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3748	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3749	while (IO::AIO::nreqs || BDB::nreqs) {
2773	warn "iterate...";	3750	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();
2781
2782	warn "removing commands";
2783	%COMMAND = ();
2784
2785	warn "removing ext commands";
2786	%EXTCMD = ();
2787
2788	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";
2791
2792	if (my $cb = $pkg->can ("unload")) {
2793	eval {
2794	$cb->($pkg);
2795	1
2796	} or warn "$pkg unloaded, but with errors: $@";
2797	}	3751	}
2798		3752
2799	warn "... nuking $pkg";	3753	warn "cancelling all extension coros";
2800	Symbol::delete_package $pkg;	3754	$_->cancel for values %EXT_CORO;
2801	}	3755	%EXT_CORO = ();
2802		3756
2803	warn "unloading all perl modules loaded from $LIBDIR";	3757	warn "removing commands";
2804	while (my ($k, $v) = each %INC) {	3758	%COMMAND = ();
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3759
		3760	warn "removing ext/exti commands";
		3761	%EXTCMD = ();
		3762	%EXTICMD = ();
		3763
		3764	warn "unloading/nuking all extensions";
		3765	for my $pkg (@EXTS) {
2807	warn "... unloading $k";	3766	warn "... unloading $pkg";
2808	delete $INC{$k};
2809		3767
2810	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;
2812
2813	if (my $cb = $k->can ("unload_module")) {	3768	if (my $cb = $pkg->can ("unload")) {
		3769	eval {
2814	$cb->();	3770	$cb->($pkg);
		3771	1
		3772	} or warn "$pkg unloaded, but with errors: $@";
		3773	}
		3774
		3775	warn "... clearing $pkg";
		3776	clear_package $pkg;
2815	}	3777	}
2816		3778
2817	Symbol::delete_package $k;	3779	warn "unloading all perl modules loaded from $LIBDIR";
		3780	while (my ($k, $v) = each %INC) {
		3781	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3782
		3783	warn "... unloading $k";
		3784	delete $INC{$k};
		3785
		3786	$k =~ s/\.pm$//;
		3787	$k =~ s/\//::/g;
		3788
		3789	if (my $cb = $k->can ("unload_module")) {
		3790	$cb->();
		3791	}
		3792
		3793	clear_package $k;
2818	}	3794	}
2819		3795
2820	warn "getting rid of safe::, as good as possible";	3796	warn "getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3797	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3798	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		3799
2824	warn "unloading cf.pm \"a bit\"";	3800	warn "unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3801	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3802	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		3803
2828	# don't, removes xs symbols, too,	3804	# don't, removes xs symbols, too,
2829	# and global variables created in xs	3805	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	3806	#clear_package __PACKAGE__;
2831		3807
2832	warn "unload completed, starting to reload now";	3808	warn "unload completed, starting to reload now";
2833		3809
2834	warn "reloading cf.pm";	3810	warn "reloading cf.pm";
2835	require cf;	3811	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3812	cf::_connect_to_perl_1;
2837		3813
2838	warn "loading config and database again";	3814	warn "loading config and database again";
2839	cf::cfg_load;	3815	cf::reload_config;
2840		3816
2841	warn "loading extensions";	3817	warn "loading extensions";
2842	cf::load_extensions;	3818	cf::load_extensions;
2843		3819
		3820	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	3821	warn "reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	3822	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	3823	warn "reattaching attachments to maps";
2847	reattach $_ for values %MAP;	3824	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	3825	warn "reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	3826	reattach $_ for values %PLAYER;
		3827	}
2850		3828
		3829	warn "running post_init jobs";
		3830	(pop @POST_INIT)->(1) while @POST_INIT;
		3831
2851	warn "leaving sync_job";	3832	warn "leaving sync_job";
2852		3833
2853	1	3834	1
2854	} or do {	3835	} or do {
2855	warn $@;	3836	warn $@;
2856	warn "error while reloading, exiting.";	3837	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3838	};
2859		3839
2860	warn "reloaded";	3840	warn "reloaded";
		3841	--$RELOAD;
		3842	}
		3843
		3844	$t1 = EV::time - $t1;
		3845	warn "reload completed in ${t1}s\n";
2861	};	3846	};
2862		3847
2863	our $RELOAD_WATCHER; # used only during reload	3848	our $RELOAD_WATCHER; # used only during reload
2864		3849
2865	sub reload_perl() {	3850	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3851	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3852	# coro crashes during coro_state_free->destroy here.
2868		3853
2869	$RELOAD_WATCHER ||= Event->timer (	3854	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	3855	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	3856
2872	data => WF_AUTOCANCEL,	3857	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	3858	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3859	undef $RELOAD_WATCHER;
2876	},	3860	};
2877	);	3861	};
2878	}	3862	}
2879		3863
2880	register_command "reload" => sub {	3864	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3865	my ($who, $arg) = @_;
2882		3866
2883	if ($who->flag (FLAG_WIZ)) {	3867	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3868	$who->message ("reloading server.");
		3869	async {
		3870	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3871	reload_perl;
		3872	};
2886	}	3873	}
2887	};	3874	};
2888		3875
2889	unshift @INC, $LIBDIR;	3876	unshift @INC, $LIBDIR;
2890		3877
…		…
2892		3879
2893	our @WAIT_FOR_TICK;	3880	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3881	our @WAIT_FOR_TICK_BEGIN;
2895		3882
2896	sub wait_for_tick {	3883	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3884	return if tick_inhibit || $Coro::current == $Coro::main;
2899		3885
2900	my $signal = new Coro::Signal;	3886	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3887	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3888	$signal->wait;
2903	}	3889	}
2904		3890
2905	sub wait_for_tick_begin {	3891	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3892	return if tick_inhibit || $Coro::current == $Coro::main;
2908		3893
2909	my $signal = new Coro::Signal;	3894	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3895	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3896	$signal->wait;
2912	}	3897	}
2913		3898
2914	my $min = 1e6;#d#	3899	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3900	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3901	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3902	unless ++$bug_warning > 10;
2926	return;	3903	return;
2927	}	3904	}
2928		3905
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	3906	cf::server_tick; # one server iteration
2932		3907
2933	0 && sync_job {#d#	3908	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	3909	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	3910	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3911	$Coro::current->{desc} = "runtime saver";
2937	or die;	3912	write_runtime_sync
2938		3913	or warn "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	3914	};
		3915	}
2955		3916
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3917	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3918	$sig->send;
2972	}	3919	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3920	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3921	$sig->send;
2975	}	3922	}
2976		3923
2977	$NOW = Event::time;	3924	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3925	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3926
2988	_post_tick;	3927	if (0) {
2989		3928	if ($NEXT_TICK) {
2990		3929	my $jitter = $TICK_START - $NEXT_TICK;
		3930	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3931	warn "jitter $JITTER\n";#d#
		3932	}
2991	},	3933	}
2992	);	3934	}
2993		3935
2994	{	3936	{
2995	BDB::max_poll_time $TICK * 0.1;	3937	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	3938
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	3939	BDB::min_parallel 8;
3005		3940	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	3941	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		3942
3021	unless ($DB_ENV) {	3943	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3944	$DB_ENV = BDB::db_env_create;
		3945	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3946	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3947	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3948	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3949	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3950
3024	cf::sync_job {	3951	cf::sync_job {
3025	eval {	3952	eval {
3026	BDB::db_env_open	3953	BDB::db_env_open
3027	$DB_ENV,	3954	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3956	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3957	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3958	0666;
3032		3959
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3960	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3961	};
3038		3962
3039	cf::cleanup "db_env_open(db): $@" if $@;	3963	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3964	};
3041	}	3965	}
		3966
		3967	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3968	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3969	};
		3970	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3971	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3972	};
		3973	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3974	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3975	};
3042	}	3976	}
3043		3977
3044	{	3978	{
		3979	# configure IO::AIO
		3980
3045	IO::AIO::min_parallel 8;	3981	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	3982	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	3983	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	3984	}
3058		3985
3059	my $_log_backtrace;	3986	my $_log_backtrace;
3060		3987
3061	sub _log_backtrace {	3988	sub _log_backtrace {
…		…
3064	$msg =~ s/\n//;	3991	$msg =~ s/\n//;
3065		3992
3066	# limit the # of concurrent backtraces	3993	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3994	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3995	++$_log_backtrace;
		3996	my $perl_bt = Carp::longmess $msg;
3069	async {	3997	async {
		3998	$Coro::current->{desc} = "abt $msg";
		3999
3070	my @bt = fork_call {	4000	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4001	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	4004	or die "addr2line: $!";
…		…
3082	}	4012	}
3083		4013
3084	@funcs	4014	@funcs
3085	};	4015	};
3086		4016
3087	LOG llevInfo, "[ABT] $msg\n";	4017	LOG llevInfo, "[ABT] $perl_bt\n";
		4018	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4019	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4020	--$_log_backtrace;
3090	};	4021	};
3091	} else {	4022	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4023	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4024	LOG llevInfo, "[ABT] [suppressed]\n";
3094	}	4025	}
3095	}	4026	}
3096		4027
3097	# load additional modules	4028	# load additional modules
3098	use cf::pod;	4029	require "cf/$_.pm" for @EXTRA_MODULES;
		4030	cf::_connect_to_perl_2;
3099		4031
3100	END { cf::emergency_save }	4032	END { cf::emergency_save }
3101		4033
3102	1	4034	1
3103		4035

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