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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 2007 UTC vs.
Revision 1.509 by root, Mon Apr 5 03:22:25 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	115	our $NEXT_TICK;
52	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
53		124
54	our %CFG;	125	our %CFG;
55		126
56	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
58		130
59	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		134
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		147
70	binmode STDOUT;	148	binmode STDOUT;
71	binmode STDERR;	149	binmode STDERR;
72		150
73	# read virtual server time, if available	151	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
78	}	156	}
79		157
80	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	159
82	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		162
86	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		177
88	#############################################################################	178	#############################################################################
89		179
90	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
91		181
…		…
98	=item $cf::RUNTIME	188	=item $cf::RUNTIME
99		189
100	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
101	every server tick.	191	every server tick.
102		192
103	=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
104		196
105	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		201
108	=item $cf::NOW	202	=item $cf::NOW
109		203
110	The time of the last (current) server tick.	204	The time of the last (current) server tick.
111		205
112	=item $cf::TICK	206	=item $cf::TICK
113		207
114	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	220	=item %cf::CFG
117		221
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	223	from wherever your confdir points to.
120		224
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		226
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
127		242
128	=back	243	=back
129		244
130	=cut	245	=cut
131		246
132	BEGIN {	247	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	248	my $msg = join "", @_;
135	utf8::encode $msg;
136		249
137	$msg .= "\n"	250	$msg .= "\n"
138	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
139		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
140	LOG llevError, $msg;	255	LOG llevError, $msg;
141	};	256	};
142	}	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	};
143		271
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		279
151	# 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
152	# within the Safe compartment.	281	# within the Safe compartment.
153	for my $pkg (qw(	282	for my $pkg (qw(
154	cf::global cf::attachable	283	cf::global cf::attachable
155	cf::object cf::object::player	284	cf::object cf::object::player
156	cf::client cf::player	285	cf::client cf::player
157	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
158	cf::map cf::party cf::region	288	cf::party cf::region
159	)) {	289	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	291	}
163		292
164	$Event::DIED = sub {	293	$EV::DIED = sub {
165	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
166	};	295	};
		296
		297	#############################################################################
167		298
168	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
169		300
170	=over 4	301	=over 4
171		302
…		…
190	$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;
191	$d	322	$d
192	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
193	}	324	}
194		325
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
198		327
199	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
200		329
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
209		331
210	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
211		333
212	=cut	334	=cut
213		335
214	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
216	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
217	}	353	}
218		354
219	=item cf::lock_wait $string	355	=item cf::lock_wait $string
220		356
221	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
222		358
223	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
224		360
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
228	returned.	364	returned.
229		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
230	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
231	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
232		371
233	=cut	372	=item $locked = cf::lock_active $string
234		373
235	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
236		379
237	sub lock_wait($) {	380	sub lock_wait($) {
238	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	382	}
246		383
247	sub lock_acquire($) {	384	sub lock_acquire($) {
248	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
249		387
250	# wait, to be sure we are not locked	388	sub lock_active($) {
251	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	390	}
260		391
261	sub freeze_mainloop {	392	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
263		394
264	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	396	}
266	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
267	};	462	}
268	$WRITE_RUNTIME_WATCHER->stop;	463	};
269	$TICK_WATCHER->stop;	464
270	$guard	465	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
350		568
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		573
354	my $value = $cf::RUNTIME + 90 + 10;	574	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		575
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	576	sub fork_call(&@) {
359	and return;	577	my ($cb, @args) = @_;
360		578
361	aio_fsync $fh	579	# we seemingly have to make a local copy of the whole thing,
362	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
363		582
364	close $fh	583	my @res = Coro::Util::fork_eval {
365	or return;	584	reset_signals;
		585	&$cb
		586	}, @args;
366		587
367	aio_rename "$runtime~", $runtime	588	wantarray ? @res : $res[-1]
368	and return;	589	}
369		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
370	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	754	}
372		755
373	=back	756	=back
374		757
375	=cut	758	=cut
376		759
377	#############################################################################	760	#############################################################################
378		761
379	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
380		763
381	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
382	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")
383	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
384		767
385	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>
386	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
387	crossfire+).	770	Deliantra).
388		771
389	=over 4	772	=over 4
390		773
391	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
392		775
…		…
436	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
437		820
438	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
440		823
441	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		826
444	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
445		828
446	=over 4	829	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
556		939
557	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		944
562	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	946	my $pkg = shift @arg;
564		947
565	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
595	}	978	}
596		979
597	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
598	} else {	981	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	983	}
601		984
602	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
603	}	986	}
604		987
…		…
606	if (ref $_[0]) {	989	if (ref $_[0]) {
607	_object_attach @_;	990	_object_attach @_;
608	} else {	991	} else {
609	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
610	}	993	}
		994	_recalc_want;
611	};	995	};
612		996
613	# all those should be optimised	997	# all those should be optimised
614	sub cf::attachable::detach {	998	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1003	reattach ($obj);
620	} else {	1004	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
622	}	1006	}
		1007	_recalc_want;
623	};	1008	};
624		1009
625	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
627		1012
…		…
642	";	1027	";
643	die if $@;	1028	die if $@;
644	}	1029	}
645		1030
646	our $override;	1031	our $override;
647	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?
648		1033
649	sub override {	1034	sub override {
650	$override = 1;	1035	$override = 1;
651	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
652	}	1037	}
653		1038
654	sub do_invoke {	1039	sub do_invoke {
655	my $event = shift;	1040	my $event = shift;
656	my $callbacks = shift;	1041	my $callbacks = shift;
657		1042
658	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
659		1044
660	local $override;	1045	local $override;
661		1046
662	for (@$callbacks) {	1047	for (@$callbacks) {
663	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
672	}	1057	}
673		1058
674	0	1059	0
675	}	1060	}
676		1061
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1063
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1065
681	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
682		1067
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1071
687	=back	1072	=back
688		1073
689	=cut	1074	=cut
690		1075
691	#############################################################################	1076	#############################################################################
692	# 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, $ob2
		1119	}
693		1120
694	sub reattach {	1121	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1123	my ($obj) = @_;
697		1124
		1125	# no longer needed after getting rid of delete_package?
698	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
699		1127
700	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
701		1129
702	@$registry = ();	1130	@$registry = ();
703		1131
…		…
718	cf::attachable->attach (	1146	cf::attachable->attach (
719	prio => -1000000,	1147	prio => -1000000,
720	on_instantiate => sub {	1148	on_instantiate => sub {
721	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
722		1150
723	$data = from_json $data;	1151	$data = decode_json $data;
724		1152
725	for (@$data) {	1153	for (@$data) {
726	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
727		1155
728	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1172	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
746		1174
747	sync_job {	1175	sync_job {
748	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
751		1180
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
755	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
756	close $fh;	1188	aio_close $fh;
757		1189
758	if (@$objs) {	1190	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($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;
763	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
764	close $fh;	1199	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
766	}	1201	}
767	} else {	1202	} else {
768	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
769	}	1204	}
770		1205
771	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1210	} else {
773	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
774	}	1212	}
775	} else {	1213	} else {
776	aio_unlink $filename;	1214	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
778	}	1216	}
779	}	1217	};
780	}	1218	}
781		1219
782	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
784		1222
…		…
796	or return;	1234	or return;
797		1235
798	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
800	or return;	1238	or return;
		1239
801	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
802	}	1242	}
803		1243
		1244	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
806	return ($data, $av);	1248	($data, $av)
807	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
808		1256
809	#############################################################################	1257	#############################################################################
810	# command handling &c	1258	# command handling &c
811		1259
812	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1274	}
827		1275
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1277
830	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.
831		1283
832	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
833	called.	1285	called.
834		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
835	=cut	1298	=cut
836		1299
837	sub register_extcmd {	1300	sub register_extcmd {
838	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
839		1302
840	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
841	}	1304	}
842		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
843	cf::player->attach (	1314	cf::player->attach (
844	on_command => sub {	1315	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
846		1317
847	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
848	or return;	1319	or return;
849		1320
…		…
854	cf::override;	1325	cf::override;
855	},	1326	},
856	on_extcmd => sub {	1327	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
858		1329
859	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1331
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
867	} else {	1347	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1349	}
870		1350
871	cf::override;	1351	cf::override;
872	},	1352	},
873	);	1353	);
874		1354
		1355	# "readahead" all extensions
875	sub load_extension {	1356	sub cache_extensions {
876	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
877		1358
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1362	}
903	die $@;
904	}	1363	};
905		1364
906	push @EXTS, $pkg;	1365	$grp
907	}	1366	}
908		1367
909	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
910	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1373	next unless -r $path;
912	eval {	1374
913	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 $active;
		1434	}
914	1	1435	}
915	} or warn "$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	}
916	}	1446	};
917	}	1447	}
918		1448
919	#############################################################################	1449	#############################################################################
920		1450
		1451	=back
		1452
921	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
922		1454
923	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
924		1456
925	=cut	1457	=cut
926		1458
927	package cf::player;	1459	package cf::player;
928		1460
…		…
930		1462
931	=head3 cf::player	1463	=head3 cf::player
932		1464
933	=over 4	1465	=over 4
934		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
935	=item cf::player::find $login	1481	=item cf::player::find $login
936		1482
937	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
938		1484
939	=cut	1485	=cut
940		1486
941	sub playerdir($) {	1487	sub playerdir($) {
942	cf::localdir	1488	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1490	}
948		1491
949	sub path($) {	1492	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1494
952	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
953	}	1496	}
954		1497
955	sub find_active($) {	1498	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
960		1503
961	sub exists($) {	1504	sub exists($) {
962	my ($login) = @_;	1505	my ($login) = @_;
963		1506
964	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
966	}	1509	}
967		1510
968	sub find($) {	1511	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1513	my $login = $_[0];
971		1514
972	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
973		1516
974	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
976	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;
977	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
978	}	1534	}
979	}	1535	}
980	}	1536	}
981		1537
…		…
990	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
991		1547
992	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
994		1550
		1551	cf::get_slot 0.01;
		1552
995	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
996	Coro::cede;	1554	cf::cede_to_tick;
997	}	1555	}
998		1556
999	sub new($) {	1557	sub new($) {
1000	my ($login) = @_;	1558	my ($login) = @_;
1001		1559
…		…
1007	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1008		1566
1009	$self	1567	$self
1010	}	1568	}
1011		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
1012	=item $pl->quit_character	1580	=item $pl->quit_character
1013		1581
1014	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1016		1584
1017	=cut	1585	=cut
1018		1586
1019	sub quit_character {	1587	sub quit_character {
1020	my ($pl) = @_;	1588	my ($pl) = @_;
1021		1589
		1590	my $name = $pl->ob->name;
		1591
1022	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1023	$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
1024		1594
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1029		1601
1030	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1604	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1605	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
1035	IO::AIO::aio_rmtree $temp;	1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
1036	}	1628	}
1037		1629
1038	=item cf::player::list_logins	1630	=item cf::player::list_logins
1039		1631
1040	Returns am arrayref of all valid playernames in the system, can take a	1632	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1042		1634
1043	=cut	1635	=cut
1044		1636
1045	sub list_logins {	1637	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1639	or return [];
1048		1640
1049	my @logins;	1641	my @logins;
1050		1642
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1055		1653
1056	utf8::decode $login;	1654	utf8::decode $login;
1057	push @logins, $login;	1655	push @logins, $login;
1058	}	1656	}
1059		1657
…		…
1067		1665
1068	=cut	1666	=cut
1069		1667
1070	sub maps($) {	1668	sub maps($) {
1071	my ($pl) = @_;	1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1672
1073	my $files = aio_readdir playerdir $pl	1673	my $files = aio_readdir playerdir $pl
1074	or return;	1674	or return;
1075		1675
1076	my @paths;	1676	my @paths;
…		…
1078	for (@$files) {	1678	for (@$files) {
1079	utf8::decode $_;	1679	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1680	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1082		1682
1083	s/\.map$//;	1683	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1684	}
1086		1685
1087	\@paths	1686	\@paths
1088	}	1687	}
1089		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1091		1694
1092	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1093		1696
1094	=cut	1697	=cut
1095		1698
1096	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1098		1701
1099	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1703	}
1103		1704
1104	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1105		1745
1106	=back	1746	=back
1107
1108		1747
1109	=head3 cf::map	1748	=head3 cf::map
1110		1749
1111	=over 4	1750	=over 4
1112		1751
…		…
1124	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1126		1765
1127	sub generate_random_map {	1766	sub generate_random_map {
1128	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
1129	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1772	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1167	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1168		1810
1169	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1170	local $self->{path};	1812	local $self->{path};
1171	local $self->{load_path};	1813	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1814
1175	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1176	}	1816	}
1177		1817
1178	sub normalise {	1818	sub normalise {
1179	my ($path, $base) = @_;	1819	my ($path, $base) = @_;
1180		1820
1181	$path = "$path"; # make sure its a string	1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
1182		1824
1183	# map plan:	1825	# map plan:
1184	#	1826	#
1185	# /! non-realised random map exit (special hack!)	1827	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1828	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1224	return $self;	1866	return $self;
1225	}	1867	}
1226	}	1868	}
1227		1869
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1871	()
1230	}	1872	}
1231		1873
1232	sub init {	1874	sub init {
1233	my ($self) = @_;	1875	my ($self) = @_;
…		…
1248		1890
1249	# the original (read-only) location	1891	# the original (read-only) location
1250	sub load_path {	1892	sub load_path {
1251	my ($self) = @_;	1893	my ($self) = @_;
1252		1894
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1254	}	1896	}
1255		1897
1256	# the temporary/swap location	1898	# the temporary/swap location
1257	sub save_path {	1899	sub save_path {
1258	my ($self) = @_;	1900	my ($self) = @_;
1259		1901
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1262	}	1904	}
1263		1905
1264	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1265	sub uniq_path {	1907	sub uniq_path {
1266	my ($self) = @_;	1908	my ($self) = @_;
1267		1909
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1270	}	1912	}
1271		1913
1272	# and all this just because we cannot iterate over	1914	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	1915	my ($self) = @_;
1276		1916
1277	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1279	}	1920	}
1280		1921
1281	sub unlink_save {	1922	sub unlink_save {
1282	my ($self) = @_;	1923	my ($self) = @_;
1283		1924
…		…
1288		1929
1289	sub load_header_from($) {	1930	sub load_header_from($) {
1290	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1291		1932
1292	utf8::encode $path;	1933	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1294	or return;	1935	or return;
1295		1936
1296	$self->_load_header ($path)	1937	$self->_load_header ($f)
1297	or return;	1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1298		1942
1299	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1300		1944
1301	1	1945	1
1302	}	1946	}
…		…
1341	$self->load_header_orig	1985	$self->load_header_orig
1342	or return;	1986	or return;
1343	$self->prepare_orig;	1987	$self->prepare_orig;
1344	}	1988	}
1345		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
		1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
1346	1	1996	1
1347	}	1997	}
1348		1998
1349	sub find;	1999	sub find;
1350	sub find {	2000	sub find {
1351	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1352		2002
1353	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1354		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2007
1357	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1360	or return;	2010	or return;
1361		2011
1362	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1363		2013
1364	$map->load_header	2014	$map->load_header
1365	or return;	2015	or return;
1366		2016
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1370	$map->reset;	2022	$map->reset;
1371	undef $guard;
1372	return find $path;	2023	return find $path;
1373	}	2024	}
1374		2025
1375	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1376	}	2027	}
1377	}	2028	}
1378		2029
1379	sub pre_load { }	2030	sub pre_load { }
1380	sub post_load { }	2031	#sub post_load { } # XS
1381		2032
1382	sub load {	2033	sub load {
1383	my ($self) = @_;	2034	my ($self) = @_;
1384		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1385	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1387		2042
		2043	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2045
1390	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1391		2047
1392	$self->alloc;	2048	$self->alloc;
1393		2049
1394	$self->pre_load;	2050	$self->pre_load;
		2051	cf::cede_to_tick;
1395		2052
1396	$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)
1397	or return;	2056	or return;
1398		2057
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1400	if delete $self->{load_original};	2059	if delete $self->{load_original};
1401		2060
1402	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2062	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2065	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1407	}	2069	}
1408	}	2070	}
1409		2071
1410	Coro::cede;	2072	$f->resolve_delayed_derefs;
1411		2073
		2074	cf::cede_to_tick;
1412	# now do the right thing for maps	2075	# now do the right thing for maps
1413	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2078	unless $self->difficulty;
1423	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;
1424	$self->activate;	2086	$self->activate;
		2087	}
		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
		2092	$self->in_memory (cf::MAP_ACTIVE);
1425	}	2093	}
1426		2094
1427	$self->post_load;	2095	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2096	}
1431		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1432	sub customise_for {	2101	sub customise_for {
1433	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1434		2103
1435	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2105	if $self->per_player;
1437		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
1438	$self	2110	$self
1439	}	2111	}
1440		2112
1441	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2114	sub load_neighbours {
1443	my ($map) = @_;	2115	my ($map) = @_;
1444		2116
1445	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1446		2118
1447	for (0 .. 3) {	2119	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1449	or next;	2121	or next;
1450	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1451	or next;	2123	or next;
1452	$neigh->load;	2124	$neigh->load;
1453		2125
		2126	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2129	}
1457		2130
1458	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1460	or next;	2134	or next;
1461	$neigh->load;	2135	$neigh->load;
1462	}	2136	}
1463	}	2137	}
1464		2138
…		…
1469	}	2143	}
1470		2144
1471	sub do_load_sync {	2145	sub do_load_sync {
1472	my ($map) = @_;	2146	my ($map) = @_;
1473		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1474	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1475	}	2152	}
1476		2153
1477	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1479		2156
1480	sub find_async {	2157	sub find_async {
1481	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1482		2159
1483	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1484		2161
1485	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2164	}
1488		2165
1489	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1490	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1491	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2173	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2174	$map->load if $v;
		2175	}
1496		2176
1497	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1498	}	2178	}
1499	}	2179	}
1500	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1501	};	2181	};
1502	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2185	}
1506		2186
1507	sub save {	2187	sub save {
1508	my ($self) = @_;	2188	my ($self) = @_;
1509		2189
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2191
1512	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1513		2193
1514	return unless $self->dirty;	2194	return unless $self->dirty;
1515		2195
…		…
1521	return if $self->{deny_save};	2201	return if $self->{deny_save};
1522		2202
1523	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1524		2204
1525	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1527	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1528		2211
1529	if ($uniq) {	2212	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2215	} else {
…		…
1538	my ($self) = @_;	2221	my ($self) = @_;
1539		2222
1540	# save first because save cedes	2223	# save first because save cedes
1541	$self->save;	2224	$self->save;
1542		2225
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2227
1545	return if $self->players;	2228	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2230	return if $self->{deny_save};
1548		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2236	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2237	}
1552		2238
1553	sub reset_at {	2239	sub reset_at {
1554	my ($self) = @_;	2240	my ($self) = @_;
1555		2241
1556	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1559		2244
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2247
…		…
1573	my ($self) = @_;	2258	my ($self) = @_;
1574		2259
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2261
1577	return if $self->players;	2262	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2263
1580	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	# need to save uniques path
		2269	unless ($self->{deny_save}) {
		2270	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2271
		2272	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2273	if $uniq;
		2274	}
1581		2275
1582	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1583		2277
1584	$self->in_memory (cf::MAP_SWAPPED);	2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2280	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2281
1589	$self->unlink_save;	2282	$self->unlink_save;
1590	$self->destroy;	2283	$self->destroy;
1591	}	2284	}
1592		2285
1593	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1594		2287
1595	sub nuke {	2288	sub nuke {
1596	my ($self) = @_;	2289	my ($self) = @_;
1597		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
1598	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1599		2295
1600	$self->unlink_save;	2296	$self->unlink_save;
1601		2297
1602	bless $self, "cf::map";	2298	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2303
1608	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
1609		2306
1610	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
		2308	}
		2309
		2310	=item $maps = cf::map::tmp_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	maps. May block.
		2314
		2315	=cut
		2316
		2317	sub tmp_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise $_
		2323	: ()
		2324	} @{ aio_readdir $TMPDIR or [] }
		2325	]
		2326	}
		2327
		2328	=item $maps = cf::map::random_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	random maps. May block.
		2332
		2333	=cut
		2334
		2335	sub random_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise "?random/$_"
		2341	: ()
		2342	} @{ aio_readdir $RANDOMDIR or [] }
		2343	]
1611	}	2344	}
1612		2345
1613	=item cf::map::unique_maps	2346	=item cf::map::unique_maps
1614		2347
1615	Returns an arrayref of paths of all shared maps that have	2348	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2349	instantiated unique items. May block.
1617		2350
1618	=cut	2351	=cut
1619		2352
1620	sub unique_maps() {	2353	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2354	[
1622	or return;	2355	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2356	utf8::decode $_;
1628	next if /\.pst$/;	2357	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
		2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
		2362	]
		2363	}
1630		2364
		2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
1631	s/\.map$//;	2386	s/\.map$// or next;
1632	push @paths, $_;	2387	utf8::decode $_;
1633	}	2388	push @maps, "$dir/$_";
		2389	}
1634		2390
1635	\@paths	2391	push @dirs, map "$dir/$_", @$dirs;
1636	}	2392	}
1637		2393
1638	package cf;	2394	\@maps
		2395	}
1639		2396
1640	=back	2397	=back
1641		2398
1642	=head3 cf::object	2399	=head3 cf::object
1643		2400
…		…
1647		2404
1648	=over 4	2405	=over 4
1649		2406
1650	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1651		2408
1652	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1653		2411
1654	=cut	2412	=cut
1655		2413
1656	sub inv_recursive_;	2414	sub inv_recursive_;
1657	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1660		2418
1661	sub inv_recursive {	2419	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1663	}	2421	}
1664		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1665	package cf;	2451	package cf;
1666		2452
1667	=back	2453	=back
1668		2454
1669	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1678		2464
1679	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1680		2480
1681	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2482	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1686		2486
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2488
1689	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1691	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1694	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1695	}	2514	}
1696		2515
1697	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1698		2517
1699	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1712		2531
1713	=item $player_object->enter_link	2532	=item $player_object->enter_link
1714		2533
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2535
1717	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
1719		2540
1720	Will never block.	2541	Will never block.
1721		2542
1722	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1723		2544
…		…
1731	=cut	2552	=cut
1732		2553
1733	sub link_map {	2554	sub link_map {
1734	unless ($LINK_MAP) {	2555	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2556	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2558	$LINK_MAP->load;
1738	}	2559	}
1739		2560
1740	$LINK_MAP	2561	$LINK_MAP
1741	}	2562	}
…		…
1746	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1747		2568
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2570
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1752		2573
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2575	}
1755		2576
1756	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1758		2581
1759	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1760		2583
1761	unless ($map) {	2584	unless ($map) {
1762	# restore original map position	2585	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1775		2598
1776	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1779		2602
1780	$map->load;	2603	$map->load;
1781	$map->load_diag;	2604	$map->load_neighbours;
1782		2605
1783	return unless $self->contr->active;	2606	return unless $self->contr->active;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
1784	$self->activate_recursive;	2612	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}	2613	}
1787		2614
1788	cf::player->attach (	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2616
1792	# abort map switching before logout	2617	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2618	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2620	the new (success) or old (failed) map position. In either case, $done will
1796	};	2621	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2622
1802	# try to abort aborted map switching on player login :)	2623	Note that $check will be called with a potentially non-loaded map, so if
1803	# should happen only on crashes	2624	it needs a loaded map it has to call C<< ->load >>.
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2625
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1823		2629
1824	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
		2632
		2633	# do generation counting so two concurrent goto's will be executed in-order
		2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2635
1827	$self->enter_link;	2636	$self->enter_link;
1828		2637
1829	(async {	2638	(async {
1830	my $map = cf::map::find $path;	2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
		2660	my $map = eval {
		2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
1832		2665	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2666	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
1837		2669
		2670	$map
		2671	};
		2672
		2673	if ($@) {
		2674	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2675	LOG llevError | logBacktrace, Carp::longmess $@;
		2676	}
		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1839	})->prio (1);	2684	})->prio (1);
1840	}	2685	}
1841		2686
1842	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1843		2688
…		…
1863	}	2708	}
1864		2709
1865	sub prepare_random_map {	2710	sub prepare_random_map {
1866	my ($exit) = @_;	2711	my ($exit) = @_;
1867		2712
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2715	# that depends on the exit object
1873		2716
1874	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
1875		2718
1876	if ($exit->map) {	2719	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2720	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1881	}	2726	}
1882		2727
1883	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1884		2729
1885	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
1888		2733
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2736	undef $fh;
1892	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
1893		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1896	}	2745	}
1897	}	2746	}
1898		2747
1899	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
1901		2750
1902	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1903		2752
1904	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job
1906	cf::sync_job { prepare_random_map $exit };
1907	}
1908
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;
1912
1913	$self->enter_link;	2753	$self->enter_link;
1914		2754
1915	(async {	2755	(async {
1916	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1917	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
1918	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
1919		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
1920	1;	2779	1
1921	}) {	2780	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1923	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
1924	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2785
1927	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
1928	$self->leave_link;	2787	$self->leave_link;
1929	}	2788	}
1930	})->prio (1);	2789	})->prio (1);
…		…
1943		2802
1944	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
1946		2805
1947	utf8::encode $text;	2806	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2808	}
1950		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
		2997	=item $client->ext_msg ($type, @msg)
		2998
		2999	Sends an ext event to the client.
		3000
		3001	=cut
		3002
		3003	sub cf::client::ext_msg($$@) {
		3004	my ($self, $type, @msg) = @_;
		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
		3009	push @msg, msgtype => "event_$type";
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
		3030	}
1951		3031
1952	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
1953		3033
1954	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
1955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1957		3037
1958	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
1959	reliable at some point in the future.	3039	become reliable at some point in the future.
1960		3040
1961	=cut	3041	=cut
1962		3042
1963	sub cf::client::query {	3043	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	3052	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		3054
1975	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
1977	}	3059	}
1978		3060
1979	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
1980	on_reply => sub {	3067	on_reply => sub {
1981	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
1982		3069
1983	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
1984	# get handled first	3071	# get handled first
1985	my $queue = delete $ns->{query_queue}	3072	my $queue = delete $ns->{query_queue}
1986	or return; # be conservative, not sure how that can happen, but we saw a crash here	3073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1987		3074
1988	(shift @$queue)->[1]->($msg);	3075	(shift @$queue)->[1]->($msg);
		3076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		3077
1990	push @{ $ns->{query_queue} }, @$queue;	3078	push @{ $ns->{query_queue} }, @$queue;
1991		3079
1992	if (@{ $ns->{query_queue} } == @$queue) {	3080	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	3081	if (@$queue) {
…		…
1995	} else {	3083	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	3085	}
1998	}	3086	}
1999	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
2000	);	3114	);
2001		3115
2002	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
2003		3117
2004	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020		3134
2021	$coro	3135	$coro
2022	}	3136	}
2023		3137
2024	cf::client->attach (	3138	cf::client->attach (
2025	on_destroy => sub {	3139	on_client_destroy => sub {
2026	my ($ns) = @_;	3140	my ($ns) = @_;
2027		3141
2028	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2029	},	3143	},
2030	);	3144	);
…		…
2045	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2046	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2047		3161
2048	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2049		3163
2050	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2051		3169
2052	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2053		3171
2054	=pod	3172	=pod
2055		3173
2056	The following fucntions and emthods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2057		3175
2058	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
2059	cf::object::player player	3181	cf::object::player
2060	cf::player peaceful	3182	player
2061	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2062		3189
2063	=cut	3190	=cut
2064		3191
2065	for (	3192	for (
2066	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2067	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2069	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2070	) {	3199	) {
2071	no strict 'refs';	3200	no strict 'refs';
2072	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2073	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2091		3220
2092	my $qcode = $code;	3221	my $qcode = $code;
2093	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2094	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2095		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2096	local $_;	3228	local $_;
2097	local @safe::cf::_safe_eval_args = values %vars;
2098		3229
2099	my $eval =	3230	my $eval =
2100	"do {\n"	3231	"do {\n"
2101	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2102	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2103	. $code	3234	. $code
2104	. "\n}"	3235	. "\n}"
2105	;	3236	;
2106		3237
		3238	if ($CFG{safe_eval}) {
2107	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2108	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2109	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2110		3247
2111	if ($@) {	3248	if ($@) {
2112	warn "$@";	3249	warn "$@";
2113	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2114	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2133	=cut	3270	=cut
2134		3271
2135	sub register_script_function {	3272	sub register_script_function {
2136	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2137		3274
2138	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2139	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2140	}	3277	}
2141		3278
2142	=back	3279	=back
2143		3280
2144	=cut	3281	=cut
2145		3282
2146	#############################################################################	3283	#############################################################################
		3284	# the server's init and main functions
2147		3285
2148	=head2 EXTENSION DATABASE SUPPORT	3286	sub load_facedata($) {
		3287	my ($path) = @_;
2149		3288
2150	Crossfire maintains a very simple database for extension use. It can	3289	# HACK to clear player env face cache, we need some signal framework
2151	currently store anything that can be serialised using Storable, which	3290	# for this (global event?)
2152	excludes objects.	3291	%ext::player_env::MUSIC_FACE_CACHE = ();
2153		3292
2154	The parameter C<$family> should best start with the name of the extension	3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2155	using it, it should be unique.
2156		3294
2157	=over 4	3295	warn "loading facedata from $path\n";
2158		3296
2159	=item $hashref = cf::db_get $family	3297	my $facedata;
		3298	0 < aio_load $path, $facedata
		3299	or die "$path: $!";
2160		3300
2161	Return a hashref for use by the extension C<$family>, which can be	3301	$facedata = Coro::Storable::thaw $facedata;
2162	modified. After modifications, you have to call C<cf::db_dirty> or
2163	C<cf::db_sync>.
2164		3302
2165	=item $value = cf::db_get $family => $key	3303	$facedata->{version} == 2
		3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2166		3305
2167	Returns a single value from the database	3306	# patch in the exptable
2168		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2169	=item cf::db_put $family => $hashref	3308	$facedata->{resource}{"res/exp_table"} = {
2170		3309	type => FT_RSRC,
2171	Stores the given family hashref into the database. Updates are delayed, if	3310	data => $exp_table,
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3311	hash => (Digest::MD5::md5 $exp_table),
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	3312	};
		3313	cf::cede_to_tick;
2197		3314
2198	my $pid;
2199
2200	sub db_save() {
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}	3315	{
		3316	my $faces = $facedata->{faceinfo};
2209		3317
2210	my $dirty;	3318	while (my ($face, $info) = each %$faces) {
		3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2211		3320
2212	sub db_sync() {	3321	cf::face::set_visibility $idx, $info->{visibility};
2213	db_save if $dirty;	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2214	undef $dirty;	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2215	}	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2216		3325
2217	my $idle = Event->idle (	3326	cf::cede_to_tick;
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3327	}
2251	);
2252	}
2253		3328
2254	#############################################################################	3329	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3330	next unless $info->{smooth};
2256		3331
2257	sub cfg_load {	3332	my $idx = cf::face::find $face
		3333	or next;
		3334
		3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
		3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3338	} else {
		3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3340	}
		3341
		3342	cf::cede_to_tick;
		3343	}
		3344	}
		3345
		3346	{
		3347	my $anims = $facedata->{animinfo};
		3348
		3349	while (my ($anim, $info) = each %$anims) {
		3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3351	cf::cede_to_tick;
		3352	}
		3353
		3354	cf::anim::invalidate_all; # d'oh
		3355	}
		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
		3376	1
		3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
		3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
		3422	load_resource_file "$MAPDIR/regions"
		3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
		3429	}
		3430
		3431	sub reload_facedata {
		3432	load_facedata "$DATADIR/facedata"
		3433	or die "unable to load facedata\n";
		3434	}
		3435
		3436	sub reload_archetypes {
		3437	load_resource_file "$DATADIR/archetypes"
		3438	or die "unable to load archetypes\n";
		3439	}
		3440
		3441	sub reload_treasures {
		3442	load_resource_file "$DATADIR/treasures"
		3443	or die "unable to load treasurelists\n";
		3444	}
		3445
		3446	sub reload_resources {
		3447	warn "reloading resource files...\n";
		3448
		3449	reload_facedata;
		3450	reload_archetypes;
		3451	reload_regions;
		3452	reload_treasures;
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3461	or return;
2260		3462
2261	local $/;	3463	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2263		3465
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3467
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	3475	};
2274	warn $@ if $@;	3476	warn $@ if $@;
2275	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2276	}	3508	}
2277		3509
2278	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2279	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	(async {	3528	(async {
2283	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2284	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2285	};	3532	};
2286		3533
2287	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
2288	db_load;	3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
		3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2289	load_extensions;	3553	load_extensions;
2290		3554
2291	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
2292	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2293	}	3565	}
2294		3566
2295	#############################################################################	3567	#############################################################################
2296	# initialisation and cleanup	3568	# initialisation and cleanup
2297		3569
2298	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
2299	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
2300	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
2301	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2302	reentrant => 0,
2303	data => WF_AUTOCANCEL,
2304	signal => $signal,
2305	prio => 0,
2306	cb => sub {
2307	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
2308	},
2309	);	3576	};
		3577	}
		3578	}
		3579
		3580	sub write_runtime_sync {
		3581	my $t0 = EV::time;
		3582
		3583	# first touch the runtime file to show we are still running:
		3584	# the fsync below can take a very very long time.
		3585
		3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3587
		3588	my $guard = cf::lock_acquire "write_runtime";
		3589
		3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3591	or return;
		3592
		3593	my $value = $cf::RUNTIME + 90 + 10;
		3594	# 10 is the runtime save interval, for a monotonic clock
		3595	# 60 allows for the watchdog to kill the server.
		3596
		3597	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3598	and return;
		3599
		3600	# always fsync - this file is important
		3601	aio_fsync $fh
		3602	and return;
		3603
		3604	# touch it again to show we are up-to-date
		3605	aio_utime $fh, undef, undef;
		3606
		3607	close $fh
		3608	or return;
		3609
		3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3611	and return;
		3612
		3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3614
2310	}	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
2311	}	3666	}
2312		3667
2313	sub emergency_save() {	3668	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
2315		3670
2316	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
2317		3672
2318	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
2319	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
2320	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
2321	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
2322	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
2323	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
2324	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
2325	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2326	$pl->save;	3687	$pl->save;
2327	}	3688	}
2328	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
2329		3690
2330	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
2331	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
2332	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	3694	$map->valid or next;
2334	$map->save;	3695	$map->save;
2335	}	3696	}
2336	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
		3698
		3699	warn "emergency_perl_save: begin database checkpoint\n";
		3700	BDB::db_env_txn_checkpoint $DB_ENV;
		3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
2337	};	3706	};
2338		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
2339	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
2340	}	3714	}
2341		3715
		3716	sub post_cleanup {
		3717	my ($make_core) = @_;
		3718
		3719	warn Carp::longmess "post_cleanup backtrace"
		3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
		3750	}
		3751
2342	sub reload() {	3752	sub do_reload_perl() {
2343	# can/must only be called in main	3753	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2345	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
2346	return;	3756	return;
2347	}	3757	}
2348		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2349	warn "reloading...";	3764	warn "reloading...";
2350		3765
2351	warn "cancelling server ticker";	3766	warn "entering sync_job";
2352	$TICK_WATCHER->cancel;
2353		3767
		3768	cf::sync_job {
		3769	cf::write_runtime_sync; # external watchdog should not bark
2354	cf::emergency_save;	3770	cf::emergency_save;
		3771	cf::write_runtime_sync; # external watchdog should not bark
2355		3772
2356	eval {	3773	warn "syncing database to disk";
		3774	BDB::db_env_txn_checkpoint $DB_ENV;
		3775
2357	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2358		3777
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361
2362	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}
2366
2367	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
2368	for (;;) {	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2369	IO::AIO::flush;	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2370	Coro::cede;
2371	last unless IO::AIO::nreqs;
2372	warn "iterate...";
2373	}
2374
2375	warn "cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();
2378
2379	warn "removing commands";
2380	%COMMAND = ();
2381
2382	warn "removing ext commands";
2383	%EXTCMD = ();
2384
2385	warn "unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";
2388
2389	if (my $cb = $pkg->can ("unload")) {
2390	eval {
2391	$cb->($pkg);
2392	1
2393	} or warn "$pkg unloaded, but with errors: $@";
2394	}	3781	}
2395		3782
2396	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
2397	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
2398	}	3785	%EXT_CORO = ();
2399		3786
2400	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
2401	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
2402	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2403		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
2404	warn "... unloading $k";	3796	warn "... unloading $pkg";
2405	delete $INC{$k};
2406		3797
2407	$k =~ s/\.pm$//;
2408	$k =~ s/\//::/g;
2409
2410	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
2411	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
2412	}	3807	}
2413		3808
2414	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
2415	}	3824	}
2416		3825
2417	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
2418	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2420		3829
2421	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
		3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2423		3833
2424	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
2425	# and global variables created in xs	3835	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
2427		3837
2428	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
2429		3839
2430	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
2431	require cf;	3841	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
2433		3843
2434	warn "loading config and database again";	3844	warn "loading config and database again";
2435	cf::cfg_load;	3845	cf::reload_config;
2436	cf::db_load;
2437		3846
2438	warn "loading extensions";	3847	warn "loading extensions";
2439	cf::load_extensions;	3848	cf::load_extensions;
2440		3849
		3850	if ($REATTACH_ON_RELOAD) {
2441	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
2442	_global_reattach;	3852	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
2444	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
		3855	warn "reattaching attachments to players";
		3856	reattach $_ for values %PLAYER;
		3857	}
2445		3858
2446	warn "restarting server ticker";	3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
2447		3861
2448	$TICK_WATCHER->start;	3862	warn "leaving sync_job";
		3863
		3864	1
		3865	} or do {
		3866	warn $@;
		3867	cf::cleanup "error while reloading, exiting.";
		3868	};
		3869
		3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
		3876	};
		3877
		3878	our $RELOAD_WATCHER; # used only during reload
		3879
		3880	sub reload_perl() {
		3881	# doing reload synchronously and two reloads happen back-to-back,
		3882	# coro crashes during coro_state_free->destroy here.
		3883
		3884	$RELOAD_WATCHER ||= cf::async {
		3885	Coro::AIO::aio_wait cache_extensions;
		3886
		3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3888	do_reload_perl;
		3889	undef $RELOAD_WATCHER;
		3890	};
2449	};	3891	};
2450		3892	}
2451	if ($@) {
2452	warn $@;
2453	warn "error while reloading, exiting.";
2454	exit 1;
2455	}
2456
2457	warn "reloaded";
2458	};
2459
2460	our $RELOAD_WATCHER; # used only during reload
2461		3893
2462	register_command "reload" => sub {	3894	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
2464		3896
2465	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
2467		3899	async {
2468	# doing reload synchronously and two reloads happen back-to-back,	3900	$Coro::current->{desc} = "perl_reload";
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;	3901	reload_perl;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);	3902	};
2480	}	3903	}
2481	};	3904	};
2482		3905
2483	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
2484		3907
2485	my $bug_warning = 0;	3908	my $bug_warning = 0;
2486		3909
2487	$TICK_WATCHER = Event->timer (	3910	our @WAIT_FOR_TICK;
2488	reentrant => 0,	3911	our @WAIT_FOR_TICK_BEGIN;
2489	parked => 1,	3912
2490	prio => 0,	3913	sub wait_for_tick {
2491	at => $NEXT_TICK || $TICK,	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2492	data => WF_AUTOCANCEL,	3915
2493	cb => sub {	3916	my $signal = new Coro::Signal;
		3917	push @WAIT_FOR_TICK, $signal;
		3918	$signal->wait;
		3919	}
		3920
		3921	sub wait_for_tick_begin {
		3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3923
		3924	my $signal = new Coro::Signal;
		3925	push @WAIT_FOR_TICK_BEGIN, $signal;
		3926	$signal->wait;
		3927	}
		3928
		3929	sub tick {
2494	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
2497	return;	3933	return;
2498	}	3934	}
2499		3935
2500	$NOW = Event::time;
2501
2502	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
2503	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;
2505		3937
2506	$WAIT_FOR_TICK->broadcast;	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2508		3939
2509	Event::sweep;	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	Coro::cede_notself;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3942	Coro::async_pool {
2512	# my $AFTER = Event::time;	3943	$Coro::current->{desc} = "runtime saver";
2513	# warn $AFTER - $NOW;#d#
2514
2515	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2517
2518	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;
2520	},
2521	);
2522
2523	IO::AIO::max_poll_time $TICK * 0.1;
2524
2525	undef $Coro::AIO::WATCHER;
2526	$AIO_POLL_WATCHER = Event->io (
2527	reentrant => 0,
2528	fd => IO::AIO::poll_fileno,
2529	poll => 'r',
2530	prio => 6,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,
2533	);
2534
2535	$WRITE_RUNTIME_WATCHER = Event->timer (
2536	reentrant => 0,
2537	data => WF_AUTOCANCEL,
2538	after => 1,
2539	interval => 10,
2540	prio => 6, # keep it lowest so it acts like a watchdog
2541	cb => Coro::unblock_sub {
2542	write_runtime	3944	write_runtime_sync
2543	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
		3946	};
2544	},	3947	}
2545	);	3948
		3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3950	$sig->send;
		3951	}
		3952	while (my $sig = shift @WAIT_FOR_TICK) {
		3953	$sig->send;
		3954	}
		3955
		3956	$LOAD = ($NOW - $TICK_START) / $TICK;
		3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3958
		3959	if (0) {
		3960	if ($NEXT_TICK) {
		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
		3965	}
		3966	}
		3967
		3968	{
		3969	# configure BDB
		3970
		3971	BDB::min_parallel 16;
		3972	BDB::max_poll_reqs $TICK * 0.1;
		3973	$AnyEvent::BDB::WATCHER->priority (1);
		3974
		3975	unless ($DB_ENV) {
		3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3982
		3983	cf::sync_job {
		3984	eval {
		3985	BDB::db_env_open
		3986	$DB_ENV,
		3987	$BDBDIR,
		3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3990	0666;
		3991
		3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3993	};
		3994
		3995	cf::cleanup "db_env_open(db): $@" if $@;
		3996	};
		3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
		4008	}
		4009
		4010	{
		4011	# configure IO::AIO
		4012
		4013	IO::AIO::min_parallel 8;
		4014	IO::AIO::max_poll_time $TICK * 0.1;
		4015	undef $AnyEvent::AIO::WATCHER;
		4016	}
		4017
		4018	my $_log_backtrace;
		4019
		4020	sub _log_backtrace {
		4021	my ($msg, @addr) = @_;
		4022
		4023	$msg =~ s/\n//;
		4024
		4025	# limit the # of concurrent backtraces
		4026	if ($_log_backtrace < 2) {
		4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
		4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
		4032	my @bt = fork_call {
		4033	@addr = map { sprintf "%x", $_ } @addr;
		4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4036	or die "addr2line: $!";
		4037
		4038	my @funcs;
		4039	my @res = <$fh>;
		4040	chomp for @res;
		4041	while (@res) {
		4042	my ($func, $line) = splice @res, 0, 2, ();
		4043	push @funcs, "[$func] $line";
		4044	}
		4045
		4046	@funcs
		4047	};
		4048
		4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4051	LOG llevInfo, "[ABT] $_\n" for @bt;
		4052	--$_log_backtrace;
		4053	};
		4054	} else {
		4055	LOG llevInfo, "[ABT] $msg\n";
		4056	LOG llevInfo, "[ABT] [suppressed]\n";
		4057	}
		4058	}
		4059
		4060	# load additional modules
		4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
2546		4063
2547	END { cf::emergency_save }	4064	END { cf::emergency_save }
2548		4065
2549	1	4066	1
2550		4067

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