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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.185 by root, Fri Jan 19 23:32:52 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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 3.4 ();	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;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		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" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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 $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	118	our $NEXT_TICK;
52	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
53		127
54	our %CFG;	128	our %CFG;
55		129
56	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
58		133
59	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		137
67	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
70	binmode STDOUT;	151	binmode STDOUT;
71	binmode STDERR;	152	binmode STDERR;
72		153
73	# read virtual server time, if available	154	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
78	}	159	}
79		160
80	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	162
82	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		165
86	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		180
88	#############################################################################	181	#############################################################################
89		182
90	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
91		184
…		…
98	=item $cf::RUNTIME	191	=item $cf::RUNTIME
99		192
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	194	every server tick.
102		195
103	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		199
105	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
107		204
108	=item $cf::NOW	205	=item $cf::NOW
109		206
110	The time of the last (current) server tick.	207	The time of the last (current) server tick.
111		208
112	=item $cf::TICK	209	=item $cf::TICK
113		210
114	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
115		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
116	=item %cf::CFG	223	=item %cf::CFG
117		224
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	226	from wherever your confdir points to.
120		227
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		229
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
127		245
128	=back	246	=back
129		247
130	=cut	248	=cut
131		249
132	BEGIN {	250	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	251	my $msg = join "", @_;
135	utf8::encode $msg;
136		252
137	$msg .= "\n"	253	$msg .= "\n"
138	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
139		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
140	LOG llevError, $msg;	258	LOG llevError, $msg;
141	};	259	};
142	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
143		274
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		282
151	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	284	# within the Safe compartment.
153	for my $pkg (qw(	285	for my $pkg (qw(
154	cf::global cf::attachable	286	cf::global cf::attachable
155	cf::object cf::object::player	287	cf::object cf::object::player
156	cf::client cf::player	288	cf::client cf::player
157	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
158	cf::map cf::party cf::region	291	cf::party cf::region
159	)) {	292	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	294	}
163		295
164	$Event::DIED = sub {	296	$EV::DIED = sub {
165	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
166	};	298	};
		299
		300	#############################################################################
167		301
168	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
169		303
170	=over 4	304	=over 4
171		305
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	325	$d
192	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
193	}	327	}
194		328
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
198		330
199	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
200		332
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
209		334
210	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
211		336
212	=cut	337	=cut
213		338
214	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
216	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
217	}	356	}
218		357
219	=item cf::lock_wait $string	358	=item cf::lock_wait $string
220		359
221	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
222		361
223	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
224		363
225	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
228	returned.	367	returned.
229		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
230	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
232		374
233	=cut	375	=item $locked = cf::lock_active $string
234		376
235	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
236		382
237	sub lock_wait($) {	383	sub lock_wait($) {
238	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	385	}
246		386
247	sub lock_acquire($) {	387	sub lock_acquire($) {
248	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
249		390
250	# wait, to be sure we are not locked	391	sub lock_active($) {
251	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	393	}
260		394
261	sub freeze_mainloop {	395	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
263		397
264	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	399	}
266	$WRITE_RUNTIME_WATCHER->start;	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
267	};	465	}
268	$WRITE_RUNTIME_WATCHER->stop;	466	};
269	$TICK_WATCHER->stop;	467
270	$guard	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
271	}	481	}
272		482
273	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
274		484
275	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		490
281	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
282		492
283	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
284		494
285	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
288		499
289	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
292	fast or be very important.	503	fast or be very important.
…		…
295		506
296	sub sync_job(&) {	507	sub sync_job(&) {
297	my ($job) = @_;	508	my ($job) = @_;
298		509
299	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
300	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
302		515
303	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	517
305	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
306		519
307	my $busy = 1;	520	my $busy = 1;
308	my @res;	521	my @res;
309		522
310	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	525	@res = eval { $job->() };
312	warn $@ if $@;	526	warn $@ if $@;
313	undef $busy;	527	undef $busy;
314	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
315		529
316	while ($busy) {	530	while ($busy) {
317	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
318	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
319		541
320	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
321	} else {	543	} else {
322	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
323		545
…		…
343	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
344		566
345	$coro	567	$coro
346	}	568	}
347		569
348	sub write_runtime {	570	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		571
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
352	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
353		576
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		578
358	aio_fsync $fh	579	sub fork_call(&@) {
359	and return;	580	my ($cb, @args) = @_;
360		581
361	close $fh	582	# we seemingly have to make a local copy of the whole thing,
362	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
363		585
364	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
365	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
366		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
367	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	768	}
369		769
370	=back	770	=back
371		771
372	=cut	772	=cut
373		773
374	#############################################################################	774	#############################################################################
375		775
376	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
377		777
378	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
381		781
382	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	784	Deliantra).
385		785
386	=over 4	786	=over 4
387		787
388	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
389		789
…		…
433	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
434		834
435	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
437		837
438	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
440		840
441	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
442		842
443	=over 4	843	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
553		953
554	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		958
559	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	960	my $pkg = shift @arg;
561		961
562	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
592	}	992	}
593		993
594	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
595	} else {	995	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	997	}
598		998
599	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
600	}	1000	}
601		1001
…		…
603	if (ref $_[0]) {	1003	if (ref $_[0]) {
604	_object_attach @_;	1004	_object_attach @_;
605	} else {	1005	} else {
606	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
607	}	1007	}
		1008	_recalc_want;
608	};	1009	};
609		1010
610	# all those should be optimised	1011	# all those should be optimised
611	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1017	reattach ($obj);
617	} else {	1018	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
619	}	1020	}
		1021	_recalc_want;
620	};	1022	};
621		1023
622	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
624		1026
…		…
639	";	1041	";
640	die if $@;	1042	die if $@;
641	}	1043	}
642		1044
643	our $override;	1045	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1047
646	sub override {	1048	sub override {
647	$override = 1;	1049	$override = 1;
648	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
649	}	1051	}
650		1052
651	sub do_invoke {	1053	sub do_invoke {
652	my $event = shift;	1054	my $event = shift;
653	my $callbacks = shift;	1055	my $callbacks = shift;
654		1056
655	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
656		1058
657	local $override;	1059	local $override;
658		1060
659	for (@$callbacks) {	1061	for (@$callbacks) {
660	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
669	}	1071	}
670		1072
671	0	1073	0
672	}	1074	}
673		1075
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1077
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1079
678	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
679		1081
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1085
684	=back	1086	=back
685		1087
686	=cut	1088	=cut
687		1089
688	#############################################################################	1090	#############################################################################
689	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
690		1134
691	sub reattach {	1135	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1137	my ($obj) = @_;
694		1138
		1139	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1141
697	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
698		1143
699	@$registry = ();	1144	@$registry = ();
700		1145
…		…
715	cf::attachable->attach (	1160	cf::attachable->attach (
716	prio => -1000000,	1161	prio => -1000000,
717	on_instantiate => sub {	1162	on_instantiate => sub {
718	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
719		1164
720	$data = from_json $data;	1165	$data = decode_json $data;
721		1166
722	for (@$data) {	1167	for (@$data) {
723	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
724		1169
725	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1186	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
743		1188
744	sync_job {	1189	sync_job {
745	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
748		1194
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
752	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
753	close $fh;	1202	aio_close $fh;
754		1203
755	if (@$objs) {	1204	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
760	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
761	close $fh;	1213	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
763	}	1215	}
764	} else {	1216	} else {
765	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
766	}	1218	}
767		1219
768	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1224	} else {
770	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
771	}	1226	}
772	} else {	1227	} else {
773	aio_unlink $filename;	1228	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
775	}	1230	}
776	}	1231	};
777	}	1232	}
778		1233
779	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
781		1236
…		…
793	or return;	1248	or return;
794		1249
795	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
797	or return;	1252	or return;
		1253
798	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
799	}	1256	}
800		1257
		1258	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
803	return ($data, $av);	1262	($data, $av)
804	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
805		1270
806	#############################################################################	1271	#############################################################################
807	# command handling &c	1272	# command handling &c
808		1273
809	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1288	}
824		1289
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1291
827	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
828		1297
829	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
830	called.	1299	called.
831		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
832	=cut	1312	=cut
833		1313
834	sub register_extcmd {	1314	sub register_extcmd {
835	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
836		1316
837	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
838	}	1318	}
839		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
840	cf::player->attach (	1328	cf::player->attach (
841	on_command => sub {	1329	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
843		1331
844	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
845	or return;	1333	or return;
846		1334
…		…
851	cf::override;	1339	cf::override;
852	},	1340	},
853	on_extcmd => sub {	1341	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
855		1343
856	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1345
858	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
864	} else {	1361	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1363	}
867		1364
868	cf::override;	1365	cf::override;
869	},	1366	},
870	);	1367	);
871		1368
		1369	# "readahead" all extensions
872	sub load_extension {	1370	sub cache_extensions {
873	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
874		1372
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1376	}
900	die $@;
901	}	1377	};
902		1378
903	push @EXTS, $pkg;	1379	$grp
904	}	1380	}
905		1381
906	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
907	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1387	next unless -r $path;
909	eval {	1388
910	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
911	1	1452	}
912	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
913	}	1463	};
914	}	1464	}
915		1465
916	#############################################################################	1466	#############################################################################
917		1467
		1468	=back
		1469
918	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
919		1471
920	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
921		1473
922	=cut	1474	=cut
923		1475
924	package cf::player;	1476	package cf::player;
925		1477
…		…
927		1479
928	=head3 cf::player	1480	=head3 cf::player
929		1481
930	=over 4	1482	=over 4
931		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
932	=item cf::player::find $login	1498	=item cf::player::find $login
933		1499
934	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
935		1501
936	=cut	1502	=cut
937		1503
938	sub playerdir($) {	1504	sub playerdir($) {
939	cf::localdir	1505	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1507	}
945		1508
946	sub path($) {	1509	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1511
949	(playerdir $login) . "/$login.pl"	1512	(playerdir $login) . "/playerdata"
950	}	1513	}
951		1514
952	sub find_active($) {	1515	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1516	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1517	and $cf::PLAYER{$_[0]}->active
…		…
957		1520
958	sub exists($) {	1521	sub exists($) {
959	my ($login) = @_;	1522	my ($login) = @_;
960		1523
961	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat path $login }	1525	or !aio_stat path $login
963	}	1526	}
964		1527
965	sub find($) {	1528	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1530	my $login = $_[0];
968		1531
969	my $guard = cf::lock_acquire "user_find:$login";	1532	my $guard = cf::lock_acquire "user_find:$login";
970		1533
971	$cf::PLAYER{$_[0]} || do {	1534	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1535	# rename old playerfiles to new ones
		1536	#TODO: remove when no longer required
		1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1540	aio_unlink +(playerdir $login) . "/$login.pl";
		1541
		1542	my $f = new_from_file cf::object::thawer path $login
973	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
975	}	1551	}
976	}	1552	}
977	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
978		1567
979	sub save($) {	1568	sub save($) {
980	my ($pl) = @_;	1569	my ($pl) = @_;
981		1570
982	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
988		1577
989	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
991		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
992	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
993	Coro::cede;	1587	cf::cede_to_tick;
994	}	1588	}
995		1589
996	sub new($) {	1590	sub new($) {
997	my ($login) = @_;	1591	my ($login) = @_;
998		1592
…		…
1004	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1005		1599
1006	$self	1600	$self
1007	}	1601	}
1008		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1009	=item $pl->quit_character	1613	=item $pl->quit_character
1010		1614
1011	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1013		1617
1014	=cut	1618	=cut
1015		1619
1016	sub quit_character {	1620	sub quit_character {
1017	my ($pl) = @_;	1621	my ($pl) = @_;
1018		1622
		1623	my $name = $pl->ob->name;
		1624
1019	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1627
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1026		1634
1027	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1637	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1638	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1639	$pl->destroy;
		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
1032	IO::AIO::aio_rmtree $temp;	1646	IO::AIO::aio_rmtree $temp;
		1647	}
		1648
		1649	=item $pl->kick
		1650
		1651	Kicks a player out of the game. This destroys the connection.
		1652
		1653	=cut
		1654
		1655	sub kick {
		1656	my ($pl, $kicker) = @_;
		1657
		1658	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1659	$pl->killer ("kicked");
		1660	$pl->ns->destroy;
1033	}	1661	}
1034		1662
1035	=item cf::player::list_logins	1663	=item cf::player::list_logins
1036		1664
1037	Returns am arrayref of all valid playernames in the system, can take a	1665	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1666	while and may block, so not sync_job-capable, ever.
1039		1667
1040	=cut	1668	=cut
1041		1669
1042	sub list_logins {	1670	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1671	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1672	or return [];
1045		1673
1046	my @logins;	1674	my @logins;
1047		1675
1048	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1052		1686
1053	utf8::decode $login;	1687	utf8::decode $login;
1054	push @logins, $login;	1688	push @logins, $login;
1055	}	1689	}
1056		1690
…		…
1064		1698
1065	=cut	1699	=cut
1066		1700
1067	sub maps($) {	1701	sub maps($) {
1068	my ($pl) = @_;	1702	my ($pl) = @_;
		1703
		1704	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1705
1070	my $files = aio_readdir playerdir $pl	1706	my $files = aio_readdir playerdir $pl
1071	or return;	1707	or return;
1072		1708
1073	my @paths;	1709	my @paths;
…		…
1075	for (@$files) {	1711	for (@$files) {
1076	utf8::decode $_;	1712	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1713	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1714	next unless /^$PATH_SEP/o;
1079		1715
1080	s/\.map$//;	1716	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1717	}
1083		1718
1084	\@paths	1719	\@paths
1085	}	1720	}
1086		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1088		1727
1089	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1090		1729
1091	=cut	1730	=cut
1092		1731
1093	sub ext_reply($$$%) {	1732	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1095		1734
1096	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1736	}
1100		1737
1101	package cf;	1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
		1751
		1752	=over 4
		1753
		1754	=cut
		1755
		1756	package cf::region;
		1757
		1758	=item cf::region::find_by_path $path
		1759
		1760	Tries to decuce the likely region for a map knowing only its path.
		1761
		1762	=cut
		1763
		1764	sub find_by_path($) {
		1765	my ($path) = @_;
		1766
		1767	my ($match, $specificity);
		1768
		1769	for my $region (list) {
		1770	if ($region->{match} && $path =~ $region->{match}) {
		1771	($match, $specificity) = ($region, $region->specificity)
		1772	if $region->specificity > $specificity;
		1773	}
		1774	}
		1775
		1776	$match
		1777	}
1102		1778
1103	=back	1779	=back
1104
1105		1780
1106	=head3 cf::map	1781	=head3 cf::map
1107		1782
1108	=over 4	1783	=over 4
1109		1784
…		…
1121	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1123		1798
1124	sub generate_random_map {	1799	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1803
1126	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1805	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1815	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1816	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1817	)
1140	}	1818	}
1141		1819
		1820	=item cf::map->register ($regex, $prio)
		1821
		1822	Register a handler for the map path matching the given regex at the
		1823	givne priority (higher is better, built-in handlers have priority 0, the
		1824	default).
		1825
		1826	=cut
		1827
1142	sub register {	1828	sub register {
1143	my (undef, $regex) = @_;	1829	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1830	my $pkg = caller;
1145		1831
1146	no strict;	1832	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1833	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1834
1149	$EXT_MAP{$pkg} = qr<$regex>;	1835	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1836	}
1151		1837
1152	# also paths starting with '/'	1838	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1839	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1840
1155	sub thawer_merge {	1841	sub thawer_merge {
1156	my ($self, $merge) = @_;	1842	my ($self, $merge) = @_;
1157		1843
1158	# we have to keep some variables in memory intact	1844	# we have to keep some variables in memory intact
1159	local $self->{path};	1845	local $self->{path};
1160	local $self->{load_path};	1846	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1847
1164	$self->SUPER::thawer_merge ($merge);	1848	$self->SUPER::thawer_merge ($merge);
1165	}	1849	}
1166		1850
1167	sub normalise {	1851	sub normalise {
1168	my ($path, $base) = @_;	1852	my ($path, $base) = @_;
		1853
		1854	$path = "$path"; # make sure its a string
		1855
		1856	$path =~ s/\.map$//;
1169		1857
1170	# map plan:	1858	# map plan:
1171	#	1859	#
1172	# /! non-realised random map exit (special hack!)	1860	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1861	# {... are special paths that are not being touched
…		…
1201		1889
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1890	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1891
1204	$path = normalise $path, $base;	1892	$path = normalise $path, $base;
1205		1893
1206	for my $pkg (keys %EXT_MAP) {	1894	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1895	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1896	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1897	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1898	$self->init; # pass $1 etc.
1211	return $self;	1899	return $self;
1212	}	1900	}
1213	}	1901	}
1214		1902
1215	Carp::carp "unable to resolve path '$path'.";	1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1904	()
1217	}	1905	}
1218		1906
1219	sub init {	1907	sub init {
1220	my ($self) = @_;	1908	my ($self) = @_;
…		…
1235		1923
1236	# the original (read-only) location	1924	# the original (read-only) location
1237	sub load_path {	1925	sub load_path {
1238	my ($self) = @_;	1926	my ($self) = @_;
1239		1927
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1928	"$MAPDIR/$self->{path}.map"
1241	}	1929	}
1242		1930
1243	# the temporary/swap location	1931	# the temporary/swap location
1244	sub save_path {	1932	sub save_path {
1245	my ($self) = @_;	1933	my ($self) = @_;
1246		1934
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1936	"$TMPDIR/$path.map"
1249	}	1937	}
1250		1938
1251	# the unique path, undef == no special unique path	1939	# the unique path, undef == no special unique path
1252	sub uniq_path {	1940	sub uniq_path {
1253	my ($self) = @_;	1941	my ($self) = @_;
1254		1942
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1944	"$UNIQUEDIR/$path"
1257	}	1945	}
1258		1946
1259	# and all this just because we cannot iterate over	1947	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	1948	my ($self) = @_;
1263		1949
1264	$_->change_map_light ($change)	1950	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	1951
		1952	$self->do_decay_objects;
1266	}	1953	}
1267		1954
1268	sub unlink_save {	1955	sub unlink_save {
1269	my ($self) = @_;	1956	my ($self) = @_;
1270		1957
…		…
1275		1962
1276	sub load_header_from($) {	1963	sub load_header_from($) {
1277	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1278		1965
1279	utf8::encode $path;	1966	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1281	or return;	1968	or return;
1282		1969
1283	$self->_load_header ($path)	1970	$self->_load_header ($f)
1284	or return;	1971	or return;
1285		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
		1975
1286	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1287		1977
1288	1	1978	1
1289	}	1979	}
1290		1980
1291	sub load_orig {	1981	sub load_header_orig {
1292	my ($self) = @_;	1982	my ($self) = @_;
1293		1983
1294	$self->load_header_from ($self->load_path)	1984	$self->load_header_from ($self->load_path)
1295	}	1985	}
1296		1986
1297	sub load_temp {	1987	sub load_header_temp {
1298	my ($self) = @_;	1988	my ($self) = @_;
1299		1989
1300	$self->load_header_from ($self->save_path)	1990	$self->load_header_from ($self->save_path)
		1991	}
		1992
		1993	sub prepare_temp {
		1994	my ($self) = @_;
		1995
		1996	$self->last_access ((delete $self->{last_access})
		1997	|| $cf::RUNTIME); #d#
		1998	# safety
		1999	$self->{instantiate_time} = $cf::RUNTIME
		2000	if $self->{instantiate_time} > $cf::RUNTIME;
		2001	}
		2002
		2003	sub prepare_orig {
		2004	my ($self) = @_;
		2005
		2006	$self->{load_original} = 1;
		2007	$self->{instantiate_time} = $cf::RUNTIME;
		2008	$self->last_access ($cf::RUNTIME);
		2009	$self->instantiate;
1301	}	2010	}
1302		2011
1303	sub load_header {	2012	sub load_header {
1304	my ($self) = @_;	2013	my ($self) = @_;
1305		2014
1306	if ($self->load_temp) {	2015	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2016	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2017	} else {
1313	$self->load_orig	2018	$self->load_header_orig
1314	or return;	2019	or return;
1315		2020	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2021	}
		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
1321		2028
1322	1	2029	1
1323	}	2030	}
1324		2031
1325	sub find;	2032	sub find;
1326	sub find {	2033	sub find {
1327	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1328		2035
1329	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1330		2037
		2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2040
1333	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1336	or return;	2043	or return;
1337		2044
1338	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1339		2046
1340	$map->load_header	2047	$map->load_header
1341	or return;	2048	or return;
1342		2049
1343	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1344	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1345	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1346	$map->reset;	2055	$map->reset;
1347	undef $guard;
1348	$map = find $path	2056	return find $path;
1349	or return;
1350	}	2057	}
1351		2058
1352	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1353	}	2060	}
1354	}	2061	}
		2062
		2063	sub pre_load { }
		2064	#sub post_load { } # XS
1355		2065
1356	sub load {	2066	sub load {
1357	my ($self) = @_;	2067	my ($self) = @_;
1358		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1359	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1361		2075
		2076	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2078
1364	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1365		2080
1366	$self->alloc;	2081	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1368	or return;	2089	or return;
1369		2090
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1371	if delete $self->{load_original};	2092	if delete $self->{load_original};
1372		2093
1373	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2095	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2098	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1378	}	2102	}
1379	}	2103	}
1380		2104
1381	Coro::cede;	2105	$f->resolve_delayed_derefs;
1382		2106
		2107	cf::cede_to_tick;
1383	# now do the right thing for maps	2108	# now do the right thing for maps
1384	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2111	unless $self->difficulty;
1394	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1395	$self->activate;	2119	$self->activate;
1396	}	2120	}
1397		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
1399	}	2126	}
1400		2127
		2128	$self->post_load;
		2129	}
		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
1401	sub customise_for {	2134	sub customise_for {
1402	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1403		2136
1404	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2138	if $self->per_player;
1406		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1407	$self	2143	$self
1408	}	2144	}
1409		2145
1410	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2147	sub load_neighbours {
1412	my ($map) = @_;	2148	my ($map) = @_;
1413		2149
1414	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1415		2151
1416	for (0 .. 3) {	2152	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1418	or next;	2154	or next;
1419	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1420	or next;	2156	or next;
1421	$neigh->load;	2157	$neigh->load;
1422		2158
		2159	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2162	}
1426		2163
1427	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1429	or next;	2167	or next;
1430	$neigh->load;	2168	$neigh->load;
1431	}	2169	}
1432	}	2170	}
1433		2171
…		…
1438	}	2176	}
1439		2177
1440	sub do_load_sync {	2178	sub do_load_sync {
1441	my ($map) = @_;	2179	my ($map) = @_;
1442		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1443	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1444	}	2185	}
1445		2186
1446	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1448		2189
1449	sub find_async {	2190	sub find_async {
1450	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1451		2192
1452	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1453		2194
1454	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1455	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1456	}	2197	}
1457		2198
1458	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1459	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1460	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1461	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1462	my $map = find $path	2206	if (my $map = find $k) {
1463	or next;
1464	$map->load;	2207	$map->load if $v;
		2208	}
1465		2209
1466	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1467	}	2211	}
1468	}	2212	}
1469	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1470	};	2214	};
		2215	$MAP_PREFETCHER->prio (6);
1471		2216
1472	()	2217	()
1473	}	2218	}
1474		2219
		2220	# common code, used by both ->save and ->swapout
1475	sub save {	2221	sub _save {
1476	my ($self) = @_;	2222	my ($self) = @_;
1477
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1479		2223
1480	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1481		2225
1482	return unless $self->dirty;	2226	return unless $self->dirty;
1483		2227
…		…
1489	return if $self->{deny_save};	2233	return if $self->{deny_save};
1490		2234
1491	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1492		2236
1493	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1495	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1496		2243
1497	if ($uniq) {	2244	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2247	} else {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1502	}	2249	}
1503	}	2250	}
1504		2251
		2252	sub save {
		2253	my ($self) = @_;
		2254
		2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2256
		2257	$self->_save;
		2258	}
		2259
1505	sub swap_out {	2260	sub swap_out {
1506	my ($self) = @_;	2261	my ($self) = @_;
1507		2262
1508	# save first because save cedes
1509	$self->save;
1510
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1513	return if $self->players;	2267	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};
1516		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1517	$self->clear;	2278	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2279	}
1520		2280
1521	sub reset_at {	2281	sub reset_at {
1522	my ($self) = @_;	2282	my ($self) = @_;
1523		2283
1524	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1527		2286
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2289
…		…
1541	my ($self) = @_;	2300	my ($self) = @_;
1542		2301
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2303
1545	return if $self->players;	2304	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2305
1548	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
		2307
		2308	$self->in_memory (cf::MAP_SWAPPED);
		2309
		2310	# need to save uniques path
		2311	unless ($self->{deny_save}) {
		2312	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2313
		2314	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2315	if $uniq;
		2316	}
1549		2317
1550	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1551		2319
1552	$self->in_memory (cf::MAP_SWAPPED);	2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2322	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2323
1557	$self->unlink_save;	2324	$self->unlink_save;
1558	$self->destroy;	2325	$self->destroy;
1559	}	2326	}
1560		2327
1561	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1562		2329
1563	sub nuke {	2330	sub nuke {
1564	my ($self) = @_;	2331	my ($self) = @_;
1565		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
1566	delete $cf::MAP{$self->path};	2336	delete $cf::MAP{$self->path};
1567		2337
1568	$self->unlink_save;	2338	$self->unlink_save;
1569		2339
1570	bless $self, "cf::map";	2340	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2341	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2345
1576	$cf::MAP{$self->path} = $self;	2346	$cf::MAP{$self->path} = $self;
		2347	}
1577		2348
1578	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
		2350	}
		2351
		2352	=item $maps = cf::map::tmp_maps
		2353
		2354	Returns an arrayref with all map paths of currently instantiated and saved
		2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
		2360	[
		2361	map {
		2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
		2368	}
		2369
		2370	=item $maps = cf::map::random_maps
		2371
		2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
		2374
		2375	=cut
		2376
		2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
1579	}	2386	}
1580		2387
1581	=item cf::map::unique_maps	2388	=item cf::map::unique_maps
1582		2389
1583	Returns an arrayref of paths of all shared maps that have	2390	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2391	instantiated unique items. May block.
1585		2392
1586	=cut	2393	=cut
1587		2394
1588	sub unique_maps() {	2395	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2396	[
1590	or return;	2397	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2398	utf8::decode $_;
1596	next if /\.pst$/;	2399	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2401	? ()
		2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
		2404	]
		2405	}
1598		2406
		2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
1599	s/\.map$//;	2428	s/\.map$// or next;
1600	push @paths, $_;	2429	utf8::decode $_;
1601	}	2430	push @maps, "$dir/$_";
		2431	}
1602		2432
1603	\@paths	2433	push @dirs, map "$dir/$_", @$dirs;
1604	}	2434	}
1605		2435
1606	package cf;	2436	\@maps
		2437	}
1607		2438
1608	=back	2439	=back
1609		2440
1610	=head3 cf::object	2441	=head3 cf::object
1611		2442
…		…
1615		2446
1616	=over 4	2447	=over 4
1617		2448
1618	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
1619		2450
1620	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
1621		2453
1622	=cut	2454	=cut
1623		2455
1624	sub inv_recursive_;	2456	sub inv_recursive_;
1625	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
1628		2460
1629	sub inv_recursive {	2461	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
1631	}	2463	}
1632		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
1633	package cf;	2493	package cf;
1634		2494
1635	=back	2495	=back
1636		2496
1637	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
1643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1645	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1646		2506
1647	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1648		2522
1649	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2524	# with dialog boxes.
1651	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1652	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1654		2528
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2530
1657	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1659	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1662	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1663	}	2556	}
1664		2557
1665	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1666		2559
1667	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1680		2573
1681	=item $player_object->enter_link	2574	=item $player_object->enter_link
1682		2575
1683	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1684		2577
1685	The player should be reasonably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1686	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
1687		2582
1688	Will never block.	2583	Will never block.
1689		2584
1690	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1691		2586
…		…
1699	=cut	2594	=cut
1700		2595
1701	sub link_map {	2596	sub link_map {
1702	unless ($LINK_MAP) {	2597	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2598	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2599	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2600	$LINK_MAP->load;
1706	}	2601	}
1707		2602
1708	$LINK_MAP	2603	$LINK_MAP
1709	}	2604	}
…		…
1714	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1715		2610
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2612
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1720		2615
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1722	}	2617	}
1723		2618
1724	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1726		2623
1727	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1728		2625
1729	unless ($map) {	2626	unless ($map) {
1730	# restore original map position	2627	# restore original map position
…		…
1741	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1742	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1743		2640
1744	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1747		2644
1748	$map->load;	2645	$map->load;
1749	$map->load_diag;	2646	$map->load_neighbours;
1750		2647
1751	return unless $self->contr->active;	2648	return unless $self->contr->active;
		2649
		2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
1752	$self->activate_recursive;	2654	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}	2655	}
1755		2656
1756	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2658
1760	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1764	};	2663	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2664
1770	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1771	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2667
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2668	=cut
		2669
		2670	our $GOTOGEN;
1791		2671
1792	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
		2674
		2675	# do generation counting so two concurrent goto's will be executed in-order
		2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2677
1795	$self->enter_link;	2678	$self->enter_link;
1796		2679
1797	(async {	2680	(async {
1798	my $map = cf::map::find $path;	2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
		2702	my $map = eval {
		2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
1800		2707	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2708	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
1805		2711
		2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
		2718	}
		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1807	})->prio (1);	2726	})->prio (1);
1808	}	2727	}
1809		2728
1810	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1811		2730
…		…
1831	}	2750	}
1832		2751
1833	sub prepare_random_map {	2752	sub prepare_random_map {
1834	my ($exit) = @_;	2753	my ($exit) = @_;
1835		2754
1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1837
1838	# all this does is basically replace the /! path by	2755	# all this does is basically replace the /! path by
1839	# a new random map path (?random/...) with a seed	2756	# a new random map path (?random/...) with a seed
1840	# that depends on the exit object	2757	# that depends on the exit object
1841		2758
1842	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
1843		2760
1844	if ($exit->map) {	2761	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2762	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1849	}	2768	}
1850		2769
1851	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1852		2771
1853	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1854	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2774	my $meta = "$RANDOMDIR/$md5.meta";
1856		2775
1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
1859	undef $fh;	2778	undef $fh;
1860	aio_rename "$meta~", $meta;	2779	aio_rename "$meta~", $meta;
1861		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1862	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1863	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1864	}	2787	}
1865	}	2788	}
1866		2789
1867	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1868	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
…		…
1870	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1871		2794
1872	$self->enter_link;	2795	$self->enter_link;
1873		2796
1874	(async {	2797	(async {
1875	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
1876	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
1877	prepare_random_map $exit	2807	prepare_random_map $exit
1878	if $exit->slaying eq "/!";	2808	if $exit->slaying eq "/!";
		2809	}
1879		2810
1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
1882		2814
		2815	$self->goto ($map, $x, $y);
		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
1883	1;	2821	1
1884	}) {	2822	}) {
1885	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1886	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
1887	. "Please report this to the dungeon master!",	2825	. "Please report this to the dungeon master!",
1888	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1889		2827
1890	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1891	$self->leave_link;	2829	$self->leave_link;
1892	}	2830	}
1893	})->prio (1);	2831	})->prio (1);
…		…
1906		2844
1907	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1908	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1909		2847
1910	utf8::encode $text;	2848	utf8::encode $text;
1911	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1912	}	2850	}
1913		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
		3039	=item $client->ext_msg ($type, @msg)
		3040
		3041	Sends an ext event to the client.
		3042
		3043	=cut
		3044
		3045	sub cf::client::ext_msg($$@) {
		3046	my ($self, $type, @msg) = @_;
		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
		3051	push @msg, msgtype => "event_$type";
		3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
		3072	}
1914		3073
1915	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1916		3075
1917	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1920		3079
1921	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
1922	reliable at some point in the future.	3081	become reliable at some point in the future.
1923		3082
1924	=cut	3083	=cut
1925		3084
1926	sub cf::client::query {	3085	sub cf::client::query {
1927	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
1935	utf8::encode $text;	3094	utf8::encode $text;
1936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1937		3096
1938	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
1939	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
1940	}	3101	}
1941		3102
1942	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
1943	on_reply => sub {	3109	on_reply => sub {
1944	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
1945		3111
1946	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
1947	# get handled first	3113	# get handled first
1948	my $queue = delete $ns->{query_queue}	3114	my $queue = delete $ns->{query_queue}
1949	or return; # be conservative, not sure how that can happen, but we saw a crash here	3115	or return; # be conservative, not sure how that can happen, but we saw a crash here
1950		3116
1951	(shift @$queue)->[1]->($msg);	3117	(shift @$queue)->[1]->($msg);
		3118	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1952		3119
1953	push @{ $ns->{query_queue} }, @$queue;	3120	push @{ $ns->{query_queue} }, @$queue;
1954		3121
1955	if (@{ $ns->{query_queue} } == @$queue) {	3122	if (@{ $ns->{query_queue} } == @$queue) {
1956	if (@$queue) {	3123	if (@$queue) {
…		…
1958	} else {	3125	} else {
1959	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1960	}	3127	}
1961	}	3128	}
1962	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
1963	);	3156	);
1964		3157
1965	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
1966		3159
1967	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
1983		3176
1984	$coro	3177	$coro
1985	}	3178	}
1986		3179
1987	cf::client->attach (	3180	cf::client->attach (
1988	on_destroy => sub {	3181	on_client_destroy => sub {
1989	my ($ns) = @_;	3182	my ($ns) = @_;
1990		3183
1991	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1992	},	3185	},
1993	);	3186	);
…		…
2008	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2009	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2010		3203
2011	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2012		3205
2013	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2014		3211
2015	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2016		3213
2017	=pod	3214	=pod
2018		3215
2019	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2020		3217
2021	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
2022	cf::object::player player	3223	cf::object::player
2023	cf::player peaceful	3224	player
2024	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
2025		3231
2026	=cut	3232	=cut
2027		3233
2028	for (	3234	for (
2029	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2030	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2031	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2032	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2033	) {	3241	) {
2034	no strict 'refs';	3242	no strict 'refs';
2035	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2036	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2054		3262
2055	my $qcode = $code;	3263	my $qcode = $code;
2056	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2057	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2058		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2059	local $_;	3270	local $_;
2060	local @safe::cf::_safe_eval_args = values %vars;
2061		3271
2062	my $eval =	3272	my $eval =
2063	"do {\n"	3273	"do {\n"
2064	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2065	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2066	. $code	3276	. $code
2067	. "\n}"	3277	. "\n}"
2068	;	3278	;
2069		3279
		3280	if ($CFG{safe_eval}) {
2070	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2071	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2072	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2073		3289
2074	if ($@) {	3290	if ($@) {
2075	warn "$@";	3291	warn "$@";
2076	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2077	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2096	=cut	3312	=cut
2097		3313
2098	sub register_script_function {	3314	sub register_script_function {
2099	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2100		3316
2101	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2102	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2103	}	3319	}
2104		3320
2105	=back	3321	=back
2106		3322
2107	=cut	3323	=cut
2108		3324
2109	#############################################################################	3325	#############################################################################
		3326	# the server's init and main functions
2110		3327
2111	=head2 EXTENSION DATABASE SUPPORT	3328	sub load_facedata($) {
		3329	my ($path) = @_;
2112		3330
2113	Crossfire maintains a very simple database for extension use. It can	3331	# HACK to clear player env face cache, we need some signal framework
2114	currently store anything that can be serialised using Storable, which	3332	# for this (global event?)
2115	excludes objects.	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
2116		3334
2117	The parameter C<$family> should best start with the name of the extension	3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2118	using it, it should be unique.
2119		3336
2120	=over 4	3337	warn "loading facedata from $path\n";
2121		3338
2122	=item $hashref = cf::db_get $family	3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
2123		3342
2124	Return a hashref for use by the extension C<$family>, which can be	3343	$facedata = Coro::Storable::thaw $facedata;
2125	modified. After modifications, you have to call C<cf::db_dirty> or
2126	C<cf::db_sync>.
2127		3344
2128	=item $value = cf::db_get $family => $key	3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2129		3347
2130	Returns a single value from the database	3348	# patch in the exptable
2131		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2132	=item cf::db_put $family => $hashref	3350	$facedata->{resource}{"res/exp_table"} = {
2133		3351	type => FT_RSRC,
2134	Stores the given family hashref into the database. Updates are delayed, if	3352	data => $exp_table,
2135	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3353	hash => (Digest::MD5::md5 $exp_table),
2136
2137	=item cf::db_put $family => $key => $value
2138
2139	Stores the given C<$value> in the family hash. Updates are delayed, if you
2140	want the data to be synced to disk immediately, use C<cf::db_sync>.
2141
2142	=item cf::db_dirty
2143
2144	Marks the database as dirty, to be updated at a later time.
2145
2146	=item cf::db_sync
2147
2148	Immediately write the database to disk I<if it is dirty>.
2149
2150	=cut
2151
2152	our $DB;
2153
2154	{
2155	my $path = cf::localdir . "/database.pst";
2156
2157	sub db_load() {
2158	$DB = stat $path ? Storable::retrieve $path : { };
2159	}
2160
2161	my $pid;
2162
2163	sub db_save() {
2164	waitpid $pid, 0 if $pid;
2165	if (0 == ($pid = fork)) {
2166	$DB->{_meta}{version} = 1;
2167	Storable::nstore $DB, "$path~";
2168	rename "$path~", $path;
2169	cf::_exit 0 if defined $pid;
2170	}
2171	}
2172
2173	my $dirty;
2174
2175	sub db_sync() {
2176	db_save if $dirty;
2177	undef $dirty;
2178	}
2179
2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2181	db_sync;
2182	});	3354	};
		3355	cf::cede_to_tick;
2183		3356
2184	sub db_dirty() {
2185	$dirty = 1;
2186	$idle->start;
2187	}	3357	{
		3358	my $faces = $facedata->{faceinfo};
2188		3359
2189	sub db_get($;$) {	3360	while (my ($face, $info) = each %$faces) {
2190	@_ >= 2	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2191	? $DB->{$_[0]}{$_[1]}
2192	: ($DB->{$_[0]} ||= { })
2193	}
2194		3362
2195	sub db_put($$;$) {	3363	cf::face::set_visibility $idx, $info->{visibility};
2196	if (@_ >= 3) {	3364	cf::face::set_magicmap $idx, $info->{magicmap};
2197	$DB->{$_[0]}{$_[1]} = $_[2];	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2198	} else {	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2199	$DB->{$_[0]} = $_[1];
2200	}
2201	db_dirty;
2202	}
2203		3367
2204	cf::global->attach (	3368	cf::cede_to_tick;
2205	prio => 10000,
2206	on_cleanup => sub {
2207	db_sync;
2208	},	3369	}
2209	);
2210	}
2211		3370
2212	#############################################################################	3371	while (my ($face, $info) = each %$faces) {
2213	# the server's main()	3372	next unless $info->{smooth};
2214		3373
2215	sub cfg_load {	3374	my $idx = cf::face::find $face
		3375	or next;
		3376
		3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
		3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3380	} else {
		3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3382	}
		3383
		3384	cf::cede_to_tick;
		3385	}
		3386	}
		3387
		3388	{
		3389	my $anims = $facedata->{animinfo};
		3390
		3391	while (my ($anim, $info) = each %$anims) {
		3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3393	cf::cede_to_tick;
		3394	}
		3395
		3396	cf::anim::invalidate_all; # d'oh
		3397	}
		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
		3418	1
		3419	}
		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
		3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
		3473	sub reload_facedata {
		3474	load_facedata "$DATADIR/facedata"
		3475	or die "unable to load facedata\n";
		3476	}
		3477
		3478	sub reload_archetypes {
		3479	load_resource_file "$DATADIR/archetypes"
		3480	or die "unable to load archetypes\n";
		3481	}
		3482
		3483	sub reload_treasures {
		3484	load_resource_file "$DATADIR/treasures"
		3485	or die "unable to load treasurelists\n";
		3486	}
		3487
		3488	sub reload_resources {
		3489	warn "reloading resource files...\n";
		3490
		3491	reload_facedata;
		3492	reload_archetypes;
		3493	reload_regions;
		3494	reload_treasures;
		3495
		3496	warn "finished reloading resource files\n";
		3497	}
		3498
		3499	sub reload_config {
		3500	warn "reloading config file...\n";
		3501
2216	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2217	or return;	3503	or return;
2218		3504
2219	local $/;	3505	local $/;
2220	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2221		3507
2222	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2223		3509
2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2229	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2230	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2231	};	3517	};
2232	warn $@ if $@;	3518	warn $@ if $@;
2233	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2234	}	3550	}
2235		3551
2236	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2237	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2238	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2240	(async {	3565	(async {
2241	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
2242	})->prio (Coro::PRIO_MAX);	3568	})->prio (Coro::PRIO_MAX);
2243	};	3569	};
2244		3570
2245	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
2246	db_load;	3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
		3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2247	load_extensions;	3594	load_extensions;
2248		3595
2249	$TICK_WATCHER->start;	3596	utime time, time, $RUNTIMEFILE;
2250	Event::loop;	3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2251	}	3609	}
2252		3610
2253	#############################################################################	3611	#############################################################################
2254	# initialisation and cleanup	3612	# initialisation and cleanup
2255		3613
2256	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2257	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2258	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2259	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2260	data => WF_AUTOCANCEL,
2261	signal => $signal,
2262	cb => sub {
2263	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2264	},
2265	);	3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
2266	}	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2267	}	3710	}
2268		3711
2269	sub emergency_save() {	3712	sub emergency_save() {
2270	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2271		3714
2272	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2273		3716
2274	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2275	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2276	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2277	# and maps saved/destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2278	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2279	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2280	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2281	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2282	$pl->save;	3731	$pl->save;
2283	}	3732	}
2284	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2285		3734
2286	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2287	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2288	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2289	$map->valid or next;	3738	$map->valid or next;
2290	$map->save;	3739	$map->save;
2291	}	3740	}
2292	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
		3742
		3743	warn "emergency_perl_save: begin database checkpoint\n";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2293	};	3750	};
2294		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2295	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2296	}	3758	}
2297		3759
		3760	sub post_cleanup {
		3761	my ($make_core) = @_;
		3762
		3763	warn Carp::longmess "post_cleanup backtrace"
		3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
		3793	}
		3794
2298	sub reload() {	3795	sub do_reload_perl() {
2299	# can/must only be called in main	3796	# can/must only be called in main
2300	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2301	warn "can only reload from main coroutine";	3798	warn "can only reload from main coroutine";
2302	return;	3799	return;
2303	}	3800	}
2304		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2305	warn "reloading...";	3807	warn "reloading...";
2306		3808
2307	warn "cancelling server ticker";	3809	warn "entering sync_job";
2308	$TICK_WATCHER->cancel;
2309		3810
		3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
2310	cf::emergency_save;	3813	cf::emergency_save;
		3814	cf::write_runtime_sync; # external watchdog should not bark
2311		3815
2312	eval {	3816	warn "syncing database to disk";
		3817	BDB::db_env_txn_checkpoint $DB_ENV;
		3818
2313	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2314		3820
2315	warn "syncing database to disk";
2316	cf::db_sync;
2317
2318	warn "cancelling all WF_AUTOCANCEL watchers";
2319	for (Event::all_watchers) {
2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2321	}
2322
2323	warn "flushing outstanding aio requests";	3821	warn "flushing outstanding aio requests";
2324	for (;;) {	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2325	IO::AIO::flush;	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2326	Coro::cede;
2327	last unless IO::AIO::nreqs;
2328	warn "iterate...";
2329	}
2330
2331	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();
2334
2335	warn "removing commands";
2336	%COMMAND = ();
2337
2338	warn "removing ext commands";
2339	%EXTCMD = ();
2340
2341	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";
2344
2345	if (my $cb = $pkg->can ("unload")) {
2346	eval {
2347	$cb->($pkg);
2348	1
2349	} or warn "$pkg unloaded, but with errors: $@";
2350	}	3824	}
2351		3825
2352	warn "... nuking $pkg";	3826	warn "cancelling all extension coros";
2353	Symbol::delete_package $pkg;	3827	$_->cancel for values %EXT_CORO;
2354	}	3828	%EXT_CORO = ();
2355		3829
2356	warn "unloading all perl modules loaded from $LIBDIR";	3830	warn "removing commands";
2357	while (my ($k, $v) = each %INC) {	3831	%COMMAND = ();
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
2360	warn "... unloading $k";	3839	warn "... unloading $pkg";
2361	delete $INC{$k};
2362		3840
2363	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;
2365
2366	if (my $cb = $k->can ("unload_module")) {	3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
2367	$cb->();	3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2368	}	3850	}
2369		3851
2370	Symbol::delete_package $k;	3852	warn "unloading all perl modules loaded from $LIBDIR";
		3853	while (my ($k, $v) = each %INC) {
		3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
2371	}	3867	}
2372		3868
2373	warn "getting rid of safe::, as good as possible";	3869	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3872
2377	warn "unloading cf.pm \"a bit\"";	3873	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3876
2380	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3878	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2383		3880
2384	warn "unload completed, starting to reload now";	3881	warn "unload completed, starting to reload now";
2385		3882
2386	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2387	require cf;	3884	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2389		3886
2390	warn "loading config and database again";	3887	warn "loading config and database again";
2391	cf::cfg_load;	3888	cf::reload_config;
2392	cf::db_load;
2393		3889
2394	warn "loading extensions";	3890	warn "loading extensions";
2395	cf::load_extensions;	3891	cf::load_extensions;
2396		3892
		3893	if ($REATTACH_ON_RELOAD) {
2397	warn "reattaching attachments to objects/players";	3894	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3895	_global_reattach; # objects, sockets
2399	warn "reattaching attachments to maps";	3896	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
		3898	warn "reattaching attachments to players";
		3899	reattach $_ for values %PLAYER;
		3900	}
2401		3901
2402	warn "restarting server ticker";	3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
2403		3904
2404	$TICK_WATCHER->start;	3905	warn "leaving sync_job";
		3906
		3907	1
		3908	} or do {
		3909	warn $@;
		3910	cf::cleanup "error while reloading, exiting.";
		3911	};
		3912
		3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
		3919	};
		3920
		3921	our $RELOAD_WATCHER; # used only during reload
		3922
		3923	sub reload_perl() {
		3924	# doing reload synchronously and two reloads happen back-to-back,
		3925	# coro crashes during coro_state_free->destroy here.
		3926
		3927	$RELOAD_WATCHER ||= cf::async {
		3928	Coro::AIO::aio_wait cache_extensions;
		3929
		3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3931	do_reload_perl;
		3932	undef $RELOAD_WATCHER;
		3933	};
2405	};	3934	};
2406		3935	}
2407	if ($@) {
2408	warn $@;
2409	warn "error while reloading, exiting.";
2410	exit 1;
2411	}
2412
2413	warn "reloaded";
2414	};
2415
2416	our $RELOAD_WATCHER; # used only during reload
2417		3936
2418	register_command "reload" => sub {	3937	register_command "reload" => sub {
2419	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2420		3939
2421	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2422	$who->message ("reloading server.");	3941	$who->message ("reloading server.");
2423		3942	async {
2424	# doing reload synchronously and two reloads happen back-to-back,	3943	$Coro::current->{desc} = "perl_reload";
2425	# coro crashes during coro_state_free->destroy here.
2426
2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2428	reload;	3944	reload_perl;
2429	undef $RELOAD_WATCHER;
2430	});	3945	};
2431	}	3946	}
2432	};	3947	};
2433		3948
2434	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2435		3950
2436	my $bug_warning = 0;	3951	my $bug_warning = 0;
2437		3952
2438	$TICK_WATCHER = Event->timer (	3953	our @WAIT_FOR_TICK;
2439	reentrant => 0,	3954	our @WAIT_FOR_TICK_BEGIN;
2440	parked => 1,	3955
2441	prio => 0,	3956	sub wait_for_tick {
2442	at => $NEXT_TICK || $TICK,	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2443	data => WF_AUTOCANCEL,	3958
2444	cb => sub {	3959	my $signal = new Coro::Signal;
		3960	push @WAIT_FOR_TICK, $signal;
		3961	$signal->wait;
		3962	}
		3963
		3964	sub wait_for_tick_begin {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK_BEGIN, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub tick {
2445	if ($Coro::current != $Coro::main) {	3973	if ($Coro::current != $Coro::main) {
2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2447	unless ++$bug_warning > 10;	3975	unless ++$bug_warning > 10;
2448	return;	3976	return;
2449	}	3977	}
2450		3978
2451	$NOW = Event::time;
2452
2453	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2454	$RUNTIME += $TICK;
2455	$NEXT_TICK += $TICK;
2456		3980
2457	$WAIT_FOR_TICK->broadcast;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2459		3982
2460	# if we are delayed by four ticks or more, skip them all	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		3985	Coro::async_pool {
2463	$TICK_WATCHER->at ($NEXT_TICK);	3986	$Coro::current->{desc} = "runtime saver";
2464	$TICK_WATCHER->start;
2465	},
2466	);
2467
2468	IO::AIO::max_poll_time $TICK * 0.2;
2469
2470	$AIO_POLL_WATCHER = Event->io (
2471	fd => IO::AIO::poll_fileno,
2472	poll => 'r',
2473	prio => 5,
2474	data => WF_AUTOCANCEL,
2475	cb => \&IO::AIO::poll_cb,
2476	);
2477
2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2479	data => WF_AUTOCANCEL,
2480	after => 1,
2481	interval => 10,
2482	cb => Coro::unblock_sub {
2483	write_runtime	3987	write_runtime_sync
2484	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
		3989	};
2485	},	3990	}
2486	);	3991
		3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3993	$sig->send;
		3994	}
		3995	while (my $sig = shift @WAIT_FOR_TICK) {
		3996	$sig->send;
		3997	}
		3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
		4010
		4011	{
		4012	# configure BDB
		4013
		4014	BDB::min_parallel 16;
		4015	BDB::max_poll_reqs $TICK * 0.1;
		4016	$AnyEvent::BDB::WATCHER->priority (1);
		4017
		4018	unless ($DB_ENV) {
		4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4025
		4026	cf::sync_job {
		4027	eval {
		4028	BDB::db_env_open
		4029	$DB_ENV,
		4030	$BDBDIR,
		4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4033	0666;
		4034
		4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4036	};
		4037
		4038	cf::cleanup "db_env_open(db): $@" if $@;
		4039	};
		4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
		4051	}
		4052
		4053	{
		4054	# configure IO::AIO
		4055
		4056	IO::AIO::min_parallel 8;
		4057	IO::AIO::max_poll_time $TICK * 0.1;
		4058	undef $AnyEvent::AIO::WATCHER;
		4059	}
		4060
		4061	my $_log_backtrace;
		4062
		4063	sub _log_backtrace {
		4064	my ($msg, @addr) = @_;
		4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
		4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
		4100	}
		4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
2487		4106
2488	END { cf::emergency_save }	4107	END { cf::emergency_save }
2489		4108
2490	1	4109	1
2491		4110

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