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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 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;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	115	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
69		124
70	our %CFG;	125	our %CFG;
71		126
72	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
74		130
75	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		134
84	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
87	binmode STDOUT;	148	binmode STDOUT;
88	binmode STDERR;	149	binmode STDERR;
89		150
90	# read virtual server time, if available	151	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
95	}	156	}
96		157
97	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	159
99	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		162
104	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
105		164
106	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
107		177
108	#############################################################################	178	#############################################################################
109		179
110	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
111		181
…		…
118	=item $cf::RUNTIME	188	=item $cf::RUNTIME
119		189
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	191	every server tick.
122		192
123	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		196
125	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
127		201
128	=item $cf::NOW	202	=item $cf::NOW
129		203
130	The time of the last (current) server tick.	204	The time of the last (current) server tick.
131		205
132	=item $cf::TICK	206	=item $cf::TICK
133		207
134	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
135		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
136	=item %cf::CFG	220	=item %cf::CFG
137		221
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	223	from wherever your confdir points to.
140		224
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		226
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
147		242
148	=back	243	=back
149		244
150	=cut	245	=cut
151		246
152	BEGIN {	247	$Coro::State::WARNHOOK = sub {
153	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	248	my $msg = join "", @_;
155	utf8::encode $msg;
156		249
157	$msg .= "\n"	250	$msg .= "\n"
158	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
159		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
160	LOG llevError, $msg;	255	LOG llevError, $msg;
161	};	256	};
162	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
163		271
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		279
171	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	281	# within the Safe compartment.
173	for my $pkg (qw(	282	for my $pkg (qw(
174	cf::global cf::attachable	283	cf::global cf::attachable
175	cf::object cf::object::player	284	cf::object cf::object::player
176	cf::client cf::player	285	cf::client cf::player
177	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
178	cf::map cf::party cf::region	288	cf::party cf::region
179	)) {	289	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	291	}
183		292
184	$Event::DIED = sub {	293	$EV::DIED = sub {
185	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
186	};	295	};
		296
		297	#############################################################################
187		298
188	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
189		300
190	=over 4	301	=over 4
191		302
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	322	$d
212	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
213	}	324	}
214		325
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
218		327
219	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
220		329
221	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
222		331
223	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
224		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
225	=item cf::lock_wait $string	355	=item cf::lock_wait $string
226		356
227	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
228		358
229	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
230		360
231	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
234	returned.	364	returned.
235		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
236	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
238		371
239	=cut	372	=item $locked = cf::lock_active $string
240		373
241	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
242		379
243	sub lock_wait($) {	380	sub lock_wait($) {
244	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	382	}
252		383
253	sub lock_acquire($) {	384	sub lock_acquire($) {
254	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
255		387
256	# wait, to be sure we are not locked	388	sub lock_active($) {
257	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	390	}
266		391
267	sub freeze_mainloop {	392	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
269		394
270	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
272	};	462	}
273	$TICK_WATCHER->stop;	463	};
274	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
275	}	478	}
276		479
277	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
278		481
279	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		487
285	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
286		489
287	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
288		491
289	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
292		496
293	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
296	fast or be very important.	500	fast or be very important.
…		…
299		503
300	sub sync_job(&) {	504	sub sync_job(&) {
301	my ($job) = @_;	505	my ($job) = @_;
302		506
303	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = AE::time;
		509
304	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
306		512
307	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	514
309	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
310		516
311	my $busy = 1;	517	my $busy = 1;
312	my @res;	518	my @res;
313		519
314	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	522	@res = eval { $job->() };
316	warn $@ if $@;	523	warn $@ if $@;
317	undef $busy;	524	undef $busy;
318	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
319		526
320	while ($busy) {	527	while ($busy) {
321	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
322	}	532	}
		533	}
		534
		535	my $time = AE::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
323		538
324	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
325	} else {	540	} else {
326	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
327		542
…		…
347	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
348		563
349	$coro	564	$coro
350	}	565	}
351		566
352	sub write_runtime {	567	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		568
355	my $runtime = cf::localdir . "/runtime";	569	Executes the given code block with the given arguments in a seperate
		570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
356		573
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
358	or return;
359		575
360	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		578
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
365	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
366		582
367	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	584	reset_signals;
369	and return;	585	&$cb
		586	}, @args;
370		587
371	close $fh	588	wantarray ? @res : $res[-1]
372	or return;	589	}
373		590
374	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
375	and return;
376		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
377	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
378	}	743	}
379		744
380	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
381		746
382	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		759
395	#############################################################################	760	#############################################################################
396		761
397	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
398		763
399	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
402		767
403	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	770	Deliantra).
406		771
407	=over 4	772	=over 4
408		773
409	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
410		775
…		…
454	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
455		820
456	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
458		823
459	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
461		826
462	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
463		828
464	=over 4	829	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
574		939
575	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		944
580	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	946	my $pkg = shift @arg;
582		947
583	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
613	}	978	}
614		979
615	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
616	} else {	981	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	983	}
619		984
620	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
621	}	986	}
622		987
…		…
624	if (ref $_[0]) {	989	if (ref $_[0]) {
625	_object_attach @_;	990	_object_attach @_;
626	} else {	991	} else {
627	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
628	}	993	}
		994	_recalc_want;
629	};	995	};
630		996
631	# all those should be optimised	997	# all those should be optimised
632	sub cf::attachable::detach {	998	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1003	reattach ($obj);
638	} else {	1004	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
640	}	1006	}
		1007	_recalc_want;
641	};	1008	};
642		1009
643	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
645		1012
…		…
660	";	1027	";
661	die if $@;	1028	die if $@;
662	}	1029	}
663		1030
664	our $override;	1031	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1033
667	sub override {	1034	sub override {
668	$override = 1;	1035	$override = 1;
669	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
670	}	1037	}
671		1038
672	sub do_invoke {	1039	sub do_invoke {
673	my $event = shift;	1040	my $event = shift;
674	my $callbacks = shift;	1041	my $callbacks = shift;
675		1042
676	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
677		1044
678	local $override;	1045	local $override;
679		1046
680	for (@$callbacks) {	1047	for (@$callbacks) {
681	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
690	}	1057	}
691		1058
692	0	1059	0
693	}	1060	}
694		1061
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1063
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1065
699	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
700		1067
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1071
705	=back	1072	=back
706		1073
707	=cut	1074	=cut
708		1075
709	#############################################################################	1076	#############################################################################
710	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
711		1120
712	sub reattach {	1121	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1123	my ($obj) = @_;
715		1124
		1125	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1127
718	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
719		1129
720	@$registry = ();	1130	@$registry = ();
721		1131
…		…
736	cf::attachable->attach (	1146	cf::attachable->attach (
737	prio => -1000000,	1147	prio => -1000000,
738	on_instantiate => sub {	1148	on_instantiate => sub {
739	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
740		1150
741	$data = from_json $data;	1151	$data = decode_json $data;
742		1152
743	for (@$data) {	1153	for (@$data) {
744	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
745		1155
746	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1172	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
764		1174
765	sync_job {	1175	sync_job {
766	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
769		1180
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
774	close $fh;	1188	aio_close $fh;
775		1189
776	if (@$objs) {	1190	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
782	close $fh;	1199	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
784	}	1201	}
785	} else {	1202	} else {
786	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
787	}	1204	}
788		1205
789	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1210	} else {
791	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
792	}	1212	}
793	} else {	1213	} else {
794	aio_unlink $filename;	1214	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
796	}	1216	}
797	}	1217	};
798	}	1218	}
799		1219
800	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
802		1222
…		…
814	or return;	1234	or return;
815		1235
816	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
818	or return;	1238	or return;
		1239
819	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
820	}	1242	}
821		1243
		1244	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
824	return ($data, $av);	1248	($data, $av)
825	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
826		1256
827	#############################################################################	1257	#############################################################################
828	# command handling &c	1258	# command handling &c
829		1259
830	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1274	}
845		1275
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1277
848	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
849		1283
850	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
851	called.	1285	called.
852		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
853	=cut	1298	=cut
854		1299
855	sub register_extcmd {	1300	sub register_extcmd {
856	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
857		1302
858	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
859	}	1304	}
860		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
861	cf::player->attach (	1314	cf::player->attach (
862	on_command => sub {	1315	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
864		1317
865	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
866	or return;	1319	or return;
867		1320
…		…
872	cf::override;	1325	cf::override;
873	},	1326	},
874	on_extcmd => sub {	1327	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
876		1329
877	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1331
879	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
885	} else {	1347	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1349	}
888		1350
889	cf::override;	1351	cf::override;
890	},	1352	},
891	);	1353	);
892		1354
		1355	# "readahead" all extensions
893	sub load_extension {	1356	sub cache_extensions {
894	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
895		1358
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1362	}
921	die $@;
922	}	1363	};
923		1364
924	push @EXTS, $pkg;	1365	$grp
925	}	1366	}
926		1367
927	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
928	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1373	next unless -r $path;
930	eval {	1374
931	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
932	1	1435	}
933	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
934	}	1446	};
935	}	1447	}
936		1448
937	#############################################################################	1449	#############################################################################
938		1450
		1451	=back
		1452
939	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
940		1454
941	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
942		1456
943	=cut	1457	=cut
944		1458
945	package cf::player;	1459	package cf::player;
946		1460
…		…
948		1462
949	=head3 cf::player	1463	=head3 cf::player
950		1464
951	=over 4	1465	=over 4
952		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
953	=item cf::player::find $login	1481	=item cf::player::find $login
954		1482
955	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
956		1484
957	=cut	1485	=cut
958		1486
959	sub playerdir($) {	1487	sub playerdir($) {
960	cf::localdir	1488	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1490	}
966		1491
967	sub path($) {	1492	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1503
979	sub exists($) {	1504	sub exists($) {
980	my ($login) = @_;	1505	my ($login) = @_;
981		1506
982	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
984	}	1509	}
985		1510
986	sub find($) {	1511	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1513	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
999		1524
1000	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1003	}	1534	}
1004	}	1535	}
1005	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
1006		1550
1007	sub save($) {	1551	sub save($) {
1008	my ($pl) = @_;	1552	my ($pl) = @_;
1009		1553
1010	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1016		1560
1017	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1019		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1568
1020	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1021	Coro::cede;	1570	cf::cede_to_tick;
1022	}	1571	}
1023		1572
1024	sub new($) {	1573	sub new($) {
1025	my ($login) = @_;	1574	my ($login) = @_;
1026		1575
…		…
1032	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1033		1582
1034	$self	1583	$self
1035	}	1584	}
1036		1585
		1586	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1587
		1588	=cut
		1589
		1590	sub send_msg {
		1591	my $ns = shift->ns
		1592	or return;
		1593	$ns->send_msg (@_);
		1594	}
		1595
1037	=item $pl->quit_character	1596	=item $pl->quit_character
1038		1597
1039	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1041		1600
…		…
1045	my ($pl) = @_;	1604	my ($pl) = @_;
1046		1605
1047	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1048		1607
1049	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1610
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1056		1617
1057	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1649	while and may block, so not sync_job-capable, ever.
1089		1650
1090	=cut	1651	=cut
1091		1652
1092	sub list_logins {	1653	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1654	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1655	or return [];
1095		1656
1096	my @logins;	1657	my @logins;
1097		1658
1098	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
		1660	my $path = path $login;
		1661
		1662	# a .pst is a dead give-away for a valid player
		1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1102		1669
1103	utf8::decode $login;	1670	utf8::decode $login;
1104	push @logins, $login;	1671	push @logins, $login;
1105	}	1672	}
1106		1673
…		…
1133	}	1700	}
1134		1701
1135	\@paths	1702	\@paths
1136	}	1703	}
1137		1704
		1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1706
		1707	Expand deliantra pod fragments into protocol xml.
		1708
1138	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1139		1710
1140	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1141		1712
1142	=cut	1713	=cut
1143		1714
1144	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1146		1717
1147	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1719	}
1151		1720
1152	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1153		1722
1154	Sends an ext event to the client.	1723	Sends an ext event to the client.
1155		1724
1156	=cut	1725	=cut
1157		1726
1158	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1160		1729
1161	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1162	}	1731	}
1163		1732
1164	=head3 cf::region	1733	=head3 cf::region
1165		1734
1166	=over 4	1735	=over 4
…		…
1169		1738
1170	package cf::region;	1739	package cf::region;
1171		1740
1172	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1173		1742
1174	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1175		1744
1176	=cut	1745	=cut
1177		1746
1178	sub find_by_path($) {	1747	sub find_by_path($) {
1179	my ($path) = @_;	1748	my ($path) = @_;
1180		1749
1181	my ($match, $specificity);	1750	my ($match, $specificity);
1182		1751
1183	for my $region (list) {	1752	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1187	}	1756	}
1188	}	1757	}
1189		1758
…		…
1210	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1212		1781
1213	sub generate_random_map {	1782	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1215	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1788	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1253	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1254		1826
1255	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1256	local $self->{path};	1828	local $self->{path};
1257	local $self->{load_path};	1829	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1830
1261	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1262	}	1832	}
1263		1833
1264	sub normalise {	1834	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1312	return $self;	1882	return $self;
1313	}	1883	}
1314	}	1884	}
1315		1885
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1887	()
1318	}	1888	}
1319		1889
1320	sub init {	1890	sub init {
1321	my ($self) = @_;	1891	my ($self) = @_;
…		…
1336		1906
1337	# the original (read-only) location	1907	# the original (read-only) location
1338	sub load_path {	1908	sub load_path {
1339	my ($self) = @_;	1909	my ($self) = @_;
1340		1910
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1342	}	1912	}
1343		1913
1344	# the temporary/swap location	1914	# the temporary/swap location
1345	sub save_path {	1915	sub save_path {
1346	my ($self) = @_;	1916	my ($self) = @_;
1347		1917
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1350	}	1920	}
1351		1921
1352	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1353	sub uniq_path {	1923	sub uniq_path {
1354	my ($self) = @_;	1924	my ($self) = @_;
1355		1925
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1358	}	1928	}
1359		1929
1360	# and all this just because we cannot iterate over	1930	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1931	my ($self) = @_;
1364		1932
1365	$_->change_map_light ($change)	1933	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1934
		1935	$self->do_decay_objects;
1367	}	1936	}
1368		1937
1369	sub unlink_save {	1938	sub unlink_save {
1370	my ($self) = @_;	1939	my ($self) = @_;
1371		1940
…		…
1376		1945
1377	sub load_header_from($) {	1946	sub load_header_from($) {
1378	my ($self, $path) = @_;	1947	my ($self, $path) = @_;
1379		1948
1380	utf8::encode $path;	1949	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1951	or return;
		1952
		1953	$self->_load_header ($f)
		1954	or return;
		1955
		1956	local $MAP_LOADING{$self->{path}} = $self;
		1957	$f->resolve_delayed_derefs;
1386		1958
1387	$self->{load_path} = $path;	1959	$self->{load_path} = $path;
1388		1960
1389	1	1961	1
1390	}	1962	}
…		…
1429	$self->load_header_orig	2001	$self->load_header_orig
1430	or return;	2002	or return;
1431	$self->prepare_orig;	2003	$self->prepare_orig;
1432	}	2004	}
1433		2005
		2006	$self->{deny_reset} = 1
		2007	if $self->no_reset;
		2008
1434	$self->default_region (cf::region::find_by_path $self->{path})	2009	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2010	unless $self->default_region;
1436		2011
1437	1	2012	1
1438	}	2013	}
…		…
1441	sub find {	2016	sub find {
1442	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1443		2018
1444	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1445		2020
		2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2023
1448	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1451	or return;	2026	or return;
1452		2027
1453	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1454		2029
1455	$map->load_header	2030	$map->load_header
1456	or return;	2031	or return;
1457		2032
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1461	$map->reset;	2038	$map->reset;
1462	undef $guard;
1463	return find $path;	2039	return find $path;
1464	}	2040	}
1465		2041
1466	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1467	}	2043	}
1468	}	2044	}
1469		2045
1470	sub pre_load { }	2046	sub pre_load { }
1471	sub post_load { }	2047	#sub post_load { } # XS
1472		2048
1473	sub load {	2049	sub load {
1474	my ($self) = @_;	2050	my ($self) = @_;
1475		2051
1476	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
1477		2053
1478	my $path = $self->{path};	2054	my $path = $self->{path};
		2055
		2056	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1480		2058
		2059	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2061
1483	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1484		2063
1485	$self->alloc;	2064	$self->alloc;
1486		2065
1487	$self->pre_load;	2066	$self->pre_load;
		2067	cf::cede_to_tick;
1488		2068
1489	$self->_load_objects ($self->{load_path}, 1)	2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
		2071	$self->_load_objects ($f)
1490	or return;	2072	or return;
1491		2073
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1493	if delete $self->{load_original};	2075	if delete $self->{load_original};
1494		2076
1495	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2078	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2081	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1500	}	2085	}
1501	}	2086	}
1502		2087
1503	Coro::cede;	2088	$f->resolve_delayed_derefs;
1504		2089
		2090	cf::cede_to_tick;
1505	# now do the right thing for maps	2091	# now do the right thing for maps
1506	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2094	unless $self->difficulty;
1516	Coro::cede;	2095	cf::cede_to_tick;
		2096
		2097	unless ($self->{deny_activate}) {
		2098	$self->decay_objects;
		2099	$self->fix_auto_apply;
		2100	$self->update_buttons;
		2101	cf::cede_to_tick;
1517	$self->activate;	2102	$self->activate;
		2103	}
		2104
		2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
		2107
		2108	$self->in_memory (cf::MAP_ACTIVE);
1518	}	2109	}
1519		2110
1520	$self->post_load;	2111	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2112	}
1524		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1525	sub customise_for {	2117	sub customise_for {
1526	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1527		2119
1528	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2121	if $self->per_player;
1530		2122
		2123	# return find "?party/" . $ob->name . "/" . $self->{path}
		2124	# if $self->per_party;
		2125
1531	$self	2126	$self
1532	}	2127	}
1533		2128
1534	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2130	sub load_neighbours {
1536	my ($map) = @_;	2131	my ($map) = @_;
1537		2132
1538	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1539		2134
1540	for (0 .. 3) {	2135	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1542	or next;	2137	or next;
1543	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1544	or next;	2139	or next;
1545	$neigh->load;	2140	$neigh->load;
1546		2141
		2142	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2145	}
1550		2146
1551	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1553	or next;	2150	or next;
1554	$neigh->load;	2151	$neigh->load;
1555	}	2152	}
1556	}	2153	}
1557		2154
…		…
1562	}	2159	}
1563		2160
1564	sub do_load_sync {	2161	sub do_load_sync {
1565	my ($map) = @_;	2162	my ($map) = @_;
1566		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1567	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1568	}	2168	}
1569		2169
1570	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2171	our $MAP_PREFETCHER = undef;
1572		2172
1573	sub find_async {	2173	sub find_async {
1574	my ($path, $origin) = @_;	2174	my ($path, $origin, $load) = @_;
1575		2175
1576	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
1577		2177
1578	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1580	}	2180	}
1581		2181
1582	undef $MAP_PREFETCH{$path};	2182	$MAP_PREFETCH{$path} |= $load;
		2183
1583	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
1584	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2189	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2190	$map->load if $v;
		2191	}
1589		2192
1590	delete $MAP_PREFETCH{$path};	2193	delete $MAP_PREFETCH{$k};
1591	}	2194	}
1592	}	2195	}
1593	undef $MAP_PREFETCHER;	2196	undef $MAP_PREFETCHER;
1594	};	2197	};
1595	$MAP_PREFETCHER->prio (6);	2198	$MAP_PREFETCHER->prio (6);
…		…
1598	}	2201	}
1599		2202
1600	sub save {	2203	sub save {
1601	my ($self) = @_;	2204	my ($self) = @_;
1602		2205
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1604		2207
1605	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1606		2209
1607	return unless $self->dirty;	2210	return unless $self->dirty;
1608		2211
…		…
1614	return if $self->{deny_save};	2217	return if $self->{deny_save};
1615		2218
1616	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
1617		2220
1618	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
1620	};	2224	};
		2225
		2226	cf::get_slot 0.02;
1621		2227
1622	if ($uniq) {	2228	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2231	} else {
…		…
1631	my ($self) = @_;	2237	my ($self) = @_;
1632		2238
1633	# save first because save cedes	2239	# save first because save cedes
1634	$self->save;	2240	$self->save;
1635		2241
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2243
1638	return if $self->players;	2244	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
1640	return if $self->{deny_save};	2246	return if $self->{deny_save};
1641		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1642	$self->clear;	2252	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2253	}
1645		2254
1646	sub reset_at {	2255	sub reset_at {
1647	my ($self) = @_;	2256	my ($self) = @_;
1648		2257
1649	# TODO: safety, remove and allow resettable per-player maps	2258	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2259	return 1e99 if $self->{deny_reset};
1652		2260
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2261	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2262	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2263
…		…
1666	my ($self) = @_;	2274	my ($self) = @_;
1667		2275
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2277
1670	return if $self->players;	2278	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2279
1673	warn "resetting map ", $self->path;#d#	2280	warn "resetting map ", $self->path, "\n";
1674		2281
1675	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
1676		2283
1677	# need to save uniques path	2284	# need to save uniques path
1678	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2289	if $uniq;
1683	}	2290	}
1684		2291
1685	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
1686		2293
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2296	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2297
1691	$self->unlink_save;	2298	$self->unlink_save;
1692	$self->destroy;	2299	$self->destroy;
1693	}	2300	}
1694		2301
1695	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
1696		2303
1697	sub nuke {	2304	sub nuke {
1698	my ($self) = @_;	2305	my ($self) = @_;
1699		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
1700	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1701		2311
1702	$self->unlink_save;	2312	$self->unlink_save;
1703		2313
1704	bless $self, "cf::map";	2314	bless $self, "cf::map";
1705	delete $self->{deny_reset};	2315	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2319
1710	$cf::MAP{$self->path} = $self;	2320	$cf::MAP{$self->path} = $self;
		2321	}
1711		2322
1712	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
		2324	}
		2325
		2326	=item $maps = cf::map::tmp_maps
		2327
		2328	Returns an arrayref with all map paths of currently instantiated and saved
		2329	maps. May block.
		2330
		2331	=cut
		2332
		2333	sub tmp_maps() {
		2334	[
		2335	map {
		2336	utf8::decode $_;
		2337	/\.map$/
		2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $TMPDIR or [] }
		2341	]
		2342	}
		2343
		2344	=item $maps = cf::map::random_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	random maps. May block.
		2348
		2349	=cut
		2350
		2351	sub random_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise "?random/$_"
		2357	: ()
		2358	} @{ aio_readdir $RANDOMDIR or [] }
		2359	]
1713	}	2360	}
1714		2361
1715	=item cf::map::unique_maps	2362	=item cf::map::unique_maps
1716		2363
1717	Returns an arrayref of paths of all shared maps that have	2364	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2365	instantiated unique items. May block.
1719		2366
1720	=cut	2367	=cut
1721		2368
1722	sub unique_maps() {	2369	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2370	[
1724	or return;	2371	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2372	utf8::decode $_;
1730	next if /\.pst$/;	2373	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2375	? ()
1733	push @paths, cf::map::normalise $_;	2376	: normalise $_
		2377	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2378	]
1735
1736	\@paths
1737	}	2379	}
1738		2380
1739	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
1740		2412
1741	=back	2413	=back
1742		2414
1743	=head3 cf::object	2415	=head3 cf::object
1744		2416
…		…
1748		2420
1749	=over 4	2421	=over 4
1750		2422
1751	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
1752		2424
1753	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
1754		2427
1755	=cut	2428	=cut
1756		2429
1757	sub inv_recursive_;	2430	sub inv_recursive_;
1758	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
1761		2434
1762	sub inv_recursive {	2435	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
1764	}	2437	}
1765		2438
		2439	=item $ref = $ob->ref
		2440
		2441	Creates and returns a persistent reference to an object that can be stored as a string.
		2442
		2443	=item $ob = cf::object::deref ($refstring)
		2444
		2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2446	even if the object actually exists. May block.
		2447
		2448	=cut
		2449
		2450	sub deref {
		2451	my ($ref) = @_;
		2452
		2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2454	my ($uuid, $name) = ($1, $2);
		2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2456	or return;
		2457	$pl->ob->uuid eq $uuid
		2458	or return;
		2459
		2460	$pl->ob
		2461	} else {
		2462	warn "$ref: cannot resolve object reference\n";
		2463	undef
		2464	}
		2465	}
		2466
1766	package cf;	2467	package cf;
1767		2468
1768	=back	2469	=back
1769		2470
1770	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
1776	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2477	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1777	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
1778	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
1779		2480
1780	=cut	2481	=cut
		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
1781		2496
1782	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
1783	# with dialog boxes.	2498	# with dialog boxes.
1784	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
1785	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
1787		2502
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2503	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2504
1790	if ($self->{record_replies}) {	2505	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2506	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2507
1792	} else {	2508	} else {
		2509	my $pl = $self->contr;
		2510
		2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2512	my $dialog = $pl->{npc_dialog};
		2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2514
		2515	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2518	}
1795	}	2519	}
		2520	}
		2521
		2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2523
		2524	=cut
		2525
		2526	sub cf::object::send_msg {
		2527	my $pl = shift->contr
		2528	or return;
		2529	$pl->send_msg (@_);
1796	}	2530	}
1797		2531
1798	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
1799		2533
1800	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
1813		2547
1814	=item $player_object->enter_link	2548	=item $player_object->enter_link
1815		2549
1816	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
1817		2551
1818	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
1819	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
1820		2556
1821	Will never block.	2557	Will never block.
1822		2558
1823	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
1824		2560
…		…
1847	$self->deactivate_recursive;	2583	$self->deactivate_recursive;
1848		2584
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2585	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2586
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2587	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2588	if $self->map && $self->map->{path} ne "{link}";
1853		2589
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2590	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2591	}
1856		2592
1857	sub cf::object::player::leave_link {	2593	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2594	my ($self, $map, $x, $y) = @_;
		2595
		2596	return unless $self->contr->active;
1859		2597
1860	my $link_pos = delete $self->{_link_pos};	2598	my $link_pos = delete $self->{_link_pos};
1861		2599
1862	unless ($map) {	2600	unless ($map) {
1863	# restore original map position	2601	# restore original map position
…		…
1874	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
1875	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
1876		2614
1877	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
1880		2618
1881	$map->load;	2619	$map->load;
1882	$map->load_diag;	2620	$map->load_neighbours;
1883		2621
1884	return unless $self->contr->active;	2622	return unless $self->contr->active;
1885	$self->activate_recursive;
1886		2623
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
1889	}
1890		2626
1891	cf::player->attach (	2627	# only activate afterwards, to support waiting in hooks
1892	on_logout => sub {	2628	$self->activate_recursive;
1893	my ($pl) = @_;	2629	}
1894		2630
1895	# abort map switching before logout	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2632
1905	# try to abort aborted map switching on player login :)	2633	Moves the player to the given map-path and coordinates by first freezing
1906	# should happen only on crashes	2634	her, loading and preparing them map, calling the provided $check callback
1907	if ($pl->ob->{_link_pos}) {	2635	that has to return the map if sucecssful, and then unfreezes the player on
1908	$pl->ob->enter_link;	2636	the new (success) or old (failed) map position. In either case, $done will
1909	(async {	2637	be called at the end of this process.
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922		2638
1923	=item $player_object->goto ($path, $x, $y)	2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
1924		2641
1925	=cut	2642	=cut
		2643
		2644	our $GOTOGEN;
1926		2645
1927	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2647	my ($self, $path, $x, $y, $check, $done) = @_;
		2648
		2649	# do generation counting so two concurrent goto's will be executed in-order
		2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2651
1930	$self->enter_link;	2652	$self->enter_link;
1931		2653
1932	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
1933	my $map = eval {	2676	my $map = eval {
1934	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
		2678
		2679	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2680	$map = $map->customise_for ($self);
		2681	$map = $check->($map) if $check && $map;
		2682	} else {
		2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2684	}
		2685
1936	$map	2686	$map
		2687	};
		2688
		2689	if ($@) {
		2690	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2691	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2692	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2693
		2694	if ($gen == $self->{_goto_generation}) {
		2695	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2696	$self->leave_link ($map, $x, $y);
		2697	}
		2698
		2699	$done->() if $done;
1941	})->prio (1);	2700	})->prio (1);
1942	}	2701	}
1943		2702
1944	=item $player_object->enter_exit ($exit_object)	2703	=item $player_object->enter_exit ($exit_object)
1945		2704
…		…
1965	}	2724	}
1966		2725
1967	sub prepare_random_map {	2726	sub prepare_random_map {
1968	my ($exit) = @_;	2727	my ($exit) = @_;
1969		2728
1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
1973	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
1974	# that depends on the exit object	2731	# that depends on the exit object
1975		2732
1976	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
1978	if ($exit->map) {	2735	if ($exit->map) {
1979	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
1980	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
1981	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
1982	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
1983	}	2742	}
1984		2743
1985	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
1986		2745
1987	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
1990		2749
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2752	undef $fh;
1994	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
1995		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
1996	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
1997	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
1998	}	2761	}
1999	}	2762	}
2000		2763
2001	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2002	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2003		2766
2004	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2005		2768
2006	if ($exit->slaying eq "/!") {
2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
2008	# the problem is that $exit might not survive long enough
2009	# so it needs to be done right now, right here
2010	cf::sync_job { prepare_random_map $exit };
2011	}
2012
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;
2016
2017	$self->enter_link;	2769	$self->enter_link;
2018		2770
2019	(async {	2771	(async {
2020	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2021	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2022	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2023		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2024	1;	2795	1
2025	}) {	2796	}) {
2026	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2027	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2028	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2029	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2030		2801
2031	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2050		2821
2051	utf8::encode $text;	2822	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2824	}
2054		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
		2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2852
		2853	Send a drawinfo or msg packet to the client, formatting the msg for the
		2854	client if neccessary. C<$type> should be a string identifying the type of
		2855	the message, with C<log> being the default. If C<$color> is negative, suppress
		2856	the message unless the client supports the msg packet.
		2857
		2858	=cut
		2859
		2860	# non-persistent channels (usually the info channel)
		2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
		2868	"c/identify" => {
		2869	id => "infobox",
		2870	title => "Identify",
		2871	reply => undef,
		2872	tooltip => "Items recently identified",
		2873	},
		2874	"c/examine" => {
		2875	id => "infobox",
		2876	title => "Examine",
		2877	reply => undef,
		2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
		2972	);
		2973
		2974	sub cf::client::send_msg {
		2975	my ($self, $channel, $msg, $color, @extra) = @_;
		2976
		2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
		2979
		2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2981
		2982	# check predefined channels, for the benefit of C
		2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
		2989	} elsif (ref $channel) {
		2990	# send meta info to client, if not yet sent
		2991	unless (exists $self->{channel}{$channel->{id}}) {
		2992	$self->{channel}{$channel->{id}} = $channel;
		2993	$self->ext_msg (channel_info => $channel);
		2994	}
		2995
		2996	$channel = $channel->{id};
		2997	}
		2998
		2999	return unless @extra || length $msg;
		3000
		3001	# default colour, mask it out
		3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3003	if $color & cf::NDI_DEF;
		3004
		3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
		3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3008	);
		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
2055	=item $client->ext_event ($type, %msg)	3013	=item $client->ext_msg ($type, @msg)
2056		3014
2057	Sends an exti event to the client.	3015	Sends an ext event to the client.
2058		3016
2059	=cut	3017	=cut
2060		3018
2061	sub cf::client::ext_event($$%) {	3019	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	3020	my ($self, $type, @msg) = @_;
2063		3021
		3022	if ($self->extcmd == 2) {
		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	3025	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3027	}
		3028	}
		3029
		3030	=item $client->ext_reply ($msgid, @msg)
		3031
		3032	Sends an ext reply to the client.
		3033
		3034	=cut
		3035
		3036	sub cf::client::ext_reply($$@) {
		3037	my ($self, $id, @msg) = @_;
		3038
		3039	if ($self->extcmd == 2) {
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3041	} elsif ($self->extcmd == 1) {
		3042	#TODO: version 1, remove
		3043	unshift @msg, msgtype => "reply", msgid => $id;
		3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3045	}
2066	}	3046	}
2067		3047
2068	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2069		3049
2070	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3051	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3052	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		3053
2074	Queries can fail, so check the return code. Or don't, as queries will become	3054	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	3055	become reliable at some point in the future.
2076		3056
2077	=cut	3057	=cut
2078		3058
2079	sub cf::client::query {	3059	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	3060	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	3068	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3069	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		3070
2091	$self->send_packet ($self->{query_queue}[0][0])	3071	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	3072	if @{ $self->{query_queue} } == 1;
		3073
		3074	1
2093	}	3075	}
2094		3076
2095	cf::client->attach (	3077	cf::client->attach (
		3078	on_connect => sub {
		3079	my ($ns) = @_;
		3080
		3081	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3082	},
2096	on_reply => sub {	3083	on_reply => sub {
2097	my ($ns, $msg) = @_;	3084	my ($ns, $msg) = @_;
2098		3085
2099	# this weird shuffling is so that direct followup queries	3086	# this weird shuffling is so that direct followup queries
2100	# get handled first	3087	# get handled first
…		…
2112	} else {	3099	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3100	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	3101	}
2115	}	3102	}
2116	},	3103	},
		3104	on_exticmd => sub {
		3105	my ($ns, $buf) = @_;
		3106
		3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3108
		3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
		3117	if (my $cb = $EXTICMD{$type}) {
		3118	@reply = $cb->($ns, @payload);
		3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
		3124	} else {
		3125	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3126	}
		3127
		3128	cf::override;
		3129	},
2117	);	3130	);
2118		3131
2119	=item $client->async (\&cb)	3132	=item $client->async (\&cb)
2120		3133
2121	Create a new coroutine, running the specified callback. The coroutine will	3134	Create a new coroutine, running the specified callback. The coroutine will
…		…
2137		3150
2138	$coro	3151	$coro
2139	}	3152	}
2140		3153
2141	cf::client->attach (	3154	cf::client->attach (
2142	on_destroy => sub {	3155	on_client_destroy => sub {
2143	my ($ns) = @_;	3156	my ($ns) = @_;
2144		3157
2145	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2146	},	3159	},
2147	);	3160	);
…		…
2162	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2164		3177
2165	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2166		3179
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3180	$safe->permit_only (Opcode::opset qw(
		3181	:base_core :base_mem :base_orig :base_math :base_loop
		3182	grepstart grepwhile mapstart mapwhile
		3183	sort time
		3184	));
2168		3185
2169	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2170		3187
2171	=pod	3188	=pod
2172		3189
2173	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2174		3191
2175	cf::object contr pay_amount pay_player map	3192	cf::object
		3193	contr pay_amount pay_player map x y force_find force_add destroy
		3194	insert remove name archname title slaying race decrease split
		3195	value
		3196
2176	cf::object::player player	3197	cf::object::player
2177	cf::player peaceful	3198	player
2178	cf::map trigger	3199
		3200	cf::player
		3201	peaceful
		3202
		3203	cf::map
		3204	trigger
2179		3205
2180	=cut	3206	=cut
2181		3207
2182	for (	3208	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2184	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2186	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2187	) {	3215	) {
2188	no strict 'refs';	3216	no strict 'refs';
2189	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2208		3236
2209	my $qcode = $code;	3237	my $qcode = $code;
2210	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2211	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2212		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2213	local $_;	3244	local $_;
2214	local @safe::cf::_safe_eval_args = values %vars;
2215		3245
2216	my $eval =	3246	my $eval =
2217	"do {\n"	3247	"do {\n"
2218	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2219	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2220	. $code	3250	. $code
2221	. "\n}"	3251	. "\n}"
2222	;	3252	;
2223		3253
		3254	if ($CFG{safe_eval}) {
2224	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2225	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2226	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2227		3263
2228	if ($@) {	3264	if ($@) {
2229	warn "$@";	3265	warn "$@";
2230	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2231	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2250	=cut	3286	=cut
2251		3287
2252	sub register_script_function {	3288	sub register_script_function {
2253	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2254		3290
2255	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2256	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2257	}	3293	}
2258		3294
2259	=back	3295	=back
2260		3296
2261	=cut	3297	=cut
2262
2263	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334		3298
2335	#############################################################################	3299	#############################################################################
2336	# the server's init and main functions	3300	# the server's init and main functions
2337		3301
2338	sub load_facedata {	3302	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3303	my ($path) = @_;
		3304
		3305	# HACK to clear player env face cache, we need some signal framework
		3306	# for this (global event?)
		3307	%ext::player_env::MUSIC_FACE_CACHE = ();
		3308
		3309	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2340		3310
2341	warn "loading facedata from $path\n";	3311	warn "loading facedata from $path\n";
2342		3312
2343	my $facedata;	3313	my $facedata;
2344	0 < aio_load $path, $facedata	3314	0 < aio_load $path, $facedata
…		…
2347	$facedata = Coro::Storable::thaw $facedata;	3317	$facedata = Coro::Storable::thaw $facedata;
2348		3318
2349	$facedata->{version} == 2	3319	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		3321
		3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3324	$facedata->{resource}{"res/exp_table"} = {
		3325	type => FT_RSRC,
		3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
		3328	};
		3329	cf::cede_to_tick;
		3330
2352	{	3331	{
2353	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2354		3333
2355	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3337	cf::face::set_visibility $idx, $info->{visibility};
		3338	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2360	Coro::cede;	3341
		3342	cf::cede_to_tick;
2361	}	3343	}
2362		3344
2363	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2365	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2366	or next;	3349	or next;
		3350
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
		3352	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3354	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3356	}
2372	Coro::cede;	3357
		3358	cf::cede_to_tick;
2373	}	3359	}
2374	}	3360	}
2375		3361
2376	{	3362	{
2377	my $anims = $facedata->{animinfo};	3363	my $anims = $facedata->{animinfo};
2378		3364
2379	while (my ($anim, $info) = each %$anims) {	3365	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3366	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3367	cf::cede_to_tick;
2382	}	3368	}
2383		3369
2384	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
2385	}	3371	}
2386		3372
		3373	{
		3374	my $res = $facedata->{resource};
		3375
		3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
		3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3379
		3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
		3382	} else {
		3383	$RESOURCE{$name} = $info;
		3384	}
		3385
		3386	cf::cede_to_tick;
		3387	}
		3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
2387	1	3392	1
2388	}	3393	}
2389		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
		3433	sub reload_regions {
		3434	# HACK to clear player env face cache, we need some signal framework
		3435	# for this (global event?)
		3436	%ext::player_env::MUSIC_FACE_CACHE = ();
		3437
		3438	load_resource_file "$MAPDIR/regions"
		3439	or die "unable to load regions file\n";
		3440
		3441	for (cf::region::list) {
		3442	$_->{match} = qr/$_->{match}/
		3443	if exists $_->{match};
		3444	}
		3445	}
		3446
		3447	sub reload_facedata {
		3448	load_facedata "$DATADIR/facedata"
		3449	or die "unable to load facedata\n";
		3450	}
		3451
		3452	sub reload_archetypes {
		3453	load_resource_file "$DATADIR/archetypes"
		3454	or die "unable to load archetypes\n";
		3455	}
		3456
		3457	sub reload_treasures {
		3458	load_resource_file "$DATADIR/treasures"
		3459	or die "unable to load treasurelists\n";
		3460	}
		3461
2390	sub reload_resources {	3462	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3463	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3464
2393	load_facedata	3465	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3466	reload_archetypes;
2395	}
2396
2397	sub init {
2398	reload_resources;	3467	reload_regions;
2399	}	3468	reload_treasures;
2400		3469
2401	sub cfg_load {	3470	warn "finished reloading resource files\n";
		3471	}
		3472
		3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3477	or return;
2404		3478
2405	local $/;	3479	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2407		3481
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2409		3483
2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2416	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2417	};	3491	};
2418	warn $@ if $@;	3492	warn $@ if $@;
2419	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
2420	}	3524	}
2421		3525
2422	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
2423	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426	(async {	3544	(async {
2427	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
2429	};	3548	};
2430		3549
2431	cfg_load;	3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
		3557	reload_config;
2432	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
2433	load_extensions;	3568	load_extensions;
2434		3569
2435	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
2436	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
2437	}	3580	}
2438		3581
2439	#############################################################################	3582	#############################################################################
2440	# initialisation and cleanup	3583	# initialisation and cleanup
2441		3584
2442	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2443	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3589	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2452	},
2453	);	3591	};
		3592	}
		3593	}
		3594
		3595	sub write_runtime_sync {
		3596	my $t0 = AE::time;
		3597
		3598	# first touch the runtime file to show we are still running:
		3599	# the fsync below can take a very very long time.
		3600
		3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3602
		3603	my $guard = cf::lock_acquire "write_runtime";
		3604
		3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3606	or return;
		3607
		3608	my $value = $cf::RUNTIME + 90 + 10;
		3609	# 10 is the runtime save interval, for a monotonic clock
		3610	# 60 allows for the watchdog to kill the server.
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	# touch it again to show we are up-to-date
		3620	aio_utime $fh, undef, undef;
		3621
		3622	close $fh
		3623	or return;
		3624
		3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3626	and return;
		3627
		3628	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3629
2454	}	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
2455	}	3681	}
2456		3682
2457	sub emergency_save() {	3683	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
2459		3685
2460	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
2461		3687
2462	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
2463	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
2464	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
2465	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
2467	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3702	$pl->save;
2471	}	3703	}
2472	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
2473		3705
2474	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
2475	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
2476	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
2477	$map->valid or next;	3709	$map->valid or next;
2478	$map->save;	3710	$map->save;
2479	}	3711	}
2480	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
2481		3713
2482	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
2484	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
2485	};	3721	};
2486		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
2487	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
2488	}	3729	}
2489		3730
2490	sub post_cleanup {	3731	sub post_cleanup {
2491	my ($make_core) = @_;	3732	my ($make_core) = @_;
2492		3733
2493	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3735	if $make_core;
2495	}
2496		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
		3765	}
		3766
2497	sub reload() {	3767	sub do_reload_perl() {
2498	# can/must only be called in main	3768	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
2501	return;	3771	return;
2502	}	3772	}
2503		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = AE::time;
		3777
		3778	while ($RELOAD) {
2504	warn "reloading...";	3779	warn "reloading...";
2505		3780
2506	warn "entering sync_job";	3781	warn "entering sync_job";
2507		3782
2508	cf::sync_job {	3783	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
2510	cf::emergency_save;	3785	cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
2512		3787
2513	warn "syncing database to disk";	3788	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
2515		3790
2516	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
2517		3792
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
2524	for (;;) {
2525	BDB::flush;
2526	IO::AIO::flush;
2527	Coro::cede;
2528	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
2529	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2530	}
2531
2532	++$RELOAD;
2533
2534	warn "cancelling all extension coros";
2535	$_->cancel for values %EXT_CORO;
2536	%EXT_CORO = ();
2537
2538	warn "removing commands";
2539	%COMMAND = ();
2540
2541	warn "removing ext commands";
2542	%EXTCMD = ();
2543
2544	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";
2547
2548	if (my $cb = $pkg->can ("unload")) {
2549	eval {
2550	$cb->($pkg);
2551	1
2552	} or warn "$pkg unloaded, but with errors: $@";
2553	}	3796	}
2554		3797
2555	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
2556	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
2557	}	3800	%EXT_CORO = ();
2558		3801
2559	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
2560	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
2563	warn "... unloading $k";	3811	warn "... unloading $pkg";
2564	delete $INC{$k};
2565		3812
2566	$k =~ s/\.pm$//;
2567	$k =~ s/\//::/g;
2568
2569	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
2570	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
2571	}	3822	}
2572		3823
2573	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
2574	}	3839	}
2575		3840
2576	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
2577	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		3844
2580	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
		3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2582		3848
2583	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3850	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
2586		3852
2587	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
2588		3854
2589	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
2590	require cf;	3856	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
2592		3858
2593	warn "loading config and database again";	3859	warn "loading config and database again";
2594	cf::cfg_load;	3860	cf::reload_config;
2595		3861
2596	warn "loading extensions";	3862	warn "loading extensions";
2597	cf::load_extensions;	3863	cf::load_extensions;
2598		3864
		3865	if ($REATTACH_ON_RELOAD) {
2599	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
2600	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
2601	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
2605		3873
2606	warn "loading reloadable resources";	3874	warn "running post_init jobs";
2607	reload_resources;	3875	(pop @POST_INIT)->(1) while @POST_INIT;
2608		3876
2609	warn "leaving sync_job";	3877	warn "leaving sync_job";
2610		3878
2611	1	3879	1
2612	} or do {	3880	} or do {
2613	warn $@;	3881	warn $@;
2614	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
2615	exit 1;	3883	};
		3884
		3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = AE::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
		3891	};
		3892
		3893	our $RELOAD_WATCHER; # used only during reload
		3894
		3895	sub reload_perl() {
		3896	# doing reload synchronously and two reloads happen back-to-back,
		3897	# coro crashes during coro_state_free->destroy here.
		3898
		3899	$RELOAD_WATCHER ||= cf::async {
		3900	Coro::AIO::aio_wait cache_extensions;
		3901
		3902	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3903	do_reload_perl;
		3904	undef $RELOAD_WATCHER;
		3905	};
2616	};	3906	};
2617		3907	}
2618	warn "reloaded";
2619	};
2620
2621	our $RELOAD_WATCHER; # used only during reload
2622		3908
2623	register_command "reload" => sub {	3909	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
2625		3911
2626	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
2628		3914	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	3915	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	3916	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	3917	};
2641	}	3918	}
2642	};	3919	};
2643		3920
2644	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
2645		3922
2646	my $bug_warning = 0;	3923	my $bug_warning = 0;
2647		3924
2648	$TICK_WATCHER = Event->timer (	3925	our @WAIT_FOR_TICK;
2649	reentrant => 0,	3926	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	3927
2651	prio => 0,	3928	sub wait_for_tick {
2652	at => $NEXT_TICK || $TICK,	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2653	data => WF_AUTOCANCEL,	3930
2654	cb => sub {	3931	my $signal = new Coro::Signal;
		3932	push @WAIT_FOR_TICK, $signal;
		3933	$signal->wait;
		3934	}
		3935
		3936	sub wait_for_tick_begin {
		3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3938
		3939	my $signal = new Coro::Signal;
		3940	push @WAIT_FOR_TICK_BEGIN, $signal;
		3941	$signal->wait;
		3942	}
		3943
		3944	sub tick {
2655	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
2658	return;	3948	return;
2659	}	3949	}
2660		3950
2661	$NOW = Event::time;
2662
2663	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		3952
		3953	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		3954
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	3957	Coro::async_pool {
		3958	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	3959	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	3960	or warn "ERROR: unable to write runtime file: $!";
2672	};
2673	}	3961	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	3962	}
2687	);	3963
		3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3965	$sig->send;
		3966	}
		3967	while (my $sig = shift @WAIT_FOR_TICK) {
		3968	$sig->send;
		3969	}
		3970
		3971	$LOAD = ($NOW - $TICK_START) / $TICK;
		3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3973
		3974	if (0) {
		3975	if ($NEXT_TICK) {
		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
		3980	}
		3981	}
2688		3982
2689	{	3983	{
2690	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	3985
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
2700		3987	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		3989
2716	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
2717	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718		3997
2719	cf::sync_job {	3998	cf::sync_job {
2720	eval {	3999	eval {
2721	BDB::db_env_open	4000	BDB::db_env_open
2722	$DB_ENV,	4001	$DB_ENV,
2723	$BDB_ENV_DIR,	4002	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	4005	0666;
2727		4006
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	4008	};
2733		4009
2734	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	4011	};
2736	}	4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
2737	}	4023	}
2738		4024
2739	{	4025	{
		4026	# configure IO::AIO
		4027
2740	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	4031	}
		4032
		4033	my $_log_backtrace;
		4034
		4035	sub _log_backtrace {
		4036	my ($msg, @addr) = @_;
		4037
		4038	$msg =~ s/\n//;
		4039
		4040	# limit the # of concurrent backtraces
		4041	if ($_log_backtrace < 2) {
		4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
		4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
		4047	my @bt = fork_call {
		4048	@addr = map { sprintf "%x", $_ } @addr;
		4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4051	or die "addr2line: $!";
		4052
		4053	my @funcs;
		4054	my @res = <$fh>;
		4055	chomp for @res;
		4056	while (@res) {
		4057	my ($func, $line) = splice @res, 0, 2, ();
		4058	push @funcs, "[$func] $line";
		4059	}
		4060
		4061	@funcs
		4062	};
		4063
		4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4066	LOG llevInfo, "[ABT] $_\n" for @bt;
		4067	--$_log_backtrace;
		4068	};
		4069	} else {
		4070	LOG llevInfo, "[ABT] $msg\n";
		4071	LOG llevInfo, "[ABT] [suppressed]\n";
		4072	}
		4073	}
		4074
		4075	# load additional modules
		4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
2753		4078
2754	END { cf::emergency_save }	4079	END { cf::emergency_save }
2755		4080
2756	1	4081	1
2757		4082

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