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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.243 by root, Mon Apr 16 13:02:29 2007 UTC vs.
Revision 1.484 by root, Mon Oct 12 14:00:58 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;
21	use Coro::Storable;	51	use Coro::Storable;
		52	use Coro::Util ();
22		53
		54	use JSON::XS 2.01 ();
23	use BDB ();	55	use BDB ();
24	use Data::Dumper;	56	use Data::Dumper;
25	use Digest::MD5;	57	use Digest::MD5;
26	use Fcntl;	58	use Fcntl;
27	use YAML::Syck ();	59	use YAML::XS ();
28	use IO::AIO 2.32 ();	60	use IO::AIO ();
29	use Time::HiRes;	61	use Time::HiRes;
30	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
31		66
32	# configure various modules to our taste	67	# configure various modules to our taste
33	#	68	#
34	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		77
38	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
39		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		80
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	115	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
69		124
70	our %CFG;	125	our %CFG;
71		126
72	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
74		130
75	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		134
81	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
84	binmode STDOUT;	148	binmode STDOUT;
85	binmode STDERR;	149	binmode STDERR;
86		150
87	# read virtual server time, if available	151	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
92	}	156	}
93		157
94	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	159
96	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		162
101	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
102		164
103	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		177
105	#############################################################################	178	#############################################################################
106		179
107	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
108		181
…		…
115	=item $cf::RUNTIME	188	=item $cf::RUNTIME
116		189
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	191	every server tick.
119		192
120	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		196
122	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
124		201
125	=item $cf::NOW	202	=item $cf::NOW
126		203
127	The time of the last (current) server tick.	204	The time of the last (current) server tick.
128		205
129	=item $cf::TICK	206	=item $cf::TICK
130		207
131	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
132		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
133	=item %cf::CFG	220	=item %cf::CFG
134		221
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	223	from wherever your confdir points to.
137		224
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		226
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
144	=back	243	=back
145		244
146	=cut	245	=cut
147		246
148	BEGIN {	247	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	248	my $msg = join "", @_;
151	utf8::encode $msg;
152		249
153	$msg .= "\n"	250	$msg .= "\n"
154	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
155		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
156	LOG llevError, $msg;	255	LOG llevError, $msg;
157	};	256	};
158	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
159		271
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		279
167	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	281	# within the Safe compartment.
169	for my $pkg (qw(	282	for my $pkg (qw(
170	cf::global cf::attachable	283	cf::global cf::attachable
171	cf::object cf::object::player	284	cf::object cf::object::player
172	cf::client cf::player	285	cf::client cf::player
173	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
174	cf::map cf::party cf::region	288	cf::party cf::region
175	)) {	289	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	291	}
179		292
180	$Event::DIED = sub {	293	$EV::DIED = sub {
181	warn "error in event callback: @_";	294	warn "error in event callback: @_";
182	};	295	};
		296
		297	#############################################################################
183		298
184	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
185		300
186	=over 4	301	=over 4
187		302
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	322	$d
208	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
209	}	324	}
210		325
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
214		327
215	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
216		329
217	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
218		331
219	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
220		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
221	=item cf::lock_wait $string	355	=item cf::lock_wait $string
222		356
223	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
224		358
225	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
226		360
227	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
230	returned.	364	returned.
231		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
232	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
234		371
235	=cut	372	=item $locked = cf::lock_active $string
236		373
237	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
238		379
239	sub lock_wait($) {	380	sub lock_wait($) {
240	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	382	}
248		383
249	sub lock_acquire($) {	384	sub lock_acquire($) {
250	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
251		387
252	# wait, to be sure we are not locked	388	sub lock_active($) {
253	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	390	}
262		391
263	sub freeze_mainloop {	392	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
265		394
266	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
268	};	456	}
269	$TICK_WATCHER->stop;	457	};
270	$guard	458
		459	sub get_slot($;$$) {
		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	$sig->wait;
271	}	471	}
272		472
273	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
274		474
275	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		480
281	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
282		482
283	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
284		484
285	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
288		489
289	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
292	fast or be very important.	493	fast or be very important.
…		…
295		496
296	sub sync_job(&) {	497	sub sync_job(&) {
297	my ($job) = @_;	498	my ($job) = @_;
298		499
299	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
300	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
302		505
303	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	507
305	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
306		509
307	my $busy = 1;	510	my $busy = 1;
308	my @res;	511	my @res;
309		512
310	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	515	@res = eval { $job->() };
312	warn $@ if $@;	516	warn $@ if $@;
313	undef $busy;	517	undef $busy;
314	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
315		519
316	while ($busy) {	520	while ($busy) {
317	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
318	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
319		531
320	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
321	} else {	533	} else {
322	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
323		535
…		…
343	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
344		556
345	$coro	557	$coro
346	}	558	}
347		559
348	sub write_runtime {	560	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		561
351	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.
352		566
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
354	or return;
355		568
356	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		571
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
361	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
362		575
363	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	577	reset_signals;
365	and return;	578	&$cb
		579	}, @args;
366		580
367	close $fh	581	wantarray ? @res : $res[-1]
368	or return;	582	}
369		583
370	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
371	and return;
372		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
373	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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"
374	}	736	}
375		737
376	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
377		739
378	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		752
391	#############################################################################	753	#############################################################################
392		754
393	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
394		756
395	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
396	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")
397	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
398		760
399	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>
400	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
401	crossfire+).	763	Deliantra).
402		764
403	=over 4	765	=over 4
404		766
405	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
406		768
…		…
450	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
451		813
452	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
454		816
455	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
457		819
458	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
459		821
460	=over 4	822	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
570		932
571	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		937
576	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	939	my $pkg = shift @arg;
578		940
579	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
609	}	971	}
610		972
611	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
612	} else {	974	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	976	}
615		977
616	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
617	}	979	}
618		980
…		…
620	if (ref $_[0]) {	982	if (ref $_[0]) {
621	_object_attach @_;	983	_object_attach @_;
622	} else {	984	} else {
623	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
624	}	986	}
		987	_recalc_want;
625	};	988	};
626		989
627	# all those should be optimised	990	# all those should be optimised
628	sub cf::attachable::detach {	991	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
633	reattach ($obj);	996	reattach ($obj);
634	} else {	997	} else {
635	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
636	}	999	}
		1000	_recalc_want;
637	};	1001	};
638		1002
639	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
641		1005
…		…
656	";	1020	";
657	die if $@;	1021	die if $@;
658	}	1022	}
659		1023
660	our $override;	1024	our $override;
661	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?
662		1026
663	sub override {	1027	sub override {
664	$override = 1;	1028	$override = 1;
665	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
666	}	1030	}
667		1031
668	sub do_invoke {	1032	sub do_invoke {
669	my $event = shift;	1033	my $event = shift;
670	my $callbacks = shift;	1034	my $callbacks = shift;
671		1035
672	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
673		1037
674	local $override;	1038	local $override;
675		1039
676	for (@$callbacks) {	1040	for (@$callbacks) {
677	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
686	}	1050	}
687		1051
688	0	1052	0
689	}	1053	}
690		1054
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1056
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1058
695	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
696		1060
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1064
701	=back	1065	=back
702		1066
703	=cut	1067	=cut
704		1068
705	#############################################################################	1069	#############################################################################
706	# 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, $ob2
		1112	}
707		1113
708	sub reattach {	1114	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1116	my ($obj) = @_;
711		1117
		1118	# no longer needed after getting rid of delete_package?
712	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
713		1120
714	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
715		1122
716	@$registry = ();	1123	@$registry = ();
717		1124
…		…
732	cf::attachable->attach (	1139	cf::attachable->attach (
733	prio => -1000000,	1140	prio => -1000000,
734	on_instantiate => sub {	1141	on_instantiate => sub {
735	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
736		1143
737	$data = from_json $data;	1144	$data = decode_json $data;
738		1145
739	for (@$data) {	1146	for (@$data) {
740	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
741		1148
742	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1165	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
760		1167
761	sync_job {	1168	sync_job {
762	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
765		1173
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1181	aio_close $fh;
771		1182
772	if (@$objs) {	1183	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1192	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
780	}	1194	}
781	} else {	1195	} else {
782	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
783	}	1197	}
784		1198
785	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1203	} else {
787	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
788	}	1205	}
789	} else {	1206	} else {
790	aio_unlink $filename;	1207	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
792	}	1209	}
793	}	1210	};
794	}	1211	}
795		1212
796	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
798		1215
…		…
810	or return;	1227	or return;
811		1228
812	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
814	or return;	1231	or return;
		1232
815	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
816	}	1235	}
817		1236
		1237	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
820	return ($data, $av);	1241	($data, $av)
821	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
822		1249
823	#############################################################################	1250	#############################################################################
824	# command handling &c	1251	# command handling &c
825		1252
826	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1267	}
841		1268
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1270
844	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.
845		1276
846	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
847	called.	1278	called.
848		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
849	=cut	1291	=cut
850		1292
851	sub register_extcmd {	1293	sub register_extcmd {
852	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
853		1295
854	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
855	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
856		1306
857	cf::player->attach (	1307	cf::player->attach (
858	on_command => sub {	1308	on_command => sub {
859	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
860		1310
…		…
868	cf::override;	1318	cf::override;
869	},	1319	},
870	on_extcmd => sub {	1320	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
872		1322
873	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1324
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
881	} else {	1340	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1342	}
884		1343
885	cf::override;	1344	cf::override;
886	},	1345	},
887	);	1346	);
888		1347
		1348	# "readahead" all extensions
889	sub load_extension {	1349	sub cache_extensions {
890	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
891		1351
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1355	}
917	die $@;
918	}	1356	};
919		1357
920	push @EXTS, $pkg;	1358	$grp
921	}	1359	}
922		1360
923	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
924	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1366	next unless -r $path;
926	eval {	1367
927	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	$progress = 1;
928	1	1424	}
929	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
930	}	1430	};
931	}	1431	}
932		1432
933	#############################################################################	1433	#############################################################################
934		1434
		1435	=back
		1436
935	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
936		1438
937	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
938		1440
939	=cut	1441	=cut
940		1442
941	package cf::player;	1443	package cf::player;
942		1444
…		…
944		1446
945	=head3 cf::player	1447	=head3 cf::player
946		1448
947	=over 4	1449	=over 4
948		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
949	=item cf::player::find $login	1465	=item cf::player::find $login
950		1466
951	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
952		1468
953	=cut	1469	=cut
954		1470
955	sub playerdir($) {	1471	sub playerdir($) {
956	cf::localdir	1472	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1474	}
962		1475
963	sub path($) {	1476	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1487
975	sub exists($) {	1488	sub exists($) {
976	my ($login) = @_;	1489	my ($login) = @_;
977		1490
978	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
980	}	1493	}
981		1494
982	sub find($) {	1495	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1497	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1507	aio_unlink +(playerdir $login) . "/$login.pl";
995		1508
996	my $pl = load_pl path $login	1509	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
999	}	1518	}
1000	}	1519	}
1001	}	1520	}
1002		1521
…		…
1011	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1012		1531
1013	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1015		1534
		1535	cf::get_slot 0.01;
		1536
1016	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1017	Coro::cede;	1538	cf::cede_to_tick;
1018	}	1539	}
1019		1540
1020	sub new($) {	1541	sub new($) {
1021	my ($login) = @_;	1542	my ($login) = @_;
1022		1543
…		…
1028	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1029		1550
1030	$self	1551	$self
1031	}	1552	}
1032		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
1033	=item $pl->quit_character	1564	=item $pl->quit_character
1034		1565
1035	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1037		1568
…		…
1041	my ($pl) = @_;	1572	my ($pl) = @_;
1042		1573
1043	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1044		1575
1045	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1046	$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
1047		1578
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1052		1585
1053	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1085		1618
1086	=cut	1619	=cut
1087		1620
1088	sub list_logins {	1621	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1623	or return [];
1091		1624
1092	my @logins;	1625	my @logins;
1093		1626
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1098		1637
1099	utf8::decode $login;	1638	utf8::decode $login;
1100	push @logins, $login;	1639	push @logins, $login;
1101	}	1640	}
1102		1641
…		…
1129	}	1668	}
1130		1669
1131	\@paths	1670	\@paths
1132	}	1671	}
1133		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1134	=item $player->ext_reply ($msgid, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1135		1678
1136	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1137		1680
1138	=cut	1681	=cut
1139		1682
1140	sub ext_reply($$%) {	1683	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1142		1685
1143	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1687	}
1147		1688
1148	=item $player->ext_event ($type, %msg)	1689	=item $player->ext_msg ($type, @msg)
1149		1690
1150	Sends an ext event to the client.	1691	Sends an ext event to the client.
1151		1692
1152	=cut	1693	=cut
1153		1694
1154	sub ext_event($$%) {	1695	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1696	my ($self, $type, @msg) = @_;
1156		1697
1157	$self->ns->ext_event ($type, %msg);	1698	$self->ns->ext_msg ($type, @msg);
1158	}	1699	}
1159		1700
1160	=head3 cf::region	1701	=head3 cf::region
1161		1702
1162	=over 4	1703	=over 4
…		…
1165		1706
1166	package cf::region;	1707	package cf::region;
1167		1708
1168	=item cf::region::find_by_path $path	1709	=item cf::region::find_by_path $path
1169		1710
1170	Tries to decuce the probable region for a map knowing only its path.	1711	Tries to decuce the likely region for a map knowing only its path.
1171		1712
1172	=cut	1713	=cut
1173		1714
1174	sub find_by_path($) {	1715	sub find_by_path($) {
1175	my ($path) = @_;	1716	my ($path) = @_;
1176		1717
1177	my ($match, $specificity);	1718	my ($match, $specificity);
1178		1719
1179	for my $region (list) {	1720	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1721	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1722	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1723	if $region->specificity > $specificity;
1183	}	1724	}
1184	}	1725	}
1185		1726
…		…
1206	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1208		1749
1209	sub generate_random_map {	1750	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1756	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1793	my ($self, $merge) = @_;
1250		1794
1251	# we have to keep some variables in memory intact	1795	# we have to keep some variables in memory intact
1252	local $self->{path};	1796	local $self->{path};
1253	local $self->{load_path};	1797	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1798
1257	$self->SUPER::thawer_merge ($merge);	1799	$self->SUPER::thawer_merge ($merge);
1258	}	1800	}
1259		1801
1260	sub normalise {	1802	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1849	$self->init; # pass $1 etc.
1308	return $self;	1850	return $self;
1309	}	1851	}
1310	}	1852	}
1311		1853
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1855	()
1314	}	1856	}
1315		1857
1316	sub init {	1858	sub init {
1317	my ($self) = @_;	1859	my ($self) = @_;
…		…
1332		1874
1333	# the original (read-only) location	1875	# the original (read-only) location
1334	sub load_path {	1876	sub load_path {
1335	my ($self) = @_;	1877	my ($self) = @_;
1336		1878
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1879	"$MAPDIR/$self->{path}.map"
1338	}	1880	}
1339		1881
1340	# the temporary/swap location	1882	# the temporary/swap location
1341	sub save_path {	1883	sub save_path {
1342	my ($self) = @_;	1884	my ($self) = @_;
1343		1885
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1887	"$TMPDIR/$path.map"
1346	}	1888	}
1347		1889
1348	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1349	sub uniq_path {	1891	sub uniq_path {
1350	my ($self) = @_;	1892	my ($self) = @_;
1351		1893
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1895	"$UNIQUEDIR/$path"
1354	}	1896	}
1355		1897
1356	# and all this just because we cannot iterate over	1898	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1899	my ($self) = @_;
1360		1900
1361	$_->change_map_light ($change)	1901	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1902
		1903	$self->do_decay_objects;
1363	}	1904	}
1364		1905
1365	sub unlink_save {	1906	sub unlink_save {
1366	my ($self) = @_;	1907	my ($self) = @_;
1367		1908
…		…
1372		1913
1373	sub load_header_from($) {	1914	sub load_header_from($) {
1374	my ($self, $path) = @_;	1915	my ($self, $path) = @_;
1375		1916
1376	utf8::encode $path;	1917	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1926
1383	$self->{load_path} = $path;	1927	$self->{load_path} = $path;
1384		1928
1385	1	1929	1
1386	}	1930	}
…		…
1425	$self->load_header_orig	1969	$self->load_header_orig
1426	or return;	1970	or return;
1427	$self->prepare_orig;	1971	$self->prepare_orig;
1428	}	1972	}
1429		1973
		1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
		1976
1430	$self->default_region (cf::region::find_by_path $self->{path})	1977	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1978	unless $self->default_region;
1432		1979
1433	1	1980	1
1434	}	1981	}
…		…
1437	sub find {	1984	sub find {
1438	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1439		1986
1440	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1441		1988
		1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1991
1444	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1447	or return;	1994	or return;
1448		1995
1449	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1450		1997
1451	$map->load_header	1998	$map->load_header
1452	or return;	1999	or return;
1453		2000
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1457	$map->reset;	2006	$map->reset;
1458	undef $guard;
1459	return find $path;	2007	return find $path;
1460	}	2008	}
1461		2009
1462	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
1463	}	2011	}
…		…
1470	my ($self) = @_;	2018	my ($self) = @_;
1471		2019
1472	local $self->{deny_reset} = 1; # loading can take a long time	2020	local $self->{deny_reset} = 1; # loading can take a long time
1473		2021
1474	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2025	my $guard = cf::lock_acquire "map_data:$path";
1476		2026
		2027	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2029
1479	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1480		2031
1481	$self->alloc;	2032	$self->alloc;
1482		2033
1483	$self->pre_load;	2034	$self->pre_load;
1484	Coro::cede;	2035	cf::cede_to_tick;
1485		2036
1486	$self->_load_objects ($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)
1487	or return;	2040	or return;
1488		2041
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1490	if delete $self->{load_original};	2043	if delete $self->{load_original};
1491		2044
1492	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2046	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2049	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1497	}	2053	}
1498	}	2054	}
1499		2055
1500	Coro::cede;	2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1501	# now do the right thing for maps	2059	# now do the right thing for maps
1502	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2062	unless $self->difficulty;
1513	Coro::cede;	2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1514	$self->activate;	2070	$self->activate;
1515	Coro::cede;	2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2077	}
1517		2078
1518	$self->post_load;	2079	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2080	}
1523		2081
1524	sub customise_for {	2082	sub customise_for {
1525	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1526		2084
1527	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2086	if $self->per_player;
1529		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1530	$self	2091	$self
1531	}	2092	}
1532		2093
1533	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2095	sub load_neighbours {
1535	my ($map) = @_;	2096	my ($map) = @_;
1536		2097
1537	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1538		2099
1539	for (0 .. 3) {	2100	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1541	or next;	2102	or next;
1542	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1543	or next;	2104	or next;
1544	$neigh->load;	2105	$neigh->load;
1545		2106
		2107	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2110	}
1549		2111
1550	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1552	or next;	2115	or next;
1553	$neigh->load;	2116	$neigh->load;
1554	}	2117	}
1555	}	2118	}
1556		2119
…		…
1561	}	2124	}
1562		2125
1563	sub do_load_sync {	2126	sub do_load_sync {
1564	my ($map) = @_;	2127	my ($map) = @_;
1565		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1566	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1567	}	2133	}
1568		2134
1569	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1571		2137
1572	sub find_async {	2138	sub find_async {
1573	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1574		2140
1575	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1576		2142
1577	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2145	}
1580		2146
1581	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1582	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1583	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2154	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2155	$map->load if $v;
		2156	}
1588		2157
1589	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1590	}	2159	}
1591	}	2160	}
1592	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1593	};	2162	};
1594	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2166	}
1598		2167
1599	sub save {	2168	sub save {
1600	my ($self) = @_;	2169	my ($self) = @_;
1601		2170
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2172
1604	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1605		2174
1606	return unless $self->dirty;	2175	return unless $self->dirty;
1607		2176
…		…
1613	return if $self->{deny_save};	2182	return if $self->{deny_save};
1614		2183
1615	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1616		2185
1617	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1619	};	2189	};
		2190
		2191	cf::get_slot 0.02;
1620		2192
1621	if ($uniq) {	2193	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2196	} else {
…		…
1630	my ($self) = @_;	2202	my ($self) = @_;
1631		2203
1632	# save first because save cedes	2204	# save first because save cedes
1633	$self->save;	2205	$self->save;
1634		2206
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2208
1637	return if $self->players;	2209	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2211	return if $self->{deny_save};
1640		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2217	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2218	}
1644		2219
1645	sub reset_at {	2220	sub reset_at {
1646	my ($self) = @_;	2221	my ($self) = @_;
1647		2222
1648	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1651		2225
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2228
…		…
1665	my ($self) = @_;	2239	my ($self) = @_;
1666		2240
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2242
1669	return if $self->players;	2243	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2244
1672	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
1673		2246
1674	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
1675		2248
1676	# need to save uniques path	2249	# need to save uniques path
1677	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2254	if $uniq;
1682	}	2255	}
1683		2256
1684	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1685		2258
		2259	$self->deactivate;
		2260	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2261	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2262
1690	$self->unlink_save;	2263	$self->unlink_save;
1691	$self->destroy;	2264	$self->destroy;
1692	}	2265	}
1693		2266
1694	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1695		2268
1696	sub nuke {	2269	sub nuke {
1697	my ($self) = @_;	2270	my ($self) = @_;
1698		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
1699	delete $cf::MAP{$self->path};	2275	delete $cf::MAP{$self->path};
1700		2276
1701	$self->unlink_save;	2277	$self->unlink_save;
1702		2278
1703	bless $self, "cf::map";	2279	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2280	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2284
1709	$cf::MAP{$self->path} = $self;	2285	$cf::MAP{$self->path} = $self;
		2286	}
1710		2287
1711	$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	]
1712	}	2325	}
1713		2326
1714	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1715		2328
1716	Returns an arrayref of paths of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2330	instantiated unique items. May block.
1718		2331
1719	=cut	2332	=cut
1720		2333
1721	sub unique_maps() {	2334	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1723	or return;	2336	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2337	utf8::decode $_;
1729	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2340	? ()
1732	push @paths, cf::map::normalise $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2343	]
1734
1735	\@paths
1736	}	2344	}
1737
1738	package cf;
1739		2345
1740	=back	2346	=back
1741		2347
1742	=head3 cf::object	2348	=head3 cf::object
1743		2349
…		…
1747		2353
1748	=over 4	2354	=over 4
1749		2355
1750	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1751		2357
1752	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.
1753		2360
1754	=cut	2361	=cut
1755		2362
1756	sub inv_recursive_;	2363	sub inv_recursive_;
1757	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1760		2367
1761	sub inv_recursive {	2368	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1763	}	2370	}
1764		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
1765	package cf;	2400	package cf;
1766		2401
1767	=back	2402	=back
1768		2403
1769	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1778		2413
1779	=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	};
1780		2429
1781	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2431	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1786		2435
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2437
1789	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1794	}	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 (@_);
1795	}	2463	}
1796		2464
1797	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1798		2466
1799	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1812		2480
1813	=item $player_object->enter_link	2481	=item $player_object->enter_link
1814		2482
1815	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}>).
1816		2484
1817	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.
1818	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.
1819		2489
1820	Will never block.	2490	Will never block.
1821		2491
1822	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1823		2493
…		…
1846	$self->deactivate_recursive;	2516	$self->deactivate_recursive;
1847		2517
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2518	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2519
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2520	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2521	if $self->map && $self->map->{path} ne "{link}";
1852		2522
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2523	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2524	}
1855		2525
1856	sub cf::object::player::leave_link {	2526	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2527	my ($self, $map, $x, $y) = @_;
		2528
		2529	return unless $self->contr->active;
1858		2530
1859	my $link_pos = delete $self->{_link_pos};	2531	my $link_pos = delete $self->{_link_pos};
1860		2532
1861	unless ($map) {	2533	unless ($map) {
1862	# restore original map position	2534	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1879		2551
1880	$map->load;	2552	$map->load;
1881	$map->load_diag;	2553	$map->load_neighbours;
1882		2554
1883	return unless $self->contr->active;	2555	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2556
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
1888	}
1889		2559
1890	cf::player->attach (	2560	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2561	$self->activate_recursive;
1892	my ($pl) = @_;	2562	}
1893		2563
1894	# abort map switching before logout	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2565
1904	# try to abort aborted map switching on player login :)	2566	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2567	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2568	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2569	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2570	be called at the end of this process.
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2571
1922	=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 >>.
1923		2574
1924	=cut	2575	=cut
		2576
		2577	our $GOTOGEN;
1925		2578
1926	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1927	my ($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;
1928		2584
1929	$self->enter_link;	2585	$self->enter_link;
1930		2586
1931	(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
1932	my $map = eval {	2609	my $map = eval {
1933	my $map = cf::map::find $path;	2610	my $map = defined $path ? cf::map::find $path : undef;
		2611
		2612	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2625	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2626
		2627	if ($gen == $self->{_goto_generation}) {
		2628	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
		2630	}
		2631
		2632	$done->() if $done;
1940	})->prio (1);	2633	})->prio (1);
1941	}	2634	}
1942		2635
1943	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1944		2637
…		…
1964	}	2657	}
1965		2658
1966	sub prepare_random_map {	2659	sub prepare_random_map {
1967	my ($exit) = @_;	2660	my ($exit) = @_;
1968		2661
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2664	# that depends on the exit object
1974		2665
1975	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2668	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
1982	}	2675	}
1983		2676
1984	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
1985		2678
1986	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
1989		2682
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2685	undef $fh;
1993	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
1994		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
1997	}	2694	}
1998	}	2695	}
1999		2696
2000	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2002		2699
2003	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2004		2701
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2702	$self->enter_link;
2017		2703
2018	(async {	2704	(async {
2019	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2022		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
2023	1;	2728	1
2024	}) {	2729	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2734
2030	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2049		2754
2050	utf8::encode $text;	2755	utf8::encode $text;
2051	$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);
2052	}	2757	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2919	=item $client->ext_msg ($type, @msg)
2055		2920
2056	Sends an exti event to the client.	2921	Sends an ext event to the client.
2057		2922
2058	=cut	2923	=cut
2059		2924
2060	sub cf::client::ext_event($$%) {	2925	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2926	my ($self, $type, @msg) = @_;
2062		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2930	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2931	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2065	}	2952	}
2066		2953
2067	=item $success = $client->query ($flags, "text", \&cb)	2954	=item $success = $client->query ($flags, "text", \&cb)
2068		2955
2069	Queues a query to the client, calling the given callback with	2956	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2957	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2958	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2959
2073	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
2074	reliable at some point in the future.	2961	become reliable at some point in the future.
2075		2962
2076	=cut	2963	=cut
2077		2964
2078	sub cf::client::query {	2965	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2966	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2974	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2975	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2976
2090	$self->send_packet ($self->{query_queue}[0][0])	2977	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2978	if @{ $self->{query_queue} } == 1;
		2979
		2980	1
2092	}	2981	}
2093		2982
2094	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	},
2095	on_reply => sub {	2989	on_reply => sub {
2096	my ($ns, $msg) = @_;	2990	my ($ns, $msg) = @_;
2097		2991
2098	# this weird shuffling is so that direct followup queries	2992	# this weird shuffling is so that direct followup queries
2099	# get handled first	2993	# get handled first
…		…
2111	} else {	3005	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3006	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3007	}
2114	}	3008	}
2115	},	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	},
2116	);	3036	);
2117		3037
2118	=item $client->async (\&cb)	3038	=item $client->async (\&cb)
2119		3039
2120	Create a new coroutine, running the specified callback. The coroutine will	3040	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3081	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3082	our $safe_hole = new Safe::Hole;
2163		3083
2164	$SIG{FPE} = 'IGNORE';	3084	$SIG{FPE} = 'IGNORE';
2165		3085
2166	$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	));
2167		3091
2168	# here we export the classes and methods available to script code	3092	# here we export the classes and methods available to script code
2169		3093
2170	=pod	3094	=pod
2171		3095
2172	The following functions and methods are available within a safe environment:	3096	The following functions and methods are available within a safe environment:
2173		3097
2174	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
2175	cf::object::player player	3103	cf::object::player
2176	cf::player peaceful	3104	player
2177	cf::map trigger	3105
		3106	cf::player
		3107	peaceful
		3108
		3109	cf::map
		3110	trigger
2178		3111
2179	=cut	3112	=cut
2180		3113
2181	for (	3114	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3118	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3119	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3120	["cf::map" => qw(trigger)],
2186	) {	3121	) {
2187	no strict 'refs';	3122	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3123	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3141	my ($code, %vars) = @_;
2207		3142
2208	my $qcode = $code;	3143	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3144	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3145	$qcode =~ s/\n/\\n/g;
		3146
		3147	%vars = (_dummy => 0) unless %vars;
2211		3148
2212	local $_;	3149	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3150	local @safe::cf::_safe_eval_args = values %vars;
2214		3151
2215	my $eval =	3152	my $eval =
…		…
2258	=back	3195	=back
2259		3196
2260	=cut	3197	=cut
2261		3198
2262	#############################################################################	3199	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3200	# the server's init and main functions
2336		3201
2337	sub load_facedata {	3202	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3203	my ($path) = @_;
		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;
2339		3210
2340	warn "loading facedata from $path\n";	3211	warn "loading facedata from $path\n";
2341		3212
2342	my $facedata;	3213	my $facedata;
2343	0 < aio_load $path, $facedata	3214	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3217	$facedata = Coro::Storable::thaw $facedata;
2347		3218
2348	$facedata->{version} == 2	3219	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3220	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3229	{
2352	my $faces = $facedata->{faceinfo};	3230	my $faces = $facedata->{faceinfo};
2353		3231
2354	while (my ($face, $info) = each %$faces) {	3232	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3233	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3234
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3235	cf::face::set_visibility $idx, $info->{visibility};
		3236	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3237	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3238	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3239
		3240	cf::cede_to_tick;
2360	}	3241	}
2361		3242
2362	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3244	next unless $info->{smooth};
		3245
2364	my $idx = cf::face::find $face	3246	my $idx = cf::face::find $face
2365	or next;	3247	or next;
		3248
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3249	if (my $smooth = cf::face::find $info->{smooth}) {
		3250	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3251	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3252	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3253	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3254	}
2371	Coro::cede;	3255
		3256	cf::cede_to_tick;
2372	}	3257	}
2373	}	3258	}
2374		3259
2375	{	3260	{
2376	my $anims = $facedata->{animinfo};	3261	my $anims = $facedata->{animinfo};
2377		3262
2378	while (my ($anim, $info) = each %$anims) {	3263	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3264	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3265	cf::cede_to_tick;
2381	}	3266	}
2382		3267
2383	cf::anim::invalidate_all; # d'oh	3268	cf::anim::invalidate_all; # d'oh
2384	}	3269	}
2385		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);
		3305
2386	1	3306	1
2387	}	3307	}
2388		3308
2389	our $archetypes_loaded;	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});
2390		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
2391	sub load_archetypes {	3366	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3367	load_resource_file "$DATADIR/archetypes"
2393	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3368	or die "unable to load archetypes\n";
2394	load_archetype_file sprintf "%s/archetypes", cf::datadir
2395	}	3369	}
2396		3370
2397	sub load_treasures {	3371	sub reload_treasures {
2398	load_treasure_file sprintf "%s/treasures", cf::datadir	3372	load_resource_file "$DATADIR/treasures"
		3373	or die "unable to load treasurelists\n";
2399	}	3374	}
2400		3375
2401	sub reload_resources {	3376	sub reload_resources {
2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3377	warn "reloading resource files...\n";
2403	or die "unable to load regions file\n";	3378
2404	load_facedata	3379	reload_facedata;
2405	or die "unable to load facedata\n";
2406	load_archetypes	3380	reload_archetypes;
2407	or die "unable to load archetypes\n";	3381	reload_regions;
2408	load_treasures	3382	reload_treasures;
2409	or die "unable to load treasurelists\n";
2410	}
2411		3383
2412	sub init {	3384	warn "finished reloading resource files\n";
2413	reload_resources;
2414	}	3385	}
2415		3386
2416	sub cfg_load {	3387	sub reload_config {
2417	open my $fh, "<:utf8", cf::confdir . "/config"	3388	open my $fh, "<:utf8", "$CONFDIR/config"
2418	or return;	3389	or return;
2419		3390
2420	local $/;	3391	local $/;
2421	*CFG = YAML::Syck::Load <$fh>;	3392	*CFG = YAML::XS::Load <$fh>;
2422		3393
2423	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3394	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2424		3395
2425	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3396	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2426	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3397	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2432	};	3403	};
2433	warn $@ if $@;	3404	warn $@ if $@;
2434	}	3405	}
2435	}	3406	}
2436		3407
		3408	sub pidfile() {
		3409	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3410	or die "$PIDFILE: $!";
		3411	flock $fh, &Fcntl::LOCK_EX
		3412	or die "$PIDFILE: flock: $!";
		3413	$fh
		3414	}
		3415
		3416	# make sure only one server instance is running at any one time
		3417	sub atomic {
		3418	my $fh = pidfile;
		3419
		3420	my $pid = <$fh>;
		3421	kill 9, $pid if $pid > 0;
		3422
		3423	seek $fh, 0, 0;
		3424	print $fh $$;
		3425	}
		3426
		3427	sub main_loop {
		3428	warn "EV::loop starting\n";
		3429	if (1) {
		3430	EV::loop;
		3431	}
		3432	warn "EV::loop returned\n";
		3433	goto &main_loop unless $REALLY_UNLOOP;
		3434	}
		3435
2437	sub main {	3436	sub main {
		3437	cf::init_globals; # initialise logging
		3438
		3439	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3440	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3441	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3442	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3443
		3444	cf::init_experience;
		3445	cf::init_anim;
		3446	cf::init_attackmess;
		3447	cf::init_dynamic;
		3448
		3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450
2438	# we must not ever block the main coroutine	3451	# we must not ever block the main coroutine
2439	local $Coro::idle = sub {	3452	local $Coro::idle = sub {
2440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3453	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2441	(async {	3454	(async {
2442	Event::one_event;	3455	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3456	EV::loop EV::LOOP_ONESHOT;
2443	})->prio (Coro::PRIO_MAX);	3457	})->prio (Coro::PRIO_MAX);
2444	};	3458	};
2445		3459
2446	cfg_load;	3460	evthread_start IO::AIO::poll_fileno;
		3461
		3462	cf::sync_job {
		3463	reload_resources;
		3464	reload_config;
2447	db_init;	3465	db_init;
		3466
		3467	cf::load_settings;
		3468	cf::load_materials;
		3469	cf::init_uuid;
		3470	cf::init_signals;
		3471	cf::init_commands;
		3472	cf::init_skills;
		3473
		3474	cf::init_beforeplay;
		3475
		3476	atomic;
		3477
2448	load_extensions;	3478	load_extensions;
2449		3479
2450	$TICK_WATCHER->start;	3480	utime time, time, $RUNTIMEFILE;
2451	Event::loop;	3481
		3482	# no (long-running) fork's whatsoever before this point(!)
		3483	use POSIX ();
		3484	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3485
		3486	(pop @POST_INIT)->(0) while @POST_INIT;
		3487	};
		3488
		3489	main_loop;
2452	}	3490	}
2453		3491
2454	#############################################################################	3492	#############################################################################
2455	# initialisation and cleanup	3493	# initialisation and cleanup
2456		3494
2457	# install some emergency cleanup handlers	3495	# install some emergency cleanup handlers
2458	BEGIN {	3496	BEGIN {
		3497	our %SIGWATCHER = ();
2459	for my $signal (qw(INT HUP TERM)) {	3498	for my $signal (qw(INT HUP TERM)) {
2460	Event->signal (	3499	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2461	reentrant => 0,
2462	data => WF_AUTOCANCEL,
2463	signal => $signal,
2464	prio => 0,
2465	cb => sub {
2466	cf::cleanup "SIG$signal";	3500	cf::cleanup "SIG$signal";
2467	},
2468	);	3501	};
		3502	}
		3503	}
		3504
		3505	sub write_runtime_sync {
		3506	# first touch the runtime file to show we are still running:
		3507	# the fsync below can take a very very long time.
		3508
		3509	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3510
		3511	my $guard = cf::lock_acquire "write_runtime";
		3512
		3513	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3514	or return;
		3515
		3516	my $value = $cf::RUNTIME + 90 + 10;
		3517	# 10 is the runtime save interval, for a monotonic clock
		3518	# 60 allows for the watchdog to kill the server.
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	# touch it again to show we are up-to-date
		3528	aio_utime $fh, undef, undef;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3534	and return;
		3535
		3536	warn "runtime file written.\n";
		3537
2469	}	3538	1
		3539	}
		3540
		3541	our $uuid_lock;
		3542	our $uuid_skip;
		3543
		3544	sub write_uuid_sync($) {
		3545	$uuid_skip ||= $_[0];
		3546
		3547	return if $uuid_lock;
		3548	local $uuid_lock = 1;
		3549
		3550	my $uuid = "$LOCALDIR/uuid";
		3551
		3552	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3553	or return;
		3554
		3555	my $value = uuid_seq uuid_cur;
		3556
		3557	unless ($value) {
		3558	warn "cowardly refusing to write zero uuid value!\n";
		3559	return;
		3560	}
		3561
		3562	my $value = uuid_str $value + $uuid_skip;
		3563	$uuid_skip = 0;
		3564
		3565	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3566	and return;
		3567
		3568	# always fsync - this file is important
		3569	aio_fsync $fh
		3570	and return;
		3571
		3572	close $fh
		3573	or return;
		3574
		3575	aio_rename "$uuid~", $uuid
		3576	and return;
		3577
		3578	warn "uuid file written ($value).\n";
		3579
		3580	1
		3581
		3582	}
		3583
		3584	sub write_uuid($$) {
		3585	my ($skip, $sync) = @_;
		3586
		3587	$sync ? write_uuid_sync $skip
		3588	: async { write_uuid_sync $skip };
2470	}	3589	}
2471		3590
2472	sub emergency_save() {	3591	sub emergency_save() {
2473	my $freeze_guard = cf::freeze_mainloop;	3592	my $freeze_guard = cf::freeze_mainloop;
2474		3593
2475	warn "enter emergency perl save\n";	3594	warn "emergency_perl_save: enter\n";
2476		3595
2477	cf::sync_job {	3596	cf::sync_job {
		3597	# this is a trade-off: we want to be very quick here, so
		3598	# save all maps without fsync, and later call a global sync
		3599	# (which in turn might be very very slow)
		3600	local $USE_FSYNC = 0;
		3601
2478	# use a peculiar iteration method to avoid tripping on perl	3602	# use a peculiar iteration method to avoid tripping on perl
2479	# refcount bugs in for. also avoids problems with players	3603	# refcount bugs in for. also avoids problems with players
2480	# and maps saved/destroyed asynchronously.	3604	# and maps saved/destroyed asynchronously.
2481	warn "begin emergency player save\n";	3605	warn "emergency_perl_save: begin player save\n";
2482	for my $login (keys %cf::PLAYER) {	3606	for my $login (keys %cf::PLAYER) {
2483	my $pl = $cf::PLAYER{$login} or next;	3607	my $pl = $cf::PLAYER{$login} or next;
2484	$pl->valid or next;	3608	$pl->valid or next;
		3609	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2485	$pl->save;	3610	$pl->save;
2486	}	3611	}
2487	warn "end emergency player save\n";	3612	warn "emergency_perl_save: end player save\n";
2488		3613
2489	warn "begin emergency map save\n";	3614	warn "emergency_perl_save: begin map save\n";
2490	for my $path (keys %cf::MAP) {	3615	for my $path (keys %cf::MAP) {
2491	my $map = $cf::MAP{$path} or next;	3616	my $map = $cf::MAP{$path} or next;
2492	$map->valid or next;	3617	$map->valid or next;
2493	$map->save;	3618	$map->save;
2494	}	3619	}
2495	warn "end emergency map save\n";	3620	warn "emergency_perl_save: end map save\n";
2496		3621
2497	warn "begin emergency database checkpoint\n";	3622	warn "emergency_perl_save: begin database checkpoint\n";
2498	BDB::db_env_txn_checkpoint $DB_ENV;	3623	BDB::db_env_txn_checkpoint $DB_ENV;
2499	warn "end emergency database checkpoint\n";	3624	warn "emergency_perl_save: end database checkpoint\n";
		3625
		3626	warn "emergency_perl_save: begin write uuid\n";
		3627	write_uuid_sync 1;
		3628	warn "emergency_perl_save: end write uuid\n";
2500	};	3629	};
2501		3630
		3631	warn "emergency_perl_save: starting sync()\n";
		3632	IO::AIO::aio_sync sub {
		3633	warn "emergency_perl_save: finished sync()\n";
		3634	};
		3635
2502	warn "leave emergency perl save\n";	3636	warn "emergency_perl_save: leave\n";
2503	}	3637	}
2504		3638
2505	sub post_cleanup {	3639	sub post_cleanup {
2506	my ($make_core) = @_;	3640	my ($make_core) = @_;
2507		3641
2508	warn Carp::longmess "post_cleanup backtrace"	3642	warn Carp::longmess "post_cleanup backtrace"
2509	if $make_core;	3643	if $make_core;
2510	}
2511		3644
		3645	my $fh = pidfile;
		3646	unlink $PIDFILE if <$fh> == $$;
		3647	}
		3648
		3649	# a safer delete_package, copied from Symbol
		3650	sub clear_package($) {
		3651	my $pkg = shift;
		3652
		3653	# expand to full symbol table name if needed
		3654	unless ($pkg =~ /^main::.*::$/) {
		3655	$pkg = "main$pkg" if $pkg =~ /^::/;
		3656	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3657	$pkg .= '::' unless $pkg =~ /::$/;
		3658	}
		3659
		3660	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3661	my $stem_symtab = *{$stem}{HASH};
		3662
		3663	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3664	or return;
		3665
		3666	# clear all symbols
		3667	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3668	for my $name (keys %$leaf_symtab) {
		3669	_gv_clear *{"$pkg$name"};
		3670	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3671	}
		3672	warn "cleared package $pkg\n";#d#
		3673	}
		3674
2512	sub reload() {	3675	sub do_reload_perl() {
2513	# can/must only be called in main	3676	# can/must only be called in main
2514	if ($Coro::current != $Coro::main) {	3677	if ($Coro::current != $Coro::main) {
2515	warn "can only reload from main coroutine";	3678	warn "can only reload from main coroutine";
2516	return;	3679	return;
2517	}	3680	}
2518		3681
		3682	return if $RELOAD++;
		3683
		3684	my $t1 = EV::time;
		3685
		3686	while ($RELOAD) {
2519	warn "reloading...";	3687	warn "reloading...";
2520		3688
2521	warn "entering sync_job";	3689	warn "entering sync_job";
2522		3690
2523	cf::sync_job {	3691	cf::sync_job {
2524	cf::write_runtime; # external watchdog should not bark	3692	cf::write_runtime_sync; # external watchdog should not bark
2525	cf::emergency_save;	3693	cf::emergency_save;
2526	cf::write_runtime; # external watchdog should not bark	3694	cf::write_runtime_sync; # external watchdog should not bark
2527		3695
2528	warn "syncing database to disk";	3696	warn "syncing database to disk";
2529	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2530		3698
2531	# if anything goes wrong in here, we should simply crash as we already saved	3699	# if anything goes wrong in here, we should simply crash as we already saved
2532		3700
2533	warn "cancelling all WF_AUTOCANCEL watchers";
2534	for (Event::all_watchers) {
2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2536	}
2537
2538	warn "flushing outstanding aio requests";	3701	warn "flushing outstanding aio requests";
2539	for (;;) {
2540	BDB::flush;
2541	IO::AIO::flush;
2542	Coro::cede;
2543	last unless IO::AIO::nreqs || BDB::nreqs;	3702	while (IO::AIO::nreqs || BDB::nreqs) {
2544	warn "iterate...";	3703	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2545	}
2546
2547	++$RELOAD;
2548
2549	warn "cancelling all extension coros";
2550	$_->cancel for values %EXT_CORO;
2551	%EXT_CORO = ();
2552
2553	warn "removing commands";
2554	%COMMAND = ();
2555
2556	warn "removing ext commands";
2557	%EXTCMD = ();
2558
2559	warn "unloading/nuking all extensions";
2560	for my $pkg (@EXTS) {
2561	warn "... unloading $pkg";
2562
2563	if (my $cb = $pkg->can ("unload")) {
2564	eval {
2565	$cb->($pkg);
2566	1
2567	} or warn "$pkg unloaded, but with errors: $@";
2568	}	3704	}
2569		3705
2570	warn "... nuking $pkg";	3706	warn "cancelling all extension coros";
2571	Symbol::delete_package $pkg;	3707	$_->cancel for values %EXT_CORO;
2572	}	3708	%EXT_CORO = ();
2573		3709
2574	warn "unloading all perl modules loaded from $LIBDIR";	3710	warn "removing commands";
2575	while (my ($k, $v) = each %INC) {	3711	%COMMAND = ();
2576	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2577		3712
		3713	warn "removing ext/exti commands";
		3714	%EXTCMD = ();
		3715	%EXTICMD = ();
		3716
		3717	warn "unloading/nuking all extensions";
		3718	for my $pkg (@EXTS) {
2578	warn "... unloading $k";	3719	warn "... unloading $pkg";
2579	delete $INC{$k};
2580		3720
2581	$k =~ s/\.pm$//;
2582	$k =~ s/\//::/g;
2583
2584	if (my $cb = $k->can ("unload_module")) {	3721	if (my $cb = $pkg->can ("unload")) {
		3722	eval {
2585	$cb->();	3723	$cb->($pkg);
		3724	1
		3725	} or warn "$pkg unloaded, but with errors: $@";
		3726	}
		3727
		3728	warn "... clearing $pkg";
		3729	clear_package $pkg;
2586	}	3730	}
2587		3731
2588	Symbol::delete_package $k;	3732	warn "unloading all perl modules loaded from $LIBDIR";
		3733	while (my ($k, $v) = each %INC) {
		3734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3735
		3736	warn "... unloading $k";
		3737	delete $INC{$k};
		3738
		3739	$k =~ s/\.pm$//;
		3740	$k =~ s/\//::/g;
		3741
		3742	if (my $cb = $k->can ("unload_module")) {
		3743	$cb->();
		3744	}
		3745
		3746	clear_package $k;
2589	}	3747	}
2590		3748
2591	warn "getting rid of safe::, as good as possible";	3749	warn "getting rid of safe::, as good as possible";
2592	Symbol::delete_package "safe::$_"	3750	clear_package "safe::$_"
2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2594		3752
2595	warn "unloading cf.pm \"a bit\"";	3753	warn "unloading cf.pm \"a bit\"";
2596	delete $INC{"cf.pm"};	3754	delete $INC{"cf.pm"};
		3755	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2597		3756
2598	# don't, removes xs symbols, too,	3757	# don't, removes xs symbols, too,
2599	# and global variables created in xs	3758	# and global variables created in xs
2600	#Symbol::delete_package __PACKAGE__;	3759	#clear_package __PACKAGE__;
2601		3760
2602	warn "unload completed, starting to reload now";	3761	warn "unload completed, starting to reload now";
2603		3762
2604	warn "reloading cf.pm";	3763	warn "reloading cf.pm";
2605	require cf;	3764	require cf;
2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3765	cf::_connect_to_perl_1;
2607		3766
2608	warn "loading config and database again";	3767	warn "loading config and database again";
2609	cf::cfg_load;	3768	cf::reload_config;
2610		3769
2611	warn "loading extensions";	3770	warn "loading extensions";
2612	cf::load_extensions;	3771	cf::load_extensions;
2613		3772
		3773	if ($REATTACH_ON_RELOAD) {
2614	warn "reattaching attachments to objects/players";	3774	warn "reattaching attachments to objects/players";
2615	_global_reattach; # objects, sockets	3775	_global_reattach; # objects, sockets
2616	warn "reattaching attachments to maps";	3776	warn "reattaching attachments to maps";
2617	reattach $_ for values %MAP;	3777	reattach $_ for values %MAP;
2618	warn "reattaching attachments to players";	3778	warn "reattaching attachments to players";
2619	reattach $_ for values %PLAYER;	3779	reattach $_ for values %PLAYER;
		3780	}
2620		3781
2621	warn "loading reloadable resources";	3782	warn "running post_init jobs";
2622	reload_resources;	3783	(pop @POST_INIT)->(1) while @POST_INIT;
2623		3784
2624	warn "leaving sync_job";	3785	warn "leaving sync_job";
2625		3786
2626	1	3787	1
2627	} or do {	3788	} or do {
2628	warn $@;	3789	warn $@;
2629	warn "error while reloading, exiting.";	3790	cf::cleanup "error while reloading, exiting.";
2630	exit 1;	3791	};
		3792
		3793	warn "reloaded";
		3794	--$RELOAD;
		3795	}
		3796
		3797	$t1 = EV::time - $t1;
		3798	warn "reload completed in ${t1}s\n";
		3799	};
		3800
		3801	our $RELOAD_WATCHER; # used only during reload
		3802
		3803	sub reload_perl() {
		3804	# doing reload synchronously and two reloads happen back-to-back,
		3805	# coro crashes during coro_state_free->destroy here.
		3806
		3807	$RELOAD_WATCHER ||= cf::async {
		3808	Coro::AIO::aio_wait cache_extensions;
		3809
		3810	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3811	do_reload_perl;
		3812	undef $RELOAD_WATCHER;
		3813	};
2631	};	3814	};
2632		3815	}
2633	warn "reloaded";
2634	};
2635
2636	our $RELOAD_WATCHER; # used only during reload
2637		3816
2638	register_command "reload" => sub {	3817	register_command "reload" => sub {
2639	my ($who, $arg) = @_;	3818	my ($who, $arg) = @_;
2640		3819
2641	if ($who->flag (FLAG_WIZ)) {	3820	if ($who->flag (FLAG_WIZ)) {
2642	$who->message ("reloading server.");	3821	$who->message ("reloading server.");
2643		3822	async {
2644	# doing reload synchronously and two reloads happen back-to-back,	3823	$Coro::current->{desc} = "perl_reload";
2645	# coro crashes during coro_state_free->destroy here.
2646
2647	$RELOAD_WATCHER ||= Event->timer (
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	reload;	3824	reload_perl;
2653	undef $RELOAD_WATCHER;
2654	},
2655	);	3825	};
2656	}	3826	}
2657	};	3827	};
2658		3828
2659	unshift @INC, $LIBDIR;	3829	unshift @INC, $LIBDIR;
2660		3830
…		…
2662		3832
2663	our @WAIT_FOR_TICK;	3833	our @WAIT_FOR_TICK;
2664	our @WAIT_FOR_TICK_BEGIN;	3834	our @WAIT_FOR_TICK_BEGIN;
2665		3835
2666	sub wait_for_tick {	3836	sub wait_for_tick {
2667	return unless $TICK_WATCHER->is_active;
2668	return if $Coro::current == $Coro::main;	3837	return if tick_inhibit || $Coro::current == $Coro::main;
2669		3838
2670	my $signal = new Coro::Signal;	3839	my $signal = new Coro::Signal;
2671	push @WAIT_FOR_TICK, $signal;	3840	push @WAIT_FOR_TICK, $signal;
2672	$signal->wait;	3841	$signal->wait;
2673	}	3842	}
2674		3843
2675	sub wait_for_tick_begin {	3844	sub wait_for_tick_begin {
2676	return unless $TICK_WATCHER->is_active;
2677	return if $Coro::current == $Coro::main;	3845	return if tick_inhibit || $Coro::current == $Coro::main;
2678		3846
2679	my $signal = new Coro::Signal;	3847	my $signal = new Coro::Signal;
2680	push @WAIT_FOR_TICK_BEGIN, $signal;	3848	push @WAIT_FOR_TICK_BEGIN, $signal;
2681	$signal->wait;	3849	$signal->wait;
2682	}	3850	}
2683		3851
2684	$TICK_WATCHER = Event->timer (	3852	sub tick {
2685	reentrant => 0,
2686	parked => 1,
2687	prio => 0,
2688	at => $NEXT_TICK || $TICK,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	if ($Coro::current != $Coro::main) {	3853	if ($Coro::current != $Coro::main) {
2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2693	unless ++$bug_warning > 10;	3855	unless ++$bug_warning > 10;
2694	return;	3856	return;
2695	}	3857	}
2696		3858
2697	$NOW = Event::time;
2698
2699	cf::server_tick; # one server iteration	3859	cf::server_tick; # one server iteration
2700	$RUNTIME += $TICK;
2701	$NEXT_TICK += $TICK;
2702		3860
2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3861	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2704	$NEXT_RUNTIME_WRITE = $NOW + 10;	3862	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2705	Coro::async_pool {	3863	Coro::async_pool {
		3864	$Coro::current->{desc} = "runtime saver";
2706	write_runtime	3865	write_runtime_sync
2707	or warn "ERROR: unable to write runtime file: $!";	3866	or warn "ERROR: unable to write runtime file: $!";
2708	};
2709	}	3867	};
		3868	}
2710		3869
2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3870	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712	$sig->send;	3871	$sig->send;
2713	}	3872	}
2714	while (my $sig = shift @WAIT_FOR_TICK) {	3873	while (my $sig = shift @WAIT_FOR_TICK) {
2715	$sig->send;	3874	$sig->send;
2716	}
2717
2718	# my $AFTER = Event::time;
2719	# warn $AFTER - $NOW;#d#
2720
2721	# if we are delayed by four ticks or more, skip them all
2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2723
2724	$TICK_WATCHER->at ($NEXT_TICK);
2725	$TICK_WATCHER->start;
2726	},	3875	}
2727	);	3876
		3877	$LOAD = ($NOW - $TICK_START) / $TICK;
		3878	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3879
		3880	if (0) {
		3881	if ($NEXT_TICK) {
		3882	my $jitter = $TICK_START - $NEXT_TICK;
		3883	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3884	warn "jitter $JITTER\n";#d#
		3885	}
		3886	}
		3887	}
2728		3888
2729	{	3889	{
2730	BDB::max_poll_time $TICK * 0.1;	3890	# configure BDB
2731	$BDB_POLL_WATCHER = Event->io (	3891
2732	reentrant => 0,
2733	fd => BDB::poll_fileno,
2734	poll => 'r',
2735	prio => 0,
2736	data => WF_AUTOCANCEL,
2737	cb => \&BDB::poll_cb,
2738	);
2739	BDB::min_parallel 8;	3892	BDB::min_parallel 8;
2740		3893	BDB::max_poll_reqs $TICK * 0.1;
2741	BDB::set_sync_prepare {	3894	$AnyEvent::BDB::WATCHER->priority (1);
2742	my $status;
2743	my $current = $Coro::current;
2744	(
2745	sub {
2746	$status = $!;
2747	$current->ready; undef $current;
2748	},
2749	sub {
2750	Coro::schedule while defined $current;
2751	$! = $status;
2752	},
2753	)
2754	};
2755		3895
2756	unless ($DB_ENV) {	3896	unless ($DB_ENV) {
2757	$DB_ENV = BDB::db_env_create;	3897	$DB_ENV = BDB::db_env_create;
		3898	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3899	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3900	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3901	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3902	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2758		3903
2759	cf::sync_job {	3904	cf::sync_job {
2760	eval {	3905	eval {
2761	BDB::db_env_open	3906	BDB::db_env_open
2762	$DB_ENV,	3907	$DB_ENV,
2763	$BDB_ENV_DIR,	3908	$BDBDIR,
2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3909	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3910	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766	0666;	3911	0666;
2767		3912
2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3913	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2769
2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771	$DB_ENV->set_lk_detect;
2772	};	3914	};
2773		3915
2774	cf::cleanup "db_env_open(db): $@" if $@;	3916	cf::cleanup "db_env_open(db): $@" if $@;
2775	};	3917	};
2776	}	3918	}
		3919
		3920	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3921	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3922	};
		3923	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3924	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3925	};
		3926	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3927	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3928	};
2777	}	3929	}
2778		3930
2779	{	3931	{
		3932	# configure IO::AIO
		3933
2780	IO::AIO::min_parallel 8;	3934	IO::AIO::min_parallel 8;
2781
2782	undef $Coro::AIO::WATCHER;
2783	IO::AIO::max_poll_time $TICK * 0.1;	3935	IO::AIO::max_poll_time $TICK * 0.1;
2784	$AIO_POLL_WATCHER = Event->io (	3936	undef $AnyEvent::AIO::WATCHER;
2785	reentrant => 0,
2786	data => WF_AUTOCANCEL,
2787	fd => IO::AIO::poll_fileno,
2788	poll => 'r',
2789	prio => 6,
2790	cb => \&IO::AIO::poll_cb,
2791	);
2792	}	3937	}
		3938
		3939	my $_log_backtrace;
		3940
		3941	sub _log_backtrace {
		3942	my ($msg, @addr) = @_;
		3943
		3944	$msg =~ s/\n//;
		3945
		3946	# limit the # of concurrent backtraces
		3947	if ($_log_backtrace < 2) {
		3948	++$_log_backtrace;
		3949	my $perl_bt = Carp::longmess $msg;
		3950	async {
		3951	$Coro::current->{desc} = "abt $msg";
		3952
		3953	my @bt = fork_call {
		3954	@addr = map { sprintf "%x", $_ } @addr;
		3955	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3956	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3957	or die "addr2line: $!";
		3958
		3959	my @funcs;
		3960	my @res = <$fh>;
		3961	chomp for @res;
		3962	while (@res) {
		3963	my ($func, $line) = splice @res, 0, 2, ();
		3964	push @funcs, "[$func] $line";
		3965	}
		3966
		3967	@funcs
		3968	};
		3969
		3970	LOG llevInfo, "[ABT] $perl_bt\n";
		3971	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3972	LOG llevInfo, "[ABT] $_\n" for @bt;
		3973	--$_log_backtrace;
		3974	};
		3975	} else {
		3976	LOG llevInfo, "[ABT] $msg\n";
		3977	LOG llevInfo, "[ABT] [suppressed]\n";
		3978	}
		3979	}
		3980
		3981	# load additional modules
		3982	require "cf/$_.pm" for @EXTRA_MODULES;
		3983	cf::_connect_to_perl_2;
2793		3984
2794	END { cf::emergency_save }	3985	END { cf::emergency_save }
2795		3986
2796	1	3987	1
2797		3988

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