ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 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 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		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	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		184
88	#############################################################################	185	#############################################################################
89		186
90	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
91		188
…		…
98	=item $cf::RUNTIME	195	=item $cf::RUNTIME
99		196
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	198	every server tick.
102		199
103	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		203
105	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
107		208
108	=item $cf::NOW	209	=item $cf::NOW
109		210
110	The time of the last (current) server tick.	211	The time of the last (current) server tick.
111		212
112	=item $cf::TICK	213	=item $cf::TICK
113		214
114	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
115		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
116	=item %cf::CFG	227	=item %cf::CFG
117		228
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	230	from wherever your confdir points to.
120		231
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		233
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	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	235	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	236	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.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
127		249
128	=back	250	=back
129		251
130	=cut	252	=cut
131		253
132	BEGIN {	254	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	255	my $msg = join "", @_;
135	utf8::encode $msg;
136		256
137	$msg .= "\n"	257	$msg .= "\n"
138	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
139		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
140	LOG llevError, $msg;	262	LOG llevError, $msg;
141	};	263	};
142	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
143		278
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		286
151	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	288	# within the Safe compartment.
153	for my $pkg (qw(	289	for my $pkg (qw(
154	cf::global cf::attachable	290	cf::global cf::attachable
155	cf::object cf::object::player	291	cf::object cf::object::player
156	cf::client cf::player	292	cf::client cf::player
157	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
158	cf::map cf::party cf::region	295	cf::party cf::region
159	)) {	296	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	298	}
163		299
164	$Event::DIED = sub {	300	$EV::DIED = sub {
165	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
166	};	302	};
		303
		304	#############################################################################
167		305
168	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
169		307
170	=over 4	308	=over 4
171		309
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	329	$d
192	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
193	}	331	}
194		332
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
198		334
199	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
200		336
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
209		338
210	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
211		340
212	=cut	341	=cut
213		342
214	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
216	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
217	}	360	}
218		361
219	=item cf::lock_wait $string	362	=item cf::lock_wait $string
220		363
221	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
222		365
223	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
224		367
225	Wait until the given lock is available and then acquires it and returns	368	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,	369	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	370	for example when the coroutine gets canceled), the lock is automatically
228	returned.	371	returned.
229		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
230	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
232		378
233	=cut	379	=item $locked = cf::lock_active $string
234		380
235	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
236		386
237	sub lock_wait($) {	387	sub lock_wait($) {
238	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	389	}
246		390
247	sub lock_acquire($) {	391	sub lock_acquire($) {
248	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
249		394
250	# wait, to be sure we are not locked	395	sub lock_active($) {
251	lock_wait $key;	396	$LOCKS->count ($_[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	}	397	}
260		398
261	sub freeze_mainloop {	399	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
263		401
264	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	403	}
266	$WRITE_RUNTIME_WATCHER->start;	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
267	};	469	}
268	$WRITE_RUNTIME_WATCHER->stop;	470	};
269	$TICK_WATCHER->stop;	471
270	$guard	472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
271	}	485	}
272		486
273	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
274		488
275	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		494
281	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
282		496
283	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
284		498
285	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
288		503
289	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
292	fast or be very important.	507	fast or be very important.
…		…
295		510
296	sub sync_job(&) {	511	sub sync_job(&) {
297	my ($job) = @_;	512	my ($job) = @_;
298		513
299	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
300	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
302		519
303	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	521
305	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
306		523
307	my $busy = 1;	524	my $busy = 1;
308	my @res;	525	my @res;
309		526
310	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	529	@res = eval { $job->() };
312	warn $@ if $@;	530	warn $@ if $@;
313	undef $busy;	531	undef $busy;
314	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
315		533
316	while ($busy) {	534	while ($busy) {
317	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
318	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
319		545
320	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
321	} else {	547	} else {
322	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
323		549
…		…
343	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
344		570
345	$coro	571	$coro
346	}	572	}
347		573
348	sub write_runtime {	574	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		575
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
352	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
353		580
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		582
358	aio_fsync $fh	583	sub fork_call(&@) {
359	and return;	584	my ($cb, @args) = @_;
360		585
361	close $fh	586	# we seemingly have to make a local copy of the whole thing,
362	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
363		589
364	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
365	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
366		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
367	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	772	}
369		773
370	=back	774	=back
371		775
372	=cut	776	=cut
373		777
374	#############################################################################	778	#############################################################################
375		779
376	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
377		781
378	Many objects in crossfire are so-called attachable objects. That means you can	782	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")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
381		785
382	In the following description, CLASS can be any of C<global>, C<object>	786	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	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	788	Deliantra).
385		789
386	=over 4	790	=over 4
387		791
388	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
389		793
…		…
433	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
434		838
435	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
437		841
438	Some classes such as crossfire maps and objects can specify attachments	842	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.	843	that are attached at load/instantiate time, thus the need for a name.
440		844
441	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
442		846
443	=over 4	847	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	908	our @CB_MAP = ();
505		909
506	my %attachment;	910	my %attachment;
507		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
508	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
510		920
511	use sort 'stable';	921	use sort 'stable';
512		922
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
547		957
548	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		962
553	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	964	my $pkg = shift @arg;
555		965
556	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
586	}	996	}
587		997
588	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
589	} else {	999	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	1001	}
592		1002
593	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
594	}	1004	}
595		1005
…		…
597	if (ref $_[0]) {	1007	if (ref $_[0]) {
598	_object_attach @_;	1008	_object_attach @_;
599	} else {	1009	} else {
600	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
601	}	1011	}
		1012	_recalc_want;
602	};	1013	};
603		1014
604	# all those should be optimised	1015	# all those should be optimised
605	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1021	reattach ($obj);
611	} else {	1022	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
613	}	1024	}
		1025	_recalc_want;
614	};	1026	};
615		1027
616	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
618		1030
…		…
633	";	1045	";
634	die if $@;	1046	die if $@;
635	}	1047	}
636		1048
637	our $override;	1049	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1051
640	sub override {	1052	sub override {
641	$override = 1;	1053	$override = 1;
642	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
643	}	1055	}
644		1056
645	sub do_invoke {	1057	sub do_invoke {
646	my $event = shift;	1058	my $event = shift;
647	my $callbacks = shift;	1059	my $callbacks = shift;
648		1060
649	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
650		1062
651	local $override;	1063	local $override;
652		1064
653	for (@$callbacks) {	1065	for (@$callbacks) {
654	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
663	}	1075	}
664		1076
665	0	1077	0
666	}	1078	}
667		1079
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1081
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1083
672	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
673		1085
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1089
678	=back	1090	=back
679		1091
680	=cut	1092	=cut
681		1093
682	#############################################################################	1094	#############################################################################
683	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
684		1138
685	sub reattach {	1139	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1145
689	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
690		1147
691	@$registry = ();	1148	@$registry = ();
692		1149
…		…
707	cf::attachable->attach (	1164	cf::attachable->attach (
708	prio => -1000000,	1165	prio => -1000000,
709	on_instantiate => sub {	1166	on_instantiate => sub {
710	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
711		1168
712	$data = from_json $data;	1169	$data = decode_json $data;
713		1170
714	for (@$data) {	1171	for (@$data) {
715	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
716		1173
717	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1190	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
735		1192
736	sync_job {	1193	sync_job {
737	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
740		1198
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	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;
744	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
745	close $fh;	1206	aio_close $fh;
746		1207
747	if (@$objs) {	1208	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;	1215	aio_fsync $fh;
		1216	}
753	close $fh;	1217	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
755	}	1219	}
756	} else {	1220	} else {
757	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
758	}	1222	}
759		1223
760	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1228	} else {
762	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
763	}	1230	}
764	} else {	1231	} else {
765	aio_unlink $filename;	1232	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
767	}	1234	}
768	}	1235	};
769	}	1236	}
770		1237
771	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
773		1240
…		…
785	or return;	1252	or return;
786		1253
787	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
789	or return;	1256	or return;
		1257
790	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
791	}	1260	}
792		1261
		1262	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
795	return ($data, $av);	1266	($data, $av)
796	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
797		1274
798	#############################################################################	1275	#############################################################################
799	# command handling &c	1276	# command handling &c
800		1277
801	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1292	}
816		1293
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1295
819	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
820		1301
821	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
822	called.	1303	called.
823		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
824	=cut	1316	=cut
825		1317
826	sub register_extcmd {	1318	sub register_extcmd {
827	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
828		1320
829	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
830	}	1322	}
831		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
832	cf::player->attach (	1332	cf::player->attach (
833	on_command => sub {	1333	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
835		1335
836	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
837	or return;	1337	or return;
838		1338
…		…
843	cf::override;	1343	cf::override;
844	},	1344	},
845	on_extcmd => sub {	1345	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
847		1347
848	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1349
850	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
856	} else {	1365	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1367	}
859		1368
860	cf::override;	1369	cf::override;
861	},	1370	},
862	);	1371	);
863		1372
		1373	# "readahead" all extensions
864	sub load_extension {	1374	sub cache_extensions {
865	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
866		1376
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1380	}
892	die $@;
893	}	1381	};
894		1382
895	push @EXTS, $pkg;	1383	$grp
896	}	1384	}
897		1385
898	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
899	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1391	next unless -r $path;
901	eval {	1392
902	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
903	1	1456	}
904	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
905	}	1467	};
906	}	1468	}
907		1469
908	#############################################################################	1470	#############################################################################
909		1471
		1472	=back
		1473
910	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
911		1475
912	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
913		1477
914	=cut	1478	=cut
915		1479
916	package cf::player;	1480	package cf::player;
917		1481
…		…
919		1483
920	=head3 cf::player	1484	=head3 cf::player
921		1485
922	=over 4	1486	=over 4
923		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
924	=item cf::player::find $login	1502	=item cf::player::find $login
925		1503
926	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
927		1505
928	=cut	1506	=cut
929		1507
930	sub playerdir($) {	1508	sub playerdir($) {
931	cf::localdir	1509	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1511	}
937		1512
938	sub path($) {	1513	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1515
941	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
942	}	1517	}
943		1518
944	sub find_active($) {	1519	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
949		1524
950	sub exists($) {	1525	sub exists($) {
951	my ($login) = @_;	1526	my ($login) = @_;
952		1527
953	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
955	}	1530	}
956		1531
957	sub find($) {	1532	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1534	my $login = $_[0];
960		1535
961	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
962		1537
963	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
965	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
967	}	1555	}
968	}	1556	}
969	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
970		1571
971	sub save($) {	1572	sub save($) {
972	my ($pl) = @_;	1573	my ($pl) = @_;
973		1574
974	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
980		1581
981	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
983		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
984	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
985	Coro::cede;	1591	cf::cede_to_tick;
986	}	1592	}
987		1593
988	sub new($) {	1594	sub new($) {
989	my ($login) = @_;	1595	my ($login) = @_;
990		1596
…		…
996	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
997		1603
998	$self	1604	$self
999	}	1605	}
1000		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1001	=item $pl->quit_character	1617	=item $pl->quit_character
1002		1618
1003	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1005		1621
1006	=cut	1622	=cut
1007		1623
1008	sub quit_character {	1624	sub quit_character {
1009	my ($pl) = @_;	1625	my ($pl) = @_;
1010		1626
		1627	my $name = $pl->ob->name;
		1628
1011	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1013		1631
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1018		1638
1019	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1024	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
1025	}	1665	}
1026		1666
1027	=item cf::player::list_logins	1667	=item cf::player::list_logins
1028		1668
1029	Returns am arrayref of all valid playernames in the system, can take a	1669	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1031		1671
1032	=cut	1672	=cut
1033		1673
1034	sub list_logins {	1674	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1676	or return [];
1037		1677
1038	my @logins;	1678	my @logins;
1039		1679
1040	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1044		1690
1045	utf8::decode $login;	1691	utf8::decode $login;
1046	push @logins, $login;	1692	push @logins, $login;
1047	}	1693	}
1048		1694
…		…
1056		1702
1057	=cut	1703	=cut
1058		1704
1059	sub maps($) {	1705	sub maps($) {
1060	my ($pl) = @_;	1706	my ($pl) = @_;
		1707
		1708	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1709
1062	my $files = aio_readdir playerdir $pl	1710	my $files = aio_readdir playerdir $pl
1063	or return;	1711	or return;
1064		1712
1065	my @paths;	1713	my @paths;
…		…
1067	for (@$files) {	1715	for (@$files) {
1068	utf8::decode $_;	1716	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1717	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1718	next unless /^$PATH_SEP/o;
1071		1719
1072	s/\.map$//;	1720	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1721	}
1075		1722
1076	\@paths	1723	\@paths
1077	}	1724	}
1078		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1080		1731
1081	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1082		1733
1083	=cut	1734	=cut
1084		1735
1085	sub ext_reply($$$%) {	1736	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1087		1738
1088	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1740	}
1092		1741
1093	package cf;	1742	=item $player->ext_msg ($type, @msg)
		1743
		1744	Sends an ext event to the client.
		1745
		1746	=cut
		1747
		1748	sub ext_msg($$@) {
		1749	my ($self, $type, @msg) = @_;
		1750
		1751	$self->ns->ext_msg ($type, @msg);
		1752	}
		1753
		1754	=head3 cf::region
		1755
		1756	=over 4
		1757
		1758	=cut
		1759
		1760	package cf::region;
		1761
		1762	=item cf::region::find_by_path $path
		1763
		1764	Tries to decuce the likely region for a map knowing only its path.
		1765
		1766	=cut
		1767
		1768	sub find_by_path($) {
		1769	my ($path) = @_;
		1770
		1771	my ($match, $specificity);
		1772
		1773	for my $region (list) {
		1774	if ($region->{match} && $path =~ $region->{match}) {
		1775	($match, $specificity) = ($region, $region->specificity)
		1776	if $region->specificity > $specificity;
		1777	}
		1778	}
		1779
		1780	$match
		1781	}
1094		1782
1095	=back	1783	=back
1096
1097		1784
1098	=head3 cf::map	1785	=head3 cf::map
1099		1786
1100	=over 4	1787	=over 4
1101		1788
…		…
1105		1792
1106	use Fcntl;	1793	use Fcntl;
1107	use Coro::AIO;	1794	use Coro::AIO;
1108		1795
1109	use overload	1796	use overload
1110	'""' => \&as_string;	1797	'""' => \&as_string,
		1798	fallback => 1;
1111		1799
1112	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1114		1802
1115	sub generate_random_map {	1803	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1807
1118	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1809	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1819	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1820	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1821	)
1132	}	1822	}
1133		1823
		1824	=item cf::map->register ($regex, $prio)
		1825
		1826	Register a handler for the map path matching the given regex at the
		1827	givne priority (higher is better, built-in handlers have priority 0, the
		1828	default).
		1829
		1830	=cut
		1831
1134	sub register {	1832	sub register {
1135	my (undef, $regex) = @_;	1833	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1834	my $pkg = caller;
1137		1835
1138	no strict;	1836	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1837	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1838
1141	$EXT_MAP{$pkg} = qr<$regex>;	1839	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1840	}
1143		1841
1144	# also paths starting with '/'	1842	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1843	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1844
		1845	sub thawer_merge {
		1846	my ($self, $merge) = @_;
		1847
		1848	# we have to keep some variables in memory intact
		1849	local $self->{path};
		1850	local $self->{load_path};
		1851
		1852	$self->SUPER::thawer_merge ($merge);
		1853	}
1146		1854
1147	sub normalise {	1855	sub normalise {
1148	my ($path, $base) = @_;	1856	my ($path, $base) = @_;
		1857
		1858	$path = "$path"; # make sure its a string
		1859
		1860	$path =~ s/\.map$//;
1149		1861
1150	# map plan:	1862	# map plan:
1151	#	1863	#
1152	# /! non-realised random map exit (special hack!)	1864	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1865	# {... are special paths that are not being touched
…		…
1181		1893
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1894	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1895
1184	$path = normalise $path, $base;	1896	$path = normalise $path, $base;
1185		1897
1186	for my $pkg (keys %EXT_MAP) {	1898	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1899	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1900	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1901	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1191	return $self;	1903	return $self;
1192	}	1904	}
1193	}	1905	}
1194		1906
1195	Carp::carp "unable to resolve path '$path'.";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1908	()
1197	}	1909	}
1198		1910
1199	sub init {	1911	sub init {
1200	my ($self) = @_;	1912	my ($self) = @_;
…		…
1215		1927
1216	# the original (read-only) location	1928	# the original (read-only) location
1217	sub load_path {	1929	sub load_path {
1218	my ($self) = @_;	1930	my ($self) = @_;
1219		1931
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1932	"$MAPDIR/$self->{path}.map"
1221	}	1933	}
1222		1934
1223	# the temporary/swap location	1935	# the temporary/swap location
1224	sub save_path {	1936	sub save_path {
1225	my ($self) = @_;	1937	my ($self) = @_;
1226		1938
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1940	"$TMPDIR/$path.map"
1229	}	1941	}
1230		1942
1231	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1232	sub uniq_path {	1944	sub uniq_path {
1233	my ($self) = @_;	1945	my ($self) = @_;
1234		1946
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1948	"$UNIQUEDIR/$path"
1237	}	1949	}
1238		1950
1239	# and all this just because we cannot iterate over	1951	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1952	my ($self) = @_;
1243		1953
1244	$_->change_map_light ($change)	1954	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1955
		1956	$self->do_decay_objects;
1246	}	1957	}
1247		1958
1248	sub unlink_save {	1959	sub unlink_save {
1249	my ($self) = @_;	1960	my ($self) = @_;
1250		1961
1251	utf8::encode (my $save = $self->save_path);	1962	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1963	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1964	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1965	}
1255		1966
1256	sub load_header_from($) {	1967	sub load_header_from($) {
1257	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1258		1969
1259	utf8::encode $path;	1970	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1261	or return;	1972	or return;
1262		1973
1263	$self->_load_header ($path)	1974	$self->_load_header ($f)
1264	or return;	1975	or return;
1265		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
		1979
1266	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1267		1981
1268	1	1982	1
1269	}	1983	}
1270		1984
1271	sub load_orig {	1985	sub load_header_orig {
1272	my ($self) = @_;	1986	my ($self) = @_;
1273		1987
1274	$self->load_header_from ($self->load_path)	1988	$self->load_header_from ($self->load_path)
1275	}	1989	}
1276		1990
1277	sub load_temp {	1991	sub load_header_temp {
1278	my ($self) = @_;	1992	my ($self) = @_;
1279		1993
1280	$self->load_header_from ($self->save_path)	1994	$self->load_header_from ($self->save_path)
		1995	}
		1996
		1997	sub prepare_temp {
		1998	my ($self) = @_;
		1999
		2000	$self->last_access ((delete $self->{last_access})
		2001	|| $cf::RUNTIME); #d#
		2002	# safety
		2003	$self->{instantiate_time} = $cf::RUNTIME
		2004	if $self->{instantiate_time} > $cf::RUNTIME;
		2005	}
		2006
		2007	sub prepare_orig {
		2008	my ($self) = @_;
		2009
		2010	$self->{load_original} = 1;
		2011	$self->{instantiate_time} = $cf::RUNTIME;
		2012	$self->last_access ($cf::RUNTIME);
		2013	$self->instantiate;
1281	}	2014	}
1282		2015
1283	sub load_header {	2016	sub load_header {
1284	my ($self) = @_;	2017	my ($self) = @_;
1285		2018
1286	if ($self->load_temp) {	2019	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2020	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2021	} else {
1293	$self->load_orig	2022	$self->load_header_orig
1294	or return;	2023	or return;
1295		2024	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2025	}
		2026
		2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
		2029
		2030	$self->default_region (cf::region::find_by_path $self->{path})
		2031	unless $self->default_region;
1301		2032
1302	1	2033	1
1303	}	2034	}
1304		2035
1305	sub find;	2036	sub find;
1306	sub find {	2037	sub find {
1307	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1308		2039
1309	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1310		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2044
1313	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1316	or return;	2047	or return;
1317		2048
1318	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1319		2050
1320	$map->load_header	2051	$map->load_header
1321	or return;	2052	or return;
1322		2053
1323	if ($map->should_reset) {	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2055	# doing this can freeze the server in a sync job, obviously
		2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1324	$map->reset;	2059	$map->reset;
1325	undef $guard;
1326	$map = find $path	2060	return find $path;
1327	or return;
1328	}	2061	}
1329		2062
1330	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1331	}	2064	}
1332	}	2065	}
		2066
		2067	sub pre_load { }
		2068	#sub post_load { } # XS
1333		2069
1334	sub load {	2070	sub load {
1335	my ($self) = @_;	2071	my ($self) = @_;
1336		2072
		2073	local $self->{deny_reset} = 1; # loading can take a long time
		2074
1337	my $path = $self->{path};	2075	my $path = $self->{path};
		2076
		2077	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1339		2079
		2080	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2082
1342	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1343		2084
1344	$self->alloc;	2085	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2086
		2087	$self->pre_load;
		2088	cf::cede_to_tick;
		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
		2092	$self->_load_objects ($f)
1346	or return;	2093	or return;
1347		2094
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1349	if delete $self->{load_original};	2096	if delete $self->{load_original};
1350		2097
1351	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2099	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2102	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1356	}	2106	}
1357	}	2107	}
1358		2108
1359	Coro::cede;	2109	$f->resolve_delayed_derefs;
1360		2110
		2111	cf::cede_to_tick;
1361	# now do the right thing for maps	2112	# now do the right thing for maps
1362	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2115	unless $self->difficulty;
1372	Coro::cede;	2116	cf::cede_to_tick;
		2117
		2118	unless ($self->{deny_activate}) {
		2119	$self->decay_objects;
		2120	$self->fix_auto_apply;
		2121	$self->update_buttons;
		2122	cf::cede_to_tick;
1373	$self->activate;	2123	$self->activate;
1374	}	2124	}
1375		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2130	}
1378		2131
		2132	$self->post_load;
		2133	}
		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2138	sub customise_for {
1380	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1381		2140
1382	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2142	if $self->per_player;
1384		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1385	$self	2147	$self
1386	}	2148	}
1387		2149
1388	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2151	sub load_neighbours {
1390	my ($map) = @_;	2152	my ($map) = @_;
1391		2153
1392	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1393		2155
1394	for (0 .. 3) {	2156	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1396	or next;	2158	or next;
1397	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1398	or next;	2160	or next;
1399	$neigh->load;	2161	$neigh->load;
1400		2162
		2163	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2166	}
1404		2167
1405	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1407	or next;	2171	or next;
1408	$neigh->load;	2172	$neigh->load;
1409	}	2173	}
1410	}	2174	}
1411		2175
…		…
1416	}	2180	}
1417		2181
1418	sub do_load_sync {	2182	sub do_load_sync {
1419	my ($map) = @_;	2183	my ($map) = @_;
1420		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1421	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1422	}	2189	}
1423		2190
1424	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2192	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2193
1438	sub find_async {	2194	sub find_async {
1439	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1440		2196
1441	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1442		2198
1443	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
		2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
		2208	while (%MAP_PREFETCH) {
		2209	while (my ($k, $v) = each %MAP_PREFETCH) {
		2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
		2214	delete $MAP_PREFETCH{$k};
		2215	}
		2216	}
		2217	undef $MAP_PREFETCHER;
1445	}	2218	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1449		2220
1450	()	2221	()
1451	}	2222	}
1452		2223
		2224	# common code, used by both ->save and ->swapout
1453	sub save {	2225	sub _save {
1454	my ($self) = @_;	2226	my ($self) = @_;
1455
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;
1457		2227
1458	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1459		2229
1460	return unless $self->dirty;	2230	return unless $self->dirty;
1461		2231
…		…
1467	return if $self->{deny_save};	2237	return if $self->{deny_save};
1468		2238
1469	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1470		2240
1471	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1473	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1474		2247
1475	if ($uniq) {	2248	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2251	} else {
1479	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1480	}	2253	}
1481	}	2254	}
1482		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1483	sub swap_out {	2264	sub swap_out {
1484	my ($self) = @_;	2265	my ($self) = @_;
1485		2266
1486	# save first because save cedes
1487	$self->save;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1491	return if $self->players;	2271	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};
1494		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1495	$self->clear;	2282	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2283	}
1498		2284
1499	sub reset_at {	2285	sub reset_at {
1500	my ($self) = @_;	2286	my ($self) = @_;
1501		2287
1502	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1505		2290
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2293
…		…
1513	my ($self) = @_;	2298	my ($self) = @_;
1514		2299
1515	$self->reset_at <= $cf::RUNTIME	2300	$self->reset_at <= $cf::RUNTIME
1516	}	2301	}
1517		2302
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2303	sub reset {
1533	my ($self) = @_;	2304	my ($self) = @_;
1534		2305
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2307
1537	return if $self->players;	2308	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2309
1540	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
		2311
		2312	$self->in_memory (cf::MAP_SWAPPED);
		2313
		2314	# need to save uniques path
		2315	unless ($self->{deny_save}) {
		2316	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2317
		2318	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2319	if $uniq;
		2320	}
1541		2321
1542	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1543		2323
1544	$self->in_memory (cf::MAP_SWAPPED);	2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2326	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2327
1549	$self->unlink_save;	2328	$self->unlink_save;
1550	$self->destroy;	2329	$self->destroy;
1551	}	2330	}
1552		2331
1553	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1554		2333
1555	sub nuke {	2334	sub nuke {
1556	my ($self) = @_;	2335	my ($self) = @_;
1557		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
		2340	delete $cf::MAP{$self->path};
		2341
		2342	$self->unlink_save;
		2343
		2344	bless $self, "cf::map";
		2345	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2349
		2350	$cf::MAP{$self->path} = $self;
		2351	}
		2352
1561	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
		2354	}
		2355
		2356	=item $maps = cf::map::tmp_maps
		2357
		2358	Returns an arrayref with all map paths of currently instantiated and saved
		2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
		2364	[
		2365	map {
		2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
		2372	}
		2373
		2374	=item $maps = cf::map::random_maps
		2375
		2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
		2378
		2379	=cut
		2380
		2381	sub random_maps() {
		2382	[
		2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
1562	}	2390	}
1563		2391
1564	=item cf::map::unique_maps	2392	=item cf::map::unique_maps
1565		2393
1566	Returns an arrayref of paths of all shared maps that have	2394	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2395	instantiated unique items. May block.
1568		2396
1569	=cut	2397	=cut
1570		2398
1571	sub unique_maps() {	2399	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2400	[
1573	or return;	2401	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2402	utf8::decode $_;
1579	next if /\.pst$/;	2403	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2405	? ()
		2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
		2408	]
		2409	}
1581		2410
		2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
1582	s/\.map$//;	2432	s/\.map$// or next;
1583	push @paths, $_;	2433	utf8::decode $_;
1584	}	2434	push @maps, "$dir/$_";
		2435	}
1585		2436
1586	\@paths	2437	push @dirs, map "$dir/$_", @$dirs;
1587	}	2438	}
1588		2439
1589	package cf;	2440	\@maps
		2441	}
1590		2442
1591	=back	2443	=back
1592		2444
1593	=head3 cf::object	2445	=head3 cf::object
1594		2446
…		…
1598		2450
1599	=over 4	2451	=over 4
1600		2452
1601	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1602		2454
1603	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1604		2457
1605	=cut	2458	=cut
1606		2459
1607	sub inv_recursive_;	2460	sub inv_recursive_;
1608	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1611		2464
1612	sub inv_recursive {	2465	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1614	}	2467	}
1615		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1616	package cf;	2497	package cf;
1617		2498
1618	=back	2499	=back
1619		2500
1620	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1629		2510
1630	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1631		2526
1632	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2528	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1637		2532
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2534
1640	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1642	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1645	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1646	}	2560	}
1647		2561
1648	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1649		2563
1650	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1663		2577
1664	=item $player_object->enter_link	2578	=item $player_object->enter_link
1665		2579
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2581
1668	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
1670		2586
1671	Will never block.	2587	Will never block.
1672		2588
1673	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1674		2590
…		…
1682	=cut	2598	=cut
1683		2599
1684	sub link_map {	2600	sub link_map {
1685	unless ($LINK_MAP) {	2601	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2602	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2603	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2604	$LINK_MAP->load;
1689	}	2605	}
1690		2606
1691	$LINK_MAP	2607	$LINK_MAP
1692	}	2608	}
…		…
1697	$self->deactivate_recursive;	2613	$self->deactivate_recursive;
1698		2614
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2616
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2618	if $self->map && $self->map->{path} ne "{link}";
1703		2619
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1705	}	2621	}
1706		2622
1707	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
		2625
		2626	return unless $self->contr->active;
1709		2627
1710	my $link_pos = delete $self->{_link_pos};	2628	my $link_pos = delete $self->{_link_pos};
1711		2629
1712	unless ($map) {	2630	unless ($map) {
1713	# restore original map position	2631	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1726		2644
1727	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1730		2648
1731	$map->load;	2649	$map->load;
1732	$map->load_diag;	2650	$map->load_neighbours;
1733		2651
1734	return unless $self->contr->active;	2652	return unless $self->contr->active;
		2653
		2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2658	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}	2659	}
1738		2660
1739	cf::player->attach (	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2662
1743	# abort map switching before logout	2663	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2664	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2665	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2666	the new (success) or old (failed) map position. In either case, $done will
1747	};	2667	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2668
1753	# try to abort aborted map switching on player login :)	2669	Note that $check will be called with a potentially non-loaded map, so if
1754	# should happen only on crashes	2670	it needs a loaded map it has to call C<< ->load >>.
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2671
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2672	=cut
		2673
		2674	our $GOTOGEN;
1774		2675
1775	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
		2678
		2679	# do generation counting so two concurrent goto's will be executed in-order
		2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2681
1778	$self->enter_link;	2682	$self->enter_link;
1779		2683
1780	(async {	2684	(async {
1781	my $map = cf::map::find $path;	2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
		2706	my $map = eval {
		2707	my $map = defined $path ? cf::map::find $path : undef;
		2708
		2709	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2710	$map = $map->customise_for ($self);
1783		2711	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2712	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	}
1788		2715
		2716	$map
		2717	};
		2718
		2719	if ($@) {
		2720	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2721	LOG llevError | logBacktrace, Carp::longmess $@;
		2722	}
		2723
		2724	if ($gen == $self->{_goto_generation}) {
		2725	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
		2727	}
		2728
		2729	$done->() if $done;
1790	})->prio (1);	2730	})->prio (1);
1791	}	2731	}
1792		2732
1793	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1794		2734
…		…
1796		2736
1797	sub parse_random_map_params {	2737	sub parse_random_map_params {
1798	my ($spec) = @_;	2738	my ($spec) = @_;
1799		2739
1800	my $rmp = { # defaults	2740	my $rmp = { # defaults
1801	xsize => 10,	2741	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2742	ysize => (cf::rndm 15, 40),
		2743	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2744	#layout => string,
1803	};	2745	};
1804		2746
1805	for (split /\n/, $spec) {	2747	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2748	my ($k, $v) = split /\s+/, $_, 2;
1807		2749
…		…
1819	# that depends on the exit object	2761	# that depends on the exit object
1820		2762
1821	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
1822		2764
1823	if ($exit->map) {	2765	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2766	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
1828	}	2772	}
1829		2773
1830	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
1831		2775
1832	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
		2778	my $meta = "$RANDOMDIR/$md5.meta";
1834		2779
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
		2782	undef $fh;
		2783	aio_rename "$meta~", $meta;
1837		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
1840	}	2791	}
1841	}	2792	}
1842		2793
1843	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
1847		2798
1848	$self->enter_link;	2799	$self->enter_link;
1849		2800
1850	(async {	2801	(async {
1851	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
1852	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
1853	prepare_random_map $exit	2811	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2812	if $exit->slaying eq "/!";
		2813	}
1855		2814
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
1858		2818
		2819	$self->goto ($map, $x, $y);
		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
1859	1;	2825	1
1860	}) {	2826	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2831
1866	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2833	$self->leave_link;
1868	}	2834	}
1869	})->prio (1);	2835	})->prio (1);
…		…
1882		2848
1883	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
1885		2851
1886	utf8::encode $text;	2852	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2854	}
1889		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
		3043	=item $client->ext_msg ($type, @msg)
		3044
		3045	Sends an ext event to the client.
		3046
		3047	=cut
		3048
		3049	sub cf::client::ext_msg($$@) {
		3050	my ($self, $type, @msg) = @_;
		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
		3055	push @msg, msgtype => "event_$type";
		3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
		3076	}
1890		3077
1891	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
1892		3079
1893	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		3083
1897	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	3085	become reliable at some point in the future.
1899		3086
1900	=cut	3087	=cut
1901		3088
1902	sub cf::client::query {	3089	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3098	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3100
1914	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
1916	}	3105	}
1917		3106
1918	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
1919	on_reply => sub {	3113	on_reply => sub {
1920	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
1921		3115
1922	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
1923	# get handled first	3117	# get handled first
1924	my $queue = delete $ns->{query_queue}	3118	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3119	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3120
1927	(shift @$queue)->[1]->($msg);	3121	(shift @$queue)->[1]->($msg);
		3122	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3123
1929	push @{ $ns->{query_queue} }, @$queue;	3124	push @{ $ns->{query_queue} }, @$queue;
1930		3125
1931	if (@{ $ns->{query_queue} } == @$queue) {	3126	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3127	if (@$queue) {
…		…
1934	} else {	3129	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3131	}
1937	}	3132	}
1938	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
1939	);	3160	);
1940		3161
1941	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
1942		3163
1943	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3180
1960	$coro	3181	$coro
1961	}	3182	}
1962		3183
1963	cf::client->attach (	3184	cf::client->attach (
1964	on_destroy => sub {	3185	on_client_destroy => sub {
1965	my ($ns) = @_;	3186	my ($ns) = @_;
1966		3187
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3189	},
1969	);	3190	);
…		…
1984	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
1986		3207
1987	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
1988		3209
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
1990		3215
1991	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
1992		3217
1993	=pod	3218	=pod
1994		3219
1995	The following fucntions and emthods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
1996		3221
1997	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
1998	cf::object::player player	3227	cf::object::player
1999	cf::player peaceful	3228	player
2000	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2001		3235
2002	=cut	3236	=cut
2003		3237
2004	for (	3238	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2009	) {	3245	) {
2010	no strict 'refs';	3246	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2030		3266
2031	my $qcode = $code;	3267	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2034		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2035	local $_;	3274	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3275
2038	my $eval =	3276	my $eval =
2039	"do {\n"	3277	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3280	. $code
2043	. "\n}"	3281	. "\n}"
2044	;	3282	;
2045		3283
		3284	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2049		3293
2050	if ($@) {	3294	if ($@) {
2051	warn "$@";	3295	warn "$@";
2052	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2053	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2072	=cut	3316	=cut
2073		3317
2074	sub register_script_function {	3318	sub register_script_function {
2075	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2076		3320
2077	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2079	}	3323	}
2080		3324
2081	=back	3325	=back
2082		3326
2083	=cut	3327	=cut
2084		3328
2085	#############################################################################	3329	#############################################################################
		3330	# the server's init and main functions
2086		3331
2087	=head2 EXTENSION DATABASE SUPPORT	3332	sub load_facedata($) {
		3333	my ($path) = @_;
2088		3334
2089	Crossfire maintains a very simple database for extension use. It can	3335	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3336	# for this (global event?)
2091	excludes objects.	3337	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3338
2093	The parameter C<$family> should best start with the name of the extension	3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3340
2096	=over 4	3341	warn "loading facedata from $path\n";
2097		3342
2098	=item $hashref = cf::db_get $family	3343	my $facedata;
		3344	0 < aio_load $path, $facedata
		3345	or die "$path: $!";
2099		3346
2100	Return a hashref for use by the extension C<$family>, which can be	3347	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3348
2104	=item $value = cf::db_get $family => $key	3349	$facedata->{version} == 2
		3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3351
2106	Returns a single value from the database	3352	# patch in the exptable
2107		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3354	$facedata->{resource}{"res/exp_table"} = {
2109		3355	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3356	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3357	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3358	};
		3359	cf::cede_to_tick;
2159		3360
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3361	{
		3362	my $faces = $facedata->{faceinfo};
2164		3363
2165	sub db_get($;$) {	3364	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3366
2171	sub db_put($$;$) {	3367	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3368	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3371
2180	cf::global->attach (	3372	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3373	}
2185	);
2186	}
2187		3374
2188	#############################################################################	3375	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3376	next unless $info->{smooth};
2190		3377
2191	sub cfg_load {	3378	my $idx = cf::face::find $face
		3379	or next;
		3380
		3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
		3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3384	} else {
		3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3386	}
		3387
		3388	cf::cede_to_tick;
		3389	}
		3390	}
		3391
		3392	{
		3393	my $anims = $facedata->{animinfo};
		3394
		3395	while (my ($anim, $info) = each %$anims) {
		3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3397	cf::cede_to_tick;
		3398	}
		3399
		3400	cf::anim::invalidate_all; # d'oh
		3401	}
		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
		3422	1
		3423	}
		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_resources {
		3493	warn "reloading resource files...\n";
		3494
		3495	reload_facedata;
		3496	reload_archetypes;
		3497	reload_regions;
		3498	reload_treasures;
		3499
		3500	warn "finished reloading resource files\n";
		3501	}
		3502
		3503	sub reload_config {
		3504	warn "reloading config file...\n";
		3505
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3507	or return;
2194		3508
2195	local $/;	3509	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2197		3511
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3513
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2205	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2206	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2207	};	3521	};
2208	warn $@ if $@;	3522	warn $@ if $@;
2209	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2210	}	3554	}
2211		3555
2212	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2213	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3569	(async {
		3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
		3572	})->prio (Coro::PRIO_MAX);
2217	};	3573	};
2218		3574
2219	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
		3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2221	load_extensions;	3598	load_extensions;
2222	Event::loop;	3599
		3600	utime time, time, $RUNTIMEFILE;
		3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2223	}	3613	}
2224		3614
2225	#############################################################################	3615	#############################################################################
2226	# initialisation and cleanup	3616	# initialisation and cleanup
2227		3617
2228	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2229	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2236	},
2237	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2238	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2239	}	3714	}
2240		3715
2241	sub emergency_save() {	3716	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2243		3718
2244	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2245		3720
2246	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2247	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3735	$pl->save;
2255	}	3736	}
2256	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2257		3738
2258	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3742	$map->valid or next;
2262	$map->save;	3743	$map->save;
2263	}	3744	}
2264	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
		3746
		3747	warn "emergency_perl_save: begin database checkpoint\n";
		3748	BDB::db_env_txn_checkpoint $DB_ENV;
		3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2265	};	3754	};
2266		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2267	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2268	}	3762	}
2269		3763
		3764	sub post_cleanup {
		3765	my ($make_core) = @_;
		3766
		3767	warn Carp::longmess "post_cleanup backtrace"
		3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
		3797	}
		3798
2270	sub reload() {	3799	sub do_reload_perl() {
2271	# can/must only be called in main	3800	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2273	warn "can only reload from main coroutine\n";	3802	warn "can only reload from main coroutine";
2274	return;	3803	return;
2275	}	3804	}
2276		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2277	warn "reloading...";	3811	warn "reloading...";
2278		3812
2279	warn "freezing server";	3813	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3814
		3815	cf::sync_job {
		3816	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3817	cf::emergency_save;
		3818	cf::write_runtime_sync; # external watchdog should not bark
2282		3819
2283	warn "sync database to disk";	3820	warn "syncing database to disk";
2284	cf::db_sync;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3822
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2289		3824
2290	warn "cancel all watchers";	3825	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();
2298
2299	warn "remove commands";
2300	%COMMAND = ();
2301
2302	warn "remove ext commands";
2303	%EXTCMD = ();
2304
2305	warn "unload/nuke all extensions";
2306	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";
2308
2309	if (my $cb = $pkg->can ("unload")) {
2310	eval {
2311	$cb->($pkg);
2312	1
2313	} or warn "$pkg unloaded, but with errors: $@";
2314	}	3828	}
2315		3829
		3830	warn "cancelling all extension coros";
		3831	$_->cancel for values %EXT_CORO;
		3832	%EXT_CORO = ();
		3833
		3834	warn "removing commands";
		3835	%COMMAND = ();
		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2316	warn "... nuking $pkg";	3843	warn "... unloading $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319		3844
2320	warn "unload all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324	warn "removing <$k>";
2325	delete $INC{$k};
2326
2327	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;
2329
2330	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2331	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2332	}	3854	}
2333		3855
2334	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2335	}	3871	}
2336		3872
2337	warn "get rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3876
2341	warn "unload cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
		3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3880
2344	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3882	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2347		3884
		3885	warn "unload completed, starting to reload now";
		3886
2348	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2349	require cf;	3888	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2351		3890
2352	warn "load config and database again";	3891	warn "loading config and database again";
2353	cf::cfg_load;	3892	cf::reload_config;
2354	cf::db_load;
2355		3893
2356	warn "load extensions";	3894	warn "loading extensions";
2357	cf::load_extensions;	3895	cf::load_extensions;
2358		3896
		3897	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3899	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3900	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
		3902	warn "reattaching attachments to players";
		3903	reattach $_ for values %PLAYER;
		3904	}
		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
		3909	warn "leaving sync_job";
		3910
		3911	1
		3912	} or do {
		3913	warn $@;
		3914	cf::cleanup "error while reloading, exiting.";
		3915	};
		3916
		3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
		3923	};
		3924
		3925	our $RELOAD_WATCHER; # used only during reload
		3926
		3927	sub reload_perl() {
		3928	# doing reload synchronously and two reloads happen back-to-back,
		3929	# coro crashes during coro_state_free->destroy here.
		3930
		3931	$RELOAD_WATCHER ||= cf::async {
		3932	Coro::AIO::aio_wait cache_extensions;
		3933
		3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3935	do_reload_perl;
		3936	undef $RELOAD_WATCHER;
		3937	};
2363	};	3938	};
2364		3939	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3940
2374	register_command "reload" => sub {	3941	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2376		3943
2377	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
		3948	reload_perl;
		3949	};
2381	}	3950	}
2382	};	3951	};
2383		3952
2384	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2385		3954
2386	$TICK_WATCHER = Event->timer (	3955	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3956
		3957	our @WAIT_FOR_TICK;
		3958	our @WAIT_FOR_TICK_BEGIN;
		3959
		3960	sub wait_for_tick {
		3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3962
		3963	my $signal = new Coro::Signal;
		3964	push @WAIT_FOR_TICK, $signal;
		3965	$signal->wait;
		3966	}
		3967
		3968	sub wait_for_tick_begin {
		3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3970
		3971	my $signal = new Coro::Signal;
		3972	push @WAIT_FOR_TICK_BEGIN, $signal;
		3973	$signal->wait;
		3974	}
		3975
		3976	sub tick {
		3977	if ($Coro::current != $Coro::main) {
		3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3979	unless ++$bug_warning > 10;
		3980	return;
		3981	}
		3982
2394	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3984
2398	$WAIT_FOR_TICK->broadcast;	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		3986
2401	# if we are delayed by four ticks or more, skip them all	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		3989	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	3990	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3991	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3992	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3993	};
2428	},	3994	}
2429	);	3995
		3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3997	$sig->send;
		3998	}
		3999	while (my $sig = shift @WAIT_FOR_TICK) {
		4000	$sig->send;
		4001	}
		4002
		4003	$LOAD = ($NOW - $TICK_START) / $TICK;
		4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4005
		4006	if (0) {
		4007	if ($NEXT_TICK) {
		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
		4012	}
		4013	}
		4014
		4015	{
		4016	# configure BDB
		4017
		4018	BDB::min_parallel 16;
		4019	BDB::max_poll_reqs $TICK * 0.1;
		4020	$AnyEvent::BDB::WATCHER->priority (1);
		4021
		4022	unless ($DB_ENV) {
		4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4029
		4030	cf::sync_job {
		4031	eval {
		4032	BDB::db_env_open
		4033	$DB_ENV,
		4034	$BDBDIR,
		4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4037	0666;
		4038
		4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4040	};
		4041
		4042	cf::cleanup "db_env_open(db): $@" if $@;
		4043	};
		4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
		4055	}
		4056
		4057	{
		4058	# configure IO::AIO
		4059
		4060	IO::AIO::min_parallel 8;
		4061	IO::AIO::max_poll_time $TICK * 0.1;
		4062	undef $AnyEvent::AIO::WATCHER;
		4063	}
		4064
		4065	my $_log_backtrace;
		4066
		4067	sub _log_backtrace {
		4068	my ($msg, @addr) = @_;
		4069
		4070	$msg =~ s/\n//;
		4071
		4072	# limit the # of concurrent backtraces
		4073	if ($_log_backtrace < 2) {
		4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
		4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
		4079	my @bt = fork_call {
		4080	@addr = map { sprintf "%x", $_ } @addr;
		4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4083	or die "addr2line: $!";
		4084
		4085	my @funcs;
		4086	my @res = <$fh>;
		4087	chomp for @res;
		4088	while (@res) {
		4089	my ($func, $line) = splice @res, 0, 2, ();
		4090	push @funcs, "[$func] $line";
		4091	}
		4092
		4093	@funcs
		4094	};
		4095
		4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4098	LOG llevInfo, "[ABT] $_\n" for @bt;
		4099	--$_log_backtrace;
		4100	};
		4101	} else {
		4102	LOG llevInfo, "[ABT] $msg\n";
		4103	LOG llevInfo, "[ABT] [suppressed]\n";
		4104	}
		4105	}
		4106
		4107	# load additional modules
		4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
2430		4110
2431	END { cf::emergency_save }	4111	END { cf::emergency_save }
2432		4112
2433	1	4113	1
2434		4114

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines