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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.485 by root, Mon Oct 12 14:12:54 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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 ();
13		37
		38	use Guard ();
14	use Coro 3.52 ();	39	use Coro ();
15	use Coro::State;	40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
16	use Coro::Event;	43	use Coro::AnyEvent;
17	use Coro::Timer;	44	use Coro::Timer;
18	use Coro::Signal;	45	use Coro::Signal;
19	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
20	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
21		53
		54	use JSON::XS 2.01 ();
22	use BDB ();	55	use BDB ();
23	use Data::Dumper;	56	use Data::Dumper;
24	use Digest::MD5;	57	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	115	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
67		124
68	our %CFG;	125	our %CFG;
69		126
70	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
72		130
73	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		134
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		147
85	binmode STDOUT;	148	binmode STDOUT;
86	binmode STDERR;	149	binmode STDERR;
87		150
88	# read virtual server time, if available	151	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
93	}	156	}
94		157
95	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	159
97	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		162
102	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
103		164
104	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::"} };
105		177
106	#############################################################################	178	#############################################################################
107		179
108	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
109		181
…		…
116	=item $cf::RUNTIME	188	=item $cf::RUNTIME
117		189
118	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
119	every server tick.	191	every server tick.
120		192
121	=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
122		196
123	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		201
126	=item $cf::NOW	202	=item $cf::NOW
127		203
128	The time of the last (current) server tick.	204	The time of the last (current) server tick.
129		205
130	=item $cf::TICK	206	=item $cf::TICK
131		207
132	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	220	=item %cf::CFG
135		221
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	223	from wherever your confdir points to.
138		224
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		226
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
145		242
146	=back	243	=back
147		244
148	=cut	245	=cut
149		246
150	BEGIN {	247	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	248	my $msg = join "", @_;
153	utf8::encode $msg;
154		249
155	$msg .= "\n"	250	$msg .= "\n"
156	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
157		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
158	LOG llevError, $msg;	255	LOG llevError, $msg;
159	};	256	};
160	}	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	};
161		271
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		279
169	# 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
170	# within the Safe compartment.	281	# within the Safe compartment.
171	for my $pkg (qw(	282	for my $pkg (qw(
172	cf::global cf::attachable	283	cf::global cf::attachable
173	cf::object cf::object::player	284	cf::object cf::object::player
174	cf::client cf::player	285	cf::client cf::player
175	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
176	cf::map cf::party cf::region	288	cf::party cf::region
177	)) {	289	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	291	}
181		292
182	$Event::DIED = sub {	293	$EV::DIED = sub {
183	warn "error in event callback: @_";	294	warn "error in event callback: @_";
184	};	295	};
		296
		297	#############################################################################
185		298
186	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
187		300
188	=over 4	301	=over 4
189		302
…		…
208	$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;
209	$d	322	$d
210	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
211	}	324	}
212		325
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
216		327
217	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
218		329
219	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
220		331
221	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	355	=item cf::lock_wait $string
224		356
225	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
226		358
227	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
228		360
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
232	returned.	364	returned.
233		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
234	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
235	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
236		371
237	=cut	372	=item $locked = cf::lock_active $string
238		373
239	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
240		379
241	sub lock_wait($) {	380	sub lock_wait($) {
242	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	382	}
250		383
251	sub lock_acquire($) {	384	sub lock_acquire($) {
252	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
253		387
254	# wait, to be sure we are not locked	388	sub lock_active($) {
255	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	390	}
264		391
265	sub freeze_mainloop {	392	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
267		394
268	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
270	};	456	}
271	$TICK_WATCHER->stop;	457	};
272	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
273	}	471	}
274		472
275	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
276		474
277	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		480
283	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
284		482
285	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
286		484
287	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
290		489
291	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
294	fast or be very important.	493	fast or be very important.
…		…
297		496
298	sub sync_job(&) {	497	sub sync_job(&) {
299	my ($job) = @_;	498	my ($job) = @_;
300		499
301	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
302	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
304		505
305	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	507
307	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
308		509
309	my $busy = 1;	510	my $busy = 1;
310	my @res;	511	my @res;
311		512
312	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	515	@res = eval { $job->() };
314	warn $@ if $@;	516	warn $@ if $@;
315	undef $busy;	517	undef $busy;
316	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
317		519
318	while ($busy) {	520	while ($busy) {
319	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
320	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
321		531
322	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
323	} else {	533	} else {
324	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
325		535
…		…
345	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
346		556
347	$coro	557	$coro
348	}	558	}
349		559
350	sub write_runtime {	560	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		561
353	my $runtime = cf::localdir . "/runtime";	562	Executes the given code block with the given arguments in a seperate
		563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
354		566
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
356	or return;
357		568
358	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		571
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
363	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
364		575
365	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	577	reset_signals;
367	and return;	578	&$cb
		579	}, @args;
368		580
369	close $fh	581	wantarray ? @res : $res[-1]
370	or return;	582	}
371		583
372	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
373	and return;
374		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
375	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	747	}
377		748
378	=back	749	=back
379		750
380	=cut	751	=cut
381		752
382	#############################################################################	753	#############################################################################
383		754
384	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
385		756
386	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
389		760
390	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	763	Deliantra).
393		764
394	=over 4	765	=over 4
395		766
396	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
397		768
…		…
441	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
442		813
443	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
445		816
446	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
448		819
449	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
450		821
451	=over 4	822	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
561		932
562	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		937
567	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	939	my $pkg = shift @arg;
569		940
570	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
600	}	971	}
601		972
602	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
603	} else {	974	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	976	}
606		977
607	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
608	}	979	}
609		980
…		…
611	if (ref $_[0]) {	982	if (ref $_[0]) {
612	_object_attach @_;	983	_object_attach @_;
613	} else {	984	} else {
614	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
615	}	986	}
		987	_recalc_want;
616	};	988	};
617		989
618	# all those should be optimised	990	# all those should be optimised
619	sub cf::attachable::detach {	991	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
624	reattach ($obj);	996	reattach ($obj);
625	} else {	997	} else {
626	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
627	}	999	}
		1000	_recalc_want;
628	};	1001	};
629		1002
630	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
632		1005
…		…
647	";	1020	";
648	die if $@;	1021	die if $@;
649	}	1022	}
650		1023
651	our $override;	1024	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1026
654	sub override {	1027	sub override {
655	$override = 1;	1028	$override = 1;
656	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
657	}	1030	}
658		1031
659	sub do_invoke {	1032	sub do_invoke {
660	my $event = shift;	1033	my $event = shift;
661	my $callbacks = shift;	1034	my $callbacks = shift;
662		1035
663	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
664		1037
665	local $override;	1038	local $override;
666		1039
667	for (@$callbacks) {	1040	for (@$callbacks) {
668	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
677	}	1050	}
678		1051
679	0	1052	0
680	}	1053	}
681		1054
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1056
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1058
686	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
687		1060
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1064
692	=back	1065	=back
693		1066
694	=cut	1067	=cut
695		1068
696	#############################################################################	1069	#############################################################################
697	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
698		1113
699	sub reattach {	1114	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1116	my ($obj) = @_;
702		1117
		1118	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1120
705	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
706		1122
707	@$registry = ();	1123	@$registry = ();
708		1124
…		…
723	cf::attachable->attach (	1139	cf::attachable->attach (
724	prio => -1000000,	1140	prio => -1000000,
725	on_instantiate => sub {	1141	on_instantiate => sub {
726	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
727		1143
728	$data = from_json $data;	1144	$data = decode_json $data;
729		1145
730	for (@$data) {	1146	for (@$data) {
731	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
732		1148
733	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1165	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
751		1167
752	sync_job {	1168	sync_job {
753	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
756		1173
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	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;
		1179	aio_fsync $fh;
		1180	}
761	close $fh;	1181	aio_close $fh;
762		1182
763	if (@$objs) {	1183	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	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;
		1190	aio_fsync $fh;
		1191	}
769	close $fh;	1192	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
771	}	1194	}
772	} else {	1195	} else {
773	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
774	}	1197	}
775		1198
776	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1203	} else {
778	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
779	}	1205	}
780	} else {	1206	} else {
781	aio_unlink $filename;	1207	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
783	}	1209	}
784	}	1210	};
785	}	1211	}
786		1212
787	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
789		1215
…		…
801	or return;	1227	or return;
802		1228
803	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
805	or return;	1231	or return;
		1232
806	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
807	}	1235	}
808		1236
		1237	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
811	return ($data, $av);	1241	($data, $av)
812	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
813		1249
814	#############################################################################	1250	#############################################################################
815	# command handling &c	1251	# command handling &c
816		1252
817	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1267	}
832		1268
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1270
835	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
836		1276
837	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
838	called.	1278	called.
839		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
840	=cut	1291	=cut
841		1292
842	sub register_extcmd {	1293	sub register_extcmd {
843	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
844		1295
845	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
846	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
847		1306
848	cf::player->attach (	1307	cf::player->attach (
849	on_command => sub {	1308	on_command => sub {
850	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
851		1310
…		…
859	cf::override;	1318	cf::override;
860	},	1319	},
861	on_extcmd => sub {	1320	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
863		1322
864	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1324
866	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
872	} else {	1340	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1342	}
875		1343
876	cf::override;	1344	cf::override;
877	},	1345	},
878	);	1346	);
879		1347
		1348	# "readahead" all extensions
880	sub load_extension {	1349	sub cache_extensions {
881	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
882		1351
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1355	}
908	die $@;
909	}	1356	};
910		1357
911	push @EXTS, $pkg;	1358	$grp
912	}	1359	}
913		1360
914	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
915	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1366	next unless -r $path;
917	eval {	1367
918	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
919	1	1424	}
920	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
921	}	1430	};
922	}	1431	}
923		1432
924	#############################################################################	1433	#############################################################################
925		1434
		1435	=back
		1436
926	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
927		1438
928	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
929		1440
930	=cut	1441	=cut
931		1442
932	package cf::player;	1443	package cf::player;
933		1444
…		…
935		1446
936	=head3 cf::player	1447	=head3 cf::player
937		1448
938	=over 4	1449	=over 4
939		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
940	=item cf::player::find $login	1465	=item cf::player::find $login
941		1466
942	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
943		1468
944	=cut	1469	=cut
945		1470
946	sub playerdir($) {	1471	sub playerdir($) {
947	cf::localdir	1472	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1474	}
953		1475
954	sub path($) {	1476	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1478
957	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
958	}	1480	}
959		1481
960	sub find_active($) {	1482	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
965		1487
966	sub exists($) {	1488	sub exists($) {
967	my ($login) = @_;	1489	my ($login) = @_;
968		1490
969	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
971	}	1493	}
972		1494
973	sub find($) {	1495	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1497	my $login = $_[0];
976		1498
977	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
978		1500
979	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
981	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
983	}	1518	}
984	}	1519	}
985	}	1520	}
986		1521
…		…
995	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
996		1531
997	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
999		1534
		1535	cf::get_slot 0.01;
		1536
1000	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1001	Coro::cede;	1538	cf::cede_to_tick;
1002	}	1539	}
1003		1540
1004	sub new($) {	1541	sub new($) {
1005	my ($login) = @_;	1542	my ($login) = @_;
1006		1543
…		…
1012	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1013		1550
1014	$self	1551	$self
1015	}	1552	}
1016		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1017	=item $pl->quit_character	1564	=item $pl->quit_character
1018		1565
1019	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1021		1568
…		…
1025	my ($pl) = @_;	1572	my ($pl) = @_;
1026		1573
1027	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1028		1575
1029	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1578
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1036		1585
1037	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1069		1618
1070	=cut	1619	=cut
1071		1620
1072	sub list_logins {	1621	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1623	or return [];
1075		1624
1076	my @logins;	1625	my @logins;
1077		1626
1078	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1082		1637
1083	utf8::decode $login;	1638	utf8::decode $login;
1084	push @logins, $login;	1639	push @logins, $login;
1085	}	1640	}
1086		1641
…		…
1113	}	1668	}
1114		1669
1115	\@paths	1670	\@paths
1116	}	1671	}
1117		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1119		1678
1120	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1121		1680
1122	=cut	1681	=cut
1123		1682
1124	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1126		1685
1127	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1687	}
1131		1688
1132	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1133		1729
1134	=back	1730	=back
1135
1136		1731
1137	=head3 cf::map	1732	=head3 cf::map
1138		1733
1139	=over 4	1734	=over 4
1140		1735
…		…
1152	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1154		1749
1155	sub generate_random_map {	1750	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1157	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1756	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1793	my ($self, $merge) = @_;
1196		1794
1197	# we have to keep some variables in memory intact	1795	# we have to keep some variables in memory intact
1198	local $self->{path};	1796	local $self->{path};
1199	local $self->{load_path};	1797	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1798
1203	$self->SUPER::thawer_merge ($merge);	1799	$self->SUPER::thawer_merge ($merge);
1204	}	1800	}
1205		1801
1206	sub normalise {	1802	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1254	return $self;	1850	return $self;
1255	}	1851	}
1256	}	1852	}
1257		1853
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1855	()
1260	}	1856	}
1261		1857
1262	sub init {	1858	sub init {
1263	my ($self) = @_;	1859	my ($self) = @_;
…		…
1278		1874
1279	# the original (read-only) location	1875	# the original (read-only) location
1280	sub load_path {	1876	sub load_path {
1281	my ($self) = @_;	1877	my ($self) = @_;
1282		1878
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1879	"$MAPDIR/$self->{path}.map"
1284	}	1880	}
1285		1881
1286	# the temporary/swap location	1882	# the temporary/swap location
1287	sub save_path {	1883	sub save_path {
1288	my ($self) = @_;	1884	my ($self) = @_;
1289		1885
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1887	"$TMPDIR/$path.map"
1292	}	1888	}
1293		1889
1294	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1295	sub uniq_path {	1891	sub uniq_path {
1296	my ($self) = @_;	1892	my ($self) = @_;
1297		1893
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1895	"$UNIQUEDIR/$path"
1300	}	1896	}
1301		1897
1302	# and all this just because we cannot iterate over	1898	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1899	my ($self) = @_;
1306		1900
1307	$_->change_map_light ($change)	1901	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1902
		1903	$self->do_decay_objects;
1309	}	1904	}
1310		1905
1311	sub unlink_save {	1906	sub unlink_save {
1312	my ($self) = @_;	1907	my ($self) = @_;
1313		1908
…		…
1318		1913
1319	sub load_header_from($) {	1914	sub load_header_from($) {
1320	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1321		1916
1322	utf8::encode $path;	1917	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1919	or return;
		1920
		1921	$self->_load_header ($f)
		1922	or return;
		1923
		1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
1328		1926
1329	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1330		1928
1331	1	1929	1
1332	}	1930	}
…		…
1371	$self->load_header_orig	1969	$self->load_header_orig
1372	or return;	1970	or return;
1373	$self->prepare_orig;	1971	$self->prepare_orig;
1374	}	1972	}
1375		1973
		1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
		1976
		1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
1376	1	1980	1
1377	}	1981	}
1378		1982
1379	sub find;	1983	sub find;
1380	sub find {	1984	sub find {
1381	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1382		1986
1383	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1384		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1991
1387	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1390	or return;	1994	or return;
1391		1995
1392	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1393		1997
1394	$map->load_header	1998	$map->load_header
1395	or return;	1999	or return;
1396		2000
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1400	$map->reset;	2006	$map->reset;
1401	undef $guard;
1402	return find $path;	2007	return find $path;
1403	}	2008	}
1404		2009
1405	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1406	}	2011	}
…		…
1413	my ($self) = @_;	2018	my ($self) = @_;
1414		2019
1415	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1416		2021
1417	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1419		2026
		2027	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2029
1422	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1423		2031
1424	$self->alloc;	2032	$self->alloc;
1425		2033
1426	$self->pre_load;	2034	$self->pre_load;
		2035	cf::cede_to_tick;
1427		2036
1428	$self->_load_objects ($self->{load_path}, 1)	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1429	or return;	2040	or return;
1430		2041
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1432	if delete $self->{load_original};	2043	if delete $self->{load_original};
1433		2044
1434	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2046	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2049	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1439	}	2053	}
1440	}	2054	}
1441		2055
1442	Coro::cede;	2056	$f->resolve_delayed_derefs;
1443		2057
		2058	cf::cede_to_tick;
1444	# now do the right thing for maps	2059	# now do the right thing for maps
1445	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2062	unless $self->difficulty;
1455	Coro::cede;	2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1456	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2077	}
1458		2078
1459	$self->post_load;	2079	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2080	}
1463		2081
1464	sub customise_for {	2082	sub customise_for {
1465	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1466		2084
1467	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2086	if $self->per_player;
1469		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1470	$self	2091	$self
1471	}	2092	}
1472		2093
1473	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2095	sub load_neighbours {
1475	my ($map) = @_;	2096	my ($map) = @_;
1476		2097
1477	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1478		2099
1479	for (0 .. 3) {	2100	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1481	or next;	2102	or next;
1482	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1483	or next;	2104	or next;
1484	$neigh->load;	2105	$neigh->load;
1485		2106
		2107	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2110	}
1489		2111
1490	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1492	or next;	2115	or next;
1493	$neigh->load;	2116	$neigh->load;
1494	}	2117	}
1495	}	2118	}
1496		2119
…		…
1501	}	2124	}
1502		2125
1503	sub do_load_sync {	2126	sub do_load_sync {
1504	my ($map) = @_;	2127	my ($map) = @_;
1505		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1506	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1507	}	2133	}
1508		2134
1509	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1511		2137
1512	sub find_async {	2138	sub find_async {
1513	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1514		2140
1515	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1516		2142
1517	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2145	}
1520		2146
1521	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1522	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1523	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2154	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2155	$map->load if $v;
		2156	}
1528		2157
1529	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1530	}	2159	}
1531	}	2160	}
1532	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1533	};	2162	};
1534	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2166	}
1538		2167
1539	sub save {	2168	sub save {
1540	my ($self) = @_;	2169	my ($self) = @_;
1541		2170
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2172
1544	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1545		2174
1546	return unless $self->dirty;	2175	return unless $self->dirty;
1547		2176
…		…
1553	return if $self->{deny_save};	2182	return if $self->{deny_save};
1554		2183
1555	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1556		2185
1557	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1559	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1560		2192
1561	if ($uniq) {	2193	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2196	} else {
…		…
1570	my ($self) = @_;	2202	my ($self) = @_;
1571		2203
1572	# save first because save cedes	2204	# save first because save cedes
1573	$self->save;	2205	$self->save;
1574		2206
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2208
1577	return if $self->players;	2209	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2211	return if $self->{deny_save};
1580		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2217	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2218	}
1584		2219
1585	sub reset_at {	2220	sub reset_at {
1586	my ($self) = @_;	2221	my ($self) = @_;
1587		2222
1588	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1591		2225
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2228
…		…
1605	my ($self) = @_;	2239	my ($self) = @_;
1606		2240
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2242
1609	return if $self->players;	2243	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2244
1612	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
1613		2246
1614	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1615		2248
1616	# need to save uniques path	2249	# need to save uniques path
1617	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2254	if $uniq;
1622	}	2255	}
1623		2256
1624	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1625		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2261	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2262
1630	$self->unlink_save;	2263	$self->unlink_save;
1631	$self->destroy;	2264	$self->destroy;
1632	}	2265	}
1633		2266
1634	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1635		2268
1636	sub nuke {	2269	sub nuke {
1637	my ($self) = @_;	2270	my ($self) = @_;
1638		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1639	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1640		2276
1641	$self->unlink_save;	2277	$self->unlink_save;
1642		2278
1643	bless $self, "cf::map";	2279	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2284
1649	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1650		2287
1651	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
		2289	}
		2290
		2291	=item $maps = cf::map::tmp_maps
		2292
		2293	Returns an arrayref with all map paths of currently instantiated and saved
		2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
		2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
		2308
		2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1652	}	2325	}
1653		2326
1654	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1655		2328
1656	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2330	instantiated unique items. May block.
1658		2331
1659	=cut	2332	=cut
1660		2333
1661	sub unique_maps() {	2334	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1663	or return;	2336	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2337	utf8::decode $_;
1669	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2340	? ()
1672	push @paths, cf::map::normalise $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2343	]
1674
1675	\@paths
1676	}	2344	}
1677
1678	package cf;
1679		2345
1680	=back	2346	=back
1681		2347
1682	=head3 cf::object	2348	=head3 cf::object
1683		2349
…		…
1687		2353
1688	=over 4	2354	=over 4
1689		2355
1690	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1691		2357
1692	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1693		2360
1694	=cut	2361	=cut
1695		2362
1696	sub inv_recursive_;	2363	sub inv_recursive_;
1697	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1700		2367
1701	sub inv_recursive {	2368	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1703	}	2370	}
1704		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1705	package cf;	2400	package cf;
1706		2401
1707	=back	2402	=back
1708		2403
1709	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1718		2413
1719	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1720		2429
1721	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2431	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1726		2435
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2437
1729	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1731	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1734	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1735	}	2463	}
1736		2464
1737	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1738		2466
1739	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1752		2480
1753	=item $player_object->enter_link	2481	=item $player_object->enter_link
1754		2482
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2484
1757	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
1759		2489
1760	Will never block.	2490	Will never block.
1761		2491
1762	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1763		2493
…		…
1786	$self->deactivate_recursive;	2516	$self->deactivate_recursive;
1787		2517
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2518	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2519
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2520	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2521	if $self->map && $self->map->{path} ne "{link}";
1792		2522
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2523	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2524	}
1795		2525
1796	sub cf::object::player::leave_link {	2526	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2527	my ($self, $map, $x, $y) = @_;
		2528
		2529	return unless $self->contr->active;
1798		2530
1799	my $link_pos = delete $self->{_link_pos};	2531	my $link_pos = delete $self->{_link_pos};
1800		2532
1801	unless ($map) {	2533	unless ($map) {
1802	# restore original map position	2534	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1819		2551
1820	$map->load;	2552	$map->load;
1821	$map->load_diag;	2553	$map->load_neighbours;
1822		2554
1823	return unless $self->contr->active;	2555	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2556
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1828	}
1829		2559
1830	cf::player->attach (	2560	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2561	$self->activate_recursive;
1832	my ($pl) = @_;	2562	}
1833		2563
1834	# abort map switching before logout	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2565
1844	# try to abort aborted map switching on player login :)	2566	Moves the player to the given map-path and coordinates by first freezing
1845	# should happen only on crashes	2567	her, loading and preparing them map, calling the provided $check callback
1846	if ($pl->ob->{_link_pos}) {	2568	that has to return the map if sucecssful, and then unfreezes the player on
1847	$pl->ob->enter_link;	2569	the new (success) or old (failed) map position. In either case, $done will
1848	(async {	2570	be called at the end of this process.
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2571
1862	=item $player_object->goto ($path, $x, $y)	2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
1863		2574
1864	=cut	2575	=cut
		2576
		2577	our $GOTOGEN;
1865		2578
1866	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
		2581
		2582	# do generation counting so two concurrent goto's will be executed in-order
		2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2584
1869	$self->enter_link;	2585	$self->enter_link;
1870		2586
1871	(async {	2587	(async {
		2588	$Coro::current->{desc} = "player::goto $path $x $y";
		2589
		2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
1872	my $map = eval {	2609	my $map = eval {
1873	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
		2611
		2612	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2613	$map = $map->customise_for ($self);
		2614	$map = $check->($map) if $check && $map;
		2615	} else {
		2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618
1875	$map	2619	$map
		2620	};
		2621
		2622	if ($@) {
		2623	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2625	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2626
		2627	if ($gen == $self->{_goto_generation}) {
		2628	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
		2630	}
		2631
		2632	$done->() if $done;
1880	})->prio (1);	2633	})->prio (1);
1881	}	2634	}
1882		2635
1883	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1884		2637
…		…
1904	}	2657	}
1905		2658
1906	sub prepare_random_map {	2659	sub prepare_random_map {
1907	my ($exit) = @_;	2660	my ($exit) = @_;
1908		2661
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2664	# that depends on the exit object
1914		2665
1915	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2668	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
1922	}	2675	}
1923		2676
1924	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
1925		2678
1926	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
1929		2682
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2685	undef $fh;
1933	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
1934		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
1937	}	2694	}
1938	}	2695	}
1939		2696
1940	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
1942		2699
1943	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
1944		2701
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2702	$self->enter_link;
1955		2703
1956	(async {	2704	(async {
1957	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
1958	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
1959	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
1960		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
1961	1;	2728	1
1962	}) {	2729	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2734
1968	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2736	$self->leave_link;
1970	}	2737	}
1971	})->prio (1);	2738	})->prio (1);
…		…
1987		2754
1988	utf8::encode $text;	2755	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2757	}
1991		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/identify" => {
		2771	id => "infobox",
		2772	title => "Identify",
		2773	reply => undef,
		2774	tooltip => "Items recently identified",
		2775	},
		2776	"c/examine" => {
		2777	id => "infobox",
		2778	title => "Examine",
		2779	reply => undef,
		2780	tooltip => "Signs and other items you examined",
		2781	},
		2782	"c/book" => {
		2783	id => "infobox",
		2784	title => "Book",
		2785	reply => undef,
		2786	tooltip => "The contents of a note or book",
		2787	},
		2788	"c/lookat" => {
		2789	id => "infobox",
		2790	title => "Look",
		2791	reply => undef,
		2792	tooltip => "What you saw there",
		2793	},
		2794	"c/who" => {
		2795	id => "infobox",
		2796	title => "Players",
		2797	reply => undef,
		2798	tooltip => "Shows players who are currently online",
		2799	},
		2800	"c/body" => {
		2801	id => "infobox",
		2802	title => "Body Parts",
		2803	reply => undef,
		2804	tooltip => "Shows which body parts you posess and are available",
		2805	},
		2806	"c/statistics" => {
		2807	id => "infobox",
		2808	title => "Statistics",
		2809	reply => undef,
		2810	tooltip => "Shows your primary statistics",
		2811	},
		2812	"c/skills" => {
		2813	id => "infobox",
		2814	title => "Skills",
		2815	reply => undef,
		2816	tooltip => "Shows your experience per skill and item power",
		2817	},
		2818	"c/shopitems" => {
		2819	id => "infobox",
		2820	title => "Shop Items",
		2821	reply => undef,
		2822	tooltip => "Shows the items currently for sale in this shop",
		2823	},
		2824	"c/resistances" => {
		2825	id => "infobox",
		2826	title => "Resistances",
		2827	reply => undef,
		2828	tooltip => "Shows your resistances",
		2829	},
		2830	"c/pets" => {
		2831	id => "infobox",
		2832	title => "Pets",
		2833	reply => undef,
		2834	tooltip => "Shows information abotu your pets/a specific pet",
		2835	},
		2836	"c/perceiveself" => {
		2837	id => "infobox",
		2838	title => "Perceive Self",
		2839	reply => undef,
		2840	tooltip => "You gained detailed knowledge about yourself",
		2841	},
		2842	"c/uptime" => {
		2843	id => "infobox",
		2844	title => "Uptime",
		2845	reply => undef,
		2846	tooltip => "How long the server has been running since last restart",
		2847	},
		2848	"c/mapinfo" => {
		2849	id => "infobox",
		2850	title => "Map Info",
		2851	reply => undef,
		2852	tooltip => "Information related to the maps",
		2853	},
		2854	"c/party" => {
		2855	id => "party",
		2856	title => "Party",
		2857	reply => "gsay ",
		2858	tooltip => "Messages and chat related to your party",
		2859	},
		2860	"c/death" => {
		2861	id => "death",
		2862	title => "Death",
		2863	reply => undef,
		2864	tooltip => "Reason for and more info about your most recent death",
		2865	},
		2866	"c/say" => $SAY_CHANNEL,
		2867	"c/chat" => $CHAT_CHANNEL,
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg)
		2874	unless $color & cf::NDI_VERBATIM;
		2875
		2876	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2877
		2878	# check predefined channels, for the benefit of C
		2879	if ($CHANNEL{$channel}) {
		2880	$channel = $CHANNEL{$channel};
		2881
		2882	$self->ext_msg (channel_info => $channel);
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel);
		2890	}
		2891
		2892	$channel = $channel->{id};
		2893	}
		2894
		2895	return unless @extra || length $msg;
		2896
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	my $pkt = "msg "
		2902	. $self->{json_coder}->encode (
		2903	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2904	);
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if (8192 < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->ext_msg ($type, @msg)
		2920
		2921	Sends an ext event to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_msg($$@) {
		2926	my ($self, $type, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2930	} elsif ($self->extcmd == 1) { # TODO: remove
		2931	push @msg, msgtype => "event_$type";
		2932	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2933	}
		2934	}
		2935
		2936	=item $client->ext_reply ($msgid, @msg)
		2937
		2938	Sends an ext reply to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_reply($$@) {
		2943	my ($self, $id, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2947	} elsif ($self->extcmd == 1) {
		2948	#TODO: version 1, remove
		2949	unshift @msg, msgtype => "reply", msgid => $id;
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
1992		2953
1993	=item $success = $client->query ($flags, "text", \&cb)	2954	=item $success = $client->query ($flags, "text", \&cb)
1994		2955
1995	Queues a query to the client, calling the given callback with	2956	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2957	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2958	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2959
1999	Queries can fail, so check the return code. Or don't, as queries will become	2960	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2961	become reliable at some point in the future.
2001		2962
2002	=cut	2963	=cut
2003		2964
2004	sub cf::client::query {	2965	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2966	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2974	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2975	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2976
2016	$self->send_packet ($self->{query_queue}[0][0])	2977	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2978	if @{ $self->{query_queue} } == 1;
		2979
		2980	1
2018	}	2981	}
2019		2982
2020	cf::client->attach (	2983	cf::client->attach (
		2984	on_connect => sub {
		2985	my ($ns) = @_;
		2986
		2987	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2988	},
2021	on_reply => sub {	2989	on_reply => sub {
2022	my ($ns, $msg) = @_;	2990	my ($ns, $msg) = @_;
2023		2991
2024	# this weird shuffling is so that direct followup queries	2992	# this weird shuffling is so that direct followup queries
2025	# get handled first	2993	# get handled first
…		…
2037	} else {	3005	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3006	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3007	}
2040	}	3008	}
2041	},	3009	},
		3010	on_exticmd => sub {
		3011	my ($ns, $buf) = @_;
		3012
		3013	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3014
		3015	if (ref $msg) {
		3016	my ($type, $reply, @payload) =
		3017	"ARRAY" eq ref $msg
		3018	? @$msg
		3019	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3020
		3021	my @reply;
		3022
		3023	if (my $cb = $EXTICMD{$type}) {
		3024	@reply = $cb->($ns, @payload);
		3025	}
		3026
		3027	$ns->ext_reply ($reply, @reply)
		3028	if $reply;
		3029
		3030	} else {
		3031	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3032	}
		3033
		3034	cf::override;
		3035	},
2042	);	3036	);
2043		3037
2044	=item $client->async (\&cb)	3038	=item $client->async (\&cb)
2045		3039
2046	Create a new coroutine, running the specified callback. The coroutine will	3040	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3081	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3082	our $safe_hole = new Safe::Hole;
2089		3083
2090	$SIG{FPE} = 'IGNORE';	3084	$SIG{FPE} = 'IGNORE';
2091		3085
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3086	$safe->permit_only (Opcode::opset qw(
		3087	:base_core :base_mem :base_orig :base_math
		3088	grepstart grepwhile mapstart mapwhile
		3089	sort time
		3090	));
2093		3091
2094	# here we export the classes and methods available to script code	3092	# here we export the classes and methods available to script code
2095		3093
2096	=pod	3094	=pod
2097		3095
2098	The following functions and methods are available within a safe environment:	3096	The following functions and methods are available within a safe environment:
2099		3097
2100	cf::object contr pay_amount pay_player map	3098	cf::object
		3099	contr pay_amount pay_player map x y force_find force_add destroy
		3100	insert remove name archname title slaying race decrease split
		3101	value
		3102
2101	cf::object::player player	3103	cf::object::player
2102	cf::player peaceful	3104	player
2103	cf::map trigger	3105
		3106	cf::player
		3107	peaceful
		3108
		3109	cf::map
		3110	trigger
2104		3111
2105	=cut	3112	=cut
2106		3113
2107	for (	3114	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3115	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3116	insert remove inv nrof name archname title slaying race
		3117	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3118	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3119	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3120	["cf::map" => qw(trigger)],
2112	) {	3121	) {
2113	no strict 'refs';	3122	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3123	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2132	my ($code, %vars) = @_;	3141	my ($code, %vars) = @_;
2133		3142
2134	my $qcode = $code;	3143	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3144	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3145	$qcode =~ s/\n/\\n/g;
		3146
		3147	%vars = (_dummy => 0) unless %vars;
2137		3148
2138	local $_;	3149	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;	3150	local @safe::cf::_safe_eval_args = values %vars;
2140		3151
2141	my $eval =	3152	my $eval =
…		…
2184	=back	3195	=back
2185		3196
2186	=cut	3197	=cut
2187		3198
2188	#############################################################################	3199	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3200	# the server's init and main functions
2262		3201
2263	sub load_faces {	3202	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3203	my ($path) = @_;
2265		3204
		3205	# HACK to clear player env face cache, we need some signal framework
		3206	# for this (global event?)
		3207	%ext::player_env::MUSIC_FACE_CACHE = ();
		3208
		3209	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3210
2266	warn "loading faces from $path\n";	3211	warn "loading facedata from $path\n";
2267		3212
2268	my $faces;	3213	my $facedata;
2269	0 < aio_load $path, $faces	3214	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3215	or die "$path: $!";
2271		3216
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3217	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3218
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3219	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3220	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3221
		3222	# patch in the exptable
		3223	$facedata->{resource}{"res/exp_table"} = {
		3224	type => FT_RSRC,
		3225	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3226	};
		3227	cf::cede_to_tick;
		3228
		3229	{
		3230	my $faces = $facedata->{faceinfo};
		3231
2280	while (my ($face, $info) = each %$faces) {	3232	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3233	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3234
		3235	cf::face::set_visibility $idx, $info->{visibility};
		3236	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3237	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3238	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3239
		3240	cf::cede_to_tick;
		3241	}
		3242
2287	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3244	next unless $info->{smooth};
		3245
2289	my $idx = cf::face::find $face	3246	my $idx = cf::face::find $face
2290	or next;	3247	or next;
		3248
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3249	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3250	cf::face::set_smooth $idx, $smooth;
		3251	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3252	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3253	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3254	}
2296	Coro::cede;	3255
		3256	cf::cede_to_tick;
		3257	}
		3258	}
		3259
2297	}	3260	{
		3261	my $anims = $facedata->{animinfo};
		3262
		3263	while (my ($anim, $info) = each %$anims) {
		3264	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3265	cf::cede_to_tick;
		3266	}
		3267
		3268	cf::anim::invalidate_all; # d'oh
		3269	}
		3270
		3271	{
		3272	# TODO: for gcfclient pleasure, we should give resources
		3273	# that gcfclient doesn't grok a >10000 face index.
		3274	my $res = $facedata->{resource};
		3275
		3276	while (my ($name, $info) = each %$res) {
		3277	if (defined $info->{type}) {
		3278	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3279	my $data;
		3280
		3281	if ($info->{type} & 1) {
		3282	# prepend meta info
		3283
		3284	my $meta = $enc->encode ({
		3285	name => $name,
		3286	%{ $info->{meta} || {} },
		3287	});
		3288
		3289	$data = pack "(w/a*)*", $meta, $info->{data};
		3290	} else {
		3291	$data = $info->{data};
		3292	}
		3293
		3294	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3295	cf::face::set_type $idx, $info->{type};
		3296	} else {
		3297	$RESOURCE{$name} = $info;
		3298	}
		3299
		3300	cf::cede_to_tick;
		3301	}
		3302	}
		3303
		3304	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3305
2299	1	3306	1
2300	}	3307	}
2301		3308
		3309	cf::global->attach (on_resource_update => sub {
		3310	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3311	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3312
		3313	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3314	my $sound = $soundconf->{compat}[$_]
		3315	or next;
		3316
		3317	my $face = cf::face::find "sound/$sound->[1]";
		3318	cf::sound::set $sound->[0] => $face;
		3319	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3320	}
		3321
		3322	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3323	my $face = cf::face::find "sound/$v";
		3324	cf::sound::set $k => $face;
		3325	}
		3326	}
		3327	});
		3328
		3329	register_exticmd fx_want => sub {
		3330	my ($ns, $want) = @_;
		3331
		3332	while (my ($k, $v) = each %$want) {
		3333	$ns->fx_want ($k, $v);
		3334	}
		3335	};
		3336
		3337	sub load_resource_file($) {
		3338	my $guard = lock_acquire "load_resource_file";
		3339
		3340	my $status = load_resource_file_ $_[0];
		3341	get_slot 0.1, 100;
		3342	cf::arch::commit_load;
		3343
		3344	$status
		3345	}
		3346
		3347	sub reload_regions {
		3348	# HACK to clear player env face cache, we need some signal framework
		3349	# for this (global event?)
		3350	%ext::player_env::MUSIC_FACE_CACHE = ();
		3351
		3352	load_resource_file "$MAPDIR/regions"
		3353	or die "unable to load regions file\n";
		3354
		3355	for (cf::region::list) {
		3356	$_->{match} = qr/$_->{match}/
		3357	if exists $_->{match};
		3358	}
		3359	}
		3360
		3361	sub reload_facedata {
		3362	load_facedata "$DATADIR/facedata"
		3363	or die "unable to load facedata\n";
		3364	}
		3365
		3366	sub reload_archetypes {
		3367	load_resource_file "$DATADIR/archetypes"
		3368	or die "unable to load archetypes\n";
		3369	}
		3370
		3371	sub reload_treasures {
		3372	load_resource_file "$DATADIR/treasures"
		3373	or die "unable to load treasurelists\n";
		3374	}
		3375
2302	sub reload_resources {	3376	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3377	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3378
2305	load_faces	3379	reload_facedata;
2306	or die "unable to load faces\n";#d#	3380	reload_archetypes;
2307	}
2308
2309	sub init {
2310	reload_resources;	3381	reload_regions;
2311	}	3382	reload_treasures;
2312		3383
2313	sub cfg_load {	3384	warn "finished reloading resource files\n";
		3385	}
		3386
		3387	sub reload_config {
		3388	warn "reloading config file...\n";
		3389
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3390	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3391	or return;
2316		3392
2317	local $/;	3393	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3394	*CFG = YAML::XS::Load scalar <$fh>;
2319		3395
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3396	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3397
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3398	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3399	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3403	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2328	and die "WARNING: m(un)lockall failed: $!\n";	3404	and die "WARNING: m(un)lockall failed: $!\n";
2329	};	3405	};
2330	warn $@ if $@;	3406	warn $@ if $@;
2331	}	3407	}
		3408
		3409	warn "finished reloading resource files\n";
		3410	}
		3411
		3412	sub pidfile() {
		3413	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3414	or die "$PIDFILE: $!";
		3415	flock $fh, &Fcntl::LOCK_EX
		3416	or die "$PIDFILE: flock: $!";
		3417	$fh
		3418	}
		3419
		3420	# make sure only one server instance is running at any one time
		3421	sub atomic {
		3422	my $fh = pidfile;
		3423
		3424	my $pid = <$fh>;
		3425	kill 9, $pid if $pid > 0;
		3426
		3427	seek $fh, 0, 0;
		3428	print $fh $$;
		3429	}
		3430
		3431	sub main_loop {
		3432	warn "EV::loop starting\n";
		3433	if (1) {
		3434	EV::loop;
		3435	}
		3436	warn "EV::loop returned\n";
		3437	goto &main_loop unless $REALLY_UNLOOP;
2332	}	3438	}
2333		3439
2334	sub main {	3440	sub main {
		3441	cf::init_globals; # initialise logging
		3442
		3443	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3444	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3445	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3446	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3447
		3448	cf::init_experience;
		3449	cf::init_anim;
		3450	cf::init_attackmess;
		3451	cf::init_dynamic;
		3452
		3453	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3454
2335	# we must not ever block the main coroutine	3455	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3456	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3457	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3458	(async {
2339	Event::one_event;	3459	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3460	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3461	})->prio (Coro::PRIO_MAX);
2341	};	3462	};
2342		3463
2343	cfg_load;	3464	evthread_start IO::AIO::poll_fileno;
		3465
		3466	cf::sync_job {
		3467	reload_resources;
		3468	reload_config;
2344	db_init;	3469	db_init;
		3470
		3471	cf::load_settings;
		3472	cf::load_materials;
		3473	cf::init_uuid;
		3474	cf::init_signals;
		3475	cf::init_commands;
		3476	cf::init_skills;
		3477
		3478	cf::init_beforeplay;
		3479
		3480	atomic;
		3481
2345	load_extensions;	3482	load_extensions;
2346		3483
2347	$TICK_WATCHER->start;	3484	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3485
		3486	# no (long-running) fork's whatsoever before this point(!)
		3487	use POSIX ();
		3488	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3489
		3490	(pop @POST_INIT)->(0) while @POST_INIT;
		3491	};
		3492
		3493	main_loop;
2349	}	3494	}
2350		3495
2351	#############################################################################	3496	#############################################################################
2352	# initialisation and cleanup	3497	# initialisation and cleanup
2353		3498
2354	# install some emergency cleanup handlers	3499	# install some emergency cleanup handlers
2355	BEGIN {	3500	BEGIN {
		3501	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3502	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3503	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3504	cf::cleanup "SIG$signal";
2364	},
2365	);	3505	};
		3506	}
		3507	}
		3508
		3509	sub write_runtime_sync {
		3510	# first touch the runtime file to show we are still running:
		3511	# the fsync below can take a very very long time.
		3512
		3513	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3514
		3515	my $guard = cf::lock_acquire "write_runtime";
		3516
		3517	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = $cf::RUNTIME + 90 + 10;
		3521	# 10 is the runtime save interval, for a monotonic clock
		3522	# 60 allows for the watchdog to kill the server.
		3523
		3524	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3525	and return;
		3526
		3527	# always fsync - this file is important
		3528	aio_fsync $fh
		3529	and return;
		3530
		3531	# touch it again to show we are up-to-date
		3532	aio_utime $fh, undef, undef;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3538	and return;
		3539
		3540	warn "runtime file written.\n";
		3541
2366	}	3542	1
		3543	}
		3544
		3545	our $uuid_lock;
		3546	our $uuid_skip;
		3547
		3548	sub write_uuid_sync($) {
		3549	$uuid_skip ||= $_[0];
		3550
		3551	return if $uuid_lock;
		3552	local $uuid_lock = 1;
		3553
		3554	my $uuid = "$LOCALDIR/uuid";
		3555
		3556	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3557	or return;
		3558
		3559	my $value = uuid_seq uuid_cur;
		3560
		3561	unless ($value) {
		3562	warn "cowardly refusing to write zero uuid value!\n";
		3563	return;
		3564	}
		3565
		3566	my $value = uuid_str $value + $uuid_skip;
		3567	$uuid_skip = 0;
		3568
		3569	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3570	and return;
		3571
		3572	# always fsync - this file is important
		3573	aio_fsync $fh
		3574	and return;
		3575
		3576	close $fh
		3577	or return;
		3578
		3579	aio_rename "$uuid~", $uuid
		3580	and return;
		3581
		3582	warn "uuid file written ($value).\n";
		3583
		3584	1
		3585
		3586	}
		3587
		3588	sub write_uuid($$) {
		3589	my ($skip, $sync) = @_;
		3590
		3591	$sync ? write_uuid_sync $skip
		3592	: async { write_uuid_sync $skip };
2367	}	3593	}
2368		3594
2369	sub emergency_save() {	3595	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3596	my $freeze_guard = cf::freeze_mainloop;
2371		3597
2372	warn "enter emergency perl save\n";	3598	warn "emergency_perl_save: enter\n";
2373		3599
2374	cf::sync_job {	3600	cf::sync_job {
		3601	# this is a trade-off: we want to be very quick here, so
		3602	# save all maps without fsync, and later call a global sync
		3603	# (which in turn might be very very slow)
		3604	local $USE_FSYNC = 0;
		3605
2375	# use a peculiar iteration method to avoid tripping on perl	3606	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3607	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3608	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3609	warn "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3610	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3611	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3612	$pl->valid or next;
		3613	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3614	$pl->save;
2383	}	3615	}
2384	warn "end emergency player save\n";	3616	warn "emergency_perl_save: end player save\n";
2385		3617
2386	warn "begin emergency map save\n";	3618	warn "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3619	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3620	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3621	$map->valid or next;
2390	$map->save;	3622	$map->save;
2391	}	3623	}
2392	warn "end emergency map save\n";	3624	warn "emergency_perl_save: end map save\n";
2393		3625
2394	warn "begin emergency database checkpoint\n";	3626	warn "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3627	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3628	warn "emergency_perl_save: end database checkpoint\n";
		3629
		3630	warn "emergency_perl_save: begin write uuid\n";
		3631	write_uuid_sync 1;
		3632	warn "emergency_perl_save: end write uuid\n";
2397	};	3633	};
2398		3634
		3635	warn "emergency_perl_save: starting sync()\n";
		3636	IO::AIO::aio_sync sub {
		3637	warn "emergency_perl_save: finished sync()\n";
		3638	};
		3639
2399	warn "leave emergency perl save\n";	3640	warn "emergency_perl_save: leave\n";
2400	}	3641	}
2401		3642
2402	sub post_cleanup {	3643	sub post_cleanup {
2403	my ($make_core) = @_;	3644	my ($make_core) = @_;
2404		3645
2405	warn Carp::longmess "post_cleanup backtrace"	3646	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3647	if $make_core;
2407	}
2408		3648
		3649	my $fh = pidfile;
		3650	unlink $PIDFILE if <$fh> == $$;
		3651	}
		3652
		3653	# a safer delete_package, copied from Symbol
		3654	sub clear_package($) {
		3655	my $pkg = shift;
		3656
		3657	# expand to full symbol table name if needed
		3658	unless ($pkg =~ /^main::.*::$/) {
		3659	$pkg = "main$pkg" if $pkg =~ /^::/;
		3660	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3661	$pkg .= '::' unless $pkg =~ /::$/;
		3662	}
		3663
		3664	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3665	my $stem_symtab = *{$stem}{HASH};
		3666
		3667	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3668	or return;
		3669
		3670	# clear all symbols
		3671	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3672	for my $name (keys %$leaf_symtab) {
		3673	_gv_clear *{"$pkg$name"};
		3674	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3675	}
		3676	warn "cleared package $pkg\n";#d#
		3677	}
		3678
2409	sub reload() {	3679	sub do_reload_perl() {
2410	# can/must only be called in main	3680	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3681	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3682	warn "can only reload from main coroutine";
2413	return;	3683	return;
2414	}	3684	}
2415		3685
		3686	return if $RELOAD++;
		3687
		3688	my $t1 = EV::time;
		3689
		3690	while ($RELOAD) {
2416	warn "reloading...";	3691	warn "reloading...";
2417		3692
2418	warn "entering sync_job";	3693	warn "entering sync_job";
2419		3694
2420	cf::sync_job {	3695	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3696	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3697	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3698	cf::write_runtime_sync; # external watchdog should not bark
2424		3699
2425	warn "syncing database to disk";	3700	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3701	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3702
2428	# if anything goes wrong in here, we should simply crash as we already saved	3703	# if anything goes wrong in here, we should simply crash as we already saved
2429		3704
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3705	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3706	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3707	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3708	}
2466		3709
2467	warn "... nuking $pkg";	3710	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3711	$_->cancel for values %EXT_CORO;
2469	}	3712	%EXT_CORO = ();
2470		3713
2471	warn "unloading all perl modules loaded from $LIBDIR";	3714	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3715	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3716
		3717	warn "removing ext/exti commands";
		3718	%EXTCMD = ();
		3719	%EXTICMD = ();
		3720
		3721	warn "unloading/nuking all extensions";
		3722	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3723	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3724
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3725	if (my $cb = $pkg->can ("unload")) {
		3726	eval {
2482	$cb->();	3727	$cb->($pkg);
		3728	1
		3729	} or warn "$pkg unloaded, but with errors: $@";
		3730	}
		3731
		3732	warn "... clearing $pkg";
		3733	clear_package $pkg;
2483	}	3734	}
2484		3735
2485	Symbol::delete_package $k;	3736	warn "unloading all perl modules loaded from $LIBDIR";
		3737	while (my ($k, $v) = each %INC) {
		3738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3739
		3740	warn "... unloading $k";
		3741	delete $INC{$k};
		3742
		3743	$k =~ s/\.pm$//;
		3744	$k =~ s/\//::/g;
		3745
		3746	if (my $cb = $k->can ("unload_module")) {
		3747	$cb->();
		3748	}
		3749
		3750	clear_package $k;
2486	}	3751	}
2487		3752
2488	warn "getting rid of safe::, as good as possible";	3753	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3754	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3756
2492	warn "unloading cf.pm \"a bit\"";	3757	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3758	delete $INC{"cf.pm"};
		3759	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3760
2495	# don't, removes xs symbols, too,	3761	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3762	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3763	#clear_package __PACKAGE__;
2498		3764
2499	warn "unload completed, starting to reload now";	3765	warn "unload completed, starting to reload now";
2500		3766
2501	warn "reloading cf.pm";	3767	warn "reloading cf.pm";
2502	require cf;	3768	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3769	cf::_connect_to_perl_1;
2504		3770
2505	warn "loading config and database again";	3771	warn "loading config and database again";
2506	cf::cfg_load;	3772	cf::reload_config;
2507		3773
2508	warn "loading extensions";	3774	warn "loading extensions";
2509	cf::load_extensions;	3775	cf::load_extensions;
2510		3776
		3777	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3778	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3779	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3780	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3781	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3782	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3783	reattach $_ for values %PLAYER;
		3784	}
2517		3785
2518	warn "loading reloadable resources";	3786	warn "running post_init jobs";
2519	reload_resources;	3787	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3788
2521	warn "leaving sync_job";	3789	warn "leaving sync_job";
2522		3790
2523	1	3791	1
2524	} or do {	3792	} or do {
2525	warn $@;	3793	warn $@;
2526	warn "error while reloading, exiting.";	3794	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3795	};
		3796
		3797	warn "reloaded";
		3798	--$RELOAD;
		3799	}
		3800
		3801	$t1 = EV::time - $t1;
		3802	warn "reload completed in ${t1}s\n";
		3803	};
		3804
		3805	our $RELOAD_WATCHER; # used only during reload
		3806
		3807	sub reload_perl() {
		3808	# doing reload synchronously and two reloads happen back-to-back,
		3809	# coro crashes during coro_state_free->destroy here.
		3810
		3811	$RELOAD_WATCHER ||= cf::async {
		3812	Coro::AIO::aio_wait cache_extensions;
		3813
		3814	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3815	do_reload_perl;
		3816	undef $RELOAD_WATCHER;
		3817	};
2528	};	3818	};
2529		3819	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3820
2535	register_command "reload" => sub {	3821	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3822	my ($who, $arg) = @_;
2537		3823
2538	if ($who->flag (FLAG_WIZ)) {	3824	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3825	$who->message ("reloading server.");
2540		3826	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3827	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3828	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3829	};
2553	}	3830	}
2554	};	3831	};
2555		3832
2556	unshift @INC, $LIBDIR;	3833	unshift @INC, $LIBDIR;
2557		3834
2558	my $bug_warning = 0;	3835	my $bug_warning = 0;
2559		3836
2560	$TICK_WATCHER = Event->timer (	3837	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3838	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3839
2563	prio => 0,	3840	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3841	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3842
2566	cb => sub {	3843	my $signal = new Coro::Signal;
		3844	push @WAIT_FOR_TICK, $signal;
		3845	$signal->wait;
		3846	}
		3847
		3848	sub wait_for_tick_begin {
		3849	return if tick_inhibit || $Coro::current == $Coro::main;
		3850
		3851	my $signal = new Coro::Signal;
		3852	push @WAIT_FOR_TICK_BEGIN, $signal;
		3853	$signal->wait;
		3854	}
		3855
		3856	sub tick {
2567	if ($Coro::current != $Coro::main) {	3857	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3858	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3859	unless ++$bug_warning > 10;
2570	return;	3860	return;
2571	}	3861	}
2572		3862
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3863	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3864
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3865	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3866	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3867	Coro::async_pool {
		3868	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3869	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3870	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3871	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3872	}
2599	);	3873
		3874	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3875	$sig->send;
		3876	}
		3877	while (my $sig = shift @WAIT_FOR_TICK) {
		3878	$sig->send;
		3879	}
		3880
		3881	$LOAD = ($NOW - $TICK_START) / $TICK;
		3882	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3883
		3884	if (0) {
		3885	if ($NEXT_TICK) {
		3886	my $jitter = $TICK_START - $NEXT_TICK;
		3887	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3888	warn "jitter $JITTER\n";#d#
		3889	}
		3890	}
		3891	}
2600		3892
2601	{	3893	{
2602	BDB::max_poll_time $TICK * 0.1;	3894	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3895
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3896	BDB::min_parallel 8;
2612		3897	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3898	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3899
2628	unless ($DB_ENV) {	3900	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3901	$DB_ENV = BDB::db_env_create;
		3902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3903	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3904	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3905	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3906	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3907
2631	cf::sync_job {	3908	cf::sync_job {
2632	eval {	3909	eval {
2633	BDB::db_env_open	3910	BDB::db_env_open
2634	$DB_ENV,	3911	$DB_ENV,
2635	$BDB_ENV_DIR,	3912	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3915	0666;
2639		3916
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3918	};
2645		3919
2646	cf::cleanup "db_env_open(db): $@" if $@;	3920	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3921	};
2648	}	3922	}
		3923
		3924	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3925	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3926	};
		3927	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3928	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3929	};
		3930	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3931	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3932	};
2649	}	3933	}
2650		3934
2651	{	3935	{
		3936	# configure IO::AIO
		3937
2652	IO::AIO::min_parallel 8;	3938	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3939	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3940	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3941	}
		3942
		3943	my $_log_backtrace;
		3944
		3945	sub _log_backtrace {
		3946	my ($msg, @addr) = @_;
		3947
		3948	$msg =~ s/\n//;
		3949
		3950	# limit the # of concurrent backtraces
		3951	if ($_log_backtrace < 2) {
		3952	++$_log_backtrace;
		3953	my $perl_bt = Carp::longmess $msg;
		3954	async {
		3955	$Coro::current->{desc} = "abt $msg";
		3956
		3957	my @bt = fork_call {
		3958	@addr = map { sprintf "%x", $_ } @addr;
		3959	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3960	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3961	or die "addr2line: $!";
		3962
		3963	my @funcs;
		3964	my @res = <$fh>;
		3965	chomp for @res;
		3966	while (@res) {
		3967	my ($func, $line) = splice @res, 0, 2, ();
		3968	push @funcs, "[$func] $line";
		3969	}
		3970
		3971	@funcs
		3972	};
		3973
		3974	LOG llevInfo, "[ABT] $perl_bt\n";
		3975	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3976	LOG llevInfo, "[ABT] $_\n" for @bt;
		3977	--$_log_backtrace;
		3978	};
		3979	} else {
		3980	LOG llevInfo, "[ABT] $msg\n";
		3981	LOG llevInfo, "[ABT] [suppressed]\n";
		3982	}
		3983	}
		3984
		3985	# load additional modules
		3986	require "cf/$_.pm" for @EXTRA_MODULES;
		3987	cf::_connect_to_perl_2;
2665		3988
2666	END { cf::emergency_save }	3989	END { cf::emergency_save }
2667		3990
2668	1	3991	1
2669		3992

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