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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.241 by root, Mon Apr 16 11:09:32 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
21	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
22		54
		55	use JSON::XS 2.01 ();
23	use BDB ();	56	use BDB ();
24	use Data::Dumper;	57	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	115	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
69		124
70	our %CFG;	125	our %CFG;
71		126
72	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
74		130
75	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		134
81	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
84	binmode STDOUT;	148	binmode STDOUT;
85	binmode STDERR;	149	binmode STDERR;
86		150
87	# read virtual server time, if available	151	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
92	}	156	}
93		157
94	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	159
96	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		162
101	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
102		164
103	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		177
105	#############################################################################	178	#############################################################################
106		179
107	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
108		181
…		…
115	=item $cf::RUNTIME	188	=item $cf::RUNTIME
116		189
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	191	every server tick.
119		192
120	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		196
122	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
124		201
125	=item $cf::NOW	202	=item $cf::NOW
126		203
127	The time of the last (current) server tick.	204	The time of the last (current) server tick.
128		205
129	=item $cf::TICK	206	=item $cf::TICK
130		207
131	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
132		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
133	=item %cf::CFG	220	=item %cf::CFG
134		221
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	223	from wherever your confdir points to.
137		224
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		226
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
144	=back	243	=back
145		244
146	=cut	245	=cut
147		246
148	BEGIN {	247	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	248	my $msg = join "", @_;
151	utf8::encode $msg;
152		249
153	$msg .= "\n"	250	$msg .= "\n"
154	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
155		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
156	LOG llevError, $msg;	255	LOG llevError, $msg;
157	};	256	};
158	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
159		271
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		279
167	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	281	# within the Safe compartment.
169	for my $pkg (qw(	282	for my $pkg (qw(
170	cf::global cf::attachable	283	cf::global cf::attachable
171	cf::object cf::object::player	284	cf::object cf::object::player
172	cf::client cf::player	285	cf::client cf::player
173	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
174	cf::map cf::party cf::region	288	cf::party cf::region
175	)) {	289	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	291	}
179		292
180	$Event::DIED = sub {	293	$EV::DIED = sub {
181	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
182	};	295	};
		296
		297	#############################################################################
183		298
184	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
185		300
186	=over 4	301	=over 4
187		302
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	322	$d
208	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
209	}	324	}
210		325
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
214		327
215	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
216		329
217	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
218		331
219	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
220		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
221	=item cf::lock_wait $string	355	=item cf::lock_wait $string
222		356
223	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
224		358
225	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
226		360
227	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
230	returned.	364	returned.
231		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
232	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
234		371
235	=cut	372	=item $locked = cf::lock_active $string
236		373
237	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
238		379
239	sub lock_wait($) {	380	sub lock_wait($) {
240	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	382	}
248		383
249	sub lock_acquire($) {	384	sub lock_acquire($) {
250	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
251		387
252	# wait, to be sure we are not locked	388	sub lock_active($) {
253	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	390	}
262		391
263	sub freeze_mainloop {	392	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
265		394
266	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
268	};	462	}
269	$TICK_WATCHER->stop;	463	};
270	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
271	}	478	}
272		479
273	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
274		481
275	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		487
281	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
282		489
283	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
284		491
285	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
288		496
289	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
292	fast or be very important.	500	fast or be very important.
…		…
295		503
296	sub sync_job(&) {	504	sub sync_job(&) {
297	my ($job) = @_;	505	my ($job) = @_;
298		506
299	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
300	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
302		512
303	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	514
305	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
306		516
307	my $busy = 1;	517	my $busy = 1;
308	my @res;	518	my @res;
309		519
310	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	522	@res = eval { $job->() };
312	warn $@ if $@;	523	warn $@ if $@;
313	undef $busy;	524	undef $busy;
314	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
315		526
316	while ($busy) {	527	while ($busy) {
317	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
318	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
319		538
320	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
321	} else {	540	} else {
322	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
323		542
…		…
343	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
344		563
345	$coro	564	$coro
346	}	565	}
347		566
348	sub write_runtime {	567	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		568
351	my $runtime = cf::localdir . "/runtime";	569	Executes the given code block with the given arguments in a seperate
		570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
352		573
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
354	or return;
355		575
356	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		578
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
361	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
362		582
363	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	584	reset_signals;
365	and return;	585	&$cb
		586	}, @args;
366		587
367	close $fh	588	wantarray ? @res : $res[-1]
368	or return;	589	}
369		590
370	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
371	and return;
372		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
373	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
374	}	743	}
375		744
376	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
377		746
378	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		759
391	#############################################################################	760	#############################################################################
392		761
393	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
394		763
395	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
398		767
399	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	770	Deliantra).
402		771
403	=over 4	772	=over 4
404		773
405	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
406		775
…		…
450	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
451		820
452	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
454		823
455	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
457		826
458	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
459		828
460	=over 4	829	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
570		939
571	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		944
576	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	946	my $pkg = shift @arg;
578		947
579	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
609	}	978	}
610		979
611	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
612	} else {	981	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	983	}
615		984
616	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
617	}	986	}
618		987
…		…
620	if (ref $_[0]) {	989	if (ref $_[0]) {
621	_object_attach @_;	990	_object_attach @_;
622	} else {	991	} else {
623	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
624	}	993	}
		994	_recalc_want;
625	};	995	};
626		996
627	# all those should be optimised	997	# all those should be optimised
628	sub cf::attachable::detach {	998	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1003	reattach ($obj);
634	} else {	1004	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
636	}	1006	}
		1007	_recalc_want;
637	};	1008	};
638		1009
639	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
641		1012
…		…
656	";	1027	";
657	die if $@;	1028	die if $@;
658	}	1029	}
659		1030
660	our $override;	1031	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1033
663	sub override {	1034	sub override {
664	$override = 1;	1035	$override = 1;
665	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
666	}	1037	}
667		1038
668	sub do_invoke {	1039	sub do_invoke {
669	my $event = shift;	1040	my $event = shift;
670	my $callbacks = shift;	1041	my $callbacks = shift;
671		1042
672	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
673		1044
674	local $override;	1045	local $override;
675		1046
676	for (@$callbacks) {	1047	for (@$callbacks) {
677	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
686	}	1057	}
687		1058
688	0	1059	0
689	}	1060	}
690		1061
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1063
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1065
695	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
696		1067
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1071
701	=back	1072	=back
702		1073
703	=cut	1074	=cut
704		1075
705	#############################################################################	1076	#############################################################################
706	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
707		1120
708	sub reattach {	1121	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1123	my ($obj) = @_;
711		1124
		1125	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1127
714	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
715		1129
716	@$registry = ();	1130	@$registry = ();
717		1131
…		…
732	cf::attachable->attach (	1146	cf::attachable->attach (
733	prio => -1000000,	1147	prio => -1000000,
734	on_instantiate => sub {	1148	on_instantiate => sub {
735	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
736		1150
737	$data = from_json $data;	1151	$data = decode_json $data;
738		1152
739	for (@$data) {	1153	for (@$data) {
740	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
741		1155
742	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1172	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
760		1174
761	sync_job {	1175	sync_job {
762	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
765		1180
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
770	close $fh;	1188	aio_close $fh;
771		1189
772	if (@$objs) {	1190	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1197	aio_fsync $fh;
		1198	}
778	close $fh;	1199	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
780	}	1201	}
781	} else {	1202	} else {
782	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
783	}	1204	}
784		1205
785	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1210	} else {
787	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
788	}	1212	}
789	} else {	1213	} else {
790	aio_unlink $filename;	1214	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
792	}	1216	}
793	}	1217	};
794	}	1218	}
795		1219
796	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
798		1222
…		…
810	or return;	1234	or return;
811		1235
812	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
814	or return;	1238	or return;
		1239
815	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
816	}	1242	}
817		1243
		1244	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
820	return ($data, $av);	1248	($data, $av)
821	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
822		1256
823	#############################################################################	1257	#############################################################################
824	# command handling &c	1258	# command handling &c
825		1259
826	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1274	}
841		1275
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1277
844	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
845		1283
846	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
847	called.	1285	called.
848		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
849	=cut	1298	=cut
850		1299
851	sub register_extcmd {	1300	sub register_extcmd {
852	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
853		1302
854	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
855	}	1304	}
856		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
857	cf::player->attach (	1314	cf::player->attach (
858	on_command => sub {	1315	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
860		1317
861	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
862	or return;	1319	or return;
863		1320
…		…
868	cf::override;	1325	cf::override;
869	},	1326	},
870	on_extcmd => sub {	1327	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
872		1329
873	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1331
875	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
881	} else {	1347	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1349	}
884		1350
885	cf::override;	1351	cf::override;
886	},	1352	},
887	);	1353	);
888		1354
		1355	# "readahead" all extensions
889	sub load_extension {	1356	sub cache_extensions {
890	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
891		1358
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1362	}
917	die $@;
918	}	1363	};
919		1364
920	push @EXTS, $pkg;	1365	$grp
921	}	1366	}
922		1367
923	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
924	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1373	next unless -r $path;
926	eval {	1374
927	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
928	1	1435	}
929	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
930	}	1446	};
931	}	1447	}
932		1448
933	#############################################################################	1449	#############################################################################
934		1450
		1451	=back
		1452
935	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
936		1454
937	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
938		1456
939	=cut	1457	=cut
940		1458
941	package cf::player;	1459	package cf::player;
942		1460
…		…
944		1462
945	=head3 cf::player	1463	=head3 cf::player
946		1464
947	=over 4	1465	=over 4
948		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
949	=item cf::player::find $login	1481	=item cf::player::find $login
950		1482
951	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
952		1484
953	=cut	1485	=cut
954		1486
955	sub playerdir($) {	1487	sub playerdir($) {
956	cf::localdir	1488	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1490	}
962		1491
963	sub path($) {	1492	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1503
975	sub exists($) {	1504	sub exists($) {
976	my ($login) = @_;	1505	my ($login) = @_;
977		1506
978	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
980	}	1509	}
981		1510
982	sub find($) {	1511	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1513	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
995		1524
996	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
997	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
999	}	1534	}
1000	}	1535	}
1001	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
1002		1550
1003	sub save($) {	1551	sub save($) {
1004	my ($pl) = @_;	1552	my ($pl) = @_;
1005		1553
1006	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1012		1560
1013	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1015		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1568
1016	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1017	Coro::cede;	1570	cf::cede_to_tick;
1018	}	1571	}
1019		1572
1020	sub new($) {	1573	sub new($) {
1021	my ($login) = @_;	1574	my ($login) = @_;
1022		1575
…		…
1028	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1029		1582
1030	$self	1583	$self
1031	}	1584	}
1032		1585
		1586	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1587
		1588	=cut
		1589
		1590	sub send_msg {
		1591	my $ns = shift->ns
		1592	or return;
		1593	$ns->send_msg (@_);
		1594	}
		1595
1033	=item $pl->quit_character	1596	=item $pl->quit_character
1034		1597
1035	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1037		1600
…		…
1041	my ($pl) = @_;	1604	my ($pl) = @_;
1042		1605
1043	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1044		1607
1045	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1610
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1052		1617
1053	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1649	while and may block, so not sync_job-capable, ever.
1085		1650
1086	=cut	1651	=cut
1087		1652
1088	sub list_logins {	1653	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1654	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1655	or return [];
1091		1656
1092	my @logins;	1657	my @logins;
1093		1658
1094	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
		1660	my $path = path $login;
		1661
		1662	# a .pst is a dead give-away for a valid player
		1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1098		1669
1099	utf8::decode $login;	1670	utf8::decode $login;
1100	push @logins, $login;	1671	push @logins, $login;
1101	}	1672	}
1102		1673
…		…
1129	}	1700	}
1130		1701
1131	\@paths	1702	\@paths
1132	}	1703	}
1133		1704
		1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1706
		1707	Expand deliantra pod fragments into protocol xml.
		1708
1134	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1135		1710
1136	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1137		1712
1138	=cut	1713	=cut
1139		1714
1140	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1142		1717
1143	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1719	}
1147		1720
1148	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1149		1722
1150	Sends an ext event to the client.	1723	Sends an ext event to the client.
1151		1724
1152	=cut	1725	=cut
1153		1726
1154	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1156		1729
1157	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1158	}	1731	}
1159		1732
1160	=head3 cf::region	1733	=head3 cf::region
1161		1734
1162	=over 4	1735	=over 4
…		…
1165		1738
1166	package cf::region;	1739	package cf::region;
1167		1740
1168	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1169		1742
1170	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1171		1744
1172	=cut	1745	=cut
1173		1746
1174	sub find_by_path($) {	1747	sub find_by_path($) {
1175	my ($path) = @_;	1748	my ($path) = @_;
1176		1749
1177	my ($match, $specificity);	1750	my ($match, $specificity);
1178		1751
1179	for my $region (list) {	1752	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1183	}	1756	}
1184	}	1757	}
1185		1758
…		…
1206	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1208		1781
1209	sub generate_random_map {	1782	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1211	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1788	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1249	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1250		1826
1251	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1252	local $self->{path};	1828	local $self->{path};
1253	local $self->{load_path};	1829	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1830
1257	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1258	}	1832	}
1259		1833
1260	sub normalise {	1834	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1308	return $self;	1882	return $self;
1309	}	1883	}
1310	}	1884	}
1311		1885
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1887	()
1314	}	1888	}
1315		1889
1316	sub init {	1890	sub init {
1317	my ($self) = @_;	1891	my ($self) = @_;
…		…
1332		1906
1333	# the original (read-only) location	1907	# the original (read-only) location
1334	sub load_path {	1908	sub load_path {
1335	my ($self) = @_;	1909	my ($self) = @_;
1336		1910
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1338	}	1912	}
1339		1913
1340	# the temporary/swap location	1914	# the temporary/swap location
1341	sub save_path {	1915	sub save_path {
1342	my ($self) = @_;	1916	my ($self) = @_;
1343		1917
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1346	}	1920	}
1347		1921
1348	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1349	sub uniq_path {	1923	sub uniq_path {
1350	my ($self) = @_;	1924	my ($self) = @_;
1351		1925
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1354	}	1928	}
1355		1929
1356	# and all this just because we cannot iterate over	1930	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1931	my ($self) = @_;
1360		1932
1361	$_->change_map_light ($change)	1933	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1934
		1935	$self->do_decay_objects;
1363	}	1936	}
1364		1937
1365	sub unlink_save {	1938	sub unlink_save {
1366	my ($self) = @_;	1939	my ($self) = @_;
1367		1940
…		…
1372		1945
1373	sub load_header_from($) {	1946	sub load_header_from($) {
1374	my ($self, $path) = @_;	1947	my ($self, $path) = @_;
1375		1948
1376	utf8::encode $path;	1949	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1951	or return;
		1952
		1953	$self->_load_header ($f)
		1954	or return;
		1955
		1956	local $MAP_LOADING{$self->{path}} = $self;
		1957	$f->resolve_delayed_derefs;
1382		1958
1383	$self->{load_path} = $path;	1959	$self->{load_path} = $path;
1384		1960
1385	1	1961	1
1386	}	1962	}
…		…
1425	$self->load_header_orig	2001	$self->load_header_orig
1426	or return;	2002	or return;
1427	$self->prepare_orig;	2003	$self->prepare_orig;
1428	}	2004	}
1429		2005
		2006	$self->{deny_reset} = 1
		2007	if $self->no_reset;
		2008
1430	$self->default_region (cf::region::find_by_path $self->{path})	2009	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2010	unless $self->default_region;
1432		2011
1433	1	2012	1
1434	}	2013	}
…		…
1437	sub find {	2016	sub find {
1438	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1439		2018
1440	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1441		2020
		2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2023
1444	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1447	or return;	2026	or return;
1448		2027
1449	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1450		2029
1451	$map->load_header	2030	$map->load_header
1452	or return;	2031	or return;
1453		2032
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1457	$map->reset;	2038	$map->reset;
1458	undef $guard;
1459	return find $path;	2039	return find $path;
1460	}	2040	}
1461		2041
1462	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1463	}	2043	}
1464	}	2044	}
1465		2045
1466	sub pre_load { }	2046	sub pre_load { }
1467	sub post_load { }	2047	#sub post_load { } # XS
1468		2048
1469	sub load {	2049	sub load {
1470	my ($self) = @_;	2050	my ($self) = @_;
1471		2051
1472	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
1473		2053
1474	my $path = $self->{path};	2054	my $path = $self->{path};
		2055
		2056	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1476		2058
		2059	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2061
1479	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1480		2063
1481	$self->alloc;	2064	$self->alloc;
1482		2065
1483	$self->pre_load;	2066	$self->pre_load;
1484	Coro::cede;	2067	cf::cede_to_tick;
1485		2068
1486	$self->_load_objects ($self->{load_path}, 1)	2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
		2071	$self->_load_objects ($f)
1487	or return;	2072	or return;
1488		2073
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1490	if delete $self->{load_original};	2075	if delete $self->{load_original};
1491		2076
1492	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2078	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2081	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1497	}	2085	}
1498	}	2086	}
1499		2087
1500	Coro::cede;	2088	$f->resolve_delayed_derefs;
		2089
		2090	cf::cede_to_tick;
1501	# now do the right thing for maps	2091	# now do the right thing for maps
1502	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2094	unless $self->difficulty;
1513	Coro::cede;	2095	cf::cede_to_tick;
		2096
		2097	unless ($self->{deny_activate}) {
		2098	$self->decay_objects;
		2099	$self->fix_auto_apply;
		2100	$self->update_buttons;
		2101	cf::cede_to_tick;
1514	$self->activate;	2102	$self->activate;
1515	Coro::cede;	2103	}
		2104
		2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
		2107
		2108	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2109	}
1517		2110
1518	$self->post_load;	2111	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2112	}
1523		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2117	sub customise_for {
1525	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1526		2119
1527	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2121	if $self->per_player;
1529		2122
		2123	# return find "?party/" . $ob->name . "/" . $self->{path}
		2124	# if $self->per_party;
		2125
1530	$self	2126	$self
1531	}	2127	}
1532		2128
1533	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2130	sub load_neighbours {
1535	my ($map) = @_;	2131	my ($map) = @_;
1536		2132
1537	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1538		2134
1539	for (0 .. 3) {	2135	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1541	or next;	2137	or next;
1542	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1543	or next;	2139	or next;
1544	$neigh->load;	2140	$neigh->load;
1545		2141
		2142	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2145	}
1549		2146
1550	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1552	or next;	2150	or next;
1553	$neigh->load;	2151	$neigh->load;
1554	}	2152	}
1555	}	2153	}
1556		2154
…		…
1561	}	2159	}
1562		2160
1563	sub do_load_sync {	2161	sub do_load_sync {
1564	my ($map) = @_;	2162	my ($map) = @_;
1565		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1566	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1567	}	2168	}
1568		2169
1569	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2171	our $MAP_PREFETCHER = undef;
1571		2172
1572	sub find_async {	2173	sub find_async {
1573	my ($path, $origin) = @_;	2174	my ($path, $origin, $load) = @_;
1574		2175
1575	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
1576		2177
1577	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2180	}
1580		2181
1581	undef $MAP_PREFETCH{$path};	2182	$MAP_PREFETCH{$path} |= $load;
		2183
1582	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
1583	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2189	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2190	$map->load if $v;
		2191	}
1588		2192
1589	delete $MAP_PREFETCH{$path};	2193	delete $MAP_PREFETCH{$k};
1590	}	2194	}
1591	}	2195	}
1592	undef $MAP_PREFETCHER;	2196	undef $MAP_PREFETCHER;
1593	};	2197	};
1594	$MAP_PREFETCHER->prio (6);	2198	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2201	}
1598		2202
1599	sub save {	2203	sub save {
1600	my ($self) = @_;	2204	my ($self) = @_;
1601		2205
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2207
1604	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1605		2209
1606	return unless $self->dirty;	2210	return unless $self->dirty;
1607		2211
…		…
1613	return if $self->{deny_save};	2217	return if $self->{deny_save};
1614		2218
1615	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
1616		2220
1617	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
1619	};	2224	};
		2225
		2226	cf::get_slot 0.02;
1620		2227
1621	if ($uniq) {	2228	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2231	} else {
…		…
1630	my ($self) = @_;	2237	my ($self) = @_;
1631		2238
1632	# save first because save cedes	2239	# save first because save cedes
1633	$self->save;	2240	$self->save;
1634		2241
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2243
1637	return if $self->players;	2244	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2246	return if $self->{deny_save};
1640		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2252	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2253	}
1644		2254
1645	sub reset_at {	2255	sub reset_at {
1646	my ($self) = @_;	2256	my ($self) = @_;
1647		2257
1648	# TODO: safety, remove and allow resettable per-player maps	2258	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2259	return 1e99 if $self->{deny_reset};
1651		2260
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2261	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2262	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2263
…		…
1665	my ($self) = @_;	2274	my ($self) = @_;
1666		2275
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2277
1669	return if $self->players;	2278	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2279
1672	warn "resetting map ", $self->path;#d#	2280	warn "resetting map ", $self->path, "\n";
1673		2281
1674	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
1675		2283
1676	# need to save uniques path	2284	# need to save uniques path
1677	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2289	if $uniq;
1682	}	2290	}
1683		2291
1684	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
1685		2293
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2296	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2297
1690	$self->unlink_save;	2298	$self->unlink_save;
1691	$self->destroy;	2299	$self->destroy;
1692	}	2300	}
1693		2301
1694	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
1695		2303
1696	sub nuke {	2304	sub nuke {
1697	my ($self) = @_;	2305	my ($self) = @_;
1698		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
1699	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1700		2311
1701	$self->unlink_save;	2312	$self->unlink_save;
1702		2313
1703	bless $self, "cf::map";	2314	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2315	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2319
1709	$cf::MAP{$self->path} = $self;	2320	$cf::MAP{$self->path} = $self;
		2321	}
1710		2322
1711	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
		2324	}
		2325
		2326	=item $maps = cf::map::tmp_maps
		2327
		2328	Returns an arrayref with all map paths of currently instantiated and saved
		2329	maps. May block.
		2330
		2331	=cut
		2332
		2333	sub tmp_maps() {
		2334	[
		2335	map {
		2336	utf8::decode $_;
		2337	/\.map$/
		2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $TMPDIR or [] }
		2341	]
		2342	}
		2343
		2344	=item $maps = cf::map::random_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	random maps. May block.
		2348
		2349	=cut
		2350
		2351	sub random_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise "?random/$_"
		2357	: ()
		2358	} @{ aio_readdir $RANDOMDIR or [] }
		2359	]
1712	}	2360	}
1713		2361
1714	=item cf::map::unique_maps	2362	=item cf::map::unique_maps
1715		2363
1716	Returns an arrayref of paths of all shared maps that have	2364	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2365	instantiated unique items. May block.
1718		2366
1719	=cut	2367	=cut
1720		2368
1721	sub unique_maps() {	2369	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2370	[
1723	or return;	2371	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2372	utf8::decode $_;
1729	next if /\.pst$/;	2373	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2375	? ()
1732	push @paths, cf::map::normalise $_;	2376	: normalise $_
		2377	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2378	]
1734
1735	\@paths
1736	}	2379	}
1737		2380
1738	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
1739		2412
1740	=back	2413	=back
1741		2414
1742	=head3 cf::object	2415	=head3 cf::object
1743		2416
…		…
1747		2420
1748	=over 4	2421	=over 4
1749		2422
1750	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
1751		2424
1752	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
1753		2427
1754	=cut	2428	=cut
1755		2429
1756	sub inv_recursive_;	2430	sub inv_recursive_;
1757	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
1760		2434
1761	sub inv_recursive {	2435	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
1763	}	2437	}
1764		2438
		2439	=item $ref = $ob->ref
		2440
		2441	Creates and returns a persistent reference to an object that can be stored as a string.
		2442
		2443	=item $ob = cf::object::deref ($refstring)
		2444
		2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2446	even if the object actually exists. May block.
		2447
		2448	=cut
		2449
		2450	sub deref {
		2451	my ($ref) = @_;
		2452
		2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2454	my ($uuid, $name) = ($1, $2);
		2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2456	or return;
		2457	$pl->ob->uuid eq $uuid
		2458	or return;
		2459
		2460	$pl->ob
		2461	} else {
		2462	warn "$ref: cannot resolve object reference\n";
		2463	undef
		2464	}
		2465	}
		2466
1765	package cf;	2467	package cf;
1766		2468
1767	=back	2469	=back
1768		2470
1769	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2477	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
1778		2480
1779	=cut	2481	=cut
		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
1780		2496
1781	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2498	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
1786		2502
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2503	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2504
1789	if ($self->{record_replies}) {	2505	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2506	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2507
1791	} else {	2508	} else {
		2509	my $pl = $self->contr;
		2510
		2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2512	my $dialog = $pl->{npc_dialog};
		2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2514
		2515	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2518	}
1794	}	2519	}
		2520	}
		2521
		2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2523
		2524	=cut
		2525
		2526	sub cf::object::send_msg {
		2527	my $pl = shift->contr
		2528	or return;
		2529	$pl->send_msg (@_);
1795	}	2530	}
1796		2531
1797	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
1798		2533
1799	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
1812		2547
1813	=item $player_object->enter_link	2548	=item $player_object->enter_link
1814		2549
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2551
1817	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
1819		2556
1820	Will never block.	2557	Will never block.
1821		2558
1822	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
1823		2560
…		…
1846	$self->deactivate_recursive;	2583	$self->deactivate_recursive;
1847		2584
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2585	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2586
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2587	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2588	if $self->map && $self->map->{path} ne "{link}";
1852		2589
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2590	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2591	}
1855		2592
1856	sub cf::object::player::leave_link {	2593	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2594	my ($self, $map, $x, $y) = @_;
		2595
		2596	return unless $self->contr->active;
1858		2597
1859	my $link_pos = delete $self->{_link_pos};	2598	my $link_pos = delete $self->{_link_pos};
1860		2599
1861	unless ($map) {	2600	unless ($map) {
1862	# restore original map position	2601	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
1875		2614
1876	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
1879		2618
1880	$map->load;	2619	$map->load;
1881	$map->load_diag;	2620	$map->load_neighbours;
1882		2621
1883	return unless $self->contr->active;	2622	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2623
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
1888	}
1889		2626
1890	cf::player->attach (	2627	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2628	$self->activate_recursive;
1892	my ($pl) = @_;	2629	}
1893		2630
1894	# abort map switching before logout	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2632
1904	# try to abort aborted map switching on player login :)	2633	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2634	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2635	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2636	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2637	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2638
1922	=item $player_object->goto ($path, $x, $y)	2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
1923		2641
1924	=cut	2642	=cut
		2643
		2644	our $GOTOGEN;
1925		2645
1926	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2647	my ($self, $path, $x, $y, $check, $done) = @_;
		2648
		2649	# do generation counting so two concurrent goto's will be executed in-order
		2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2651
1929	$self->enter_link;	2652	$self->enter_link;
1930		2653
1931	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
1932	my $map = eval {	2676	my $map = eval {
1933	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
		2678
		2679	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2680	$map = $map->customise_for ($self);
		2681	$map = $check->($map) if $check && $map;
		2682	} else {
		2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2684	}
		2685
1935	$map	2686	$map
		2687	};
		2688
		2689	if ($@) {
		2690	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2691	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2692	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2693
		2694	if ($gen == $self->{_goto_generation}) {
		2695	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2696	$self->leave_link ($map, $x, $y);
		2697	}
		2698
		2699	$done->() if $done;
1940	})->prio (1);	2700	})->prio (1);
1941	}	2701	}
1942		2702
1943	=item $player_object->enter_exit ($exit_object)	2703	=item $player_object->enter_exit ($exit_object)
1944		2704
…		…
1964	}	2724	}
1965		2725
1966	sub prepare_random_map {	2726	sub prepare_random_map {
1967	my ($exit) = @_;	2727	my ($exit) = @_;
1968		2728
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2731	# that depends on the exit object
1974		2732
1975	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2735	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
1982	}	2742	}
1983		2743
1984	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
1985		2745
1986	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
1989		2749
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2752	undef $fh;
1993	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
1994		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
1997	}	2761	}
1998	}	2762	}
1999		2763
2000	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2002		2766
2003	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2004		2768
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2769	$self->enter_link;
2017		2770
2018	(async {	2771	(async {
2019	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2020	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2021	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2022		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2023	1;	2795	1
2024	}) {	2796	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2801
2030	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2049		2821
2050	utf8::encode $text;	2822	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2824	}
2053		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
		2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2852
		2853	Send a drawinfo or msg packet to the client, formatting the msg for the
		2854	client if neccessary. C<$type> should be a string identifying the type of
		2855	the message, with C<log> being the default. If C<$color> is negative, suppress
		2856	the message unless the client supports the msg packet.
		2857
		2858	=cut
		2859
		2860	# non-persistent channels (usually the info channel)
		2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
		2868	"c/identify" => {
		2869	id => "infobox",
		2870	title => "Identify",
		2871	reply => undef,
		2872	tooltip => "Items recently identified",
		2873	},
		2874	"c/examine" => {
		2875	id => "infobox",
		2876	title => "Examine",
		2877	reply => undef,
		2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
		2972	);
		2973
		2974	sub cf::client::send_msg {
		2975	my ($self, $channel, $msg, $color, @extra) = @_;
		2976
		2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
		2979
		2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2981
		2982	# check predefined channels, for the benefit of C
		2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
		2989	} elsif (ref $channel) {
		2990	# send meta info to client, if not yet sent
		2991	unless (exists $self->{channel}{$channel->{id}}) {
		2992	$self->{channel}{$channel->{id}} = $channel;
		2993	$self->ext_msg (channel_info => $channel);
		2994	}
		2995
		2996	$channel = $channel->{id};
		2997	}
		2998
		2999	return unless @extra || length $msg;
		3000
		3001	# default colour, mask it out
		3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3003	if $color & cf::NDI_DEF;
		3004
		3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
		3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3008	);
		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
2054	=item $client->ext_event ($type, %msg)	3013	=item $client->ext_msg ($type, @msg)
2055		3014
2056	Sends an exti event to the client.	3015	Sends an ext event to the client.
2057		3016
2058	=cut	3017	=cut
2059		3018
2060	sub cf::client::ext_event($$%) {	3019	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3020	my ($self, $type, @msg) = @_;
2062		3021
		3022	if ($self->extcmd == 2) {
		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3025	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3027	}
		3028	}
		3029
		3030	=item $client->ext_reply ($msgid, @msg)
		3031
		3032	Sends an ext reply to the client.
		3033
		3034	=cut
		3035
		3036	sub cf::client::ext_reply($$@) {
		3037	my ($self, $id, @msg) = @_;
		3038
		3039	if ($self->extcmd == 2) {
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3041	} elsif ($self->extcmd == 1) {
		3042	#TODO: version 1, remove
		3043	unshift @msg, msgtype => "reply", msgid => $id;
		3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3045	}
2065	}	3046	}
2066		3047
2067	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2068		3049
2069	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3051	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3052	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3053
2073	Queries can fail, so check the return code. Or don't, as queries will become	3054	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3055	become reliable at some point in the future.
2075		3056
2076	=cut	3057	=cut
2077		3058
2078	sub cf::client::query {	3059	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3060	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3068	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3069	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3070
2090	$self->send_packet ($self->{query_queue}[0][0])	3071	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3072	if @{ $self->{query_queue} } == 1;
		3073
		3074	1
2092	}	3075	}
2093		3076
2094	cf::client->attach (	3077	cf::client->attach (
		3078	on_connect => sub {
		3079	my ($ns) = @_;
		3080
		3081	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3082	},
2095	on_reply => sub {	3083	on_reply => sub {
2096	my ($ns, $msg) = @_;	3084	my ($ns, $msg) = @_;
2097		3085
2098	# this weird shuffling is so that direct followup queries	3086	# this weird shuffling is so that direct followup queries
2099	# get handled first	3087	# get handled first
…		…
2111	} else {	3099	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3100	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3101	}
2114	}	3102	}
2115	},	3103	},
		3104	on_exticmd => sub {
		3105	my ($ns, $buf) = @_;
		3106
		3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3108
		3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
		3117	if (my $cb = $EXTICMD{$type}) {
		3118	@reply = $cb->($ns, @payload);
		3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
		3124	} else {
		3125	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3126	}
		3127
		3128	cf::override;
		3129	},
2116	);	3130	);
2117		3131
2118	=item $client->async (\&cb)	3132	=item $client->async (\&cb)
2119		3133
2120	Create a new coroutine, running the specified callback. The coroutine will	3134	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3150
2137	$coro	3151	$coro
2138	}	3152	}
2139		3153
2140	cf::client->attach (	3154	cf::client->attach (
2141	on_destroy => sub {	3155	on_client_destroy => sub {
2142	my ($ns) = @_;	3156	my ($ns) = @_;
2143		3157
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3159	},
2146	);	3160	);
…		…
2161	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2163		3177
2164	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2165		3179
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3180	$safe->permit_only (Opcode::opset qw(
		3181	:base_core :base_mem :base_orig :base_math :base_loop
		3182	grepstart grepwhile mapstart mapwhile
		3183	sort time
		3184	));
2167		3185
2168	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2169		3187
2170	=pod	3188	=pod
2171		3189
2172	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2173		3191
2174	cf::object contr pay_amount pay_player map	3192	cf::object
		3193	contr pay_amount pay_player map x y force_find force_add destroy
		3194	insert remove name archname title slaying race decrease split
		3195	value
		3196
2175	cf::object::player player	3197	cf::object::player
2176	cf::player peaceful	3198	player
2177	cf::map trigger	3199
		3200	cf::player
		3201	peaceful
		3202
		3203	cf::map
		3204	trigger
2178		3205
2179	=cut	3206	=cut
2180		3207
2181	for (	3208	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2186	) {	3215	) {
2187	no strict 'refs';	3216	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2207		3236
2208	my $qcode = $code;	3237	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2211		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2212	local $_;	3244	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3245
2215	my $eval =	3246	my $eval =
2216	"do {\n"	3247	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3250	. $code
2220	. "\n}"	3251	. "\n}"
2221	;	3252	;
2222		3253
		3254	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2226		3263
2227	if ($@) {	3264	if ($@) {
2228	warn "$@";	3265	warn "$@";
2229	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2230	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2249	=cut	3286	=cut
2250		3287
2251	sub register_script_function {	3288	sub register_script_function {
2252	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2253		3290
2254	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2256	}	3293	}
2257		3294
2258	=back	3295	=back
2259		3296
2260	=cut	3297	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3298
2334	#############################################################################	3299	#############################################################################
2335	# the server's init and main functions	3300	# the server's init and main functions
2336		3301
2337	sub load_facedata {	3302	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3303	my ($path) = @_;
		3304
		3305	# HACK to clear player env face cache, we need some signal framework
		3306	# for this (global event?)
		3307	%ext::player_env::MUSIC_FACE_CACHE = ();
		3308
		3309	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3310
2340	warn "loading facedata from $path\n";	3311	warn "loading facedata from $path\n";
2341		3312
2342	my $facedata;	3313	my $facedata;
2343	0 < aio_load $path, $facedata	3314	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3317	$facedata = Coro::Storable::thaw $facedata;
2347		3318
2348	$facedata->{version} == 2	3319	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3321
		3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3324	$facedata->{resource}{"res/exp_table"} = {
		3325	type => FT_RSRC,
		3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
		3328	};
		3329	cf::cede_to_tick;
		3330
2351	{	3331	{
2352	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2353		3333
2354	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3337	cf::face::set_visibility $idx, $info->{visibility};
		3338	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3341
		3342	cf::cede_to_tick;
2360	}	3343	}
2361		3344
2362	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2364	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2365	or next;	3349	or next;
		3350
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
		3352	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3354	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3356	}
2371	Coro::cede;	3357
		3358	cf::cede_to_tick;
2372	}	3359	}
2373	}	3360	}
2374		3361
2375	{	3362	{
2376	my $anims = $facedata->{animinfo};	3363	my $anims = $facedata->{animinfo};
2377		3364
2378	while (my ($anim, $info) = each %$anims) {	3365	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3366	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3367	cf::cede_to_tick;
2381	}	3368	}
2382		3369
2383	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
2384	}	3371	}
2385		3372
		3373	{
		3374	my $res = $facedata->{resource};
		3375
		3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
		3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3379
		3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
		3382	} else {
		3383	$RESOURCE{$name} = $info;
		3384	}
		3385
		3386	cf::cede_to_tick;
		3387	}
		3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
2386	1	3392	1
2387	}	3393	}
2388		3394
2389	our $archetypes_loaded;	3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
2390		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
		3433	sub reload_regions {
		3434	# HACK to clear player env face cache, we need some signal framework
		3435	# for this (global event?)
		3436	%ext::player_env::MUSIC_FACE_CACHE = ();
		3437
		3438	load_resource_file "$MAPDIR/regions"
		3439	or die "unable to load regions file\n";
		3440
		3441	for (cf::region::list) {
		3442	$_->{match} = qr/$_->{match}/
		3443	if exists $_->{match};
		3444	}
		3445	}
		3446
		3447	sub reload_facedata {
		3448	load_facedata "$DATADIR/facedata"
		3449	or die "unable to load facedata\n";
		3450	}
		3451
2391	sub load_archetypes {	3452	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3453	load_resource_file "$DATADIR/archetypes"
2393	load_archetype_file sprintf "%s/archetypes", cf::datadir	3454	or die "unable to load archetypes\n";
2394	}	3455	}
2395		3456
2396	sub load_treasures {	3457	sub reload_treasures {
2397	load_treasure_file sprintf "%s/treasures", cf::datadir	3458	load_resource_file "$DATADIR/treasures"
		3459	or die "unable to load treasurelists\n";
2398	}	3460	}
2399		3461
2400	sub reload_resources {	3462	sub reload_resources {
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3463	warn "reloading resource files...\n";
2402	or die "unable to load regions file\n";	3464
2403	load_facedata	3465	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3466	reload_archetypes;
2406	or die "unable to load archetypes\n";	3467	reload_regions;
2407	load_treasures	3468	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409	}
2410		3469
2411	sub init {	3470	warn "finished reloading resource files\n";
2412	reload_resources;
2413	}	3471	}
2414		3472
2415	sub cfg_load {	3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
2416	open my $fh, "<:utf8", cf::confdir . "/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2417	or return;	3477	or return;
2418		3478
2419	local $/;	3479	local $/;
2420	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2421		3481
2422	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2423		3483
2424	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2425	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2429	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2430	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2431	};	3491	};
2432	warn $@ if $@;	3492	warn $@ if $@;
2433	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
2434	}	3524	}
2435		3525
2436	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
2437	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2438	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2439	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2440	(async {	3544	(async {
2441	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
2442	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
2443	};	3548	};
2444		3549
2445	cfg_load;	3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
		3557	reload_config;
2446	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
2447	load_extensions;	3568	load_extensions;
2448		3569
2449	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
2450	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
2451	}	3580	}
2452		3581
2453	#############################################################################	3582	#############################################################################
2454	# initialisation and cleanup	3583	# initialisation and cleanup
2455		3584
2456	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2457	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2458	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2459	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2460	reentrant => 0,
2461	data => WF_AUTOCANCEL,
2462	signal => $signal,
2463	prio => 0,
2464	cb => sub {
2465	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2466	},
2467	);	3591	};
		3592	}
		3593	}
		3594
		3595	sub write_runtime_sync {
		3596	my $t0 = EV::time;
		3597
		3598	# first touch the runtime file to show we are still running:
		3599	# the fsync below can take a very very long time.
		3600
		3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3602
		3603	my $guard = cf::lock_acquire "write_runtime";
		3604
		3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3606	or return;
		3607
		3608	my $value = $cf::RUNTIME + 90 + 10;
		3609	# 10 is the runtime save interval, for a monotonic clock
		3610	# 60 allows for the watchdog to kill the server.
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	# touch it again to show we are up-to-date
		3620	aio_utime $fh, undef, undef;
		3621
		3622	close $fh
		3623	or return;
		3624
		3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3626	and return;
		3627
		3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3629
2468	}	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
2469	}	3681	}
2470		3682
2471	sub emergency_save() {	3683	sub emergency_save() {
2472	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
2473		3685
2474	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
2475		3687
2476	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
2477	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
2478	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
2479	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
2480	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
2481	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
2482	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
2483	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2484	$pl->save;	3702	$pl->save;
2485	}	3703	}
2486	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
2487		3705
2488	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
2489	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
2490	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
2491	$map->valid or next;	3709	$map->valid or next;
2492	$map->save;	3710	$map->save;
2493	}	3711	}
2494	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
2495		3713
2496	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
2497	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
2498	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
2499	};	3721	};
2500		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
2501	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
2502	}	3729	}
2503		3730
2504	sub post_cleanup {	3731	sub post_cleanup {
2505	my ($make_core) = @_;	3732	my ($make_core) = @_;
2506		3733
2507	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
2508	if $make_core;	3735	if $make_core;
2509	}
2510		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
		3765	}
		3766
2511	sub reload() {	3767	sub do_reload_perl() {
2512	# can/must only be called in main	3768	# can/must only be called in main
2513	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
2514	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
2515	return;	3771	return;
2516	}	3772	}
2517		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
2518	warn "reloading...";	3779	warn "reloading...";
2519		3780
2520	warn "entering sync_job";	3781	warn "entering sync_job";
2521		3782
2522	cf::sync_job {	3783	cf::sync_job {
2523	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
2524	cf::emergency_save;	3785	cf::emergency_save;
2525	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
2526		3787
2527	warn "syncing database to disk";	3788	warn "syncing database to disk";
2528	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
2529		3790
2530	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
2531		3792
2532	warn "cancelling all WF_AUTOCANCEL watchers";
2533	for (Event::all_watchers) {
2534	$_->cancel if $_->data & WF_AUTOCANCEL;
2535	}
2536
2537	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
2538	for (;;) {
2539	BDB::flush;
2540	IO::AIO::flush;
2541	Coro::cede;
2542	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
2543	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2544	}
2545
2546	++$RELOAD;
2547
2548	warn "cancelling all extension coros";
2549	$_->cancel for values %EXT_CORO;
2550	%EXT_CORO = ();
2551
2552	warn "removing commands";
2553	%COMMAND = ();
2554
2555	warn "removing ext commands";
2556	%EXTCMD = ();
2557
2558	warn "unloading/nuking all extensions";
2559	for my $pkg (@EXTS) {
2560	warn "... unloading $pkg";
2561
2562	if (my $cb = $pkg->can ("unload")) {
2563	eval {
2564	$cb->($pkg);
2565	1
2566	} or warn "$pkg unloaded, but with errors: $@";
2567	}	3796	}
2568		3797
2569	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
2570	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
2571	}	3800	%EXT_CORO = ();
2572		3801
2573	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
2574	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
2575	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2576		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
2577	warn "... unloading $k";	3811	warn "... unloading $pkg";
2578	delete $INC{$k};
2579		3812
2580	$k =~ s/\.pm$//;
2581	$k =~ s/\//::/g;
2582
2583	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
2584	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
2585	}	3822	}
2586		3823
2587	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
2588	}	3839	}
2589		3840
2590	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
2591	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
2592	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2593		3844
2594	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
2595	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
		3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2596		3848
2597	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
2598	# and global variables created in xs	3850	# and global variables created in xs
2599	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
2600		3852
2601	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
2602		3854
2603	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
2604	require cf;	3856	require cf;
2605	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
2606		3858
2607	warn "loading config and database again";	3859	warn "loading config and database again";
2608	cf::cfg_load;	3860	cf::reload_config;
2609		3861
2610	warn "loading extensions";	3862	warn "loading extensions";
2611	cf::load_extensions;	3863	cf::load_extensions;
2612		3864
		3865	if ($REATTACH_ON_RELOAD) {
2613	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
2614	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
2615	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
2616	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
2617	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
2618	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
2619		3873
2620	warn "loading reloadable resources";	3874	warn "running post_init jobs";
2621	reload_resources;	3875	(pop @POST_INIT)->(1) while @POST_INIT;
2622		3876
2623	warn "leaving sync_job";	3877	warn "leaving sync_job";
2624		3878
2625	1	3879	1
2626	} or do {	3880	} or do {
2627	warn $@;	3881	warn $@;
2628	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
2629	exit 1;	3883	};
		3884
		3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
		3891	};
		3892
		3893	our $RELOAD_WATCHER; # used only during reload
		3894
		3895	sub reload_perl() {
		3896	# doing reload synchronously and two reloads happen back-to-back,
		3897	# coro crashes during coro_state_free->destroy here.
		3898
		3899	$RELOAD_WATCHER ||= cf::async {
		3900	Coro::AIO::aio_wait cache_extensions;
		3901
		3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3903	do_reload_perl;
		3904	undef $RELOAD_WATCHER;
		3905	};
2630	};	3906	};
2631		3907	}
2632	warn "reloaded";
2633	};
2634
2635	our $RELOAD_WATCHER; # used only during reload
2636		3908
2637	register_command "reload" => sub {	3909	register_command "reload" => sub {
2638	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
2639		3911
2640	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
2641	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
2642		3914	async {
2643	# doing reload synchronously and two reloads happen back-to-back,	3915	$Coro::current->{desc} = "perl_reload";
2644	# coro crashes during coro_state_free->destroy here.
2645
2646	$RELOAD_WATCHER ||= Event->timer (
2647	reentrant => 0,
2648	after => 0,
2649	data => WF_AUTOCANCEL,
2650	cb => sub {
2651	reload;	3916	reload_perl;
2652	undef $RELOAD_WATCHER;
2653	},
2654	);	3917	};
2655	}	3918	}
2656	};	3919	};
2657		3920
2658	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
2659		3922
…		…
2661		3924
2662	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
2663	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
2664		3927
2665	sub wait_for_tick {	3928	sub wait_for_tick {
2666	return unless $TICK_WATCHER->is_active;
2667	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2668		3930
2669	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
2670	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
2671	$signal->wait;	3933	$signal->wait;
2672	}	3934	}
2673		3935
2674	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		3938
2678	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
2680	$signal->wait;	3941	$signal->wait;
2681	}	3942	}
2682		3943
2683	$TICK_WATCHER = Event->timer (	3944	sub tick {
2684	reentrant => 0,
2685	parked => 1,
2686	prio => 0,
2687	at => $NEXT_TICK || $TICK,
2688	data => WF_AUTOCANCEL,
2689	cb => sub {
2690	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
2691	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2692	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
2693	return;	3948	return;
2694	}	3949	}
2695		3950
2696	$NOW = Event::time;
2697
2698	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
2699	$RUNTIME += $TICK;
2700	$NEXT_TICK += $TICK;
2701		3952
		3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
		3954
2702	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2703	$NEXT_RUNTIME_WRITE = $NOW + 10;	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2704	Coro::async_pool {	3957	Coro::async_pool {
		3958	$Coro::current->{desc} = "runtime saver";
2705	write_runtime	3959	write_runtime_sync
2706	or warn "ERROR: unable to write runtime file: $!";	3960	or warn "ERROR: unable to write runtime file: $!";
2707	};
2708	}	3961	};
		3962	}
2709		3963
2710	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2711	$sig->send;	3965	$sig->send;
2712	}	3966	}
2713	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
2714	$sig->send;	3968	$sig->send;
2715	}
2716
2717	# my $AFTER = Event::time;
2718	# warn $AFTER - $NOW;#d#
2719
2720	# if we are delayed by four ticks or more, skip them all
2721	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2722
2723	$TICK_WATCHER->at ($NEXT_TICK);
2724	$TICK_WATCHER->start;
2725	},	3969	}
2726	);	3970
		3971	$LOAD = ($NOW - $TICK_START) / $TICK;
		3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3973
		3974	if (0) {
		3975	if ($NEXT_TICK) {
		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
		3980	}
		3981	}
2727		3982
2728	{	3983	{
2729	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
2730	$BDB_POLL_WATCHER = Event->io (	3985
2731	reentrant => 0,
2732	fd => BDB::poll_fileno,
2733	poll => 'r',
2734	prio => 0,
2735	data => WF_AUTOCANCEL,
2736	cb => \&BDB::poll_cb,
2737	);
2738	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
2739		3987	BDB::max_poll_reqs $TICK * 0.1;
2740	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
2741	my $status;
2742	my $current = $Coro::current;
2743	(
2744	sub {
2745	$status = $!;
2746	$current->ready; undef $current;
2747	},
2748	sub {
2749	Coro::schedule while defined $current;
2750	$! = $status;
2751	},
2752	)
2753	};
2754		3989
2755	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
2756	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2757		3997
2758	cf::sync_job {	3998	cf::sync_job {
2759	eval {	3999	eval {
2760	BDB::db_env_open	4000	BDB::db_env_open
2761	$DB_ENV,	4001	$DB_ENV,
2762	$BDB_ENV_DIR,	4002	$BDBDIR,
2763	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2764	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2765	0666;	4005	0666;
2766		4006
2767	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2768
2769	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2770	$DB_ENV->set_lk_detect;
2771	};	4008	};
2772		4009
2773	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
2774	};	4011	};
2775	}	4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
2776	}	4023	}
2777		4024
2778	{	4025	{
		4026	# configure IO::AIO
		4027
2779	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
2780
2781	undef $Coro::AIO::WATCHER;
2782	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
2783	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	fd => IO::AIO::poll_fileno,
2787	poll => 'r',
2788	prio => 6,
2789	cb => \&IO::AIO::poll_cb,
2790	);
2791	}	4031	}
		4032
		4033	my $_log_backtrace;
		4034
		4035	sub _log_backtrace {
		4036	my ($msg, @addr) = @_;
		4037
		4038	$msg =~ s/\n//;
		4039
		4040	# limit the # of concurrent backtraces
		4041	if ($_log_backtrace < 2) {
		4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
		4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
		4047	my @bt = fork_call {
		4048	@addr = map { sprintf "%x", $_ } @addr;
		4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4051	or die "addr2line: $!";
		4052
		4053	my @funcs;
		4054	my @res = <$fh>;
		4055	chomp for @res;
		4056	while (@res) {
		4057	my ($func, $line) = splice @res, 0, 2, ();
		4058	push @funcs, "[$func] $line";
		4059	}
		4060
		4061	@funcs
		4062	};
		4063
		4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4066	LOG llevInfo, "[ABT] $_\n" for @bt;
		4067	--$_log_backtrace;
		4068	};
		4069	} else {
		4070	LOG llevInfo, "[ABT] $msg\n";
		4071	LOG llevInfo, "[ABT] [suppressed]\n";
		4072	}
		4073	}
		4074
		4075	# load additional modules
		4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
2792		4078
2793	END { cf::emergency_save }	4079	END { cf::emergency_save }
2794		4080
2795	1	4081	1
2796		4082

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