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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 3.61 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
		52	use Coro::Util ();
24		53
		54	use JSON::XS 2.01 ();
25	use BDB ();	55	use BDB ();
26	use Data::Dumper;	56	use Data::Dumper;
27	use Digest::MD5;	57	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
71		112
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	115	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
82		124
83	our %CFG;	125	our %CFG;
84		126
85	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
87		130
88	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
91		134
92	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		137
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
98		147
99	binmode STDOUT;	148	binmode STDOUT;
100	binmode STDERR;	149	binmode STDERR;
101		150
102	# read virtual server time, if available	151	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
107	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
108		159
109	mkdir $_	160	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		162
112	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
113		164
114	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		177
116	#############################################################################	178	#############################################################################
117		179
118	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
119		181
…		…
155		217
156	The raw value load value from the last tick.	218	The raw value load value from the last tick.
157		219
158	=item %cf::CFG	220	=item %cf::CFG
159		221
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	223	from wherever your confdir points to.
162		224
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		226
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
169	=back	243	=back
170		244
171	=cut	245	=cut
172		246
173	BEGIN {	247	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	248	my $msg = join "", @_;
176		249
177	$msg .= "\n"	250	$msg .= "\n"
178	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
179		252
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		254
182	utf8::encode $msg;
183	LOG llevError, $msg;	255	LOG llevError, $msg;
184	};	256	};
185	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
186		271
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	282	for my $pkg (qw(
198	cf::global cf::attachable	283	cf::global cf::attachable
199	cf::object cf::object::player	284	cf::object cf::object::player
200	cf::client cf::player	285	cf::client cf::player
201	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
202	cf::map cf::party cf::region	288	cf::party cf::region
203	)) {	289	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	291	}
207		292
208	$Event::DIED = sub {	293	$EV::DIED = sub {
209	warn "error in event callback: @_";	294	warn "error in event callback: @_";
210	};	295	};
		296
		297	#############################################################################
211		298
212	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
213		300
214	=over 4	301	=over 4
215		302
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	322	$d
236	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
237	}	324	}
238		325
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
242		327
243	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
244		329
245	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
246		331
247	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
248		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
249	=item cf::lock_wait $string	355	=item cf::lock_wait $string
250		356
251	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
252		358
253	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
254		360
255	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
258	returned.	364	returned.
259		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
260	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
262		371
263	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
264		373
265	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
266		375
267	=cut	376	=cut
268		377
269	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
270		379
271	sub lock_wait($) {	380	sub lock_wait($) {
272	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	382	}
280		383
281	sub lock_acquire($) {	384	sub lock_acquire($) {
282	my ($key) = @_;	385	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	386	}
294		387
295	sub lock_active($) {	388	sub lock_active($) {
296	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	390	}
300		391
301	sub freeze_mainloop {	392	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
303		394
304	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
306	};	456	}
307	$TICK_WATCHER->stop;	457	};
308	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
309	}	471	}
310		472
311	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
312		474
313	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		480
319	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
320		482
321	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
322		484
323	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
326		489
327	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
330	fast or be very important.	493	fast or be very important.
…		…
333		496
334	sub sync_job(&) {	497	sub sync_job(&) {
335	my ($job) = @_;	498	my ($job) = @_;
336		499
337	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	501	my $time = EV::time;
339		502
340	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
342		505
343	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	507
345	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
346		509
347	my $busy = 1;	510	my $busy = 1;
348	my @res;	511	my @res;
349		512
350	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	515	@res = eval { $job->() };
352	warn $@ if $@;	516	warn $@ if $@;
353	undef $busy;	517	undef $busy;
354	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
355		519
356	while ($busy) {	520	while ($busy) {
357	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
358	}	525	}
		526	}
359		527
360	$time = Event::time - $time;	528	my $time = EV::time - $time;
361		529
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
366		531
367	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
368	} else {	533	} else {
369	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
370		535
…		…
390	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
391		556
392	$coro	557	$coro
393	}	558	}
394		559
395	sub write_runtime {	560	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		561
398	# first touch the runtime file to show we are still running:	562	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
400		566
401	IO::AIO::aio_utime $runtime, undef, undef;	567	=cut
402		568
403	my $guard = cf::lock_acquire "write_runtime";	569	sub fork_call(&@) {
		570	my ($cb, @args) = @_;
404		571
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	# we seemingly have to make a local copy of the whole thing,
406	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
407		575
408	my $value = $cf::RUNTIME + 90 + 10;	576	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	577	reset_signals;
410	# 60 allows for the watchdog to kill the server.	578	&$cb
		579	}, @args;
411		580
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	581	wantarray ? @res : $res[-1]
413	and return;	582	}
414		583
415	# always fsync - this file is important	584	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		585
419	# touch it again to show we are up-to-date	586	=cut
420	aio_utime $fh, undef, undef;
421		587
422	close $fh	588	our %coin_alias = (
423	or return;	589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
424		604
425	aio_rename "$runtime~", $runtime	605	sub coin_from_name($) {
426	and return;	606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
427		610
428	warn "runtime file written.\n";	611	=item $value = cf::db_get $family => $key
429		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
430	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
431	}	736	}
432		737
433	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
434		739
435	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		752
448	#############################################################################	753	#############################################################################
449		754
450	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
451		756
452	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
455		760
456	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	763	Deliantra).
459		764
460	=over 4	765	=over 4
461		766
462	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
463		768
…		…
507	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
508		813
509	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
511		816
512	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
514		819
515	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
516		821
517	=over 4	822	=over 4
…		…
665	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
666	}	971	}
667		972
668	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
669	} else {	974	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	976	}
672		977
673	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
674	}	979	}
675		980
…		…
715	";	1020	";
716	die if $@;	1021	die if $@;
717	}	1022	}
718		1023
719	our $override;	1024	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1026
722	sub override {	1027	sub override {
723	$override = 1;	1028	$override = 1;
724	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
725	}	1030	}
726		1031
727	sub do_invoke {	1032	sub do_invoke {
728	my $event = shift;	1033	my $event = shift;
729	my $callbacks = shift;	1034	my $callbacks = shift;
730		1035
731	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
732		1037
733	local $override;	1038	local $override;
734		1039
735	for (@$callbacks) {	1040	for (@$callbacks) {
736	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
745	}	1050	}
746		1051
747	0	1052	0
748	}	1053	}
749		1054
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1056
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1058
754	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
755		1060
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1064
760	=back	1065	=back
761		1066
762	=cut	1067	=cut
763		1068
764	#############################################################################	1069	#############################################################################
765	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
766		1113
767	sub reattach {	1114	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1116	my ($obj) = @_;
770		1117
		1118	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1120
773	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
774		1122
775	@$registry = ();	1123	@$registry = ();
776		1124
…		…
791	cf::attachable->attach (	1139	cf::attachable->attach (
792	prio => -1000000,	1140	prio => -1000000,
793	on_instantiate => sub {	1141	on_instantiate => sub {
794	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
795		1143
796	$data = from_json $data;	1144	$data = decode_json $data;
797		1145
798	for (@$data) {	1146	for (@$data) {
799	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
800		1148
801	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1165	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
819		1167
820	sync_job {	1168	sync_job {
821	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
824		1173
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1179	aio_fsync $fh;
		1180	}
829	close $fh;	1181	aio_close $fh;
830		1182
831	if (@$objs) {	1183	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1190	aio_fsync $fh;
		1191	}
837	close $fh;	1192	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
839	}	1194	}
840	} else {	1195	} else {
841	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
842	}	1197	}
843		1198
844	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1203	} else {
846	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
847	}	1205	}
848	} else {	1206	} else {
849	aio_unlink $filename;	1207	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
851	}	1209	}
852	}	1210	};
853	}	1211	}
854		1212
855	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
857		1215
…		…
869	or return;	1227	or return;
870		1228
871	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
873	or return;	1231	or return;
		1232
874	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
875	}	1235	}
876		1236
		1237	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1239	$decname, length $data, scalar @{$av || []};
		1240
879	return ($data, $av);	1241	($data, $av)
880	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
881		1249
882	#############################################################################	1250	#############################################################################
883	# command handling &c	1251	# command handling &c
884		1252
885	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1267	}
900		1268
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1270
903	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
904		1276
905	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
906	called.	1278	called.
907		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
908	=cut	1291	=cut
909		1292
910	sub register_extcmd {	1293	sub register_extcmd {
911	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
912		1295
913	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
914	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
915		1306
916	cf::player->attach (	1307	cf::player->attach (
917	on_command => sub {	1308	on_command => sub {
918	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
919		1310
…		…
927	cf::override;	1318	cf::override;
928	},	1319	},
929	on_extcmd => sub {	1320	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
931		1322
932	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1324
934	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
940	} else {	1340	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1342	}
943		1343
944	cf::override;	1344	cf::override;
945	},	1345	},
946	);	1346	);
947		1347
		1348	# "readahead" all extensions
948	sub load_extension {	1349	sub cache_extensions {
949	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
950		1351
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1355	}
976	die $@;
977	}	1356	};
978		1357
979	push @EXTS, $pkg;	1358	$grp
980	}	1359	}
981		1360
982	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
983	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1366	next unless -r $path;
985	eval {	1367
986	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
987	1	1424	}
988	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
989	}	1430	};
990	}	1431	}
991		1432
992	#############################################################################	1433	#############################################################################
993		1434
		1435	=back
		1436
994	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
995		1438
996	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
997		1440
998	=cut	1441	=cut
999		1442
1000	package cf::player;	1443	package cf::player;
1001		1444
1002	use Coro::AIO;	1445	use Coro::AIO;
1003		1446
1004	=head3 cf::player	1447	=head3 cf::player
1005		1448
1006	=over 4	1449	=over 4
		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
1007		1464
1008	=item cf::player::find $login	1465	=item cf::player::find $login
1009		1466
1010	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1011		1468
…		…
1030		1487
1031	sub exists($) {	1488	sub exists($) {
1032	my ($login) = @_;	1489	my ($login) = @_;
1033		1490
1034	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1036	}	1493	}
1037		1494
1038	sub find($) {	1495	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1497	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1507	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1508
1052	my $pl = load_pl path $login	1509	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1055	}	1518	}
1056	}	1519	}
1057	}	1520	}
1058		1521
…		…
1067	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1068		1531
1069	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1071		1534
		1535	cf::get_slot 0.01;
		1536
1072	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1073	Coro::cede;	1538	cf::cede_to_tick;
1074	}	1539	}
1075		1540
1076	sub new($) {	1541	sub new($) {
1077	my ($login) = @_;	1542	my ($login) = @_;
1078		1543
…		…
1084	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1085		1550
1086	$self	1551	$self
1087	}	1552	}
1088		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1089	=item $pl->quit_character	1564	=item $pl->quit_character
1090		1565
1091	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1093		1568
…		…
1097	my ($pl) = @_;	1572	my ($pl) = @_;
1098		1573
1099	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1100		1575
1101	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1578
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1108		1585
1109	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1623	or return [];
1147		1624
1148	my @logins;	1625	my @logins;
1149		1626
1150	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1154		1637
1155	utf8::decode $login;	1638	utf8::decode $login;
1156	push @logins, $login;	1639	push @logins, $login;
1157	}	1640	}
1158		1641
…		…
1185	}	1668	}
1186		1669
1187	\@paths	1670	\@paths
1188	}	1671	}
1189		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1190	=item $player->ext_reply ($msgid, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1191		1678
1192	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1193		1680
1194	=cut	1681	=cut
1195		1682
1196	sub ext_reply($$%) {	1683	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1198		1685
1199	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1687	}
1203		1688
1204	=item $player->ext_event ($type, %msg)	1689	=item $player->ext_msg ($type, @msg)
1205		1690
1206	Sends an ext event to the client.	1691	Sends an ext event to the client.
1207		1692
1208	=cut	1693	=cut
1209		1694
1210	sub ext_event($$%) {	1695	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1696	my ($self, $type, @msg) = @_;
1212		1697
1213	$self->ns->ext_event ($type, %msg);	1698	$self->ns->ext_msg ($type, @msg);
1214	}	1699	}
1215		1700
1216	=head3 cf::region	1701	=head3 cf::region
1217		1702
1218	=over 4	1703	=over 4
…		…
1221		1706
1222	package cf::region;	1707	package cf::region;
1223		1708
1224	=item cf::region::find_by_path $path	1709	=item cf::region::find_by_path $path
1225		1710
1226	Tries to decuce the probable region for a map knowing only its path.	1711	Tries to decuce the likely region for a map knowing only its path.
1227		1712
1228	=cut	1713	=cut
1229		1714
1230	sub find_by_path($) {	1715	sub find_by_path($) {
1231	my ($path) = @_;	1716	my ($path) = @_;
1232		1717
1233	my ($match, $specificity);	1718	my ($match, $specificity);
1234		1719
1235	for my $region (list) {	1720	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1721	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1722	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1723	if $region->specificity > $specificity;
1239	}	1724	}
1240	}	1725	}
1241		1726
…		…
1262	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1264		1749
1265	sub generate_random_map {	1750	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1267	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1756	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1362	return $self;	1850	return $self;
1363	}	1851	}
1364	}	1852	}
1365		1853
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1855	()
1368	}	1856	}
1369		1857
1370	sub init {	1858	sub init {
1371	my ($self) = @_;	1859	my ($self) = @_;
…		…
1393		1881
1394	# the temporary/swap location	1882	# the temporary/swap location
1395	sub save_path {	1883	sub save_path {
1396	my ($self) = @_;	1884	my ($self) = @_;
1397		1885
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1400	}	1888	}
1401		1889
1402	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1403	sub uniq_path {	1891	sub uniq_path {
1404	my ($self) = @_;	1892	my ($self) = @_;
1405		1893
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1896	}
1418		1897
1419	sub decay_objects {	1898	sub decay_objects {
1420	my ($self) = @_;	1899	my ($self) = @_;
1421		1900
…		…
1434		1913
1435	sub load_header_from($) {	1914	sub load_header_from($) {
1436	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1437		1916
1438	utf8::encode $path;	1917	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1919	or return;
		1920
		1921	$self->_load_header ($f)
		1922	or return;
		1923
		1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
1444		1926
1445	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1446		1928
1447	1	1929	1
1448	}	1930	}
…		…
1502	sub find {	1984	sub find {
1503	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1504		1986
1505	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1506		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1508		1991
1509	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1512	or return;	1994	or return;
1513		1995
1514	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1515		1997
…		…
1517	or return;	1999	or return;
1518		2000
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1522	$map->reset;	2006	$map->reset;
1523	undef $guard;
1524	return find $path;	2007	return find $path;
1525	}	2008	}
1526		2009
1527	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1528	}	2011	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1538		2021
1539	my $path = $self->{path};	2022	my $path = $self->{path};
1540		2023
1541	{	2024	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1543		2026
		2027	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2029
1546	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1547		2031
1548	$self->alloc;	2032	$self->alloc;
1549		2033
1550	$self->pre_load;	2034	$self->pre_load;
1551	Coro::cede;	2035	cf::cede_to_tick;
1552		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2039	$self->_load_objects ($f)
1554	or return;	2040	or return;
1555		2041
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1557	if delete $self->{load_original};	2043	if delete $self->{load_original};
1558		2044
1559	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2046	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2049	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1564	}	2053	}
1565	}	2054	}
1566		2055
1567	Coro::cede;	2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1568	# now do the right thing for maps	2059	# now do the right thing for maps
1569	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2062	unless $self->difficulty;
1572	Coro::cede;	2063	cf::cede_to_tick;
1573		2064
1574	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2066	$self->decay_objects;
1576	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1577	$self->update_buttons;	2068	$self->update_buttons;
1578	Coro::cede;	2069	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2070	$self->activate;
1582	}	2071	}
1583		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2077	}
1586		2078
1587	$self->post_load;	2079	$self->post_load;
1588	}	2080	}
1589		2081
…		…
1598		2090
1599	$self	2091	$self
1600	}	2092	}
1601		2093
1602	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2095	sub load_neighbours {
1604	my ($map) = @_;	2096	my ($map) = @_;
1605		2097
1606	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1607		2099
1608	for (0 .. 3) {	2100	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1610	or next;	2102	or next;
1611	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1612	or next;	2104	or next;
1613	$neigh->load;	2105	$neigh->load;
1614		2106
		2107	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2110	}
1618		2111
1619	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1621	or next;	2115	or next;
1622	$neigh->load;	2116	$neigh->load;
1623	}	2117	}
1624	}	2118	}
1625		2119
…		…
1630	}	2124	}
1631		2125
1632	sub do_load_sync {	2126	sub do_load_sync {
1633	my ($map) = @_;	2127	my ($map) = @_;
1634		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1635	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1636	}	2133	}
1637		2134
1638	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1640		2137
1641	sub find_async {	2138	sub find_async {
1642	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1643		2140
1644	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1645		2142
1646	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2145	}
1649		2146
1650	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1651	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1652	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2154	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2155	$map->load if $v;
		2156	}
1657		2157
1658	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1659	}	2159	}
1660	}	2160	}
1661	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1662	};	2162	};
1663	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2166	}
1667		2167
1668	sub save {	2168	sub save {
1669	my ($self) = @_;	2169	my ($self) = @_;
1670		2170
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2172
1673	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1674		2174
1675	return unless $self->dirty;	2175	return unless $self->dirty;
1676		2176
…		…
1682	return if $self->{deny_save};	2182	return if $self->{deny_save};
1683		2183
1684	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1685		2185
1686	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1688	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1689		2192
1690	if ($uniq) {	2193	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2196	} else {
…		…
1699	my ($self) = @_;	2202	my ($self) = @_;
1700		2203
1701	# save first because save cedes	2204	# save first because save cedes
1702	$self->save;	2205	$self->save;
1703		2206
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2208
1706	return if $self->players;	2209	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2211	return if $self->{deny_save};
1709		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2217	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2218	}
1713		2219
1714	sub reset_at {	2220	sub reset_at {
1715	my ($self) = @_;	2221	my ($self) = @_;
1716		2222
…		…
1734		2240
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2242
1737	return if $self->players;	2243	return if $self->players;
1738		2244
1739	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
1740		2246
1741	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1742		2248
1743	# need to save uniques path	2249	# need to save uniques path
1744	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2254	if $uniq;
1749	}	2255	}
1750		2256
1751	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1752		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2261	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2262
1757	$self->unlink_save;	2263	$self->unlink_save;
1758	$self->destroy;	2264	$self->destroy;
1759	}	2265	}
1760		2266
1761	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1762		2268
1763	sub nuke {	2269	sub nuke {
1764	my ($self) = @_;	2270	my ($self) = @_;
1765		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1766	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1767		2276
1768	$self->unlink_save;	2277	$self->unlink_save;
1769		2278
1770	bless $self, "cf::map";	2279	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2284
1776	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1777		2287
1778	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1779	}	2289	}
1780		2290
1781	=item $maps = cf::map::tmp_maps	2291	=item $maps = cf::map::tmp_maps
1782		2292
1783	Returns an arrayref with all map paths of currently instantiated and saved	2293	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2294	maps. May block.
1785		2295
1786	=cut	2296	=cut
1787		2297
1788	sub tmp_maps() {	2298	sub tmp_maps() {
1789	[	2299	[
1790	map {	2300	map {
1791	utf8::decode $_;	2301	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2302	/\.map$/
1793	? normalise $_	2303	? normalise $_
1794	: ()	2304	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2305	} @{ aio_readdir $TMPDIR or [] }
1796	]	2306	]
1797	}	2307	}
1798		2308
		2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
		2325	}
		2326
1799	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1800		2328
1801	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2330	instantiated unique items. May block.
1803		2331
…		…
1805		2333
1806	sub unique_maps() {	2334	sub unique_maps() {
1807	[	2335	[
1808	map {	2336	map {
1809	utf8::decode $_;	2337	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
1811	? normalise $_	2341	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2343	]
1815	}	2344	}
1816		2345
1817	package cf;
1818
1819	=back	2346	=back
1820		2347
1821	=head3 cf::object	2348	=head3 cf::object
1822		2349
1823	=cut	2350	=cut
…		…
1826		2353
1827	=over 4	2354	=over 4
1828		2355
1829	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1830		2357
1831	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1832		2360
1833	=cut	2361	=cut
1834		2362
1835	sub inv_recursive_;	2363	sub inv_recursive_;
1836	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1839		2367
1840	sub inv_recursive {	2368	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1842	}	2370	}
1843		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1844	package cf;	2400	package cf;
1845		2401
1846	=back	2402	=back
1847		2403
1848	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1857		2413
1858	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1859		2429
1860	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2431	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1865		2435
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2437
1868	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1870	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1873	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1874	}	2463	}
1875		2464
1876	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1877		2466
1878	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1891		2480
1892	=item $player_object->enter_link	2481	=item $player_object->enter_link
1893		2482
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2484
1896	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
1898		2489
1899	Will never block.	2490	Will never block.
1900		2491
1901	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1902		2493
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1960		2551
1961	$map->load;	2552	$map->load;
1962	$map->load_diag;	2553	$map->load_neighbours;
1963		2554
1964	return unless $self->contr->active;	2555	return unless $self->contr->active;
1965	$self->activate_recursive;
1966		2556
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1969	}
1970		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
		2562	}
		2563
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2565
1973	Moves the player to the given map-path and coordinates by first freezing	2566	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2568	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2569	the new (success) or old (failed) map position. In either case, $done will
		2570	be called at the end of this process.
		2571
		2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
1977		2574
1978	=cut	2575	=cut
1979		2576
1980	our $GOTOGEN;	2577	our $GOTOGEN;
1981		2578
1982	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2581
1985	# do generation counting so two concurrent goto's will be executed in-order	2582	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2584
1988	$self->enter_link;	2585	$self->enter_link;
1989		2586
1990	(async {	2587	(async {
		2588	$Coro::current->{desc} = "player::goto $path $x $y";
		2589
		2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
1991	my $map = eval {	2609	my $map = eval {
1992	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
1993		2611
1994	if ($map) {	2612	if ($map) {
1995	$map = $map->customise_for ($self);	2613	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2614	$map = $check->($map) if $check && $map;
1997	} else {	2615	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2617	}
2000		2618
2001	$map	2619	$map
2002	};	2620	};
2003		2621
…		…
2008		2626
2009	if ($gen == $self->{_goto_generation}) {	2627	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2628	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
2012	}	2630	}
		2631
		2632	$done->() if $done;
2013	})->prio (1);	2633	})->prio (1);
2014	}	2634	}
2015		2635
2016	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
2017		2637
…		…
2037	}	2657	}
2038		2658
2039	sub prepare_random_map {	2659	sub prepare_random_map {
2040	my ($exit) = @_;	2660	my ($exit) = @_;
2041		2661
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2664	# that depends on the exit object
2047		2665
2048	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2668	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2055	}	2675	}
2056		2676
2057	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2058		2678
2059	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2062		2682
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2685	undef $fh;
2066	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2067		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2070	}	2694	}
2071	}	2695	}
2072		2696
2073	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2075		2699
2076	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2077		2701
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2702	$self->enter_link;
2090		2703
2091	(async {	2704	(async {
2092	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
2093	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
2094	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2095		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
2096	1;	2728	1
2097	}) {	2729	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2102		2734
2103	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2122		2754
2123	utf8::encode $text;	2755	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2757	}
2126		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
		2776	"c/identify" => {
		2777	id => "infobox",
		2778	title => "Identify",
		2779	reply => undef,
		2780	tooltip => "Items recently identified",
		2781	},
		2782	"c/examine" => {
		2783	id => "infobox",
		2784	title => "Examine",
		2785	reply => undef,
		2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/book" => {
		2789	id => "infobox",
		2790	title => "Book",
		2791	reply => undef,
		2792	tooltip => "The contents of a note or book",
		2793	},
		2794	"c/lookat" => {
		2795	id => "infobox",
		2796	title => "Look",
		2797	reply => undef,
		2798	tooltip => "What you saw there",
		2799	},
		2800	"c/who" => {
		2801	id => "infobox",
		2802	title => "Players",
		2803	reply => undef,
		2804	tooltip => "Shows players who are currently online",
		2805	},
		2806	"c/body" => {
		2807	id => "infobox",
		2808	title => "Body Parts",
		2809	reply => undef,
		2810	tooltip => "Shows which body parts you posess and are available",
		2811	},
		2812	"c/statistics" => {
		2813	id => "infobox",
		2814	title => "Statistics",
		2815	reply => undef,
		2816	tooltip => "Shows your primary statistics",
		2817	},
		2818	"c/skills" => {
		2819	id => "infobox",
		2820	title => "Skills",
		2821	reply => undef,
		2822	tooltip => "Shows your experience per skill and item power",
		2823	},
		2824	"c/shopitems" => {
		2825	id => "infobox",
		2826	title => "Shop Items",
		2827	reply => undef,
		2828	tooltip => "Shows the items currently for sale in this shop",
		2829	},
		2830	"c/resistances" => {
		2831	id => "infobox",
		2832	title => "Resistances",
		2833	reply => undef,
		2834	tooltip => "Shows your resistances",
		2835	},
		2836	"c/pets" => {
		2837	id => "infobox",
		2838	title => "Pets",
		2839	reply => undef,
		2840	tooltip => "Shows information abotu your pets/a specific pet",
		2841	},
		2842	"c/perceiveself" => {
		2843	id => "infobox",
		2844	title => "Perceive Self",
		2845	reply => undef,
		2846	tooltip => "You gained detailed knowledge about yourself",
		2847	},
		2848	"c/uptime" => {
		2849	id => "infobox",
		2850	title => "Uptime",
		2851	reply => undef,
		2852	tooltip => "How long the server has been running since last restart",
		2853	},
		2854	"c/mapinfo" => {
		2855	id => "infobox",
		2856	title => "Map Info",
		2857	reply => undef,
		2858	tooltip => "Information related to the maps",
		2859	},
		2860	"c/party" => {
		2861	id => "party",
		2862	title => "Party",
		2863	reply => "gsay ",
		2864	tooltip => "Messages and chat related to your party",
		2865	},
		2866	"c/death" => {
		2867	id => "death",
		2868	title => "Death",
		2869	reply => undef,
		2870	tooltip => "Reason for and more info about your most recent death",
		2871	},
		2872	"c/say" => $SAY_CHANNEL,
		2873	"c/chat" => $CHAT_CHANNEL,
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg)
		2880	unless $color & cf::NDI_VERBATIM;
		2881
		2882	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2883
		2884	# check predefined channels, for the benefit of C
		2885	if ($CHANNEL{$channel}) {
		2886	$channel = $CHANNEL{$channel};
		2887
		2888	$self->ext_msg (channel_info => $channel);
		2889	$channel = $channel->{id};
		2890
		2891	} elsif (ref $channel) {
		2892	# send meta info to client, if not yet sent
		2893	unless (exists $self->{channel}{$channel->{id}}) {
		2894	$self->{channel}{$channel->{id}} = $channel;
		2895	$self->ext_msg (channel_info => $channel);
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	my $pkt = "msg "
		2908	. $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2910	);
		2911
		2912	# try lzf for large packets
		2913	$pkt = "lzf " . Compress::LZF::compress $pkt
		2914	if 1024 <= length $pkt and $self->{can_lzf};
		2915
		2916	# split very large packets
		2917	if (8192 < length $pkt and $self->{can_lzf}) {
		2918	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2919	$pkt = "frag";
		2920	}
		2921
		2922	$self->send_packet ($pkt);
		2923	}
		2924
2127	=item $client->ext_event ($type, %msg)	2925	=item $client->ext_msg ($type, @msg)
2128		2926
2129	Sends an exti event to the client.	2927	Sends an ext event to the client.
2130		2928
2131	=cut	2929	=cut
2132		2930
2133	sub cf::client::ext_event($$%) {	2931	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2932	my ($self, $type, @msg) = @_;
2135		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2936	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2937	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2938	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2939	}
		2940	}
		2941
		2942	=item $client->ext_reply ($msgid, @msg)
		2943
		2944	Sends an ext reply to the client.
		2945
		2946	=cut
		2947
		2948	sub cf::client::ext_reply($$@) {
		2949	my ($self, $id, @msg) = @_;
		2950
		2951	if ($self->extcmd == 2) {
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2953	} elsif ($self->extcmd == 1) {
		2954	#TODO: version 1, remove
		2955	unshift @msg, msgtype => "reply", msgid => $id;
		2956	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2957	}
2138	}	2958	}
2139		2959
2140	=item $success = $client->query ($flags, "text", \&cb)	2960	=item $success = $client->query ($flags, "text", \&cb)
2141		2961
2142	Queues a query to the client, calling the given callback with	2962	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2963	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2964	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2965
2146	Queries can fail, so check the return code. Or don't, as queries will become	2966	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2967	become reliable at some point in the future.
2148		2968
2149	=cut	2969	=cut
2150		2970
2151	sub cf::client::query {	2971	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2972	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2980	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2981	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2982
2163	$self->send_packet ($self->{query_queue}[0][0])	2983	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2984	if @{ $self->{query_queue} } == 1;
		2985
		2986	1
2165	}	2987	}
2166		2988
2167	cf::client->attach (	2989	cf::client->attach (
		2990	on_connect => sub {
		2991	my ($ns) = @_;
		2992
		2993	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2994	},
2168	on_reply => sub {	2995	on_reply => sub {
2169	my ($ns, $msg) = @_;	2996	my ($ns, $msg) = @_;
2170		2997
2171	# this weird shuffling is so that direct followup queries	2998	# this weird shuffling is so that direct followup queries
2172	# get handled first	2999	# get handled first
…		…
2184	} else {	3011	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3012	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3013	}
2187	}	3014	}
2188	},	3015	},
		3016	on_exticmd => sub {
		3017	my ($ns, $buf) = @_;
		3018
		3019	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3020
		3021	if (ref $msg) {
		3022	my ($type, $reply, @payload) =
		3023	"ARRAY" eq ref $msg
		3024	? @$msg
		3025	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3026
		3027	my @reply;
		3028
		3029	if (my $cb = $EXTICMD{$type}) {
		3030	@reply = $cb->($ns, @payload);
		3031	}
		3032
		3033	$ns->ext_reply ($reply, @reply)
		3034	if $reply;
		3035
		3036	} else {
		3037	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3038	}
		3039
		3040	cf::override;
		3041	},
2189	);	3042	);
2190		3043
2191	=item $client->async (\&cb)	3044	=item $client->async (\&cb)
2192		3045
2193	Create a new coroutine, running the specified callback. The coroutine will	3046	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3087	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3088	our $safe_hole = new Safe::Hole;
2236		3089
2237	$SIG{FPE} = 'IGNORE';	3090	$SIG{FPE} = 'IGNORE';
2238		3091
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3092	$safe->permit_only (Opcode::opset qw(
		3093	:base_core :base_mem :base_orig :base_math
		3094	grepstart grepwhile mapstart mapwhile
		3095	sort time
		3096	));
2240		3097
2241	# here we export the classes and methods available to script code	3098	# here we export the classes and methods available to script code
2242		3099
2243	=pod	3100	=pod
2244		3101
2245	The following functions and methods are available within a safe environment:	3102	The following functions and methods are available within a safe environment:
2246		3103
2247	cf::object contr pay_amount pay_player map	3104	cf::object
		3105	contr pay_amount pay_player map x y force_find force_add destroy
		3106	insert remove name archname title slaying race decrease split
		3107	value
		3108
2248	cf::object::player player	3109	cf::object::player
2249	cf::player peaceful	3110	player
2250	cf::map trigger	3111
		3112	cf::player
		3113	peaceful
		3114
		3115	cf::map
		3116	trigger
2251		3117
2252	=cut	3118	=cut
2253		3119
2254	for (	3120	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3121	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3122	insert remove inv nrof name archname title slaying race
		3123	decrease split destroy change_exp value msg lore send_msg)],
2256	["cf::object::player" => qw(player)],	3124	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3125	["cf::player" => qw(peaceful send_msg)],
2258	["cf::map" => qw(trigger)],	3126	["cf::map" => qw(trigger)],
2259	) {	3127	) {
2260	no strict 'refs';	3128	no strict 'refs';
2261	my ($pkg, @funs) = @$_;	3129	my ($pkg, @funs) = @$_;
2262	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3130	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2279	my ($code, %vars) = @_;	3147	my ($code, %vars) = @_;
2280		3148
2281	my $qcode = $code;	3149	my $qcode = $code;
2282	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3150	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2283	$qcode =~ s/\n/\\n/g;	3151	$qcode =~ s/\n/\\n/g;
		3152
		3153	%vars = (_dummy => 0) unless %vars;
2284		3154
2285	local $_;	3155	local $_;
2286	local @safe::cf::_safe_eval_args = values %vars;	3156	local @safe::cf::_safe_eval_args = values %vars;
2287		3157
2288	my $eval =	3158	my $eval =
…		…
2331	=back	3201	=back
2332		3202
2333	=cut	3203	=cut
2334		3204
2335	#############################################################################	3205	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3206	# the server's init and main functions
2509		3207
2510	sub load_facedata($) {	3208	sub load_facedata($) {
2511	my ($path) = @_;	3209	my ($path) = @_;
		3210
		3211	# HACK to clear player env face cache, we need some signal framework
		3212	# for this (global event?)
		3213	%ext::player_env::MUSIC_FACE_CACHE = ();
		3214
		3215	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3216
2513	warn "loading facedata from $path\n";	3217	warn "loading facedata from $path\n";
2514		3218
2515	my $facedata;	3219	my $facedata;
2516	0 < aio_load $path, $facedata	3220	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3223	$facedata = Coro::Storable::thaw $facedata;
2520		3224
2521	$facedata->{version} == 2	3225	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3226	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3227
		3228	# patch in the exptable
		3229	$facedata->{resource}{"res/exp_table"} = {
		3230	type => FT_RSRC,
		3231	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3232	};
		3233	cf::cede_to_tick;
		3234
2524	{	3235	{
2525	my $faces = $facedata->{faceinfo};	3236	my $faces = $facedata->{faceinfo};
2526		3237
2527	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3239	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3240
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3241	cf::face::set_visibility $idx, $info->{visibility};
		3242	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3243	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3244	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3245
		3246	cf::cede_to_tick;
2533	}	3247	}
2534		3248
2535	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3250	next unless $info->{smooth};
		3251
2537	my $idx = cf::face::find $face	3252	my $idx = cf::face::find $face
2538	or next;	3253	or next;
		3254
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3255	if (my $smooth = cf::face::find $info->{smooth}) {
		3256	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3257	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3258	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3259	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3260	}
2544	Coro::cede;	3261
		3262	cf::cede_to_tick;
2545	}	3263	}
2546	}	3264	}
2547		3265
2548	{	3266	{
2549	my $anims = $facedata->{animinfo};	3267	my $anims = $facedata->{animinfo};
2550		3268
2551	while (my ($anim, $info) = each %$anims) {	3269	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3270	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3271	cf::cede_to_tick;
2554	}	3272	}
2555		3273
2556	cf::anim::invalidate_all; # d'oh	3274	cf::anim::invalidate_all; # d'oh
2557	}	3275	}
2558		3276
		3277	{
		3278	# TODO: for gcfclient pleasure, we should give resources
		3279	# that gcfclient doesn't grok a >10000 face index.
		3280	my $res = $facedata->{resource};
		3281
		3282	while (my ($name, $info) = each %$res) {
		3283	if (defined $info->{type}) {
		3284	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3285	my $data;
		3286
		3287	if ($info->{type} & 1) {
		3288	# prepend meta info
		3289
		3290	my $meta = $enc->encode ({
		3291	name => $name,
		3292	%{ $info->{meta} || {} },
		3293	});
		3294
		3295	$data = pack "(w/a*)*", $meta, $info->{data};
		3296	} else {
		3297	$data = $info->{data};
		3298	}
		3299
		3300	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3301	cf::face::set_type $idx, $info->{type};
		3302	} else {
		3303	$RESOURCE{$name} = $info;
		3304	}
		3305
		3306	cf::cede_to_tick;
		3307	}
		3308	}
		3309
		3310	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3311
2559	1	3312	1
2560	}	3313	}
2561		3314
		3315	cf::global->attach (on_resource_update => sub {
		3316	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3317	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3318
		3319	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3320	my $sound = $soundconf->{compat}[$_]
		3321	or next;
		3322
		3323	my $face = cf::face::find "sound/$sound->[1]";
		3324	cf::sound::set $sound->[0] => $face;
		3325	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3326	}
		3327
		3328	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3329	my $face = cf::face::find "sound/$v";
		3330	cf::sound::set $k => $face;
		3331	}
		3332	}
		3333	});
		3334
		3335	register_exticmd fx_want => sub {
		3336	my ($ns, $want) = @_;
		3337
		3338	while (my ($k, $v) = each %$want) {
		3339	$ns->fx_want ($k, $v);
		3340	}
		3341	};
		3342
		3343	sub load_resource_file($) {
		3344	my $guard = lock_acquire "load_resource_file";
		3345
		3346	my $status = load_resource_file_ $_[0];
		3347	get_slot 0.1, 100;
		3348	cf::arch::commit_load;
		3349
		3350	$status
		3351	}
		3352
2562	sub reload_regions {	3353	sub reload_regions {
		3354	# HACK to clear player env face cache, we need some signal framework
		3355	# for this (global event?)
		3356	%ext::player_env::MUSIC_FACE_CACHE = ();
		3357
2563	load_resource_file "$MAPDIR/regions"	3358	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3359	or die "unable to load regions file\n";
		3360
		3361	for (cf::region::list) {
		3362	$_->{match} = qr/$_->{match}/
		3363	if exists $_->{match};
		3364	}
2565	}	3365	}
2566		3366
2567	sub reload_facedata {	3367	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3368	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3369	or die "unable to load facedata\n";
…		…
2580	}	3380	}
2581		3381
2582	sub reload_resources {	3382	sub reload_resources {
2583	warn "reloading resource files...\n";	3383	warn "reloading resource files...\n";
2584		3384
		3385	reload_facedata;
		3386	reload_archetypes;
2585	reload_regions;	3387	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3388	reload_treasures;
2590		3389
2591	warn "finished reloading resource files\n";	3390	warn "finished reloading resource files\n";
2592	}	3391	}
2593		3392
2594	sub init {	3393	sub reload_config {
2595	reload_resources;	3394	warn "reloading config file...\n";
2596	}
2597		3395
2598	sub cfg_load {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3397	or return;
2601		3398
2602	local $/;	3399	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::XS::Load scalar <$fh>;
2604		3401
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3403
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2612	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3409	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2613	and die "WARNING: m(un)lockall failed: $!\n";	3410	and die "WARNING: m(un)lockall failed: $!\n";
2614	};	3411	};
2615	warn $@ if $@;	3412	warn $@ if $@;
2616	}	3413	}
		3414
		3415	warn "finished reloading resource files\n";
		3416	}
		3417
		3418	sub pidfile() {
		3419	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3420	or die "$PIDFILE: $!";
		3421	flock $fh, &Fcntl::LOCK_EX
		3422	or die "$PIDFILE: flock: $!";
		3423	$fh
		3424	}
		3425
		3426	# make sure only one server instance is running at any one time
		3427	sub atomic {
		3428	my $fh = pidfile;
		3429
		3430	my $pid = <$fh>;
		3431	kill 9, $pid if $pid > 0;
		3432
		3433	seek $fh, 0, 0;
		3434	print $fh $$;
		3435	}
		3436
		3437	sub main_loop {
		3438	warn "EV::loop starting\n";
		3439	if (1) {
		3440	EV::loop;
		3441	}
		3442	warn "EV::loop returned\n";
		3443	goto &main_loop unless $REALLY_UNLOOP;
2617	}	3444	}
2618		3445
2619	sub main {	3446	sub main {
		3447	cf::init_globals; # initialise logging
		3448
		3449	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3450	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3451	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3452	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3453
		3454	cf::init_experience;
		3455	cf::init_anim;
		3456	cf::init_attackmess;
		3457	cf::init_dynamic;
		3458
		3459	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3460
2620	# we must not ever block the main coroutine	3461	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3462	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3463	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3464	(async {
2624	Event::one_event;	3465	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3466	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3467	})->prio (Coro::PRIO_MAX);
2626	};	3468	};
2627		3469
2628	cfg_load;	3470	evthread_start IO::AIO::poll_fileno;
		3471
		3472	cf::sync_job {
		3473	reload_resources;
		3474	reload_config;
2629	db_init;	3475	db_init;
		3476
		3477	cf::load_settings;
		3478	cf::load_materials;
		3479	cf::init_uuid;
		3480	cf::init_signals;
		3481	cf::init_commands;
		3482	cf::init_skills;
		3483
		3484	cf::init_beforeplay;
		3485
		3486	atomic;
		3487
2630	load_extensions;	3488	load_extensions;
2631		3489
2632	$TICK_WATCHER->start;	3490	utime time, time, $RUNTIMEFILE;
2633	Event::loop;	3491
		3492	# no (long-running) fork's whatsoever before this point(!)
		3493	use POSIX ();
		3494	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3495
		3496	(pop @POST_INIT)->(0) while @POST_INIT;
		3497	};
		3498
		3499	main_loop;
2634	}	3500	}
2635		3501
2636	#############################################################################	3502	#############################################################################
2637	# initialisation and cleanup	3503	# initialisation and cleanup
2638		3504
2639	# install some emergency cleanup handlers	3505	# install some emergency cleanup handlers
2640	BEGIN {	3506	BEGIN {
		3507	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3508	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3509	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3510	cf::cleanup "SIG$signal";
2649	},
2650	);	3511	};
		3512	}
		3513	}
		3514
		3515	sub write_runtime_sync {
		3516	# first touch the runtime file to show we are still running:
		3517	# the fsync below can take a very very long time.
		3518
		3519	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3520
		3521	my $guard = cf::lock_acquire "write_runtime";
		3522
		3523	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3524	or return;
		3525
		3526	my $value = $cf::RUNTIME + 90 + 10;
		3527	# 10 is the runtime save interval, for a monotonic clock
		3528	# 60 allows for the watchdog to kill the server.
		3529
		3530	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3531	and return;
		3532
		3533	# always fsync - this file is important
		3534	aio_fsync $fh
		3535	and return;
		3536
		3537	# touch it again to show we are up-to-date
		3538	aio_utime $fh, undef, undef;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3544	and return;
		3545
		3546	warn "runtime file written.\n";
		3547
2651	}	3548	1
		3549	}
		3550
		3551	our $uuid_lock;
		3552	our $uuid_skip;
		3553
		3554	sub write_uuid_sync($) {
		3555	$uuid_skip ||= $_[0];
		3556
		3557	return if $uuid_lock;
		3558	local $uuid_lock = 1;
		3559
		3560	my $uuid = "$LOCALDIR/uuid";
		3561
		3562	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3563	or return;
		3564
		3565	my $value = uuid_seq uuid_cur;
		3566
		3567	unless ($value) {
		3568	warn "cowardly refusing to write zero uuid value!\n";
		3569	return;
		3570	}
		3571
		3572	my $value = uuid_str $value + $uuid_skip;
		3573	$uuid_skip = 0;
		3574
		3575	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3576	and return;
		3577
		3578	# always fsync - this file is important
		3579	aio_fsync $fh
		3580	and return;
		3581
		3582	close $fh
		3583	or return;
		3584
		3585	aio_rename "$uuid~", $uuid
		3586	and return;
		3587
		3588	warn "uuid file written ($value).\n";
		3589
		3590	1
		3591
		3592	}
		3593
		3594	sub write_uuid($$) {
		3595	my ($skip, $sync) = @_;
		3596
		3597	$sync ? write_uuid_sync $skip
		3598	: async { write_uuid_sync $skip };
2652	}	3599	}
2653		3600
2654	sub emergency_save() {	3601	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3602	my $freeze_guard = cf::freeze_mainloop;
2656		3603
2657	warn "enter emergency perl save\n";	3604	warn "emergency_perl_save: enter\n";
2658		3605
2659	cf::sync_job {	3606	cf::sync_job {
		3607	# this is a trade-off: we want to be very quick here, so
		3608	# save all maps without fsync, and later call a global sync
		3609	# (which in turn might be very very slow)
		3610	local $USE_FSYNC = 0;
		3611
2660	# use a peculiar iteration method to avoid tripping on perl	3612	# use a peculiar iteration method to avoid tripping on perl
2661	# refcount bugs in for. also avoids problems with players	3613	# refcount bugs in for. also avoids problems with players
2662	# and maps saved/destroyed asynchronously.	3614	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3615	warn "emergency_perl_save: begin player save\n";
2664	for my $login (keys %cf::PLAYER) {	3616	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3617	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3618	$pl->valid or next;
		3619	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3620	$pl->save;
2668	}	3621	}
2669	warn "end emergency player save\n";	3622	warn "emergency_perl_save: end player save\n";
2670		3623
2671	warn "begin emergency map save\n";	3624	warn "emergency_perl_save: begin map save\n";
2672	for my $path (keys %cf::MAP) {	3625	for my $path (keys %cf::MAP) {
2673	my $map = $cf::MAP{$path} or next;	3626	my $map = $cf::MAP{$path} or next;
2674	$map->valid or next;	3627	$map->valid or next;
2675	$map->save;	3628	$map->save;
2676	}	3629	}
2677	warn "end emergency map save\n";	3630	warn "emergency_perl_save: end map save\n";
2678		3631
2679	warn "begin emergency database checkpoint\n";	3632	warn "emergency_perl_save: begin database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3633	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3634	warn "emergency_perl_save: end database checkpoint\n";
		3635
		3636	warn "emergency_perl_save: begin write uuid\n";
		3637	write_uuid_sync 1;
		3638	warn "emergency_perl_save: end write uuid\n";
2682	};	3639	};
2683		3640
		3641	warn "emergency_perl_save: starting sync()\n";
		3642	IO::AIO::aio_sync sub {
		3643	warn "emergency_perl_save: finished sync()\n";
		3644	};
		3645
2684	warn "leave emergency perl save\n";	3646	warn "emergency_perl_save: leave\n";
2685	}	3647	}
2686		3648
2687	sub post_cleanup {	3649	sub post_cleanup {
2688	my ($make_core) = @_;	3650	my ($make_core) = @_;
2689		3651
2690	warn Carp::longmess "post_cleanup backtrace"	3652	warn Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3653	if $make_core;
		3654
		3655	my $fh = pidfile;
		3656	unlink $PIDFILE if <$fh> == $$;
		3657	}
		3658
		3659	# a safer delete_package, copied from Symbol
		3660	sub clear_package($) {
		3661	my $pkg = shift;
		3662
		3663	# expand to full symbol table name if needed
		3664	unless ($pkg =~ /^main::.*::$/) {
		3665	$pkg = "main$pkg" if $pkg =~ /^::/;
		3666	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3667	$pkg .= '::' unless $pkg =~ /::$/;
		3668	}
		3669
		3670	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3671	my $stem_symtab = *{$stem}{HASH};
		3672
		3673	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3674	or return;
		3675
		3676	# clear all symbols
		3677	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3678	for my $name (keys %$leaf_symtab) {
		3679	_gv_clear *{"$pkg$name"};
		3680	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3681	}
		3682	warn "cleared package $pkg\n";#d#
2692	}	3683	}
2693		3684
2694	sub do_reload_perl() {	3685	sub do_reload_perl() {
2695	# can/must only be called in main	3686	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	3687	if ($Coro::current != $Coro::main) {
2697	warn "can only reload from main coroutine";	3688	warn "can only reload from main coroutine";
2698	return;	3689	return;
2699	}	3690	}
2700		3691
		3692	return if $RELOAD++;
		3693
		3694	my $t1 = EV::time;
		3695
		3696	while ($RELOAD) {
2701	warn "reloading...";	3697	warn "reloading...";
2702		3698
2703	warn "entering sync_job";	3699	warn "entering sync_job";
2704		3700
2705	cf::sync_job {	3701	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark	3702	cf::write_runtime_sync; # external watchdog should not bark
2707	cf::emergency_save;	3703	cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark	3704	cf::write_runtime_sync; # external watchdog should not bark
2709		3705
2710	warn "syncing database to disk";	3706	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3707	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3708
2713	# if anything goes wrong in here, we should simply crash as we already saved	3709	# if anything goes wrong in here, we should simply crash as we already saved
2714		3710
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";	3711	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3712	while (IO::AIO::nreqs || BDB::nreqs) {
2726	warn "iterate...";	3713	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();
2734
2735	warn "removing commands";
2736	%COMMAND = ();
2737
2738	warn "removing ext commands";
2739	%EXTCMD = ();
2740
2741	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";
2744
2745	if (my $cb = $pkg->can ("unload")) {
2746	eval {
2747	$cb->($pkg);
2748	1
2749	} or warn "$pkg unloaded, but with errors: $@";
2750	}	3714	}
2751		3715
2752	warn "... nuking $pkg";	3716	warn "cancelling all extension coros";
2753	Symbol::delete_package $pkg;	3717	$_->cancel for values %EXT_CORO;
2754	}	3718	%EXT_CORO = ();
2755		3719
2756	warn "unloading all perl modules loaded from $LIBDIR";	3720	warn "removing commands";
2757	while (my ($k, $v) = each %INC) {	3721	%COMMAND = ();
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		3722
		3723	warn "removing ext/exti commands";
		3724	%EXTCMD = ();
		3725	%EXTICMD = ();
		3726
		3727	warn "unloading/nuking all extensions";
		3728	for my $pkg (@EXTS) {
2760	warn "... unloading $k";	3729	warn "... unloading $pkg";
2761	delete $INC{$k};
2762		3730
2763	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;
2765
2766	if (my $cb = $k->can ("unload_module")) {	3731	if (my $cb = $pkg->can ("unload")) {
		3732	eval {
2767	$cb->();	3733	$cb->($pkg);
		3734	1
		3735	} or warn "$pkg unloaded, but with errors: $@";
		3736	}
		3737
		3738	warn "... clearing $pkg";
		3739	clear_package $pkg;
2768	}	3740	}
2769		3741
2770	Symbol::delete_package $k;	3742	warn "unloading all perl modules loaded from $LIBDIR";
		3743	while (my ($k, $v) = each %INC) {
		3744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3745
		3746	warn "... unloading $k";
		3747	delete $INC{$k};
		3748
		3749	$k =~ s/\.pm$//;
		3750	$k =~ s/\//::/g;
		3751
		3752	if (my $cb = $k->can ("unload_module")) {
		3753	$cb->();
		3754	}
		3755
		3756	clear_package $k;
2771	}	3757	}
2772		3758
2773	warn "getting rid of safe::, as good as possible";	3759	warn "getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	3760	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		3762
2777	warn "unloading cf.pm \"a bit\"";	3763	warn "unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	3764	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	3765	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780		3766
2781	# don't, removes xs symbols, too,	3767	# don't, removes xs symbols, too,
2782	# and global variables created in xs	3768	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	3769	#clear_package __PACKAGE__;
2784		3770
2785	warn "unload completed, starting to reload now";	3771	warn "unload completed, starting to reload now";
2786		3772
2787	warn "reloading cf.pm";	3773	warn "reloading cf.pm";
2788	require cf;	3774	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3775	cf::_connect_to_perl_1;
2790		3776
2791	warn "loading config and database again";	3777	warn "loading config and database again";
2792	cf::cfg_load;	3778	cf::reload_config;
2793		3779
2794	warn "loading extensions";	3780	warn "loading extensions";
2795	cf::load_extensions;	3781	cf::load_extensions;
2796		3782
		3783	if ($REATTACH_ON_RELOAD) {
2797	warn "reattaching attachments to objects/players";	3784	warn "reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	3785	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	3786	warn "reattaching attachments to maps";
2800	reattach $_ for values %MAP;	3787	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	3788	warn "reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	3789	reattach $_ for values %PLAYER;
		3790	}
2803		3791
		3792	warn "running post_init jobs";
		3793	(pop @POST_INIT)->(1) while @POST_INIT;
		3794
2804	warn "leaving sync_job";	3795	warn "leaving sync_job";
2805		3796
2806	1	3797	1
2807	} or do {	3798	} or do {
2808	warn $@;	3799	warn $@;
2809	warn "error while reloading, exiting.";	3800	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3801	};
2812		3802
2813	warn "reloaded";	3803	warn "reloaded";
		3804	--$RELOAD;
		3805	}
		3806
		3807	$t1 = EV::time - $t1;
		3808	warn "reload completed in ${t1}s\n";
2814	};	3809	};
2815		3810
2816	our $RELOAD_WATCHER; # used only during reload	3811	our $RELOAD_WATCHER; # used only during reload
2817		3812
2818	sub reload_perl() {	3813	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3814	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3815	# coro crashes during coro_state_free->destroy here.
2821		3816
2822	$RELOAD_WATCHER ||= Event->timer (	3817	$RELOAD_WATCHER ||= cf::async {
2823	reentrant => 0,	3818	Coro::AIO::aio_wait cache_extensions;
2824	after => 0,	3819
2825	data => WF_AUTOCANCEL,	3820	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2826	cb => sub {
2827	do_reload_perl;	3821	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3822	undef $RELOAD_WATCHER;
2829	},	3823	};
2830	);	3824	};
2831	}	3825	}
2832		3826
2833	register_command "reload" => sub {	3827	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3828	my ($who, $arg) = @_;
2835		3829
2836	if ($who->flag (FLAG_WIZ)) {	3830	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3831	$who->message ("reloading server.");
		3832	async {
		3833	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3834	reload_perl;
		3835	};
2839	}	3836	}
2840	};	3837	};
2841		3838
2842	unshift @INC, $LIBDIR;	3839	unshift @INC, $LIBDIR;
2843		3840
…		…
2845		3842
2846	our @WAIT_FOR_TICK;	3843	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3844	our @WAIT_FOR_TICK_BEGIN;
2848		3845
2849	sub wait_for_tick {	3846	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	3847	return if tick_inhibit || $Coro::current == $Coro::main;
2852		3848
2853	my $signal = new Coro::Signal;	3849	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3850	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3851	$signal->wait;
2856	}	3852	}
2857		3853
2858	sub wait_for_tick_begin {	3854	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	3855	return if tick_inhibit || $Coro::current == $Coro::main;
2861		3856
2862	my $signal = new Coro::Signal;	3857	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3858	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3859	$signal->wait;
2865	}	3860	}
2866		3861
2867	my $min = 1e6;#d#	3862	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3863	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3864	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3865	unless ++$bug_warning > 10;
2879	return;	3866	return;
2880	}	3867	}
2881		3868
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3869	cf::server_tick; # one server iteration
2885		3870
2886	0 && sync_job {#d#	3871	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3872	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3873	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3874	$Coro::current->{desc} = "runtime saver";
2890	or die;	3875	write_runtime_sync
2891		3876	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3877	};
		3878	}
2908		3879
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3880	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3881	$sig->send;
2925	}	3882	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3883	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3884	$sig->send;
2928	}	3885	}
2929		3886
2930	$NOW = Event::time;	3887	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3888	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3889
2941	_post_tick;	3890	if (0) {
2942		3891	if ($NEXT_TICK) {
2943		3892	my $jitter = $TICK_START - $NEXT_TICK;
		3893	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3894	warn "jitter $JITTER\n";#d#
		3895	}
2944	},	3896	}
2945	);	3897	}
2946		3898
2947	{	3899	{
2948	BDB::max_poll_time $TICK * 0.1;	3900	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3901
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3902	BDB::min_parallel 8;
2958		3903	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3904	$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3905
2974	unless ($DB_ENV) {	3906	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3907	$DB_ENV = BDB::db_env_create;
		3908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3909	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3910	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3911	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3912	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3913
2977	cf::sync_job {	3914	cf::sync_job {
2978	eval {	3915	eval {
2979	BDB::db_env_open	3916	BDB::db_env_open
2980	$DB_ENV,	3917	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3919	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3920	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3921	0666;
2985		3922
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3923	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3924	};
2991		3925
2992	cf::cleanup "db_env_open(db): $@" if $@;	3926	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3927	};
2994	}	3928	}
		3929
		3930	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3931	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3932	};
		3933	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3934	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3935	};
		3936	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3937	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3938	};
2995	}	3939	}
2996		3940
2997	{	3941	{
		3942	# configure IO::AIO
		3943
2998	IO::AIO::min_parallel 8;	3944	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3945	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3946	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3947	}
3011		3948
3012	my $_log_backtrace;	3949	my $_log_backtrace;
3013		3950
3014	sub _log_backtrace {	3951	sub _log_backtrace {
…		…
3017	$msg =~ s/\n//;	3954	$msg =~ s/\n//;
3018		3955
3019	# limit the # of concurrent backtraces	3956	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3957	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3958	++$_log_backtrace;
		3959	my $perl_bt = Carp::longmess $msg;
3022	async {	3960	async {
		3961	$Coro::current->{desc} = "abt $msg";
		3962
3023	my @bt = fork_call {	3963	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3964	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3965	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3966	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3967	or die "addr2line: $!";
…		…
3035	}	3975	}
3036		3976
3037	@funcs	3977	@funcs
3038	};	3978	};
3039		3979
3040	LOG llevInfo, "[ABT] $msg\n";	3980	LOG llevInfo, "[ABT] $perl_bt\n";
		3981	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	3982	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	3983	--$_log_backtrace;
3043	};	3984	};
3044	} else {	3985	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $msg\n";
3046	LOG llevInfo, "[ABT] [suppressed]\n";	3987	LOG llevInfo, "[ABT] [suppressed]\n";
3047	}	3988	}
3048	}	3989	}
3049		3990
3050	# load additional modules	3991	# load additional modules
3051	use cf::pod;	3992	require "cf/$_.pm" for @EXTRA_MODULES;
		3993	cf::_connect_to_perl_2;
3052		3994
3053	END { cf::emergency_save }	3995	END { cf::emergency_save }
3054		3996
3055	1	3997	1
3056		3998

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