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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.499 by root, Sun Jan 10 17:43:46 2010 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 Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
28		66
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
30	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
31		71
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	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";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
33		80
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	115	our $NEXT_TICK;
46	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
47		124
48	our %CFG;	125	our %CFG;
49		126
50	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
52		130
53	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	134
57	our %EXT_CORO; # coroutines bound to extensions	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		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 $REALLY_UNLOOP; # never set to true, please :)
58		147
59	binmode STDOUT;	148	binmode STDOUT;
60	binmode STDERR;	149	binmode STDERR;
61		150
62	# read virtual server time, if available	151	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
67	}	156	}
68		157
69	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		159
75	# a special map that is always available	160	mkdir $_
76	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
77	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		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::"} };
78		177
79	#############################################################################	178	#############################################################################
80		179
81	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
82		181
…		…
89	=item $cf::RUNTIME	188	=item $cf::RUNTIME
90		189
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	191	every server tick.
93		192
94	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		196
96	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
98		201
99	=item $cf::NOW	202	=item $cf::NOW
100		203
101	The time of the last (current) server tick.	204	The time of the last (current) server tick.
102		205
103	=item $cf::TICK	206	=item $cf::TICK
104		207
105	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
106		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
107	=item %cf::CFG	220	=item %cf::CFG
108		221
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	223	from wherever your confdir points to.
111		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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
112	=back	243	=back
113		244
114	=cut	245	=cut
115		246
116	BEGIN {	247	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	248	my $msg = join "", @_;
119	utf8::encode $msg;
120		249
121	$msg .= "\n"	250	$msg .= "\n"
122	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
123		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
124	LOG llevError, $msg;	255	LOG llevError, $msg;
125	};	256	};
126	}	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	};
127		271
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		279
135	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	281	# within the Safe compartment.
137	for my $pkg (qw(	282	for my $pkg (qw(
138	cf::global cf::attachable	283	cf::global cf::attachable
139	cf::object cf::object::player	284	cf::object cf::object::player
140	cf::client cf::player	285	cf::client cf::player
141	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
142	cf::map cf::party cf::region	288	cf::party cf::region
143	)) {	289	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	291	}
147		292
148	$Event::DIED = sub {	293	$EV::DIED = sub {
149	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
150	};	295	};
151		296
152	my %ext_pkg;	297	#############################################################################
153	my @exts;
154	my @hook;
155		298
156	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
157		300
158	=over 4	301	=over 4
159		302
…		…
178	$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;
179	$d	322	$d
180	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
181	}	324	}
182		325
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
186		327
187	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
188		329
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
197		331
198	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
199		333
200	=cut	334	=cut
201		335
202	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
204	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[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;
205	}	353	}
206		354
207	=item cf::lock_wait $string	355	=item cf::lock_wait $string
208		356
209	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
210		358
211	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
212		360
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
216	returned.	364	returned.
217		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
218	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
219	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
220		371
221	=cut	372	=item $locked = cf::lock_active $string
222		373
223	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
224		379
225	sub lock_wait($) {	380	sub lock_wait($) {
226	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	382	}
234		383
235	sub lock_acquire($) {	384	sub lock_acquire($) {
236	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
237		387
238	# wait, to be sure we are not locked	388	sub lock_active($) {
239	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	390	}
248		391
249	sub freeze_mainloop {	392	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
251		394
252	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	396	}
254	$guard	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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		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	$sig->wait;
255	}	471	}
256		472
257	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
258		474
259	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		480
265	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
266		482
267	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
268		484
269	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
272		489
273	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
276	fast or be very important.	493	fast or be very important.
…		…
279		496
280	sub sync_job(&) {	497	sub sync_job(&) {
281	my ($job) = @_;	498	my ($job) = @_;
282		499
283	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
284	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
286		505
287	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	507
289	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
290		509
291	my $busy = 1;	510	my $busy = 1;
292	my @res;	511	my @res;
293		512
294	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	515	@res = eval { $job->() };
296	warn $@ if $@;	516	warn $@ if $@;
297	undef $busy;	517	undef $busy;
298	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
299		519
300	while ($busy) {	520	while ($busy) {
301	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
302	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
303		531
304	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
305	} else {	533	} else {
306	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
307		535
…		…
309	}	537	}
310	}	538	}
311		539
312	=item $coro = cf::async_ext { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
313		541
314	Like async, but this coro is automcatially being canceled when the	542	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	543	extension calling this is being unloaded.
316		544
317	=cut	545	=cut
318		546
319	sub async_ext(&) {	547	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
328		556
329	$coro	557	$coro
330	}	558	}
331		559
332	sub write_runtime {	560	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		561
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
336	or return;	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.
337		566
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		568
342	aio_fsync $fh	569	sub fork_call(&@) {
343	and return;	570	my ($cb, @args) = @_;
344		571
345	close $fh	572	# we seemingly have to make a local copy of the whole thing,
346	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
347		575
348	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
349	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
350		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
351	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	747	}
353		748
354	=back	749	=back
355		750
356	=cut	751	=cut
357		752
358	#############################################################################	753	#############################################################################
359		754
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
483		756
484	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
485	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")
486	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
487		760
488	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>
489	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
490	crossfire+).	763	Deliantra).
491		764
492	=over 4	765	=over 4
493		766
494	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
495		768
…		…
539	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
540		813
541	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
543		816
544	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
545	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.
546		819
547	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
548		821
549	=over 4	822	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	883	our @CB_MAP = ();
611		884
612	my %attachment;	885	my %attachment;
613		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
614	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
616		895
617	use sort 'stable';	896	use sort 'stable';
618		897
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
653		932
654	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		937
659	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	939	my $pkg = shift @arg;
661		940
662	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
692	}	971	}
693		972
694	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
695	} else {	974	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	976	}
698		977
699	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
700	}	979	}
701		980
…		…
703	if (ref $_[0]) {	982	if (ref $_[0]) {
704	_object_attach @_;	983	_object_attach @_;
705	} else {	984	} else {
706	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
707	}	986	}
		987	_recalc_want;
708	};	988	};
709		989
710	# all those should be optimised	990	# all those should be optimised
711	sub cf::attachable::detach {	991	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
716	reattach ($obj);	996	reattach ($obj);
717	} else {	997	} else {
718	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
719	}	999	}
		1000	_recalc_want;
720	};	1001	};
721		1002
722	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
724		1005
…		…
739	";	1020	";
740	die if $@;	1021	die if $@;
741	}	1022	}
742		1023
743	our $override;	1024	our $override;
744	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?
745		1026
746	sub override {	1027	sub override {
747	$override = 1;	1028	$override = 1;
748	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
749	}	1030	}
750		1031
751	sub do_invoke {	1032	sub do_invoke {
752	my $event = shift;	1033	my $event = shift;
753	my $callbacks = shift;	1034	my $callbacks = shift;
754		1035
755	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
756		1037
757	local $override;	1038	local $override;
758		1039
759	for (@$callbacks) {	1040	for (@$callbacks) {
760	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
769	}	1050	}
770		1051
771	0	1052	0
772	}	1053	}
773		1054
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1056
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1058
778	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
779		1060
780	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
781	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
782	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1064
784	=back	1065	=back
785		1066
786	=cut	1067	=cut
787		1068
788	#############################################################################	1069	#############################################################################
789	# 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	}
790		1113
791	sub reattach {	1114	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1120
795	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
796		1122
797	@$registry = ();	1123	@$registry = ();
798		1124
…		…
813	cf::attachable->attach (	1139	cf::attachable->attach (
814	prio => -1000000,	1140	prio => -1000000,
815	on_instantiate => sub {	1141	on_instantiate => sub {
816	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
817		1143
818	$data = from_json $data;	1144	$data = decode_json $data;
819		1145
820	for (@$data) {	1146	for (@$data) {
821	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
822		1148
823	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1165	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
841		1167
842	sync_job {	1168	sync_job {
843	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
846		1173
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
850	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
851	close $fh;	1181	aio_close $fh;
852		1182
853	if (@$objs) {	1183	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
		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;
858	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
859	close $fh;	1192	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
861	}	1194	}
862	} else {	1195	} else {
863	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
864	}	1197	}
865		1198
866	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1203	} else {
868	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
869	}	1205	}
870	} else {	1206	} else {
871	aio_unlink $filename;	1207	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
873	}	1209	}
874	}	1210	};
875	}	1211	}
876		1212
877	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
879		1215
…		…
891	or return;	1227	or return;
892		1228
893	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
895	or return;	1231	or return;
		1232
896	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
897	}	1235	}
898		1236
		1237	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
901	return ($data, $av);	1241	($data, $av)
902	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
903		1249
904	#############################################################################	1250	#############################################################################
905	# command handling &c	1251	# command handling &c
906		1252
907	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1267	}
922		1268
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1270
925	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.
926		1276
927	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
928	called.	1278	called.
929		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
930	=cut	1291	=cut
931		1292
932	sub register_extcmd {	1293	sub register_extcmd {
933	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
934		1295
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
939	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
940		1306
941	cf::player->attach (	1307	cf::player->attach (
942	on_command => sub {	1308	on_command => sub {
943	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
944		1310
…		…
952	cf::override;	1318	cf::override;
953	},	1319	},
954	on_extcmd => sub {	1320	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
956		1322
957	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1324
959	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
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
965	} else {	1340	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1342	}
968		1343
969	cf::override;	1344	cf::override;
970	},	1345	},
971	);	1346	);
972		1347
973	sub register {	1348	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1349	sub cache_extensions {
980	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
981		1351
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1355	}
1032	}	1356	};
1033		1357
1034	# remove extcmds	1358	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1359	}
1048		1360
1049	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1050	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1366	next unless -r $path;
1052	eval {	1367
1053	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;
1054	1	1424	}
1055	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1056	}	1430	};
1057	}	1431	}
1058		1432
1059	#############################################################################	1433	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1434
1062	*cf::mapsupport::on_clean = sub {	1435	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1436
1097	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1098		1438
1099	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1100		1440
1101	=cut	1441	=cut
1102		1442
1103	package cf::player;	1443	package cf::player;
1104		1444
…		…
1106		1446
1107	=head3 cf::player	1447	=head3 cf::player
1108		1448
1109	=over 4	1449	=over 4
1110		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	}
		1464
1111	=item cf::player::find $login	1465	=item cf::player::find $login
1112		1466
1113	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1114		1468
1115	=cut	1469	=cut
1116		1470
1117	sub playerdir($) {	1471	sub playerdir($) {
1118	cf::localdir	1472	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1474	}
1124		1475
1125	sub path($) {	1476	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1478
1128	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
1129	}	1480	}
1130		1481
1131	sub find_active($) {	1482	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1136		1487
1137	sub exists($) {	1488	sub exists($) {
1138	my ($login) = @_;	1489	my ($login) = @_;
1139		1490
1140	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1142	}	1493	}
1143		1494
1144	sub find($) {	1495	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1497	my $login = $_[0];
1147		1498
1148	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1149		1500
1150	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
1152	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;
1153	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1154	}	1518	}
1155	}	1519	}
1156	}	1520	}
1157		1521
…		…
1166	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1167		1531
1168	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1170		1534
		1535	cf::get_slot 0.01;
		1536
1171	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1172	Coro::cede;	1538	cf::cede_to_tick;
1173	}	1539	}
1174		1540
1175	sub new($) {	1541	sub new($) {
1176	my ($login) = @_;	1542	my ($login) = @_;
1177		1543
…		…
1183	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1184		1550
1185	$self	1551	$self
1186	}	1552	}
1187		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
1188	=item $pl->quit_character	1564	=item $pl->quit_character
1189		1565
1190	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
1191	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1192		1568
1193	=cut	1569	=cut
1194		1570
1195	sub quit_character {	1571	sub quit_character {
1196	my ($pl) = @_;	1572	my ($pl) = @_;
1197		1573
		1574	my $name = $pl->ob->name;
		1575
1198	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1199	$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
1200		1578
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1205		1585
1206	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1588	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1590	$pl->destroy;
		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
1211	IO::AIO::aio_rmtree $temp;	1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
1212	}	1612	}
1213		1613
1214	=item cf::player::list_logins	1614	=item cf::player::list_logins
1215		1615
1216	Returns am arrayref of all valid playernames in the system, can take a	1616	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1218		1618
1219	=cut	1619	=cut
1220		1620
1221	sub list_logins {	1621	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1623	or return [];
1224		1624
1225	my @logins;	1625	my @logins;
1226		1626
1227	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") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1231		1637
1232	utf8::decode $login;	1638	utf8::decode $login;
1233	push @logins, $login;	1639	push @logins, $login;
1234	}	1640	}
1235		1641
1236	\@logins	1642	\@logins
1237	}	1643	}
1238		1644
1239	=item $player->maps	1645	=item $player->maps
1240		1646
1241	Returns an arrayref of cf::path's of all maps that are private for this	1647	Returns an arrayref of map paths that are private for this
1242	player. May block.	1648	player. May block.
1243		1649
1244	=cut	1650	=cut
1245		1651
1246	sub maps($) {	1652	sub maps($) {
1247	my ($pl) = @_;	1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1656
1249	my $files = aio_readdir playerdir $pl	1657	my $files = aio_readdir playerdir $pl
1250	or return;	1658	or return;
1251		1659
1252	my @paths;	1660	my @paths;
1253		1661
1254	for (@$files) {	1662	for (@$files) {
1255	utf8::decode $_;	1663	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1664	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1665	next unless /^$PATH_SEP/o;
1258		1666
1259	s/$PATH_SEP/\//g;	1667	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1668	}
1262		1669
1263	\@paths	1670	\@paths
1264	}	1671	}
1265		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1267		1678
1268	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1269		1680
1270	=cut	1681	=cut
1271		1682
1272	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1274		1685
1275	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1687	}
1279		1688
1280	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1281		1729
1282	=back	1730	=back
1283
1284		1731
1285	=head3 cf::map	1732	=head3 cf::map
1286		1733
1287	=over 4	1734	=over 4
1288		1735
…		…
1291	package cf::map;	1738	package cf::map;
1292		1739
1293	use Fcntl;	1740	use Fcntl;
1294	use Coro::AIO;	1741	use Coro::AIO;
1295		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1296	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1298		1749
1299	sub generate_random_map {	1750	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1754
1302	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1756	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1765	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1316	}	1769	}
1317		1770
1318	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1772
1323	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1775	default).
1326		1776
1327	sub try_load_header($) {	1777	=cut
		1778
		1779	sub register {
		1780	my (undef, $regex, $prio) = @_;
		1781	my $pkg = caller;
		1782
		1783	no strict;
		1784	push @{"$pkg\::ISA"}, __PACKAGE__;
		1785
		1786	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1787	}
		1788
		1789	# also paths starting with '/'
		1790	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1791
		1792	sub thawer_merge {
		1793	my ($self, $merge) = @_;
		1794
		1795	# we have to keep some variables in memory intact
		1796	local $self->{path};
		1797	local $self->{load_path};
		1798
		1799	$self->SUPER::thawer_merge ($merge);
		1800	}
		1801
		1802	sub normalise {
1328	my ($path) = @_;	1803	my ($path, $base) = @_;
		1804
		1805	$path = "$path"; # make sure its a string
		1806
		1807	$path =~ s/\.map$//;
		1808
		1809	# map plan:
		1810	#
		1811	# /! non-realised random map exit (special hack!)
		1812	# {... are special paths that are not being touched
		1813	# ?xxx/... are special absolute paths
		1814	# ?random/... random maps
		1815	# /... normal maps
		1816	# ~user/... per-player map of a specific user
		1817
		1818	$path =~ s/$PATH_SEP/\//go;
		1819
		1820	# treat it as relative path if it starts with
		1821	# something that looks reasonable
		1822	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1823	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1824
		1825	$base =~ s{[^/]+/?$}{};
		1826	$path = "$base/$path";
		1827	}
		1828
		1829	for ($path) {
		1830	redo if s{//}{/};
		1831	redo if s{/\.?/}{/};
		1832	redo if s{/[^/]+/\.\./}{/};
		1833	}
		1834
		1835	$path
		1836	}
		1837
		1838	sub new_from_path {
		1839	my (undef, $path, $base) = @_;
		1840
		1841	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1842
		1843	$path = normalise $path, $base;
		1844
		1845	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1846	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1847	my $self = bless cf::map::new, $pkg;
		1848	$self->{path} = $path; $self->path ($path);
		1849	$self->init; # pass $1 etc.
		1850	return $self;
		1851	}
		1852	}
		1853
		1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1855	()
		1856	}
		1857
		1858	sub init {
		1859	my ($self) = @_;
		1860
		1861	$self
		1862	}
		1863
		1864	sub as_string {
		1865	my ($self) = @_;
		1866
		1867	"$self->{path}"
		1868	}
		1869
		1870	# the displayed name, this is a one way mapping
		1871	sub visible_name {
		1872	&as_string
		1873	}
		1874
		1875	# the original (read-only) location
		1876	sub load_path {
		1877	my ($self) = @_;
		1878
		1879	"$MAPDIR/$self->{path}.map"
		1880	}
		1881
		1882	# the temporary/swap location
		1883	sub save_path {
		1884	my ($self) = @_;
		1885
		1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1887	"$TMPDIR/$path.map"
		1888	}
		1889
		1890	# the unique path, undef == no special unique path
		1891	sub uniq_path {
		1892	my ($self) = @_;
		1893
		1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1895	"$UNIQUEDIR/$path"
		1896	}
		1897
		1898	sub decay_objects {
		1899	my ($self) = @_;
		1900
		1901	return if $self->{deny_reset};
		1902
		1903	$self->do_decay_objects;
		1904	}
		1905
		1906	sub unlink_save {
		1907	my ($self) = @_;
		1908
		1909	utf8::encode (my $save = $self->save_path);
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1912	}
		1913
		1914	sub load_header_from($) {
		1915	my ($self, $path) = @_;
1329		1916
1330	utf8::encode $path;	1917	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1332	or return;	1919	or return;
1333		1920
1334	my $map = cf::map::new	1921	$self->_load_header ($f)
1335	or return;	1922	or return;
1336		1923
1337	# for better error messages only, will be overwritten	1924	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1339		1926
1340	$map->load_header ($path)	1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1341	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1342		1973
1343	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1344		1976
1345	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1346	}	1981	}
1347		1982
1348	sub find;	1983	sub find;
1349	sub find {	1984	sub find {
1350	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1351		1986
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1988
1357	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1361		1991
1362	# do it the slow way	1992	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1994	or return;
1381		1995
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1394		1997
1395	Coro::cede;	1998	$map->load_header
		1999	or return;
1396		2000
1397	if ($map->should_reset) {	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1398	$map->reset;	2006	$map->reset;
1399	undef $guard;
1400	$map = find $path	2007	return find $path;
1401	or return;
1402	}	2008	}
1403		2009
1404	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1405	}	2011	}
1406	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1407		2016
1408	sub load {	2017	sub load {
1409	my ($self) = @_;	2018	my ($self) = @_;
1410		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1411	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1413		2026
		2027	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2029
1416	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1417		2031
1418	$self->alloc;	2032	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2033
		2034	$self->pre_load;
		2035	cf::cede_to_tick;
		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1420	or return;	2040	or return;
1421		2041
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1423	if delete $self->{load_original};	2043	if delete $self->{load_original};
1424		2044
1425	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2046	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2049	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1430	}	2053	}
1431	}	2054	}
1432		2055
1433	Coro::cede;	2056	$f->resolve_delayed_derefs;
1434		2057
		2058	cf::cede_to_tick;
1435	# now do the right thing for maps	2059	# now do the right thing for maps
1436	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2062	unless $self->difficulty;
		2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1448	$self->activate;	2070	$self->activate;
1449	}	2071	}
1450		2072
1451	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1452		2075
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
		2092	}
		2093
		2094	# find and load all maps in the 3x3 area around a map
		2095	sub load_neighbours {
		2096	my ($map) = @_;
		2097
		2098	my @neigh; # diagonal neighbours
		2099
		2100	for (0 .. 3) {
		2101	my $neigh = $map->tile_path ($_)
		2102	or next;
		2103	$neigh = find $neigh, $map
		2104	or next;
		2105	$neigh->load;
		2106
		2107	push @neigh,
		2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2110	}
		2111
		2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
		2114	my $neigh = find $path, $origin
		2115	or next;
		2116	$neigh->load;
		2117	}
1454	}	2118	}
1455		2119
1456	sub find_sync {	2120	sub find_sync {
1457	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1458		2122
1459	cf::sync_job { cf::map::find $path, $origin }	2123	cf::sync_job { find $path, $origin }
1460	}	2124	}
1461		2125
1462	sub do_load_sync {	2126	sub do_load_sync {
1463	my ($map) = @_;	2127	my ($map) = @_;
1464		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1465	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
		2133	}
		2134
		2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
		2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
		2152	while (%MAP_PREFETCH) {
		2153	while (my ($k, $v) = each %MAP_PREFETCH) {
		2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
		2158	delete $MAP_PREFETCH{$k};
		2159	}
		2160	}
		2161	undef $MAP_PREFETCHER;
		2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1466	}	2166	}
1467		2167
1468	sub save {	2168	sub save {
1469	my ($self) = @_;	2169	my ($self) = @_;
1470		2170
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2172
1473	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1474		2174
1475	return unless $self->dirty;	2175	return unless $self->dirty;
1476		2176
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2179
1480	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1481		2181
1482	return if $self->{deny_save};	2182	return if $self->{deny_save};
1483		2183
1484	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1485		2185
1486	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1487	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1488	};	2189	};
1489		2190
		2191	cf::get_slot 0.02;
		2192
1490	if ($uniq) {	2193	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2196	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2198	}
1496	}	2199	}
1497		2200
1498	sub swap_out {	2201	sub swap_out {
1499	my ($self) = @_;	2202	my ($self) = @_;
1500		2203
1501	# save first because save cedes	2204	# save first because save cedes
1502	$self->save;	2205	$self->save;
1503		2206
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2208
1506	return if $self->players;	2209	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1508	return if $self->{deny_save};	2211	return if $self->{deny_save};
1509		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1510	$self->clear;	2217	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2218	}
1513		2219
1514	sub reset_at {	2220	sub reset_at {
1515	my ($self) = @_;	2221	my ($self) = @_;
1516		2222
1517	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1520		2225
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2228
…		…
1528	my ($self) = @_;	2233	my ($self) = @_;
1529		2234
1530	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1531	}	2236	}
1532		2237
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2238	sub reset {
1555	my ($self) = @_;	2239	my ($self) = @_;
1556		2240
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2242
1559	return if $self->players;	2243	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2244
1562	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
		2246
		2247	$self->in_memory (cf::MAP_SWAPPED);
		2248
		2249	# need to save uniques path
		2250	unless ($self->{deny_save}) {
		2251	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2252
		2253	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2254	if $uniq;
		2255	}
1563		2256
1564	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1565		2258
		2259	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1567		2262
1568	$self->unlink_save;	2263	$self->unlink_save;
1569	$self->destroy;	2264	$self->destroy;
1570	}	2265	}
1571		2266
1572	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1573		2268
1574	sub nuke {	2269	sub nuke {
1575	my ($self) = @_;	2270	my ($self) = @_;
1576		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
		2275	delete $cf::MAP{$self->path};
		2276
		2277	$self->unlink_save;
		2278
		2279	bless $self, "cf::map";
		2280	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1580	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1581	}	2289	}
1582		2290
1583	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2292
1586	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1588	}	2299	[
1589		2300	map {
1590	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1591	}	2307	}
1592		2308
1593	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2310
1596	warn "enter emergency perl save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1597		2313
1598	cf::sync_job {	2314	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2315
1603	warn "begin emergency map save\n";	2316	sub random_maps() {
1604	$_->save for values %cf::MAP;	2317	[
1605	warn "end emergency map save\n";	2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
		2325	}
		2326
		2327	=item cf::map::unique_maps
		2328
		2329	Returns an arrayref of paths of all shared maps that have
		2330	instantiated unique items. May block.
		2331
		2332	=cut
		2333
		2334	sub unique_maps() {
		2335	[
		2336	map {
		2337	utf8::decode $_;
		2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
		2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
1606	};	2373	}
1607		2374
1608	warn "leave emergency perl save\n";	2375	\@maps
		2376	}
		2377
		2378	=back
		2379
		2380	=head3 cf::object
		2381
		2382	=cut
		2383
		2384	package cf::object;
		2385
		2386	=over 4
		2387
		2388	=item $ob->inv_recursive
		2389
		2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
		2392
		2393	=cut
		2394
		2395	sub inv_recursive_;
		2396	sub inv_recursive_ {
		2397	map { $_, inv_recursive_ $_->inv } @_
		2398	}
		2399
		2400	sub inv_recursive {
		2401	inv_recursive_ inv $_[0]
		2402	}
		2403
		2404	=item $ref = $ob->ref
		2405
		2406	Creates and returns a persistent reference to an object that can be stored as a string.
		2407
		2408	=item $ob = cf::object::deref ($refstring)
		2409
		2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2411	even if the object actually exists. May block.
		2412
		2413	=cut
		2414
		2415	sub deref {
		2416	my ($ref) = @_;
		2417
		2418	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2419	my ($uuid, $name) = ($1, $2);
		2420	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2421	or return;
		2422	$pl->ob->uuid eq $uuid
		2423	or return;
		2424
		2425	$pl->ob
		2426	} else {
		2427	warn "$ref: cannot resolve object reference\n";
		2428	undef
		2429	}
1609	}	2430	}
1610		2431
1611	package cf;	2432	package cf;
1612		2433
1613	=back	2434	=back
1614
1615		2435
1616	=head3 cf::object::player	2436	=head3 cf::object::player
1617		2437
1618	=over 4	2438	=over 4
1619		2439
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2442	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
1625		2445
1626	=cut	2446	=cut
		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
1627		2461
1628	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2463	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
…		…
1633		2467
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2469
1636	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1638	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2483	}
1641	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1642	}	2495	}
1643		2496
1644	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1645		2498
1646	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1659		2512
1660	=item $player_object->enter_link	2513	=item $player_object->enter_link
1661		2514
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2516
1664	The player should be reaosnably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
		2521
		2522	Will never block.
1666		2523
1667	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
1668		2525
1669	Moves the player out of the specila link map onto the given map. If the	2526	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2527	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2528	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2529	fails, to the emergency map position.
1673		2530
1674	Might block.	2531	Might block.
1675		2532
1676	=cut	2533	=cut
		2534
		2535	sub link_map {
		2536	unless ($LINK_MAP) {
		2537	$LINK_MAP = cf::map::find "{link}"
		2538	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2539	$LINK_MAP->load;
		2540	}
		2541
		2542	$LINK_MAP
		2543	}
1677		2544
1678	sub cf::object::player::enter_link {	2545	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2546	my ($self) = @_;
1680		2547
1681	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1682		2549
1683	return if $self->map == $LINK_MAP;	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2551
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1687		2554
1688	$self->enter_map ($LINK_MAP, 20, 20);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2556	}
1690		2557
1691	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1693		2562
1694	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1695		2564
1696	unless ($map) {	2565	unless ($map) {
1697	# restore original map position	2566	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
1710		2579
1711	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
1714		2583
1715	$map->load;	2584	$map->load;
		2585	$map->load_neighbours;
1716		2586
1717	return unless $self->contr->active;	2587	return unless $self->contr->active;
		2588
		2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2593	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}	2594	}
1721		2595
1722	cf::player->attach (	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2597
1726	# abort map switching before logout	2598	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2599	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2600	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2601	the new (success) or old (failed) map position. In either case, $done will
1730	};	2602	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2603
1736	# try to abort aborted map switching on player login :)	2604	Note that $check will be called with a potentially non-loaded map, so if
1737	# should happen only on crashes	2605	it needs a loaded map it has to call C<< ->load >>.
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2606
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2607	=cut
		2608
		2609	our $GOTOGEN;
1757		2610
1758	sub cf::object::player::goto {	2611	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2612	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2613
1761	$path = new cf::path $path;	2614	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2615	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2616
1764	$self->enter_link;	2617	$self->enter_link;
1765		2618
1766	(async {	2619	(async {
1767	my $map = cf::map::find $path->as_string;	2620	$Coro::current->{desc} = "player::goto $path $x $y";
		2621
		2622	# *tag paths override both path and x|y
		2623	if ($path =~ /^\*(.*)$/) {
		2624	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2625	my $ob = $obs[rand @obs];
		2626
		2627	# see if we actually can go there
		2628	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2629	$ob = $obs[rand @obs];
		2630	} else {
		2631	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	}
		2633	# else put us there anyways for now #d#
		2634
		2635	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2636	} else {
		2637	($path, $x, $y) = (undef, undef, undef);
		2638	}
		2639	}
		2640
		2641	my $map = eval {
		2642	my $map = defined $path ? cf::map::find $path : undef;
		2643
		2644	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2645	$map = $map->customise_for ($self);
1769		2646	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2647	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2648	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	}
1774		2650
		2651	$map
		2652	};
		2653
		2654	if ($@) {
		2655	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	LOG llevError | logBacktrace, Carp::longmess $@;
		2657	}
		2658
		2659	if ($gen == $self->{_goto_generation}) {
		2660	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2661	$self->leave_link ($map, $x, $y);
		2662	}
		2663
		2664	$done->() if $done;
1776	})->prio (1);	2665	})->prio (1);
1777	}	2666	}
1778		2667
1779	=item $player_object->enter_exit ($exit_object)	2668	=item $player_object->enter_exit ($exit_object)
1780		2669
…		…
1782		2671
1783	sub parse_random_map_params {	2672	sub parse_random_map_params {
1784	my ($spec) = @_;	2673	my ($spec) = @_;
1785		2674
1786	my $rmp = { # defaults	2675	my $rmp = { # defaults
1787	xsize => 10,	2676	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2677	ysize => (cf::rndm 15, 40),
		2678	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2679	#layout => string,
1789	};	2680	};
1790		2681
1791	for (split /\n/, $spec) {	2682	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2683	my ($k, $v) = split /\s+/, $_, 2;
1793		2684
…		…
1805	# that depends on the exit object	2696	# that depends on the exit object
1806		2697
1807	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
1808		2699
1809	if ($exit->map) {	2700	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2701	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
1814	}	2707	}
1815		2708
1816	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
1817		2710
1818	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
		2713	my $meta = "$RANDOMDIR/$md5.meta";
1820		2714
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
		2717	undef $fh;
		2718	aio_rename "$meta~", $meta;
1823		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
1826	}	2726	}
1827	}	2727	}
1828		2728
1829	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
1833		2733
1834	$self->enter_link;	2734	$self->enter_link;
1835		2735
1836	(async {	2736	(async {
1837	$self->deactivate_recursive; # just to be sure	2737	$Coro::current->{desc} = "enter_exit";
		2738
1838	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
1839	prepare_random_map $exit	2746	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2747	if $exit->slaying eq "/!";
		2748	}
1841		2749
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
1844		2753
		2754	$self->goto ($map, $x, $y);
		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
1845	1;	2760	1
1846	}) {	2761	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2764	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2766
1852	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2768	$self->leave_link;
1854	}	2769	}
1855	})->prio (1);	2770	})->prio (1);
…		…
1868		2783
1869	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
1871		2786
1872	utf8::encode $text;	2787	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2789	}
1875		2790
		2791	=item $client->send_big_packet ($pkt)
		2792
		2793	Like C<send_packet>, but tries to compress large packets, and fragments
		2794	them as required.
		2795
		2796	=cut
		2797
		2798	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2799
		2800	sub cf::client::send_big_packet {
		2801	my ($self, $pkt) = @_;
		2802
		2803	# try lzf for large packets
		2804	$pkt = "lzf " . Compress::LZF::compress $pkt
		2805	if 1024 <= length $pkt and $self->{can_lzf};
		2806
		2807	# split very large packets
		2808	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2809	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2810	$pkt = "frag";
		2811	}
		2812
		2813	$self->send_packet ($pkt);
		2814	}
		2815
		2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2817
		2818	Send a drawinfo or msg packet to the client, formatting the msg for the
		2819	client if neccessary. C<$type> should be a string identifying the type of
		2820	the message, with C<log> being the default. If C<$color> is negative, suppress
		2821	the message unless the client supports the msg packet.
		2822
		2823	=cut
		2824
		2825	# non-persistent channels (usually the info channel)
		2826	our %CHANNEL = (
		2827	"c/motd" => {
		2828	id => "infobox",
		2829	title => "MOTD",
		2830	reply => undef,
		2831	tooltip => "The message of the day",
		2832	},
		2833	"c/identify" => {
		2834	id => "infobox",
		2835	title => "Identify",
		2836	reply => undef,
		2837	tooltip => "Items recently identified",
		2838	},
		2839	"c/examine" => {
		2840	id => "infobox",
		2841	title => "Examine",
		2842	reply => undef,
		2843	tooltip => "Signs and other items you examined",
		2844	},
		2845	"c/shopinfo" => {
		2846	id => "infobox",
		2847	title => "Shop Info",
		2848	reply => undef,
		2849	tooltip => "What your bargaining skill tells you about the shop",
		2850	},
		2851	"c/book" => {
		2852	id => "infobox",
		2853	title => "Book",
		2854	reply => undef,
		2855	tooltip => "The contents of a note or book",
		2856	},
		2857	"c/lookat" => {
		2858	id => "infobox",
		2859	title => "Look",
		2860	reply => undef,
		2861	tooltip => "What you saw there",
		2862	},
		2863	"c/who" => {
		2864	id => "infobox",
		2865	title => "Players",
		2866	reply => undef,
		2867	tooltip => "Shows players who are currently online",
		2868	},
		2869	"c/body" => {
		2870	id => "infobox",
		2871	title => "Body Parts",
		2872	reply => undef,
		2873	tooltip => "Shows which body parts you posess and are available",
		2874	},
		2875	"c/statistics" => {
		2876	id => "infobox",
		2877	title => "Statistics",
		2878	reply => undef,
		2879	tooltip => "Shows your primary statistics",
		2880	},
		2881	"c/skills" => {
		2882	id => "infobox",
		2883	title => "Skills",
		2884	reply => undef,
		2885	tooltip => "Shows your experience per skill and item power",
		2886	},
		2887	"c/shopitems" => {
		2888	id => "infobox",
		2889	title => "Shop Items",
		2890	reply => undef,
		2891	tooltip => "Shows the items currently for sale in this shop",
		2892	},
		2893	"c/resistances" => {
		2894	id => "infobox",
		2895	title => "Resistances",
		2896	reply => undef,
		2897	tooltip => "Shows your resistances",
		2898	},
		2899	"c/pets" => {
		2900	id => "infobox",
		2901	title => "Pets",
		2902	reply => undef,
		2903	tooltip => "Shows information abotu your pets/a specific pet",
		2904	},
		2905	"c/perceiveself" => {
		2906	id => "infobox",
		2907	title => "Perceive Self",
		2908	reply => undef,
		2909	tooltip => "You gained detailed knowledge about yourself",
		2910	},
		2911	"c/uptime" => {
		2912	id => "infobox",
		2913	title => "Uptime",
		2914	reply => undef,
		2915	tooltip => "How long the server has been running since last restart",
		2916	},
		2917	"c/mapinfo" => {
		2918	id => "infobox",
		2919	title => "Map Info",
		2920	reply => undef,
		2921	tooltip => "Information related to the maps",
		2922	},
		2923	"c/party" => {
		2924	id => "party",
		2925	title => "Party",
		2926	reply => "gsay ",
		2927	tooltip => "Messages and chat related to your party",
		2928	},
		2929	"c/death" => {
		2930	id => "death",
		2931	title => "Death",
		2932	reply => undef,
		2933	tooltip => "Reason for and more info about your most recent death",
		2934	},
		2935	"c/say" => $SAY_CHANNEL,
		2936	"c/chat" => $CHAT_CHANNEL,
		2937	);
		2938
		2939	sub cf::client::send_msg {
		2940	my ($self, $channel, $msg, $color, @extra) = @_;
		2941
		2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
		2944
		2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2946
		2947	# check predefined channels, for the benefit of C
		2948	if ($CHANNEL{$channel}) {
		2949	$channel = $CHANNEL{$channel};
		2950
		2951	$self->ext_msg (channel_info => $channel);
		2952	$channel = $channel->{id};
		2953
		2954	} elsif (ref $channel) {
		2955	# send meta info to client, if not yet sent
		2956	unless (exists $self->{channel}{$channel->{id}}) {
		2957	$self->{channel}{$channel->{id}} = $channel;
		2958	$self->ext_msg (channel_info => $channel);
		2959	}
		2960
		2961	$channel = $channel->{id};
		2962	}
		2963
		2964	return unless @extra || length $msg;
		2965
		2966	# default colour, mask it out
		2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2968	if $color & cf::NDI_DEF;
		2969
		2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
		2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2973	);
		2974
		2975	$self->send_big_packet ($pkt);
		2976	}
		2977
		2978	=item $client->ext_msg ($type, @msg)
		2979
		2980	Sends an ext event to the client.
		2981
		2982	=cut
		2983
		2984	sub cf::client::ext_msg($$@) {
		2985	my ($self, $type, @msg) = @_;
		2986
		2987	if ($self->extcmd == 2) {
		2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2989	} elsif ($self->extcmd == 1) { # TODO: remove
		2990	push @msg, msgtype => "event_$type";
		2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2992	}
		2993	}
		2994
		2995	=item $client->ext_reply ($msgid, @msg)
		2996
		2997	Sends an ext reply to the client.
		2998
		2999	=cut
		3000
		3001	sub cf::client::ext_reply($$@) {
		3002	my ($self, $id, @msg) = @_;
		3003
		3004	if ($self->extcmd == 2) {
		3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3006	} elsif ($self->extcmd == 1) {
		3007	#TODO: version 1, remove
		3008	unshift @msg, msgtype => "reply", msgid => $id;
		3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3010	}
		3011	}
1876		3012
1877	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
1878		3014
1879	Queues a query to the client, calling the given callback with	3015	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3016	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3017	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3018
1883	Queries can fail, so check the return code. Or don't, as queries will become	3019	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3020	become reliable at some point in the future.
1885		3021
1886	=cut	3022	=cut
1887		3023
1888	sub cf::client::query {	3024	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3025	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3033	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3034	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3035
1900	$self->send_packet ($self->{query_queue}[0][0])	3036	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3037	if @{ $self->{query_queue} } == 1;
		3038
		3039	1
1902	}	3040	}
1903		3041
1904	cf::client->attach (	3042	cf::client->attach (
		3043	on_connect => sub {
		3044	my ($ns) = @_;
		3045
		3046	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3047	},
1905	on_reply => sub {	3048	on_reply => sub {
1906	my ($ns, $msg) = @_;	3049	my ($ns, $msg) = @_;
1907		3050
1908	# this weird shuffling is so that direct followup queries	3051	# this weird shuffling is so that direct followup queries
1909	# get handled first	3052	# get handled first
1910	my $queue = delete $ns->{query_queue}	3053	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3055
1913	(shift @$queue)->[1]->($msg);	3056	(shift @$queue)->[1]->($msg);
		3057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3058
1915	push @{ $ns->{query_queue} }, @$queue;	3059	push @{ $ns->{query_queue} }, @$queue;
1916		3060
1917	if (@{ $ns->{query_queue} } == @$queue) {	3061	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3062	if (@$queue) {
…		…
1920	} else {	3064	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3066	}
1923	}	3067	}
1924	},	3068	},
		3069	on_exticmd => sub {
		3070	my ($ns, $buf) = @_;
		3071
		3072	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3073
		3074	if (ref $msg) {
		3075	my ($type, $reply, @payload) =
		3076	"ARRAY" eq ref $msg
		3077	? @$msg
		3078	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3079
		3080	my @reply;
		3081
		3082	if (my $cb = $EXTICMD{$type}) {
		3083	@reply = $cb->($ns, @payload);
		3084	}
		3085
		3086	$ns->ext_reply ($reply, @reply)
		3087	if $reply;
		3088
		3089	} else {
		3090	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3091	}
		3092
		3093	cf::override;
		3094	},
1925	);	3095	);
1926		3096
1927	=item $client->async (\&cb)	3097	=item $client->async (\&cb)
1928		3098
1929	Create a new coroutine, running the specified callback. The coroutine will	3099	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	3140	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
1972		3142
1973	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
1974		3144
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3145	$safe->permit_only (Opcode::opset qw(
		3146	:base_core :base_mem :base_orig :base_math :base_loop
		3147	grepstart grepwhile mapstart mapwhile
		3148	sort time
		3149	));
1976		3150
1977	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
1978		3152
1979	=pod	3153	=pod
1980		3154
1981	The following fucntions and emthods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
1982		3156
1983	cf::object contr pay_amount pay_player map	3157	cf::object
		3158	contr pay_amount pay_player map x y force_find force_add destroy
		3159	insert remove name archname title slaying race decrease split
		3160	value
		3161
1984	cf::object::player player	3162	cf::object::player
1985	cf::player peaceful	3163	player
1986	cf::map trigger	3164
		3165	cf::player
		3166	peaceful
		3167
		3168	cf::map
		3169	trigger
1987		3170
1988	=cut	3171	=cut
1989		3172
1990	for (	3173	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3175	insert remove inv nrof name archname title slaying race
		3176	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
1995	) {	3180	) {
1996	no strict 'refs';	3181	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2016		3201
2017	my $qcode = $code;	3202	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
2020		3205
		3206	%vars = (_dummy => 0) unless %vars;
		3207
		3208	my @res;
2021	local $_;	3209	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;
2023		3210
2024	my $eval =	3211	my $eval =
2025	"do {\n"	3212	"do {\n"
2026	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3213	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2027	. "#line 0 \"{$qcode}\"\n"	3214	. "#line 0 \"{$qcode}\"\n"
2028	. $code	3215	. $code
2029	. "\n}"	3216	. "\n}"
2030	;	3217	;
2031		3218
		3219	if ($CFG{safe_eval}) {
2032	sub_generation_inc;	3220	sub_generation_inc;
		3221	local @safe::cf::_safe_eval_args = values %vars;
2033	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3222	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2034	sub_generation_inc;	3223	sub_generation_inc;
		3224	} else {
		3225	local @cf::_safe_eval_args = values %vars;
		3226	@res = wantarray ? eval eval : scalar eval $eval;
		3227	}
2035		3228
2036	if ($@) {	3229	if ($@) {
2037	warn "$@";	3230	warn "$@";
2038	warn "while executing safe code '$code'\n";	3231	warn "while executing safe code '$code'\n";
2039	warn "with arguments " . (join " ", %vars) . "\n";	3232	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2067	=back	3260	=back
2068		3261
2069	=cut	3262	=cut
2070		3263
2071	#############################################################################	3264	#############################################################################
		3265	# the server's init and main functions
2072		3266
2073	=head2 EXTENSION DATABASE SUPPORT	3267	sub load_facedata($) {
		3268	my ($path) = @_;
2074		3269
2075	Crossfire maintains a very simple database for extension use. It can	3270	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3271	# for this (global event?)
2077	excludes objects.	3272	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3273
2079	The parameter C<$family> should best start with the name of the extension	3274	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3275
2082	=over 4	3276	warn "loading facedata from $path\n";
2083		3277
2084	=item $hashref = cf::db_get $family	3278	my $facedata;
		3279	0 < aio_load $path, $facedata
		3280	or die "$path: $!";
2085		3281
2086	Return a hashref for use by the extension C<$family>, which can be	3282	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3283
2090	=item $value = cf::db_get $family => $key	3284	$facedata->{version} == 2
		3285	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3286
2092	Returns a single value from the database	3287	# patch in the exptable
2093		3288	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	3289	type => FT_RSRC,
2095		3290	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3291	};
		3292	cf::cede_to_tick;
2145		3293
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3294	{
		3295	my $faces = $facedata->{faceinfo};
2150		3296
2151	sub db_get($;$) {	3297	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3298	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3299
2157	sub db_put($$;$) {	3300	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3301	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3302	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2160	} else {	3303	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3304
2166	cf::global->attach (	3305	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3306	}
2171	);
2172	}
2173		3307
2174	#############################################################################	3308	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3309	next unless $info->{smooth};
2176		3310
2177	sub cfg_load {	3311	my $idx = cf::face::find $face
		3312	or next;
		3313
		3314	if (my $smooth = cf::face::find $info->{smooth}) {
		3315	cf::face::set_smooth $idx, $smooth;
		3316	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3317	} else {
		3318	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3319	}
		3320
		3321	cf::cede_to_tick;
		3322	}
		3323	}
		3324
		3325	{
		3326	my $anims = $facedata->{animinfo};
		3327
		3328	while (my ($anim, $info) = each %$anims) {
		3329	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3330	cf::cede_to_tick;
		3331	}
		3332
		3333	cf::anim::invalidate_all; # d'oh
		3334	}
		3335
		3336	{
		3337	my $res = $facedata->{resource};
		3338
		3339	while (my ($name, $info) = each %$res) {
		3340	if (defined $info->{type}) {
		3341	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3342
		3343	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3344	cf::face::set_type $idx, $info->{type};
		3345	} else {
		3346	$RESOURCE{$name} = $info;
		3347	}
		3348
		3349	cf::cede_to_tick;
		3350	}
		3351	}
		3352
		3353	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3354
		3355	1
		3356	}
		3357
		3358	cf::global->attach (on_resource_update => sub {
		3359	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3360	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3361
		3362	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3363	my $sound = $soundconf->{compat}[$_]
		3364	or next;
		3365
		3366	my $face = cf::face::find "sound/$sound->[1]";
		3367	cf::sound::set $sound->[0] => $face;
		3368	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3369	}
		3370
		3371	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3372	my $face = cf::face::find "sound/$v";
		3373	cf::sound::set $k => $face;
		3374	}
		3375	}
		3376	});
		3377
		3378	register_exticmd fx_want => sub {
		3379	my ($ns, $want) = @_;
		3380
		3381	while (my ($k, $v) = each %$want) {
		3382	$ns->fx_want ($k, $v);
		3383	}
		3384	};
		3385
		3386	sub load_resource_file($) {
		3387	my $guard = lock_acquire "load_resource_file";
		3388
		3389	my $status = load_resource_file_ $_[0];
		3390	get_slot 0.1, 100;
		3391	cf::arch::commit_load;
		3392
		3393	$status
		3394	}
		3395
		3396	sub reload_regions {
		3397	# HACK to clear player env face cache, we need some signal framework
		3398	# for this (global event?)
		3399	%ext::player_env::MUSIC_FACE_CACHE = ();
		3400
		3401	load_resource_file "$MAPDIR/regions"
		3402	or die "unable to load regions file\n";
		3403
		3404	for (cf::region::list) {
		3405	$_->{match} = qr/$_->{match}/
		3406	if exists $_->{match};
		3407	}
		3408	}
		3409
		3410	sub reload_facedata {
		3411	load_facedata "$DATADIR/facedata"
		3412	or die "unable to load facedata\n";
		3413	}
		3414
		3415	sub reload_archetypes {
		3416	load_resource_file "$DATADIR/archetypes"
		3417	or die "unable to load archetypes\n";
		3418	}
		3419
		3420	sub reload_treasures {
		3421	load_resource_file "$DATADIR/treasures"
		3422	or die "unable to load treasurelists\n";
		3423	}
		3424
		3425	sub reload_resources {
		3426	warn "reloading resource files...\n";
		3427
		3428	reload_facedata;
		3429	reload_archetypes;
		3430	reload_regions;
		3431	reload_treasures;
		3432
		3433	warn "finished reloading resource files\n";
		3434	}
		3435
		3436	sub reload_config {
		3437	warn "reloading config file...\n";
		3438
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3439	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3440	or return;
2180		3441
2181	local $/;	3442	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3443	*CFG = YAML::XS::Load scalar <$fh>;
2183		3444
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3445	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3446
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3447	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3448	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3452	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2192	and die "WARNING: m(un)lockall failed: $!\n";	3453	and die "WARNING: m(un)lockall failed: $!\n";
2193	};	3454	};
2194	warn $@ if $@;	3455	warn $@ if $@;
2195	}	3456	}
		3457
		3458	warn "finished reloading resource files\n";
		3459	}
		3460
		3461	sub pidfile() {
		3462	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3463	or die "$PIDFILE: $!";
		3464	flock $fh, &Fcntl::LOCK_EX
		3465	or die "$PIDFILE: flock: $!";
		3466	$fh
		3467	}
		3468
		3469	# make sure only one server instance is running at any one time
		3470	sub atomic {
		3471	my $fh = pidfile;
		3472
		3473	my $pid = <$fh>;
		3474	kill 9, $pid if $pid > 0;
		3475
		3476	seek $fh, 0, 0;
		3477	print $fh $$;
		3478	}
		3479
		3480	sub main_loop {
		3481	warn "EV::loop starting\n";
		3482	if (1) {
		3483	EV::loop;
		3484	}
		3485	warn "EV::loop returned\n";
		3486	goto &main_loop unless $REALLY_UNLOOP;
2196	}	3487	}
2197		3488
2198	sub main {	3489	sub main {
		3490	cf::init_globals; # initialise logging
		3491
		3492	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3493	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3494	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3495	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3496
		3497	cf::init_experience;
		3498	cf::init_anim;
		3499	cf::init_attackmess;
		3500	cf::init_dynamic;
		3501
		3502	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3503
2199	# we must not ever block the main coroutine	3504	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3505	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3506	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3507	(async {
		3508	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3509	EV::loop EV::LOOP_ONESHOT;
		3510	})->prio (Coro::PRIO_MAX);
2203	};	3511	};
2204		3512
2205	cfg_load;	3513	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3514
		3515	cf::sync_job {
		3516	cf::load_settings;
		3517	cf::load_materials;
		3518
		3519	reload_resources;
		3520	reload_config;
		3521	db_init;
		3522
		3523	cf::init_uuid;
		3524	cf::init_signals;
		3525	cf::init_commands;
		3526	cf::init_skills;
		3527
		3528	cf::init_beforeplay;
		3529
		3530	atomic;
		3531
2207	load_extensions;	3532	load_extensions;
2208	Event::loop;	3533
		3534	utime time, time, $RUNTIMEFILE;
		3535
		3536	# no (long-running) fork's whatsoever before this point(!)
		3537	use POSIX ();
		3538	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3539
		3540	(pop @POST_INIT)->(0) while @POST_INIT;
		3541	};
		3542
		3543	main_loop;
2209	}	3544	}
2210		3545
2211	#############################################################################	3546	#############################################################################
2212	# initialisation	3547	# initialisation and cleanup
2213		3548
		3549	# install some emergency cleanup handlers
		3550	BEGIN {
		3551	our %SIGWATCHER = ();
		3552	for my $signal (qw(INT HUP TERM)) {
		3553	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3554	cf::cleanup "SIG$signal";
		3555	};
		3556	}
		3557	}
		3558
		3559	sub write_runtime_sync {
		3560	# first touch the runtime file to show we are still running:
		3561	# the fsync below can take a very very long time.
		3562
		3563	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3564
		3565	my $guard = cf::lock_acquire "write_runtime";
		3566
		3567	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3568	or return;
		3569
		3570	my $value = $cf::RUNTIME + 90 + 10;
		3571	# 10 is the runtime save interval, for a monotonic clock
		3572	# 60 allows for the watchdog to kill the server.
		3573
		3574	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3575	and return;
		3576
		3577	# always fsync - this file is important
		3578	aio_fsync $fh
		3579	and return;
		3580
		3581	# touch it again to show we are up-to-date
		3582	aio_utime $fh, undef, undef;
		3583
		3584	close $fh
		3585	or return;
		3586
		3587	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3588	and return;
		3589
		3590	warn "runtime file written.\n";
		3591
		3592	1
		3593	}
		3594
		3595	our $uuid_lock;
		3596	our $uuid_skip;
		3597
		3598	sub write_uuid_sync($) {
		3599	$uuid_skip ||= $_[0];
		3600
		3601	return if $uuid_lock;
		3602	local $uuid_lock = 1;
		3603
		3604	my $uuid = "$LOCALDIR/uuid";
		3605
		3606	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3607	or return;
		3608
		3609	my $value = uuid_seq uuid_cur;
		3610
		3611	unless ($value) {
		3612	warn "cowardly refusing to write zero uuid value!\n";
		3613	return;
		3614	}
		3615
		3616	my $value = uuid_str $value + $uuid_skip;
		3617	$uuid_skip = 0;
		3618
		3619	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3620	and return;
		3621
		3622	# always fsync - this file is important
		3623	aio_fsync $fh
		3624	and return;
		3625
		3626	close $fh
		3627	or return;
		3628
		3629	aio_rename "$uuid~", $uuid
		3630	and return;
		3631
		3632	warn "uuid file written ($value).\n";
		3633
		3634	1
		3635
		3636	}
		3637
		3638	sub write_uuid($$) {
		3639	my ($skip, $sync) = @_;
		3640
		3641	$sync ? write_uuid_sync $skip
		3642	: async { write_uuid_sync $skip };
		3643	}
		3644
		3645	sub emergency_save() {
		3646	my $freeze_guard = cf::freeze_mainloop;
		3647
		3648	warn "emergency_perl_save: enter\n";
		3649
		3650	cf::sync_job {
		3651	# this is a trade-off: we want to be very quick here, so
		3652	# save all maps without fsync, and later call a global sync
		3653	# (which in turn might be very very slow)
		3654	local $USE_FSYNC = 0;
		3655
		3656	# use a peculiar iteration method to avoid tripping on perl
		3657	# refcount bugs in for. also avoids problems with players
		3658	# and maps saved/destroyed asynchronously.
		3659	warn "emergency_perl_save: begin player save\n";
		3660	for my $login (keys %cf::PLAYER) {
		3661	my $pl = $cf::PLAYER{$login} or next;
		3662	$pl->valid or next;
		3663	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3664	$pl->save;
		3665	}
		3666	warn "emergency_perl_save: end player save\n";
		3667
		3668	warn "emergency_perl_save: begin map save\n";
		3669	for my $path (keys %cf::MAP) {
		3670	my $map = $cf::MAP{$path} or next;
		3671	$map->valid or next;
		3672	$map->save;
		3673	}
		3674	warn "emergency_perl_save: end map save\n";
		3675
		3676	warn "emergency_perl_save: begin database checkpoint\n";
		3677	BDB::db_env_txn_checkpoint $DB_ENV;
		3678	warn "emergency_perl_save: end database checkpoint\n";
		3679
		3680	warn "emergency_perl_save: begin write uuid\n";
		3681	write_uuid_sync 1;
		3682	warn "emergency_perl_save: end write uuid\n";
		3683	};
		3684
		3685	warn "emergency_perl_save: starting sync()\n";
		3686	IO::AIO::aio_sync sub {
		3687	warn "emergency_perl_save: finished sync()\n";
		3688	};
		3689
		3690	warn "emergency_perl_save: leave\n";
		3691	}
		3692
		3693	sub post_cleanup {
		3694	my ($make_core) = @_;
		3695
		3696	warn Carp::longmess "post_cleanup backtrace"
		3697	if $make_core;
		3698
		3699	my $fh = pidfile;
		3700	unlink $PIDFILE if <$fh> == $$;
		3701	}
		3702
		3703	# a safer delete_package, copied from Symbol
		3704	sub clear_package($) {
		3705	my $pkg = shift;
		3706
		3707	# expand to full symbol table name if needed
		3708	unless ($pkg =~ /^main::.*::$/) {
		3709	$pkg = "main$pkg" if $pkg =~ /^::/;
		3710	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3711	$pkg .= '::' unless $pkg =~ /::$/;
		3712	}
		3713
		3714	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3715	my $stem_symtab = *{$stem}{HASH};
		3716
		3717	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3718	or return;
		3719
		3720	# clear all symbols
		3721	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3722	for my $name (keys %$leaf_symtab) {
		3723	_gv_clear *{"$pkg$name"};
		3724	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3725	}
		3726	warn "cleared package $pkg\n";#d#
		3727	}
		3728
2214	sub reload() {	3729	sub do_reload_perl() {
2215	# can/must only be called in main	3730	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3731	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3732	warn "can only reload from main coroutine";
2218	return;	3733	return;
2219	}	3734	}
2220		3735
		3736	return if $RELOAD++;
		3737
		3738	my $t1 = EV::time;
		3739
		3740	while ($RELOAD) {
2221	warn "reloading...";	3741	warn "reloading...";
2222		3742
2223	my $guard = freeze_mainloop;	3743	warn "entering sync_job";
		3744
		3745	cf::sync_job {
		3746	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3747	cf::emergency_save;
		3748	cf::write_runtime_sync; # external watchdog should not bark
2225		3749
2226	eval {	3750	warn "syncing database to disk";
		3751	BDB::db_env_txn_checkpoint $DB_ENV;
		3752
2227	# if anything goes wrong in here, we should simply crash as we already saved	3753	# if anything goes wrong in here, we should simply crash as we already saved
2228		3754
2229	# cancel all watchers	3755	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3756	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3757	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3758	}
2257		3759
2258	Symbol::delete_package $k;	3760	warn "cancelling all extension coros";
		3761	$_->cancel for values %EXT_CORO;
		3762	%EXT_CORO = ();
		3763
		3764	warn "removing commands";
		3765	%COMMAND = ();
		3766
		3767	warn "removing ext/exti commands";
		3768	%EXTCMD = ();
		3769	%EXTICMD = ();
		3770
		3771	warn "unloading/nuking all extensions";
		3772	for my $pkg (@EXTS) {
		3773	warn "... unloading $pkg";
		3774
		3775	if (my $cb = $pkg->can ("unload")) {
		3776	eval {
		3777	$cb->($pkg);
		3778	1
		3779	} or warn "$pkg unloaded, but with errors: $@";
		3780	}
		3781
		3782	warn "... clearing $pkg";
		3783	clear_package $pkg;
2259	}	3784	}
2260		3785
2261	# sync database to disk	3786	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3787	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3788	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		3789
		3790	warn "... unloading $k";
		3791	delete $INC{$k};
		3792
		3793	$k =~ s/\.pm$//;
		3794	$k =~ s/\//::/g;
		3795
		3796	if (my $cb = $k->can ("unload_module")) {
		3797	$cb->();
		3798	}
		3799
		3800	clear_package $k;
		3801	}
		3802
2265	# get rid of safe::, as good as possible	3803	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3804	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3805	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3806
2269	# remove register_script_function callbacks	3807	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3808	delete $INC{"cf.pm"};
		3809	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3810
2275	# don't, removes xs symbols, too,	3811	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3812	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3813	#clear_package __PACKAGE__;
2278		3814
2279	# reload cf.pm	3815	warn "unload completed, starting to reload now";
		3816
2280	warn "reloading cf.pm";	3817	warn "reloading cf.pm";
2281	require cf;	3818	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3819	cf::_connect_to_perl_1;
2283		3820
2284	# load config and database again	3821	warn "loading config and database again";
2285	cf::cfg_load;	3822	cf::reload_config;
2286	cf::db_load;
2287		3823
2288	# load extensions
2289	warn "load extensions";	3824	warn "loading extensions";
2290	cf::load_extensions;	3825	cf::load_extensions;
2291		3826
2292	# reattach attachments to objects	3827	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3828	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3829	_global_reattach; # objects, sockets
		3830	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3831	reattach $_ for values %MAP;
		3832	warn "reattaching attachments to players";
		3833	reattach $_ for values %PLAYER;
		3834	}
		3835
		3836	warn "running post_init jobs";
		3837	(pop @POST_INIT)->(1) while @POST_INIT;
		3838
		3839	warn "leaving sync_job";
		3840
		3841	1
		3842	} or do {
		3843	warn $@;
		3844	cf::cleanup "error while reloading, exiting.";
		3845	};
		3846
		3847	warn "reloaded";
		3848	--$RELOAD;
		3849	}
		3850
		3851	$t1 = EV::time - $t1;
		3852	warn "reload completed in ${t1}s\n";
		3853	};
		3854
		3855	our $RELOAD_WATCHER; # used only during reload
		3856
		3857	sub reload_perl() {
		3858	# doing reload synchronously and two reloads happen back-to-back,
		3859	# coro crashes during coro_state_free->destroy here.
		3860
		3861	$RELOAD_WATCHER ||= cf::async {
		3862	Coro::AIO::aio_wait cache_extensions;
		3863
		3864	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3865	do_reload_perl;
		3866	undef $RELOAD_WATCHER;
		3867	};
2296	};	3868	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3869	}
2349
2350	register "<global>", __PACKAGE__;
2351		3870
2352	register_command "reload" => sub {	3871	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3872	my ($who, $arg) = @_;
2354		3873
2355	if ($who->flag (FLAG_WIZ)) {	3874	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3875	$who->message ("reloading server.");
		3876	async {
		3877	$Coro::current->{desc} = "perl_reload";
		3878	reload_perl;
		3879	};
2359	}	3880	}
2360	};	3881	};
2361		3882
2362	unshift @INC, $LIBDIR;	3883	unshift @INC, $LIBDIR;
2363		3884
2364	$TICK_WATCHER = Event->timer (	3885	my $bug_warning = 0;
2365	reentrant => 0,	3886
2366	prio => 0,	3887	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3888	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3889
2369	cb => sub {	3890	sub wait_for_tick {
		3891	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3892
		3893	my $signal = new Coro::Signal;
		3894	push @WAIT_FOR_TICK, $signal;
		3895	$signal->wait;
		3896	}
		3897
		3898	sub wait_for_tick_begin {
		3899	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3900
		3901	my $signal = new Coro::Signal;
		3902	push @WAIT_FOR_TICK_BEGIN, $signal;
		3903	$signal->wait;
		3904	}
		3905
		3906	sub tick {
		3907	if ($Coro::current != $Coro::main) {
		3908	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3909	unless ++$bug_warning > 10;
		3910	return;
		3911	}
		3912
2370	cf::server_tick; # one server iteration	3913	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3914
2374	# if we are delayed by four ticks or more, skip them all	3915	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3916	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2376		3917	Coro::async_pool {
2377	$TICK_WATCHER->at ($NEXT_TICK);	3918	$Coro::current->{desc} = "runtime saver";
2378	$TICK_WATCHER->start;
2379	},
2380	);
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3919	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	3920	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3921	};
2401	},	3922	}
2402	);	3923
		3924	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3925	$sig->send;
		3926	}
		3927	while (my $sig = shift @WAIT_FOR_TICK) {
		3928	$sig->send;
		3929	}
		3930
		3931	$LOAD = ($NOW - $TICK_START) / $TICK;
		3932	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3933
		3934	if (0) {
		3935	if ($NEXT_TICK) {
		3936	my $jitter = $TICK_START - $NEXT_TICK;
		3937	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3938	warn "jitter $JITTER\n";#d#
		3939	}
		3940	}
		3941	}
		3942
		3943	{
		3944	# configure BDB
		3945
		3946	BDB::min_parallel 8;
		3947	BDB::max_poll_reqs $TICK * 0.1;
		3948	$AnyEvent::BDB::WATCHER->priority (1);
		3949
		3950	unless ($DB_ENV) {
		3951	$DB_ENV = BDB::db_env_create;
		3952	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3953	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3954	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3955	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3956	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3957
		3958	cf::sync_job {
		3959	eval {
		3960	BDB::db_env_open
		3961	$DB_ENV,
		3962	$BDBDIR,
		3963	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3964	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3965	0666;
		3966
		3967	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3968	};
		3969
		3970	cf::cleanup "db_env_open(db): $@" if $@;
		3971	};
		3972	}
		3973
		3974	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3975	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3976	};
		3977	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3978	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3979	};
		3980	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3981	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3982	};
		3983	}
		3984
		3985	{
		3986	# configure IO::AIO
		3987
		3988	IO::AIO::min_parallel 8;
		3989	IO::AIO::max_poll_time $TICK * 0.1;
		3990	undef $AnyEvent::AIO::WATCHER;
		3991	}
		3992
		3993	my $_log_backtrace;
		3994
		3995	sub _log_backtrace {
		3996	my ($msg, @addr) = @_;
		3997
		3998	$msg =~ s/\n//;
		3999
		4000	# limit the # of concurrent backtraces
		4001	if ($_log_backtrace < 2) {
		4002	++$_log_backtrace;
		4003	my $perl_bt = Carp::longmess $msg;
		4004	async {
		4005	$Coro::current->{desc} = "abt $msg";
		4006
		4007	my @bt = fork_call {
		4008	@addr = map { sprintf "%x", $_ } @addr;
		4009	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4010	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4011	or die "addr2line: $!";
		4012
		4013	my @funcs;
		4014	my @res = <$fh>;
		4015	chomp for @res;
		4016	while (@res) {
		4017	my ($func, $line) = splice @res, 0, 2, ();
		4018	push @funcs, "[$func] $line";
		4019	}
		4020
		4021	@funcs
		4022	};
		4023
		4024	LOG llevInfo, "[ABT] $perl_bt\n";
		4025	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4026	LOG llevInfo, "[ABT] $_\n" for @bt;
		4027	--$_log_backtrace;
		4028	};
		4029	} else {
		4030	LOG llevInfo, "[ABT] $msg\n";
		4031	LOG llevInfo, "[ABT] [suppressed]\n";
		4032	}
		4033	}
		4034
		4035	# load additional modules
		4036	require "cf/$_.pm" for @EXTRA_MODULES;
		4037	cf::_connect_to_perl_2;
2403		4038
2404	END { cf::emergency_save }	4039	END { cf::emergency_save }
2405		4040
2406	1	4041	1
2407		4042

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