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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.506 by root, Wed Feb 3 20:48:22 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 3.61 ();	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
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
58		112
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
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		134
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		147
84	binmode STDOUT;	148	binmode STDOUT;
85	binmode STDERR;	149	binmode STDERR;
86		150
87	# read virtual server time, if available	151	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
92	}	156	}
93		157
94	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	159
96	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		162
101	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
102		164
103	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::"} };
104		177
105	#############################################################################	178	#############################################################################
106		179
107	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
108		181
…		…
115	=item $cf::RUNTIME	188	=item $cf::RUNTIME
116		189
117	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
118	every server tick.	191	every server tick.
119		192
120	=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
121		196
122	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		201
125	=item $cf::NOW	202	=item $cf::NOW
126		203
127	The time of the last (current) server tick.	204	The time of the last (current) server tick.
128		205
129	=item $cf::TICK	206	=item $cf::TICK
130		207
131	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	220	=item %cf::CFG
134		221
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	223	from wherever your confdir points to.
137		224
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		226
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
144	=back	243	=back
145		244
146	=cut	245	=cut
147		246
148	BEGIN {	247	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	248	my $msg = join "", @_;
151	utf8::encode $msg;
152		249
153	$msg .= "\n"	250	$msg .= "\n"
154	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
155		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
156	LOG llevError, $msg;	255	LOG llevError, $msg;
157	};	256	};
158	}	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	};
159		271
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		279
167	# 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
168	# within the Safe compartment.	281	# within the Safe compartment.
169	for my $pkg (qw(	282	for my $pkg (qw(
170	cf::global cf::attachable	283	cf::global cf::attachable
171	cf::object cf::object::player	284	cf::object cf::object::player
172	cf::client cf::player	285	cf::client cf::player
173	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
174	cf::map cf::party cf::region	288	cf::party cf::region
175	)) {	289	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	291	}
179		292
180	$Event::DIED = sub {	293	$EV::DIED = sub {
181	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
182	};	295	};
		296
		297	#############################################################################
183		298
184	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
185		300
186	=over 4	301	=over 4
187		302
…		…
206	$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;
207	$d	322	$d
208	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
209	}	324	}
210		325
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
214		327
215	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
216		329
217	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
218		331
219	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	355	=item cf::lock_wait $string
222		356
223	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
224		358
225	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
226		360
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
230	returned.	364	returned.
231		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
232	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
233	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
234		371
235	=cut	372	=item $locked = cf::lock_active $string
236		373
237	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
238		379
239	sub lock_wait($) {	380	sub lock_wait($) {
240	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	382	}
248		383
249	sub lock_acquire($) {	384	sub lock_acquire($) {
250	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
251		387
252	# wait, to be sure we are not locked	388	sub lock_active($) {
253	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	390	}
262		391
263	sub freeze_mainloop {	392	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
265		394
266	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
268	};	462	}
269	$TICK_WATCHER->stop;	463	};
270	$guard	464
		465	sub get_slot($;$$) {
		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	$sig->wait;
271	}	478	}
272		479
273	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
274		481
275	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		487
281	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
282		489
283	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
284		491
285	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
288		496
289	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
292	fast or be very important.	500	fast or be very important.
…		…
295		503
296	sub sync_job(&) {	504	sub sync_job(&) {
297	my ($job) = @_;	505	my ($job) = @_;
298		506
299	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
300	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
302		512
303	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	514
305	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
306		516
307	my $busy = 1;	517	my $busy = 1;
308	my @res;	518	my @res;
309		519
310	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	522	@res = eval { $job->() };
312	warn $@ if $@;	523	warn $@ if $@;
313	undef $busy;	524	undef $busy;
314	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
315		526
316	while ($busy) {	527	while ($busy) {
317	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
318	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
319		538
320	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
321	} else {	540	} else {
322	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
323		542
…		…
343	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
344		563
345	$coro	564	$coro
346	}	565	}
347		566
348	sub write_runtime {	567	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		568
351	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.
352		573
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
354	or return;
355		575
356	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		578
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
361	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
362		582
363	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	584	reset_signals;
365	and return;	585	&$cb
		586	}, @args;
366		587
367	close $fh	588	wantarray ? @res : $res[-1]
368	or return;	589	}
369		590
370	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
371	and return;
372		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
373	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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"
374	}	743	}
375		744
376	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
377		746
378	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.
…		…
390		759
391	#############################################################################	760	#############################################################################
392		761
393	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
394		763
395	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
396	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")
397	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
398		767
399	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>
400	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
401	crossfire+).	770	Deliantra).
402		771
403	=over 4	772	=over 4
404		773
405	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
406		775
…		…
450	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
451		820
452	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
454		823
455	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		826
458	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
459		828
460	=over 4	829	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
570		939
571	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		944
576	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	946	my $pkg = shift @arg;
578		947
579	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
609	}	978	}
610		979
611	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
612	} else {	981	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	983	}
615		984
616	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
617	}	986	}
618		987
…		…
620	if (ref $_[0]) {	989	if (ref $_[0]) {
621	_object_attach @_;	990	_object_attach @_;
622	} else {	991	} else {
623	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
624	}	993	}
		994	_recalc_want;
625	};	995	};
626		996
627	# all those should be optimised	997	# all those should be optimised
628	sub cf::attachable::detach {	998	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1003	reattach ($obj);
634	} else {	1004	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
636	}	1006	}
		1007	_recalc_want;
637	};	1008	};
638		1009
639	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
641		1012
…		…
656	";	1027	";
657	die if $@;	1028	die if $@;
658	}	1029	}
659		1030
660	our $override;	1031	our $override;
661	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?
662		1033
663	sub override {	1034	sub override {
664	$override = 1;	1035	$override = 1;
665	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
666	}	1037	}
667		1038
668	sub do_invoke {	1039	sub do_invoke {
669	my $event = shift;	1040	my $event = shift;
670	my $callbacks = shift;	1041	my $callbacks = shift;
671		1042
672	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
673		1044
674	local $override;	1045	local $override;
675		1046
676	for (@$callbacks) {	1047	for (@$callbacks) {
677	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
686	}	1057	}
687		1058
688	0	1059	0
689	}	1060	}
690		1061
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1063
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1065
695	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
696		1067
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1071
701	=back	1072	=back
702		1073
703	=cut	1074	=cut
704		1075
705	#############################################################################	1076	#############################################################################
706	# 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, $ob2
		1119	}
707		1120
708	sub reattach {	1121	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1123	my ($obj) = @_;
711		1124
		1125	# no longer needed after getting rid of delete_package?
712	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
713		1127
714	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
715		1129
716	@$registry = ();	1130	@$registry = ();
717		1131
…		…
732	cf::attachable->attach (	1146	cf::attachable->attach (
733	prio => -1000000,	1147	prio => -1000000,
734	on_instantiate => sub {	1148	on_instantiate => sub {
735	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
736		1150
737	$data = from_json $data;	1151	$data = decode_json $data;
738		1152
739	for (@$data) {	1153	for (@$data) {
740	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
741		1155
742	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1172	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
760		1174
761	sync_job {	1175	sync_job {
762	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
765		1180
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1188	aio_close $fh;
771		1189
772	if (@$objs) {	1190	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1199	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
780	}	1201	}
781	} else {	1202	} else {
782	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
783	}	1204	}
784		1205
785	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1210	} else {
787	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
788	}	1212	}
789	} else {	1213	} else {
790	aio_unlink $filename;	1214	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
792	}	1216	}
793	}	1217	};
794	}	1218	}
795		1219
796	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
798		1222
…		…
810	or return;	1234	or return;
811		1235
812	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
814	or return;	1238	or return;
		1239
815	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
816	}	1242	}
817		1243
		1244	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
820	return ($data, $av);	1248	($data, $av)
821	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
822		1256
823	#############################################################################	1257	#############################################################################
824	# command handling &c	1258	# command handling &c
825		1259
826	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1274	}
841		1275
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1277
844	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.
845		1283
846	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
847	called.	1285	called.
848		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
849	=cut	1298	=cut
850		1299
851	sub register_extcmd {	1300	sub register_extcmd {
852	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
853		1302
854	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
855	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
856		1313
857	cf::player->attach (	1314	cf::player->attach (
858	on_command => sub {	1315	on_command => sub {
859	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
860		1317
…		…
868	cf::override;	1325	cf::override;
869	},	1326	},
870	on_extcmd => sub {	1327	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
872		1329
873	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1331
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
881	} else {	1347	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1349	}
884		1350
885	cf::override;	1351	cf::override;
886	},	1352	},
887	);	1353	);
888		1354
		1355	# "readahead" all extensions
889	sub load_extension {	1356	sub cache_extensions {
890	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
891		1358
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1362	}
917	die $@;
918	}	1363	};
919		1364
920	push @EXTS, $pkg;	1365	$grp
921	}	1366	}
922		1367
923	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
924	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1373	next unless -r $path;
926	eval {	1374
927	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 $active;
		1434	}
928	1	1435	}
929	} or warn "$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	}
930	}	1446	};
931	}	1447	}
932		1448
933	#############################################################################	1449	#############################################################################
934		1450
		1451	=back
		1452
935	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
936		1454
937	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
938		1456
939	=cut	1457	=cut
940		1458
941	package cf::player;	1459	package cf::player;
942		1460
…		…
944		1462
945	=head3 cf::player	1463	=head3 cf::player
946		1464
947	=over 4	1465	=over 4
948		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
949	=item cf::player::find $login	1481	=item cf::player::find $login
950		1482
951	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
952		1484
953	=cut	1485	=cut
954		1486
955	sub playerdir($) {	1487	sub playerdir($) {
956	cf::localdir	1488	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1490	}
962		1491
963	sub path($) {	1492	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1503
975	sub exists($) {	1504	sub exists($) {
976	my ($login) = @_;	1505	my ($login) = @_;
977		1506
978	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
980	}	1509	}
981		1510
982	sub find($) {	1511	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1513	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
995		1524
996	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
999	}	1534	}
1000	}	1535	}
1001	}	1536	}
1002		1537
…		…
1011	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1012		1547
1013	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1015		1550
		1551	cf::get_slot 0.01;
		1552
1016	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1017	Coro::cede;	1554	cf::cede_to_tick;
1018	}	1555	}
1019		1556
1020	sub new($) {	1557	sub new($) {
1021	my ($login) = @_;	1558	my ($login) = @_;
1022		1559
…		…
1028	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1029		1566
1030	$self	1567	$self
1031	}	1568	}
1032		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1033	=item $pl->quit_character	1580	=item $pl->quit_character
1034		1581
1035	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1037		1584
…		…
1041	my ($pl) = @_;	1588	my ($pl) = @_;
1042		1589
1043	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1044		1591
1045	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1594
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1052		1601
1053	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1085		1634
1086	=cut	1635	=cut
1087		1636
1088	sub list_logins {	1637	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1639	or return [];
1091		1640
1092	my @logins;	1641	my @logins;
1093		1642
1094	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1098		1653
1099	utf8::decode $login;	1654	utf8::decode $login;
1100	push @logins, $login;	1655	push @logins, $login;
1101	}	1656	}
1102		1657
…		…
1129	}	1684	}
1130		1685
1131	\@paths	1686	\@paths
1132	}	1687	}
1133		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1134	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1135		1694
1136	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1137		1696
1138	=cut	1697	=cut
1139		1698
1140	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1142		1701
1143	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1703	}
1147		1704
1148	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1149		1706
1150	Sends an ext event to the client.	1707	Sends an ext event to the client.
1151		1708
1152	=cut	1709	=cut
1153		1710
1154	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1156		1713
1157	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1158	}	1715	}
1159		1716
1160	=head3 cf::region	1717	=head3 cf::region
1161		1718
1162	=over 4	1719	=over 4
…		…
1165		1722
1166	package cf::region;	1723	package cf::region;
1167		1724
1168	=item cf::region::find_by_path $path	1725	=item cf::region::find_by_path $path
1169		1726
1170	Tries to decuce the probable region for a map knowing only its path.	1727	Tries to decuce the likely region for a map knowing only its path.
1171		1728
1172	=cut	1729	=cut
1173		1730
1174	sub find_by_path($) {	1731	sub find_by_path($) {
1175	my ($path) = @_;	1732	my ($path) = @_;
1176		1733
1177	my ($match, $specificity);	1734	my ($match, $specificity);
1178		1735
1179	for my $region (list) {	1736	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1183	}	1740	}
1184	}	1741	}
1185		1742
…		…
1206	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1208		1765
1209	sub generate_random_map {	1766	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1211	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1772	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1250		1810
1251	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1252	local $self->{path};	1812	local $self->{path};
1253	local $self->{load_path};	1813	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1814
1257	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1258	}	1816	}
1259		1817
1260	sub normalise {	1818	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1308	return $self;	1866	return $self;
1309	}	1867	}
1310	}	1868	}
1311		1869
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1871	()
1314	}	1872	}
1315		1873
1316	sub init {	1874	sub init {
1317	my ($self) = @_;	1875	my ($self) = @_;
…		…
1332		1890
1333	# the original (read-only) location	1891	# the original (read-only) location
1334	sub load_path {	1892	sub load_path {
1335	my ($self) = @_;	1893	my ($self) = @_;
1336		1894
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1338	}	1896	}
1339		1897
1340	# the temporary/swap location	1898	# the temporary/swap location
1341	sub save_path {	1899	sub save_path {
1342	my ($self) = @_;	1900	my ($self) = @_;
1343		1901
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1346	}	1904	}
1347		1905
1348	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1349	sub uniq_path {	1907	sub uniq_path {
1350	my ($self) = @_;	1908	my ($self) = @_;
1351		1909
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1354	}	1912	}
1355		1913
1356	# and all this just because we cannot iterate over	1914	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1915	my ($self) = @_;
1360		1916
1361	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1363	}	1920	}
1364		1921
1365	sub unlink_save {	1922	sub unlink_save {
1366	my ($self) = @_;	1923	my ($self) = @_;
1367		1924
…		…
1372		1929
1373	sub load_header_from($) {	1930	sub load_header_from($) {
1374	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1375		1932
1376	utf8::encode $path;	1933	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1382		1942
1383	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1384		1944
1385	1	1945	1
1386	}	1946	}
…		…
1425	$self->load_header_orig	1985	$self->load_header_orig
1426	or return;	1986	or return;
1427	$self->prepare_orig;	1987	$self->prepare_orig;
1428	}	1988	}
1429		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
1430	$self->default_region (cf::region::find_by_path $self->{path})	1993	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1994	unless $self->default_region;
1432		1995
1433	1	1996	1
1434	}	1997	}
…		…
1437	sub find {	2000	sub find {
1438	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1439		2002
1440	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1441		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2007
1444	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1447	or return;	2010	or return;
1448		2011
1449	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1450		2013
1451	$map->load_header	2014	$map->load_header
1452	or return;	2015	or return;
1453		2016
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1457	$map->reset;	2022	$map->reset;
1458	undef $guard;
1459	return find $path;	2023	return find $path;
1460	}	2024	}
1461		2025
1462	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1463	}	2027	}
1464	}	2028	}
1465		2029
1466	sub pre_load { }	2030	sub pre_load { }
1467	sub post_load { }	2031	#sub post_load { } # XS
1468		2032
1469	sub load {	2033	sub load {
1470	my ($self) = @_;	2034	my ($self) = @_;
1471		2035
1472	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1473		2037
1474	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1476		2042
		2043	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2045
1479	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1480		2047
1481	$self->alloc;	2048	$self->alloc;
1482		2049
1483	$self->pre_load;	2050	$self->pre_load;
1484	Coro::cede;	2051	cf::cede_to_tick;
1485		2052
1486	$self->_load_objects ($self->{load_path}, 1)	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1487	or return;	2056	or return;
1488		2057
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1490	if delete $self->{load_original};	2059	if delete $self->{load_original};
1491		2060
1492	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2062	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2065	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1497	}	2069	}
1498	}	2070	}
1499		2071
1500	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1501	# now do the right thing for maps	2075	# now do the right thing for maps
1502	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2078	unless $self->difficulty;
1513	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1514	$self->activate;	2086	$self->activate;
1515	Coro::cede;	2087	}
		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
		2092	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2093	}
1517		2094
1518	$self->post_load;	2095	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2096	}
1523		2097
1524	sub customise_for {	2098	sub customise_for {
1525	my ($self, $ob) = @_;	2099	my ($self, $ob) = @_;
1526		2100
1527	return find "~" . $ob->name . "/" . $self->{path}	2101	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2102	if $self->per_player;
1529		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
1530	$self	2107	$self
1531	}	2108	}
1532		2109
1533	# find and load all maps in the 3x3 area around a map	2110	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2111	sub load_neighbours {
1535	my ($map) = @_;	2112	my ($map) = @_;
1536		2113
1537	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1538		2115
1539	for (0 .. 3) {	2116	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1541	or next;	2118	or next;
1542	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1543	or next;	2120	or next;
1544	$neigh->load;	2121	$neigh->load;
1545		2122
		2123	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2126	}
1549		2127
1550	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1552	or next;	2131	or next;
1553	$neigh->load;	2132	$neigh->load;
1554	}	2133	}
1555	}	2134	}
1556		2135
…		…
1561	}	2140	}
1562		2141
1563	sub do_load_sync {	2142	sub do_load_sync {
1564	my ($map) = @_;	2143	my ($map) = @_;
1565		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1566	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1567	}	2149	}
1568		2150
1569	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2152	our $MAP_PREFETCHER = undef;
1571		2153
1572	sub find_async {	2154	sub find_async {
1573	my ($path, $origin) = @_;	2155	my ($path, $origin, $load) = @_;
1574		2156
1575	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
1576		2158
1577	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2161	}
1580		2162
1581	undef $MAP_PREFETCH{$path};	2163	$MAP_PREFETCH{$path} |= $load;
		2164
1582	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
1583	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2170	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2171	$map->load if $v;
		2172	}
1588		2173
1589	delete $MAP_PREFETCH{$path};	2174	delete $MAP_PREFETCH{$k};
1590	}	2175	}
1591	}	2176	}
1592	undef $MAP_PREFETCHER;	2177	undef $MAP_PREFETCHER;
1593	};	2178	};
1594	$MAP_PREFETCHER->prio (6);	2179	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2182	}
1598		2183
1599	sub save {	2184	sub save {
1600	my ($self) = @_;	2185	my ($self) = @_;
1601		2186
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2188
1604	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1605		2190
1606	return unless $self->dirty;	2191	return unless $self->dirty;
1607		2192
…		…
1613	return if $self->{deny_save};	2198	return if $self->{deny_save};
1614		2199
1615	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1616		2201
1617	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1619	};	2205	};
		2206
		2207	cf::get_slot 0.02;
1620		2208
1621	if ($uniq) {	2209	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2212	} else {
…		…
1630	my ($self) = @_;	2218	my ($self) = @_;
1631		2219
1632	# save first because save cedes	2220	# save first because save cedes
1633	$self->save;	2221	$self->save;
1634		2222
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2224
1637	return if $self->players;	2225	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2227	return if $self->{deny_save};
1640		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2233	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2234	}
1644		2235
1645	sub reset_at {	2236	sub reset_at {
1646	my ($self) = @_;	2237	my ($self) = @_;
1647		2238
1648	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1651		2241
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2244
…		…
1665	my ($self) = @_;	2255	my ($self) = @_;
1666		2256
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2258
1669	return if $self->players;	2259	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2260
1672	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
1673		2262
1674	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
1675		2264
1676	# need to save uniques path	2265	# need to save uniques path
1677	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2270	if $uniq;
1682	}	2271	}
1683		2272
1684	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1685		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2277	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2278
1690	$self->unlink_save;	2279	$self->unlink_save;
1691	$self->destroy;	2280	$self->destroy;
1692	}	2281	}
1693		2282
1694	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1695		2284
1696	sub nuke {	2285	sub nuke {
1697	my ($self) = @_;	2286	my ($self) = @_;
1698		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
1699	delete $cf::MAP{$self->path};	2291	delete $cf::MAP{$self->path};
1700		2292
1701	$self->unlink_save;	2293	$self->unlink_save;
1702		2294
1703	bless $self, "cf::map";	2295	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2296	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2300
1709	$cf::MAP{$self->path} = $self;	2301	$cf::MAP{$self->path} = $self;
		2302	}
1710		2303
1711	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
		2305	}
		2306
		2307	=item $maps = cf::map::tmp_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
		2323	}
		2324
		2325	=item $maps = cf::map::random_maps
		2326
		2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
		2329
		2330	=cut
		2331
		2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
1712	}	2341	}
1713		2342
1714	=item cf::map::unique_maps	2343	=item cf::map::unique_maps
1715		2344
1716	Returns an arrayref of paths of all shared maps that have	2345	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2346	instantiated unique items. May block.
1718		2347
1719	=cut	2348	=cut
1720		2349
1721	sub unique_maps() {	2350	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2351	[
1723	or return;	2352	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2353	utf8::decode $_;
1729	next if /\.pst$/;	2354	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2356	? ()
1732	push @paths, cf::map::normalise $_;	2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2359	]
1734
1735	\@paths
1736	}	2360	}
1737		2361
1738	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
1739		2393
1740	=back	2394	=back
1741		2395
1742	=head3 cf::object	2396	=head3 cf::object
1743		2397
…		…
1747		2401
1748	=over 4	2402	=over 4
1749		2403
1750	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1751		2405
1752	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1753		2408
1754	=cut	2409	=cut
1755		2410
1756	sub inv_recursive_;	2411	sub inv_recursive_;
1757	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1760		2415
1761	sub inv_recursive {	2416	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1763	}	2418	}
1764		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1765	package cf;	2448	package cf;
1766		2449
1767	=back	2450	=back
1768		2451
1769	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1778		2461
1779	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1780		2477
1781	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2479	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1786		2483
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2485
1789	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1791	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1794	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1795	}	2511	}
1796		2512
1797	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1798		2514
1799	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1812		2528
1813	=item $player_object->enter_link	2529	=item $player_object->enter_link
1814		2530
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2532
1817	The player should be reasonably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
1819		2537
1820	Will never block.	2538	Will never block.
1821		2539
1822	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1823		2541
…		…
1846	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1847		2565
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2567
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1852		2570
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2572	}
1855		2573
1856	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1858		2578
1859	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1860		2580
1861	unless ($map) {	2581	unless ($map) {
1862	# restore original map position	2582	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1875		2595
1876	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1879		2599
1880	$map->load;	2600	$map->load;
1881	$map->load_diag;	2601	$map->load_neighbours;
1882		2602
1883	return unless $self->contr->active;	2603	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2604
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
1888	}
1889		2607
1890	cf::player->attach (	2608	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2609	$self->activate_recursive;
1892	my ($pl) = @_;	2610	}
1893		2611
1894	# abort map switching before logout	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2613
1904	# try to abort aborted map switching on player login :)	2614	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2615	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2617	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2618	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2619
1922	=item $player_object->goto ($path, $x, $y)	2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
1923		2622
1924	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1925		2626
1926	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2632
1929	$self->enter_link;	2633	$self->enter_link;
1930		2634
1931	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1932	my $map = eval {	2657	my $map = eval {
1933	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1935	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2673	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1940	})->prio (1);	2681	})->prio (1);
1941	}	2682	}
1942		2683
1943	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1944		2685
…		…
1964	}	2705	}
1965		2706
1966	sub prepare_random_map {	2707	sub prepare_random_map {
1967	my ($exit) = @_;	2708	my ($exit) = @_;
1968		2709
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2712	# that depends on the exit object
1974		2713
1975	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2716	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1982	}	2723	}
1983		2724
1984	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1985		2726
1986	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1989		2730
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2733	undef $fh;
1993	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1994		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1997	}	2742	}
1998	}	2743	}
1999		2744
2000	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2002		2747
2003	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2004		2749
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2750	$self->enter_link;
2017		2751
2018	(async {	2752	(async {
2019	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2020	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2021	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2022		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2023	1;	2776	1
2024	}) {	2777	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2782
2030	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
…		…
2049		2802
2050	utf8::encode $text;	2803	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2805	}
2053		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
2054	=item $client->ext_event ($type, %msg)	2994	=item $client->ext_msg ($type, @msg)
2055		2995
2056	Sends an exti event to the client.	2996	Sends an ext event to the client.
2057		2997
2058	=cut	2998	=cut
2059		2999
2060	sub cf::client::ext_event($$%) {	3000	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3001	my ($self, $type, @msg) = @_;
2062		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3006	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
2065	}	3027	}
2066		3028
2067	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
2068		3030
2069	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3034
2073	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3036	become reliable at some point in the future.
2075		3037
2076	=cut	3038	=cut
2077		3039
2078	sub cf::client::query {	3040	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3049	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3051
2090	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
2092	}	3056	}
2093		3057
2094	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
2095	on_reply => sub {	3064	on_reply => sub {
2096	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
2097		3066
2098	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
2099	# get handled first	3068	# get handled first
…		…
2111	} else {	3080	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3082	}
2114	}	3083	}
2115	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
2116	);	3111	);
2117		3112
2118	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2119		3114
2120	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2163		3158
2164	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2165		3160
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
2167		3166
2168	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2169		3168
2170	=pod	3169	=pod
2171		3170
2172	The following functions and methods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2173		3172
2174	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
2175	cf::object::player player	3178	cf::object::player
2176	cf::player peaceful	3179	player
2177	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2178		3186
2179	=cut	3187	=cut
2180		3188
2181	for (	3189	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2186	) {	3196	) {
2187	no strict 'refs';	3197	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3217
2208	my $qcode = $code;	3218	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2211		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2212	local $_;	3225	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3226
2215	my $eval =	3227	my $eval =
2216	"do {\n"	3228	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3231	. $code
2220	. "\n}"	3232	. "\n}"
2221	;	3233	;
2222		3234
		3235	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2226		3244
2227	if ($@) {	3245	if ($@) {
2228	warn "$@";	3246	warn "$@";
2229	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2230	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2249	=cut	3267	=cut
2250		3268
2251	sub register_script_function {	3269	sub register_script_function {
2252	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2253		3271
2254	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2256	}	3274	}
2257		3275
2258	=back	3276	=back
2259		3277
2260	=cut	3278	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3279
2334	#############################################################################	3280	#############################################################################
2335	# the server's init and main functions	3281	# the server's init and main functions
2336		3282
2337	sub load_facedata($) {	3283	sub load_facedata($) {
2338	my ($path) = @_;	3284	my ($path) = @_;
		3285
		3286	# HACK to clear player env face cache, we need some signal framework
		3287	# for this (global event?)
		3288	%ext::player_env::MUSIC_FACE_CACHE = ();
		3289
		3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3291
2340	warn "loading facedata from $path\n";	3292	warn "loading facedata from $path\n";
2341		3293
2342	my $facedata;	3294	my $facedata;
2343	0 < aio_load $path, $facedata	3295	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3298	$facedata = Coro::Storable::thaw $facedata;
2347		3299
2348	$facedata->{version} == 2	3300	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3302
		3303	# patch in the exptable
		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3305	$facedata->{resource}{"res/exp_table"} = {
		3306	type => FT_RSRC,
		3307	data => $exp_table,
		3308	hash => (Digest::MD5::md5 $exp_table),
		3309	};
		3310	cf::cede_to_tick;
		3311
2351	{	3312	{
2352	my $faces = $facedata->{faceinfo};	3313	my $faces = $facedata->{faceinfo};
2353		3314
2354	while (my ($face, $info) = each %$faces) {	3315	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3317
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3318	cf::face::set_visibility $idx, $info->{visibility};
		3319	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3322
		3323	cf::cede_to_tick;
2360	}	3324	}
2361		3325
2362	while (my ($face, $info) = each %$faces) {	3326	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3327	next unless $info->{smooth};
		3328
2364	my $idx = cf::face::find $face	3329	my $idx = cf::face::find $face
2365	or next;	3330	or next;
		3331
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3335	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3337	}
2371	Coro::cede;	3338
		3339	cf::cede_to_tick;
2372	}	3340	}
2373	}	3341	}
2374		3342
2375	{	3343	{
2376	my $anims = $facedata->{animinfo};	3344	my $anims = $facedata->{animinfo};
2377		3345
2378	while (my ($anim, $info) = each %$anims) {	3346	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3348	cf::cede_to_tick;
2381	}	3349	}
2382		3350
2383	cf::anim::invalidate_all; # d'oh	3351	cf::anim::invalidate_all; # d'oh
2384	}	3352	}
2385		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
2386	1	3373	1
2387	}	3374	}
2388		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
		3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
2389	sub reload_facedata {	3428	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3429	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3430	or die "unable to load facedata\n";
2392	}	3431	}
2393		3432
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3433	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3434	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3435	or die "unable to load archetypes\n";
2402	}	3436	}
2403		3437
2404	sub reload_treasures {	3438	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3439	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3440	or die "unable to load treasurelists\n";
2407	}	3441	}
2408		3442
2409	sub reload_resources {	3443	sub reload_resources {
2410	warn "reloading resource files...\n";	3444	warn "reloading resource files...\n";
2411		3445
2412	reload_regions;
2413	reload_facedata;	3446	reload_facedata;
2414	reload_archetypes;	3447	reload_archetypes;
		3448	reload_regions;
2415	reload_treasures;	3449	reload_treasures;
2416		3450
2417	warn "finished reloading resource files\n";	3451	warn "finished reloading resource files\n";
2418	}	3452	}
2419		3453
2420	sub init {	3454	sub reload_config {
2421	reload_resources;	3455	warn "reloading config file...\n";
2422	}
2423		3456
2424	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3458	or return;
2427		3459
2428	local $/;	3460	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2430		3462
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2432		3464
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2438	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2439	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2440	};	3472	};
2441	warn $@ if $@;	3473	warn $@ if $@;
2442	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2443	}	3505	}
2444		3506
2445	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2446	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3525	(async {
2450	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
2452	};	3529	};
2453		3530
2454	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
		3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
2455	db_init;	3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2456	load_extensions;	3550	load_extensions;
2457		3551
2458	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2460	}	3562	}
2461		3563
2462	#############################################################################	3564	#############################################################################
2463	# initialisation and cleanup	3565	# initialisation and cleanup
2464		3566
2465	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2466	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2475	},
2476	);	3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	my $t0 = EV::time;
		3579
		3580	# first touch the runtime file to show we are still running:
		3581	# the fsync below can take a very very long time.
		3582
		3583	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3584
		3585	my $guard = cf::lock_acquire "write_runtime";
		3586
		3587	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3588	or return;
		3589
		3590	my $value = $cf::RUNTIME + 90 + 10;
		3591	# 10 is the runtime save interval, for a monotonic clock
		3592	# 60 allows for the watchdog to kill the server.
		3593
		3594	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3595	and return;
		3596
		3597	# always fsync - this file is important
		3598	aio_fsync $fh
		3599	and return;
		3600
		3601	# touch it again to show we are up-to-date
		3602	aio_utime $fh, undef, undef;
		3603
		3604	close $fh
		3605	or return;
		3606
		3607	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3608	and return;
		3609
		3610	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3611
2477	}	3612	1
		3613	}
		3614
		3615	our $uuid_lock;
		3616	our $uuid_skip;
		3617
		3618	sub write_uuid_sync($) {
		3619	$uuid_skip ||= $_[0];
		3620
		3621	return if $uuid_lock;
		3622	local $uuid_lock = 1;
		3623
		3624	my $uuid = "$LOCALDIR/uuid";
		3625
		3626	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3627	or return;
		3628
		3629	my $value = uuid_seq uuid_cur;
		3630
		3631	unless ($value) {
		3632	warn "cowardly refusing to write zero uuid value!\n";
		3633	return;
		3634	}
		3635
		3636	my $value = uuid_str $value + $uuid_skip;
		3637	$uuid_skip = 0;
		3638
		3639	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3640	and return;
		3641
		3642	# always fsync - this file is important
		3643	aio_fsync $fh
		3644	and return;
		3645
		3646	close $fh
		3647	or return;
		3648
		3649	aio_rename "$uuid~", $uuid
		3650	and return;
		3651
		3652	warn "uuid file written ($value).\n";
		3653
		3654	1
		3655
		3656	}
		3657
		3658	sub write_uuid($$) {
		3659	my ($skip, $sync) = @_;
		3660
		3661	$sync ? write_uuid_sync $skip
		3662	: async { write_uuid_sync $skip };
2478	}	3663	}
2479		3664
2480	sub emergency_save() {	3665	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3666	my $freeze_guard = cf::freeze_mainloop;
2482		3667
2483	warn "enter emergency perl save\n";	3668	warn "emergency_perl_save: enter\n";
2484		3669
2485	cf::sync_job {	3670	cf::sync_job {
		3671	# this is a trade-off: we want to be very quick here, so
		3672	# save all maps without fsync, and later call a global sync
		3673	# (which in turn might be very very slow)
		3674	local $USE_FSYNC = 0;
		3675
2486	# use a peculiar iteration method to avoid tripping on perl	3676	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3677	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3678	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3679	warn "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3680	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3681	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3684	$pl->save;
2494	}	3685	}
2495	warn "end emergency player save\n";	3686	warn "emergency_perl_save: end player save\n";
2496		3687
2497	warn "begin emergency map save\n";	3688	warn "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3689	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3690	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3691	$map->valid or next;
2501	$map->save;	3692	$map->save;
2502	}	3693	}
2503	warn "end emergency map save\n";	3694	warn "emergency_perl_save: end map save\n";
2504		3695
2505	warn "begin emergency database checkpoint\n";	3696	warn "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3698	warn "emergency_perl_save: end database checkpoint\n";
		3699
		3700	warn "emergency_perl_save: begin write uuid\n";
		3701	write_uuid_sync 1;
		3702	warn "emergency_perl_save: end write uuid\n";
2508	};	3703	};
2509		3704
		3705	warn "emergency_perl_save: starting sync()\n";
		3706	IO::AIO::aio_sync sub {
		3707	warn "emergency_perl_save: finished sync()\n";
		3708	};
		3709
2510	warn "leave emergency perl save\n";	3710	warn "emergency_perl_save: leave\n";
2511	}	3711	}
2512		3712
2513	sub post_cleanup {	3713	sub post_cleanup {
2514	my ($make_core) = @_;	3714	my ($make_core) = @_;
2515		3715
2516	warn Carp::longmess "post_cleanup backtrace"	3716	warn Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3717	if $make_core;
		3718
		3719	my $fh = pidfile;
		3720	unlink $PIDFILE if <$fh> == $$;
		3721	}
		3722
		3723	# a safer delete_package, copied from Symbol
		3724	sub clear_package($) {
		3725	my $pkg = shift;
		3726
		3727	# expand to full symbol table name if needed
		3728	unless ($pkg =~ /^main::.*::$/) {
		3729	$pkg = "main$pkg" if $pkg =~ /^::/;
		3730	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3731	$pkg .= '::' unless $pkg =~ /::$/;
		3732	}
		3733
		3734	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3735	my $stem_symtab = *{$stem}{HASH};
		3736
		3737	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3738	or return;
		3739
		3740	# clear all symbols
		3741	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3742	for my $name (keys %$leaf_symtab) {
		3743	_gv_clear *{"$pkg$name"};
		3744	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3745	}
		3746	warn "cleared package $pkg\n";#d#
2518	}	3747	}
2519		3748
2520	sub do_reload_perl() {	3749	sub do_reload_perl() {
2521	# can/must only be called in main	3750	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2523	warn "can only reload from main coroutine";	3752	warn "can only reload from main coroutine";
2524	return;	3753	return;
2525	}	3754	}
2526		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2527	warn "reloading...";	3761	warn "reloading...";
2528		3762
2529	warn "entering sync_job";	3763	warn "entering sync_job";
2530		3764
2531	cf::sync_job {	3765	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
2533	cf::emergency_save;	3767	cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2535		3769
2536	warn "syncing database to disk";	3770	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;	3771	BDB::db_env_txn_checkpoint $DB_ENV;
2538		3772
2539	# if anything goes wrong in here, we should simply crash as we already saved	3773	# if anything goes wrong in here, we should simply crash as we already saved
2540		3774
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";	3775	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2552	warn "iterate...";	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();
2560
2561	warn "removing commands";
2562	%COMMAND = ();
2563
2564	warn "removing ext commands";
2565	%EXTCMD = ();
2566
2567	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";
2570
2571	if (my $cb = $pkg->can ("unload")) {
2572	eval {
2573	$cb->($pkg);
2574	1
2575	} or warn "$pkg unloaded, but with errors: $@";
2576	}	3778	}
2577		3779
2578	warn "... nuking $pkg";	3780	warn "cancelling all extension coros";
2579	Symbol::delete_package $pkg;	3781	$_->cancel for values %EXT_CORO;
2580	}	3782	%EXT_CORO = ();
2581		3783
2582	warn "unloading all perl modules loaded from $LIBDIR";	3784	warn "removing commands";
2583	while (my ($k, $v) = each %INC) {	3785	%COMMAND = ();
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
2586	warn "... unloading $k";	3793	warn "... unloading $pkg";
2587	delete $INC{$k};
2588		3794
2589	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;
2591
2592	if (my $cb = $k->can ("unload_module")) {	3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
2593	$cb->();	3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2594	}	3804	}
2595		3805
2596	Symbol::delete_package $k;	3806	warn "unloading all perl modules loaded from $LIBDIR";
		3807	while (my ($k, $v) = each %INC) {
		3808	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3809
		3810	warn "... unloading $k";
		3811	delete $INC{$k};
		3812
		3813	$k =~ s/\.pm$//;
		3814	$k =~ s/\//::/g;
		3815
		3816	if (my $cb = $k->can ("unload_module")) {
		3817	$cb->();
		3818	}
		3819
		3820	clear_package $k;
2597	}	3821	}
2598		3822
2599	warn "getting rid of safe::, as good as possible";	3823	warn "getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3825	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3826
2603	warn "unloading cf.pm \"a bit\"";	3827	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
		3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		3830
2606	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3832	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2609		3834
2610	warn "unload completed, starting to reload now";	3835	warn "unload completed, starting to reload now";
2611		3836
2612	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2613	require cf;	3838	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2615		3840
2616	warn "loading config and database again";	3841	warn "loading config and database again";
2617	cf::cfg_load;	3842	cf::reload_config;
2618		3843
2619	warn "loading extensions";	3844	warn "loading extensions";
2620	cf::load_extensions;	3845	cf::load_extensions;
2621		3846
		3847	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	3848	warn "reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	3849	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	3850	warn "reattaching attachments to maps";
2625	reattach $_ for values %MAP;	3851	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	3852	warn "reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	3853	reattach $_ for values %PLAYER;
		3854	}
2628		3855
		3856	warn "running post_init jobs";
		3857	(pop @POST_INIT)->(1) while @POST_INIT;
		3858
2629	warn "leaving sync_job";	3859	warn "leaving sync_job";
2630		3860
2631	1	3861	1
2632	} or do {	3862	} or do {
2633	warn $@;	3863	warn $@;
2634	warn "error while reloading, exiting.";	3864	cf::cleanup "error while reloading, exiting.";
2635	exit 1;
2636	};	3865	};
2637		3866
2638	warn "reloaded";	3867	warn "reloaded";
		3868	--$RELOAD;
		3869	}
		3870
		3871	$t1 = EV::time - $t1;
		3872	warn "reload completed in ${t1}s\n";
2639	};	3873	};
2640		3874
2641	our $RELOAD_WATCHER; # used only during reload	3875	our $RELOAD_WATCHER; # used only during reload
2642		3876
2643	sub reload_perl() {	3877	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3878	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3879	# coro crashes during coro_state_free->destroy here.
2646		3880
2647	$RELOAD_WATCHER ||= Event->timer (	3881	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	3882	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	3883
2650	data => WF_AUTOCANCEL,	3884	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	3885	do_reload_perl;
2653	undef $RELOAD_WATCHER;	3886	undef $RELOAD_WATCHER;
2654	},	3887	};
2655	);	3888	};
2656	}	3889	}
2657		3890
2658	register_command "reload" => sub {	3891	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2660		3893
2661	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3895	$who->message ("reloading server.");
		3896	async {
		3897	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3898	reload_perl;
		3899	};
2664	}	3900	}
2665	};	3901	};
2666		3902
2667	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2668		3904
…		…
2670		3906
2671	our @WAIT_FOR_TICK;	3907	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	3908	our @WAIT_FOR_TICK_BEGIN;
2673		3909
2674	sub wait_for_tick {	3910	sub wait_for_tick {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		3912
2678	my $signal = new Coro::Signal;	3913	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	3914	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	3915	$signal->wait;
2681	}	3916	}
2682		3917
2683	sub wait_for_tick_begin {	3918	sub wait_for_tick_begin {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	3919	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		3920
2687	my $signal = new Coro::Signal;	3921	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3922	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3923	$signal->wait;
2690	}	3924	}
2691		3925
2692	$TICK_WATCHER = Event->timer (	3926	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	3927	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3929	unless ++$bug_warning > 10;
2702	return;	3930	return;
2703	}	3931	}
2704		3932
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
2708		3934
2709	$RUNTIME += $TICK;	3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		3936
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	3939	Coro::async_pool {
		3940	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3941	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	3942	or warn "ERROR: unable to write runtime file: $!";
2717	};
2718	}	3943	};
		3944	}
2719		3945
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3946	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	3947	$sig->send;
2731	}	3948	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	3949	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	3950	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	3951	}
2738	);	3952
		3953	$LOAD = ($NOW - $TICK_START) / $TICK;
		3954	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3955
		3956	if (0) {
		3957	if ($NEXT_TICK) {
		3958	my $jitter = $TICK_START - $NEXT_TICK;
		3959	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3960	warn "jitter $JITTER\n";#d#
		3961	}
		3962	}
		3963	}
2739		3964
2740	{	3965	{
2741	BDB::max_poll_time $TICK * 0.1;	3966	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	3967
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	3968	BDB::min_parallel 16;
2751		3969	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	3970	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		3971
2767	unless ($DB_ENV) {	3972	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	3973	$DB_ENV = BDB::db_env_create;
		3974	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3975	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3976	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3977	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3978	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		3979
2770	cf::sync_job {	3980	cf::sync_job {
2771	eval {	3981	eval {
2772	BDB::db_env_open	3982	BDB::db_env_open
2773	$DB_ENV,	3983	$DB_ENV,
2774	$BDB_ENV_DIR,	3984	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3987	0666;
2778		3988
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	3990	};
2784		3991
2785	cf::cleanup "db_env_open(db): $@" if $@;	3992	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	3993	};
2787	}	3994	}
		3995
		3996	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3997	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3998	};
		3999	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4000	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4001	};
		4002	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4003	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4004	};
2788	}	4005	}
2789		4006
2790	{	4007	{
		4008	# configure IO::AIO
		4009
2791	IO::AIO::min_parallel 8;	4010	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4011	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4012	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4013	}
		4014
		4015	my $_log_backtrace;
		4016
		4017	sub _log_backtrace {
		4018	my ($msg, @addr) = @_;
		4019
		4020	$msg =~ s/\n//;
		4021
		4022	# limit the # of concurrent backtraces
		4023	if ($_log_backtrace < 2) {
		4024	++$_log_backtrace;
		4025	my $perl_bt = Carp::longmess $msg;
		4026	async {
		4027	$Coro::current->{desc} = "abt $msg";
		4028
		4029	my @bt = fork_call {
		4030	@addr = map { sprintf "%x", $_ } @addr;
		4031	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4032	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4033	or die "addr2line: $!";
		4034
		4035	my @funcs;
		4036	my @res = <$fh>;
		4037	chomp for @res;
		4038	while (@res) {
		4039	my ($func, $line) = splice @res, 0, 2, ();
		4040	push @funcs, "[$func] $line";
		4041	}
		4042
		4043	@funcs
		4044	};
		4045
		4046	LOG llevInfo, "[ABT] $perl_bt\n";
		4047	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4048	LOG llevInfo, "[ABT] $_\n" for @bt;
		4049	--$_log_backtrace;
		4050	};
		4051	} else {
		4052	LOG llevInfo, "[ABT] $msg\n";
		4053	LOG llevInfo, "[ABT] [suppressed]\n";
		4054	}
		4055	}
		4056
		4057	# load additional modules
		4058	require "cf/$_.pm" for @EXTRA_MODULES;
		4059	cf::_connect_to_perl_2;
2804		4060
2805	END { cf::emergency_save }	4061	END { cf::emergency_save }
2806		4062
2807	1	4063	1
2808		4064

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