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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 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 Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;	58	use Digest::MD5;
28	use Fcntl;	59	use Fcntl;
29	use YAML::Syck ();	60	use YAML::XS ();
30	use IO::AIO 2.32 ();	61	use IO::AIO ();
31	use Time::HiRes;	62	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		83
49	our %COMMAND = ();	84	our %COMMAND = ();
50	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
51		86
52	our @EXTS = (); # list of extension package names	87	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	88	our %EXTCMD = ();
		89	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
56		92
57	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
59		97
60	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
		112	our %RESOURCE;
71		113
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	116	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		118
		119	our $BDB_DEADLOCK_WATCHER;
		120	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	122	our $DB_ENV;
		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
82		125
83	our %CFG;	126	our %CFG;
84		127
85	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	129	our $RUNTIME;
		130	our $NOW;
87		131
88	our %PLAYER; # all users	132	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	133	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	134	our $LINK_MAP; # the special {link} map, which is always available
91		135
92	# used to convert map paths into valid unix filenames by replacing / by ∕	136	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	137	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		138
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
		141	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
98		148
99	binmode STDOUT;	149	binmode STDOUT;
100	binmode STDERR;	150	binmode STDERR;
101		151
102	# read virtual server time, if available	152	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
107	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
108		160
109	mkdir $_	161	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		163
112	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
113		165
114	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		178
116	#############################################################################	179	#############################################################################
117		180
118	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
119		182
…		…
155		218
156	The raw value load value from the last tick.	219	The raw value load value from the last tick.
157		220
158	=item %cf::CFG	221	=item %cf::CFG
159		222
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	223	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	224	from wherever your confdir points to.
162		225
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	226	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		227
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	228	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	229	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		231
		232	=item @cf::INVOKE_RESULTS
		233
		234	This array contains the results of the last C<invoke ()> call. When
		235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		236	that call.
		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
169	=back	244	=back
170		245
171	=cut	246	=cut
172		247
173	BEGIN {	248	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	249	my $msg = join "", @_;
176		250
177	$msg .= "\n"	251	$msg .= "\n"
178	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
179		253
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		255
182	utf8::encode $msg;
183	LOG llevError, $msg;	256	LOG llevError, $msg;
184	};	257	};
185	}	258
		259	$Coro::State::DIEHOOK = sub {
		260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
		263
		264	if ($Coro::current == $Coro::main) {#d#
		265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		266	return;#d#
		267	}#d#
		268
		269	# kill coroutine otherwise
		270	Coro::terminate
		271	};
186		272
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	283	for my $pkg (qw(
198	cf::global cf::attachable	284	cf::global cf::attachable
199	cf::object cf::object::player	285	cf::object cf::object::player
200	cf::client cf::player	286	cf::client cf::player
201	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
202	cf::map cf::party cf::region	289	cf::party cf::region
203	)) {	290	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	292	}
207		293
208	$Event::DIED = sub {	294	$EV::DIED = sub {
209	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
210	};	296	};
		297
		298	#############################################################################
211		299
212	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
213		301
214	=over 4	302	=over 4
215		303
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	322	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	323	$d
236	} || "[unable to dump $_[0]: '$@']";	324	} || "[unable to dump $_[0]: '$@']";
237	}	325	}
238		326
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	327	=item $ref = cf::decode_json $json
242		328
243	Converts a JSON string into the corresponding perl data structure.	329	Converts a JSON string into the corresponding perl data structure.
244		330
245	=item $json = cf::to_json $ref	331	=item $json = cf::encode_json $ref
246		332
247	Converts a perl data structure into its JSON representation.	333	Converts a perl data structure into its JSON representation.
248		334
		335	=cut
		336
		337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		338
		339	sub encode_json($) { $json_coder->encode ($_[0]) }
		340	sub decode_json($) { $json_coder->decode ($_[0]) }
		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
		355
249	=item cf::lock_wait $string	356	=item cf::lock_wait $string
250		357
251	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
252		359
253	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
254		361
255	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
258	returned.	365	returned.
259		366
		367	Locks are *not* recursive, locking from the same coro twice results in a
		368	deadlocked coro.
		369
260	Lock names should begin with a unique identifier (for example, cf::map::find	370	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	371	uses map_find and cf::map::load uses map_load).
262		372
263	=item $locked = cf::lock_active $string	373	=item $locked = cf::lock_active $string
264		374
265	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
266		376
267	=cut	377	=cut
268		378
269	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
270		380
271	sub lock_wait($) {	381	sub lock_wait($) {
272	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	383	}
280		384
281	sub lock_acquire($) {	385	sub lock_acquire($) {
282	my ($key) = @_;	386	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	387	}
294		388
295	sub lock_active($) {	389	sub lock_active($) {
296	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	391	}
300		392
301	sub freeze_mainloop {	393	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
303		395
304	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
306	};	457	}
307	$TICK_WATCHER->stop;	458	};
308	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
309	}	472	}
310		473
311	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
312		475
313	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		481
319	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
320		483
321	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
322		485
323	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
326		490
327	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
330	fast or be very important.	494	fast or be very important.
…		…
333		497
334	sub sync_job(&) {	498	sub sync_job(&) {
335	my ($job) = @_;	499	my ($job) = @_;
336		500
337	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	502	my $time = EV::time;
339		503
340	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
342		506
343	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	508
345	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
346		510
347	my $busy = 1;	511	my $busy = 1;
348	my @res;	512	my @res;
349		513
350	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	516	@res = eval { $job->() };
352	warn $@ if $@;	517	warn $@ if $@;
353	undef $busy;	518	undef $busy;
354	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
355		520
356	while ($busy) {	521	while ($busy) {
357	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
358	}	526	}
		527	}
359		528
360	$time = Event::time - $time;	529	my $time = EV::time - $time;
361		530
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
366		532
367	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
368	} else {	534	} else {
369	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
370		536
…		…
390	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
391		557
392	$coro	558	$coro
393	}	559	}
394		560
395	sub write_runtime {	561	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		562
398	# first touch the runtime file to show we are still running:	563	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
400		567
401	IO::AIO::aio_utime $runtime, undef, undef;	568	=cut
402		569
403	my $guard = cf::lock_acquire "write_runtime";	570	sub fork_call(&@) {
		571	my ($cb, @args) = @_;
404		572
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	573	# we seemingly have to make a local copy of the whole thing,
406	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
407		576
408	my $value = $cf::RUNTIME + 90 + 10;	577	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	578	reset_signals;
410	# 60 allows for the watchdog to kill the server.	579	&$cb
		580	}, @args;
411		581
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	wantarray ? @res : $res[-1]
413	and return;	583	}
414		584
415	# always fsync - this file is important	585	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		586
419	# touch it again to show we are up-to-date	587	=cut
420	aio_utime $fh, undef, undef;
421		588
422	close $fh	589	our %coin_alias = (
423	or return;	590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
424		605
425	aio_rename "$runtime~", $runtime	606	sub coin_from_name($) {
426	and return;	607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
427		611
428	warn "runtime file written.\n";	612	=item $value = cf::db_get $family => $key
429		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
430	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
431	}	737	}
432		738
433	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
434		740
435	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		753
448	#############################################################################	754	#############################################################################
449		755
450	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
451		757
452	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
455		761
456	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	764	Deliantra).
459		765
460	=over 4	766	=over 4
461		767
462	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
463		769
…		…
507	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
508		814
509	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
511		817
512	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
514		820
515	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
516		822
517	=over 4	823	=over 4
…		…
665	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
666	}	972	}
667		973
668	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
669	} else {	975	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	977	}
672		978
673	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
674	}	980	}
675		981
…		…
715	";	1021	";
716	die if $@;	1022	die if $@;
717	}	1023	}
718		1024
719	our $override;	1025	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1027
722	sub override {	1028	sub override {
723	$override = 1;	1029	$override = 1;
724	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
725	}	1031	}
726		1032
727	sub do_invoke {	1033	sub do_invoke {
728	my $event = shift;	1034	my $event = shift;
729	my $callbacks = shift;	1035	my $callbacks = shift;
730		1036
731	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
732		1038
733	local $override;	1039	local $override;
734		1040
735	for (@$callbacks) {	1041	for (@$callbacks) {
736	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
745	}	1051	}
746		1052
747	0	1053	0
748	}	1054	}
749		1055
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1057
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1059
754	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
755		1061
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1065
760	=back	1066	=back
761		1067
762	=cut	1068	=cut
763		1069
764	#############################################################################	1070	#############################################################################
765	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
766		1114
767	sub reattach {	1115	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1117	my ($obj) = @_;
770		1118
		1119	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1121
773	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
774		1123
775	@$registry = ();	1124	@$registry = ();
776		1125
…		…
791	cf::attachable->attach (	1140	cf::attachable->attach (
792	prio => -1000000,	1141	prio => -1000000,
793	on_instantiate => sub {	1142	on_instantiate => sub {
794	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
795		1144
796	$data = from_json $data;	1145	$data = decode_json $data;
797		1146
798	for (@$data) {	1147	for (@$data) {
799	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
800		1149
801	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1166	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
819		1168
820	sync_job {	1169	sync_job {
821	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
824		1174
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	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;
		1180	aio_fsync $fh;
		1181	}
829	close $fh;	1182	aio_close $fh;
830		1183
831	if (@$objs) {	1184	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	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;
		1191	aio_fsync $fh;
		1192	}
837	close $fh;	1193	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
839	}	1195	}
840	} else {	1196	} else {
841	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
842	}	1198	}
843		1199
844	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1204	} else {
846	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
847	}	1206	}
848	} else {	1207	} else {
849	aio_unlink $filename;	1208	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
851	}	1210	}
852	}	1211	};
853	}	1212	}
854		1213
855	sub object_freezer_as_string {	1214	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1215	my ($rdata, $objs) = @_;
857		1216
…		…
869	or return;	1228	or return;
870		1229
871	unless (aio_stat "$filename.pst") {	1230	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1231	(aio_load "$filename.pst", $av) >= 0
873	or return;	1232	or return;
		1233
874	$av = eval { (Storable::thaw $av)->{objs} };	1234	my $st = eval { Coro::Storable::thaw $av };
		1235	$av = $st->{objs};
875	}	1236	}
876		1237
		1238	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1239	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1240	$decname, length $data, scalar @{$av || []};
		1241
879	return ($data, $av);	1242	($data, $av)
880	}	1243	}
		1244
		1245	=head2 COMMAND CALLBACKS
		1246
		1247	=over 4
		1248
		1249	=cut
881		1250
882	#############################################################################	1251	#############################################################################
883	# command handling &c	1252	# command handling &c
884		1253
885	=item cf::register_command $name => \&callback($ob,$args);	1254	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1267	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1268	}
900		1269
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1270	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1271
903	Register a callbackf ro execution when the client sends an extcmd packet.	1272	Register a callback for execution when the client sends an (synchronous)
		1273	extcmd packet. Ext commands will be processed in the order they are
		1274	received by the server, like other user commands. The first argument is
		1275	the logged-in player. Ext commands can only be processed after a player
		1276	has logged in successfully.
904		1277
905	If the callback returns something, it is sent back as if reply was being	1278	If the callback returns something, it is sent back as if reply was being
906	called.	1279	called.
907		1280
		1281	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1282
		1283	Register a callback for execution when the client sends an (asynchronous)
		1284	exticmd packet. Exti commands are processed by the server as soon as they
		1285	are received, i.e. out of order w.r.t. other commands. The first argument
		1286	is a client socket. Exti commands can be received anytime, even before
		1287	log-in.
		1288
		1289	If the callback returns something, it is sent back as if reply was being
		1290	called.
		1291
908	=cut	1292	=cut
909		1293
910	sub register_extcmd {	1294	sub register_extcmd {
911	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
912		1296
913	$EXTCMD{$name} = $cb;	1297	$EXTCMD{$name} = $cb;
914	}	1298	}
		1299
		1300	sub register_exticmd {
		1301	my ($name, $cb) = @_;
		1302
		1303	$EXTICMD{$name} = $cb;
		1304	}
		1305
		1306	use File::Glob ();
915		1307
916	cf::player->attach (	1308	cf::player->attach (
917	on_command => sub {	1309	on_command => sub {
918	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
919		1311
…		…
927	cf::override;	1319	cf::override;
928	},	1320	},
929	on_extcmd => sub {	1321	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1322	my ($pl, $buf) = @_;
931		1323
932	my $msg = eval { from_json $buf };	1324	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1325
934	if (ref $msg) {	1326	if (ref $msg) {
		1327	my ($type, $reply, @payload) =
		1328	"ARRAY" eq ref $msg
		1329	? @$msg
		1330	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1331
		1332	my @reply;
		1333
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1334	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1335	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1336	}
		1337
		1338	$pl->ext_reply ($reply, @reply)
		1339	if $reply;
		1340
940	} else {	1341	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1342	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1343	}
943		1344
944	cf::override;	1345	cf::override;
945	},	1346	},
946	);	1347	);
		1348
		1349	# "readahead" all extensions
		1350	sub cache_extensions {
		1351	my $grp = IO::AIO::aio_group;
		1352
		1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1354	for (grep /\.ext$/, @{$_[0]}) {
		1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1356	}
		1357	};
		1358
		1359	$grp
		1360	}
947		1361
948	sub load_extensions {	1362	sub load_extensions {
949	cf::sync_job {	1363	cf::sync_job {
950	my %todo;	1364	my %todo;
951		1365
…		…
967	path => $path,	1381	path => $path,
968	base => $base,	1382	base => $base,
969	pkg => $pkg,	1383	pkg => $pkg,
970	);	1384	);
971		1385
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1388
975	$ext{source} =	1389	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1391	. "#line 1 \"$path\"\n{\n"
978	. $source	1392	. $source
979	. "\n};\n1";	1393	. "\n};\n1";
980		1394
981	$todo{$base} = \%ext;	1395	$todo{$base} = \%ext;
…		…
984	my %done;	1398	my %done;
985	while (%todo) {	1399	while (%todo) {
986	my $progress;	1400	my $progress;
987		1401
988	while (my ($k, $v) = each %todo) {	1402	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1403	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1404	goto skip
991	unless exists $done{$_};	1405	unless exists $done{$_};
992	}	1406	}
993		1407
994	warn "... loading '$k' into '$v->{pkg}'\n";	1408	warn "... loading '$k' into '$v->{pkg}'\n";
995		1409
996	unless (eval $v->{source}) {	1410	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1411	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1412	: "$v->{base}: extension inactive.\n";
999		1413
1000	if (exists $v->{meta}{mandatory}) {	1414	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1415	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1416	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1417	}
1005		1418
1006	die $msg;	1419	warn $msg;
1007	}	1420	}
1008		1421
1009	$done{$k} = delete $todo{$k};	1422	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1423	push @EXTS, $v->{pkg};
		1424	$progress = 1;
1011	}	1425	}
1012		1426
1013	skip:	1427	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1428	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1429	unless $progress;
…		…
1017	};	1431	};
1018	}	1432	}
1019		1433
1020	#############################################################################	1434	#############################################################################
1021		1435
		1436	=back
		1437
1022	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1023		1439
1024	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1025		1441
1026	=cut	1442	=cut
1027		1443
1028	package cf::player;	1444	package cf::player;
1029		1445
1030	use Coro::AIO;	1446	use Coro::AIO;
1031		1447
1032	=head3 cf::player	1448	=head3 cf::player
1033		1449
1034	=over 4	1450	=over 4
		1451
		1452	=item cf::player::num_playing
		1453
		1454	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1455
		1456	=cut
		1457
		1458	sub num_playing {
		1459	scalar grep
		1460	$_->ob->map
		1461	&& !$_->hidden
		1462	&& !$_->ob->flag (cf::FLAG_WIZ),
		1463	cf::player::list
		1464	}
1035		1465
1036	=item cf::player::find $login	1466	=item cf::player::find $login
1037		1467
1038	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1039		1469
…		…
1058		1488
1059	sub exists($) {	1489	sub exists($) {
1060	my ($login) = @_;	1490	my ($login) = @_;
1061		1491
1062	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1064	}	1494	}
1065		1495
1066	sub find($) {	1496	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1498	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1508	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1509
1080	my $pl = load_pl path $login	1510	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1511	or return;
		1512
		1513	my $pl = cf::player::load_pl $f
		1514	or return;
		1515
		1516	local $cf::PLAYER_LOADING{$login} = $pl;
		1517	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1083	}	1519	}
1084	}	1520	}
1085	}	1521	}
1086		1522
…		…
1095	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1096		1532
1097	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1099		1535
		1536	cf::get_slot 0.01;
		1537
1100	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1101	Coro::cede;	1539	cf::cede_to_tick;
1102	}	1540	}
1103		1541
1104	sub new($) {	1542	sub new($) {
1105	my ($login) = @_;	1543	my ($login) = @_;
1106		1544
…		…
1112	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1113		1551
1114	$self	1552	$self
1115	}	1553	}
1116		1554
		1555	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1556
		1557	=cut
		1558
		1559	sub send_msg {
		1560	my $ns = shift->ns
		1561	or return;
		1562	$ns->send_msg (@_);
		1563	}
		1564
1117	=item $pl->quit_character	1565	=item $pl->quit_character
1118		1566
1119	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1121		1569
…		…
1125	my ($pl) = @_;	1573	my ($pl) = @_;
1126		1574
1127	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1128		1576
1129	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1579
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1136		1586
1137	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1624	or return [];
1175		1625
1176	my @logins;	1626	my @logins;
1177		1627
1178	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
		1629	my $path = path $login;
		1630
		1631	# a .pst is a dead give-away for a valid player
		1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1182		1638
1183	utf8::decode $login;	1639	utf8::decode $login;
1184	push @logins, $login;	1640	push @logins, $login;
1185	}	1641	}
1186		1642
…		…
1213	}	1669	}
1214		1670
1215	\@paths	1671	\@paths
1216	}	1672	}
1217		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1218	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1219		1679
1220	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1221		1681
1222	=cut	1682	=cut
1223		1683
1224	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1226		1686
1227	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1688	}
1231		1689
1232	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1233		1691
1234	Sends an ext event to the client.	1692	Sends an ext event to the client.
1235		1693
1236	=cut	1694	=cut
1237		1695
1238	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1240		1698
1241	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1242	}	1700	}
1243		1701
1244	=head3 cf::region	1702	=head3 cf::region
1245		1703
1246	=over 4	1704	=over 4
…		…
1249		1707
1250	package cf::region;	1708	package cf::region;
1251		1709
1252	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1253		1711
1254	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1255		1713
1256	=cut	1714	=cut
1257		1715
1258	sub find_by_path($) {	1716	sub find_by_path($) {
1259	my ($path) = @_;	1717	my ($path) = @_;
1260		1718
1261	my ($match, $specificity);	1719	my ($match, $specificity);
1262		1720
1263	for my $region (list) {	1721	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1267	}	1725	}
1268	}	1726	}
1269		1727
…		…
1290	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1292		1750
1293	sub generate_random_map {	1751	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
		1753
		1754	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1755
1295	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1757	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1850	$self->init; # pass $1 etc.
1390	return $self;	1851	return $self;
1391	}	1852	}
1392	}	1853	}
1393		1854
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1856	()
1396	}	1857	}
1397		1858
1398	sub init {	1859	sub init {
1399	my ($self) = @_;	1860	my ($self) = @_;
…		…
1421		1882
1422	# the temporary/swap location	1883	# the temporary/swap location
1423	sub save_path {	1884	sub save_path {
1424	my ($self) = @_;	1885	my ($self) = @_;
1425		1886
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1888	"$TMPDIR/$path.map"
1428	}	1889	}
1429		1890
1430	# the unique path, undef == no special unique path	1891	# the unique path, undef == no special unique path
1431	sub uniq_path {	1892	sub uniq_path {
1432	my ($self) = @_;	1893	my ($self) = @_;
1433		1894
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1897	}
1446		1898
1447	sub decay_objects {	1899	sub decay_objects {
1448	my ($self) = @_;	1900	my ($self) = @_;
1449		1901
…		…
1462		1914
1463	sub load_header_from($) {	1915	sub load_header_from($) {
1464	my ($self, $path) = @_;	1916	my ($self, $path) = @_;
1465		1917
1466	utf8::encode $path;	1918	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1920	or return;
		1921
		1922	$self->_load_header ($f)
		1923	or return;
		1924
		1925	local $MAP_LOADING{$self->{path}} = $self;
		1926	$f->resolve_delayed_derefs;
1472		1927
1473	$self->{load_path} = $path;	1928	$self->{load_path} = $path;
1474		1929
1475	1	1930	1
1476	}	1931	}
…		…
1530	sub find {	1985	sub find {
1531	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1532		1987
1533	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1534		1989
		1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1536		1992
1537	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
1540	or return;	1995	or return;
1541		1996
1542	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1543		1998
…		…
1545	or return;	2000	or return;
1546		2001
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1550	$map->reset;	2007	$map->reset;
1551	undef $guard;
1552	return find $path;	2008	return find $path;
1553	}	2009	}
1554		2010
1555	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
1556	}	2012	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2021	local $self->{deny_reset} = 1; # loading can take a long time
1566		2022
1567	my $path = $self->{path};	2023	my $path = $self->{path};
1568		2024
1569	{	2025	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2026	my $guard = cf::lock_acquire "map_data:$path";
1571		2027
		2028	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2030
1574	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1575		2032
1576	$self->alloc;	2033	$self->alloc;
1577		2034
1578	$self->pre_load;	2035	$self->pre_load;
1579	Coro::cede;	2036	cf::cede_to_tick;
1580		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2040	$self->_load_objects ($f)
1582	or return;	2041	or return;
1583		2042
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1585	if delete $self->{load_original};	2044	if delete $self->{load_original};
1586		2045
1587	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2047	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2050	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1592	}	2054	}
1593	}	2055	}
1594		2056
1595	Coro::cede;	2057	$f->resolve_delayed_derefs;
		2058
		2059	cf::cede_to_tick;
1596	# now do the right thing for maps	2060	# now do the right thing for maps
1597	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2063	unless $self->difficulty;
1600	Coro::cede;	2064	cf::cede_to_tick;
1601		2065
1602	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2067	$self->decay_objects;
1604	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
1605	$self->update_buttons;	2069	$self->update_buttons;
1606	Coro::cede;	2070	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2071	$self->activate;
1610	}	2072	}
1611		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2078	}
1614		2079
1615	$self->post_load;	2080	$self->post_load;
1616	}	2081	}
1617		2082
…		…
1626		2091
1627	$self	2092	$self
1628	}	2093	}
1629		2094
1630	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2096	sub load_neighbours {
1632	my ($map) = @_;	2097	my ($map) = @_;
1633		2098
1634	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1635		2100
1636	for (0 .. 3) {	2101	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1638	or next;	2103	or next;
1639	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1640	or next;	2105	or next;
1641	$neigh->load;	2106	$neigh->load;
1642		2107
		2108	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2111	}
1646		2112
1647	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1649	or next;	2116	or next;
1650	$neigh->load;	2117	$neigh->load;
1651	}	2118	}
1652	}	2119	}
1653		2120
…		…
1658	}	2125	}
1659		2126
1660	sub do_load_sync {	2127	sub do_load_sync {
1661	my ($map) = @_;	2128	my ($map) = @_;
1662		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1663	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1664	}	2134	}
1665		2135
1666	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1668		2138
1669	sub find_async {	2139	sub find_async {
1670	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1671		2141
1672	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1673		2143
1674	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2146	}
1677		2147
1678	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1679	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1680	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2155	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2156	$map->load if $v;
		2157	}
1685		2158
1686	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1687	}	2160	}
1688	}	2161	}
1689	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1690	};	2163	};
1691	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2167	}
1695		2168
1696	sub save {	2169	sub save {
1697	my ($self) = @_;	2170	my ($self) = @_;
1698		2171
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2173
1701	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1702		2175
1703	return unless $self->dirty;	2176	return unless $self->dirty;
1704		2177
…		…
1710	return if $self->{deny_save};	2183	return if $self->{deny_save};
1711		2184
1712	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1713		2186
1714	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1716	};	2190	};
		2191
		2192	cf::get_slot 0.02;
1717		2193
1718	if ($uniq) {	2194	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2197	} else {
…		…
1727	my ($self) = @_;	2203	my ($self) = @_;
1728		2204
1729	# save first because save cedes	2205	# save first because save cedes
1730	$self->save;	2206	$self->save;
1731		2207
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2209
1734	return if $self->players;	2210	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2212	return if $self->{deny_save};
1737		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2218	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2219	}
1741		2220
1742	sub reset_at {	2221	sub reset_at {
1743	my ($self) = @_;	2222	my ($self) = @_;
1744		2223
…		…
1762		2241
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2243
1765	return if $self->players;	2244	return if $self->players;
1766		2245
1767	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
1768		2247
1769	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
1770		2249
1771	# need to save uniques path	2250	# need to save uniques path
1772	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2255	if $uniq;
1777	}	2256	}
1778		2257
1779	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1780		2259
		2260	$self->deactivate;
		2261	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2262	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2263
1785	$self->unlink_save;	2264	$self->unlink_save;
1786	$self->destroy;	2265	$self->destroy;
1787	}	2266	}
1788		2267
1789	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1790		2269
1791	sub nuke {	2270	sub nuke {
1792	my ($self) = @_;	2271	my ($self) = @_;
1793		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
1794	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1795		2277
1796	$self->unlink_save;	2278	$self->unlink_save;
1797		2279
1798	bless $self, "cf::map";	2280	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2281	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2285
1804	$cf::MAP{$self->path} = $self;	2286	$cf::MAP{$self->path} = $self;
		2287	}
1805		2288
1806	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
1807	}	2290	}
1808		2291
1809	=item $maps = cf::map::tmp_maps	2292	=item $maps = cf::map::tmp_maps
…		…
1851		2334
1852	sub unique_maps() {	2335	sub unique_maps() {
1853	[	2336	[
1854	map {	2337	map {
1855	utf8::decode $_;	2338	utf8::decode $_;
1856	/\.map$/	2339	s/\.map$//; # TODO future compatibility hack
		2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2341	? ()
1857	? normalise $_	2342	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2344	]
1861	}	2345	}
1862		2346
1863	package cf;	2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
1864		2378
1865	=back	2379	=back
1866		2380
1867	=head3 cf::object	2381	=head3 cf::object
1868		2382
…		…
1872		2386
1873	=over 4	2387	=over 4
1874		2388
1875	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
1876		2390
1877	Returns the inventory of the object _and_ their inventories, recursively.	2391	Returns the inventory of the object I<and> their inventories, recursively,
		2392	but I<not> the object itself.
1878		2393
1879	=cut	2394	=cut
1880		2395
1881	sub inv_recursive_;	2396	sub inv_recursive_;
1882	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
1885		2400
1886	sub inv_recursive {	2401	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
1888	}	2403	}
1889		2404
		2405	=item $ref = $ob->ref
		2406
		2407	Creates and returns a persistent reference to an object that can be stored as a string.
		2408
		2409	=item $ob = cf::object::deref ($refstring)
		2410
		2411	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2412	even if the object actually exists. May block.
		2413
		2414	=cut
		2415
		2416	sub deref {
		2417	my ($ref) = @_;
		2418
		2419	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2420	my ($uuid, $name) = ($1, $2);
		2421	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2422	or return;
		2423	$pl->ob->uuid eq $uuid
		2424	or return;
		2425
		2426	$pl->ob
		2427	} else {
		2428	warn "$ref: cannot resolve object reference\n";
		2429	undef
		2430	}
		2431	}
		2432
1890	package cf;	2433	package cf;
1891		2434
1892	=back	2435	=back
1893		2436
1894	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
1903		2446
1904	=cut	2447	=cut
		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
1905		2462
1906	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2464	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
1911		2468
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2469	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2470
1914	if ($self->{record_replies}) {	2471	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2472	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2473
1916	} else {	2474	} else {
		2475	my $pl = $self->contr;
		2476
		2477	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2478	my $dialog = $pl->{npc_dialog};
		2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2480
		2481	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2484	}
1919	}	2485	}
		2486	}
		2487
		2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	=cut
		2491
		2492	sub cf::object::send_msg {
		2493	my $pl = shift->contr
		2494	or return;
		2495	$pl->send_msg (@_);
1920	}	2496	}
1921		2497
1922	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
1923		2499
1924	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
1937		2513
1938	=item $player_object->enter_link	2514	=item $player_object->enter_link
1939		2515
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2517
1942	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
1944		2522
1945	Will never block.	2523	Will never block.
1946		2524
1947	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
1948		2526
…		…
2000	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
2002		2580
2003	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
2006		2584
2007	$map->load;	2585	$map->load;
2008	$map->load_diag;	2586	$map->load_neighbours;
2009		2587
2010	return unless $self->contr->active;	2588	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2589
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
2015	}
2016		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
		2595	}
		2596
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2598
2019	Moves the player to the given map-path and coordinates by first freezing	2599	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2601	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2602	the new (success) or old (failed) map position. In either case, $done will
		2603	be called at the end of this process.
		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
2023		2607
2024	=cut	2608	=cut
2025		2609
2026	our $GOTOGEN;	2610	our $GOTOGEN;
2027		2611
2028	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2614
2031	# do generation counting so two concurrent goto's will be executed in-order	2615	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2617
2034	$self->enter_link;	2618	$self->enter_link;
2035		2619
2036	(async {	2620	(async {
		2621	$Coro::current->{desc} = "player::goto $path $x $y";
		2622
		2623	# *tag paths override both path and x|y
		2624	if ($path =~ /^\*(.*)$/) {
		2625	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2626	my $ob = $obs[rand @obs];
		2627
		2628	# see if we actually can go there
		2629	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2630	$ob = $obs[rand @obs];
		2631	} else {
		2632	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2633	}
		2634	# else put us there anyways for now #d#
		2635
		2636	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2637	} else {
		2638	($path, $x, $y) = (undef, undef, undef);
		2639	}
		2640	}
		2641
2037	my $map = eval {	2642	my $map = eval {
2038	my $map = cf::map::find $path;	2643	my $map = defined $path ? cf::map::find $path : undef;
2039		2644
2040	if ($map) {	2645	if ($map) {
2041	$map = $map->customise_for ($self);	2646	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2647	$map = $check->($map) if $check && $map;
2043	} else {	2648	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2650	}
2046		2651
2047	$map	2652	$map
2048	};	2653	};
2049		2654
…		…
2054		2659
2055	if ($gen == $self->{_goto_generation}) {	2660	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2661	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
2058	}	2663	}
		2664
		2665	$done->() if $done;
2059	})->prio (1);	2666	})->prio (1);
2060	}	2667	}
2061		2668
2062	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
2063		2670
…		…
2083	}	2690	}
2084		2691
2085	sub prepare_random_map {	2692	sub prepare_random_map {
2086	my ($exit) = @_;	2693	my ($exit) = @_;
2087		2694
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2697	# that depends on the exit object
2093		2698
2094	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2701	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2101	}	2708	}
2102		2709
2103	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2104		2711
2105	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2714	my $meta = "$RANDOMDIR/$md5.meta";
2108		2715
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2718	undef $fh;
2112	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2113		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2116	}	2727	}
2117	}	2728	}
2118		2729
2119	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2121		2732
2122	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2123		2734
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2735	$self->enter_link;
2136		2736
2137	(async {	2737	(async {
2138	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
2139	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2140	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2141		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2142	1;	2761	1
2143	}) {	2762	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2767
2149	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2168		2787
2169	utf8::encode $text;	2788	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2789	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2790	}
2172		2791
		2792	=item $client->send_big_packet ($pkt)
		2793
		2794	Like C<send_packet>, but tries to compress large packets, and fragments
		2795	them as required.
		2796
		2797	=cut
		2798
		2799	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2800
		2801	sub cf::client::send_big_packet {
		2802	my ($self, $pkt) = @_;
		2803
		2804	# try lzf for large packets
		2805	$pkt = "lzf " . Compress::LZF::compress $pkt
		2806	if 1024 <= length $pkt and $self->{can_lzf};
		2807
		2808	# split very large packets
		2809	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2810	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2811	$pkt = "frag";
		2812	}
		2813
		2814	$self->send_packet ($pkt);
		2815	}
		2816
		2817	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2818
		2819	Send a drawinfo or msg packet to the client, formatting the msg for the
		2820	client if neccessary. C<$type> should be a string identifying the type of
		2821	the message, with C<log> being the default. If C<$color> is negative, suppress
		2822	the message unless the client supports the msg packet.
		2823
		2824	=cut
		2825
		2826	# non-persistent channels (usually the info channel)
		2827	our %CHANNEL = (
		2828	"c/motd" => {
		2829	id => "infobox",
		2830	title => "MOTD",
		2831	reply => undef,
		2832	tooltip => "The message of the day",
		2833	},
		2834	"c/identify" => {
		2835	id => "infobox",
		2836	title => "Identify",
		2837	reply => undef,
		2838	tooltip => "Items recently identified",
		2839	},
		2840	"c/examine" => {
		2841	id => "infobox",
		2842	title => "Examine",
		2843	reply => undef,
		2844	tooltip => "Signs and other items you examined",
		2845	},
		2846	"c/shopinfo" => {
		2847	id => "infobox",
		2848	title => "Shop Info",
		2849	reply => undef,
		2850	tooltip => "What your bargaining skill tells you about the shop",
		2851	},
		2852	"c/book" => {
		2853	id => "infobox",
		2854	title => "Book",
		2855	reply => undef,
		2856	tooltip => "The contents of a note or book",
		2857	},
		2858	"c/lookat" => {
		2859	id => "infobox",
		2860	title => "Look",
		2861	reply => undef,
		2862	tooltip => "What you saw there",
		2863	},
		2864	"c/who" => {
		2865	id => "infobox",
		2866	title => "Players",
		2867	reply => undef,
		2868	tooltip => "Shows players who are currently online",
		2869	},
		2870	"c/body" => {
		2871	id => "infobox",
		2872	title => "Body Parts",
		2873	reply => undef,
		2874	tooltip => "Shows which body parts you posess and are available",
		2875	},
		2876	"c/statistics" => {
		2877	id => "infobox",
		2878	title => "Statistics",
		2879	reply => undef,
		2880	tooltip => "Shows your primary statistics",
		2881	},
		2882	"c/skills" => {
		2883	id => "infobox",
		2884	title => "Skills",
		2885	reply => undef,
		2886	tooltip => "Shows your experience per skill and item power",
		2887	},
		2888	"c/shopitems" => {
		2889	id => "infobox",
		2890	title => "Shop Items",
		2891	reply => undef,
		2892	tooltip => "Shows the items currently for sale in this shop",
		2893	},
		2894	"c/resistances" => {
		2895	id => "infobox",
		2896	title => "Resistances",
		2897	reply => undef,
		2898	tooltip => "Shows your resistances",
		2899	},
		2900	"c/pets" => {
		2901	id => "infobox",
		2902	title => "Pets",
		2903	reply => undef,
		2904	tooltip => "Shows information abotu your pets/a specific pet",
		2905	},
		2906	"c/perceiveself" => {
		2907	id => "infobox",
		2908	title => "Perceive Self",
		2909	reply => undef,
		2910	tooltip => "You gained detailed knowledge about yourself",
		2911	},
		2912	"c/uptime" => {
		2913	id => "infobox",
		2914	title => "Uptime",
		2915	reply => undef,
		2916	tooltip => "How long the server has been running since last restart",
		2917	},
		2918	"c/mapinfo" => {
		2919	id => "infobox",
		2920	title => "Map Info",
		2921	reply => undef,
		2922	tooltip => "Information related to the maps",
		2923	},
		2924	"c/party" => {
		2925	id => "party",
		2926	title => "Party",
		2927	reply => "gsay ",
		2928	tooltip => "Messages and chat related to your party",
		2929	},
		2930	"c/death" => {
		2931	id => "death",
		2932	title => "Death",
		2933	reply => undef,
		2934	tooltip => "Reason for and more info about your most recent death",
		2935	},
		2936	"c/say" => $SAY_CHANNEL,
		2937	"c/chat" => $CHAT_CHANNEL,
		2938	);
		2939
		2940	sub cf::client::send_msg {
		2941	my ($self, $channel, $msg, $color, @extra) = @_;
		2942
		2943	$msg = $self->pl->expand_cfpod ($msg)
		2944	unless $color & cf::NDI_VERBATIM;
		2945
		2946	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2947
		2948	# check predefined channels, for the benefit of C
		2949	if ($CHANNEL{$channel}) {
		2950	$channel = $CHANNEL{$channel};
		2951
		2952	$self->ext_msg (channel_info => $channel);
		2953	$channel = $channel->{id};
		2954
		2955	} elsif (ref $channel) {
		2956	# send meta info to client, if not yet sent
		2957	unless (exists $self->{channel}{$channel->{id}}) {
		2958	$self->{channel}{$channel->{id}} = $channel;
		2959	$self->ext_msg (channel_info => $channel);
		2960	}
		2961
		2962	$channel = $channel->{id};
		2963	}
		2964
		2965	return unless @extra || length $msg;
		2966
		2967	# default colour, mask it out
		2968	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2969	if $color & cf::NDI_DEF;
		2970
		2971	my $pkt = "msg "
		2972	. $self->{json_coder}->encode (
		2973	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2974	);
		2975
		2976	$self->send_big_packet ($pkt);
		2977	}
		2978
2173	=item $client->ext_event ($type, %msg)	2979	=item $client->ext_msg ($type, @msg)
2174		2980
2175	Sends an exti event to the client.	2981	Sends an ext event to the client.
2176		2982
2177	=cut	2983	=cut
2178		2984
2179	sub cf::client::ext_event($$%) {	2985	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2986	my ($self, $type, @msg) = @_;
2181		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2990	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2991	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2992	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2993	}
		2994	}
		2995
		2996	=item $client->ext_reply ($msgid, @msg)
		2997
		2998	Sends an ext reply to the client.
		2999
		3000	=cut
		3001
		3002	sub cf::client::ext_reply($$@) {
		3003	my ($self, $id, @msg) = @_;
		3004
		3005	if ($self->extcmd == 2) {
		3006	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3007	} elsif ($self->extcmd == 1) {
		3008	#TODO: version 1, remove
		3009	unshift @msg, msgtype => "reply", msgid => $id;
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
2184	}	3012	}
2185		3013
2186	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
2187		3015
2188	Queues a query to the client, calling the given callback with	3016	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3017	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3018	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3019
2192	Queries can fail, so check the return code. Or don't, as queries will become	3020	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3021	become reliable at some point in the future.
2194		3022
2195	=cut	3023	=cut
2196		3024
2197	sub cf::client::query {	3025	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3026	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3034	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3035	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3036
2209	$self->send_packet ($self->{query_queue}[0][0])	3037	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3038	if @{ $self->{query_queue} } == 1;
		3039
		3040	1
2211	}	3041	}
2212		3042
2213	cf::client->attach (	3043	cf::client->attach (
		3044	on_connect => sub {
		3045	my ($ns) = @_;
		3046
		3047	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3048	},
2214	on_reply => sub {	3049	on_reply => sub {
2215	my ($ns, $msg) = @_;	3050	my ($ns, $msg) = @_;
2216		3051
2217	# this weird shuffling is so that direct followup queries	3052	# this weird shuffling is so that direct followup queries
2218	# get handled first	3053	# get handled first
…		…
2230	} else {	3065	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3066	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3067	}
2233	}	3068	}
2234	},	3069	},
		3070	on_exticmd => sub {
		3071	my ($ns, $buf) = @_;
		3072
		3073	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3074
		3075	if (ref $msg) {
		3076	my ($type, $reply, @payload) =
		3077	"ARRAY" eq ref $msg
		3078	? @$msg
		3079	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3080
		3081	my @reply;
		3082
		3083	if (my $cb = $EXTICMD{$type}) {
		3084	@reply = $cb->($ns, @payload);
		3085	}
		3086
		3087	$ns->ext_reply ($reply, @reply)
		3088	if $reply;
		3089
		3090	} else {
		3091	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3092	}
		3093
		3094	cf::override;
		3095	},
2235	);	3096	);
2236		3097
2237	=item $client->async (\&cb)	3098	=item $client->async (\&cb)
2238		3099
2239	Create a new coroutine, running the specified callback. The coroutine will	3100	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3141	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3142	our $safe_hole = new Safe::Hole;
2282		3143
2283	$SIG{FPE} = 'IGNORE';	3144	$SIG{FPE} = 'IGNORE';
2284		3145
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3146	$safe->permit_only (Opcode::opset qw(
		3147	:base_core :base_mem :base_orig :base_math
		3148	grepstart grepwhile mapstart mapwhile
		3149	sort time
		3150	));
2286		3151
2287	# here we export the classes and methods available to script code	3152	# here we export the classes and methods available to script code
2288		3153
2289	=pod	3154	=pod
2290		3155
2291	The following functions and methods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
2292		3157
2293	cf::object contr pay_amount pay_player map	3158	cf::object
		3159	contr pay_amount pay_player map x y force_find force_add destroy
		3160	insert remove name archname title slaying race decrease split
		3161	value
		3162
2294	cf::object::player player	3163	cf::object::player
2295	cf::player peaceful	3164	player
2296	cf::map trigger	3165
		3166	cf::player
		3167	peaceful
		3168
		3169	cf::map
		3170	trigger
2297		3171
2298	=cut	3172	=cut
2299		3173
2300	for (	3174	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3175	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3176	insert remove inv nrof name archname title slaying race
		3177	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
2305	) {	3181	) {
2306	no strict 'refs';	3182	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2325	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
2326		3202
2327	my $qcode = $code;	3203	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
2330		3208
2331	local $_;	3209	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
2333		3211
2334	my $eval =	3212	my $eval =
…		…
2377	=back	3255	=back
2378		3256
2379	=cut	3257	=cut
2380		3258
2381	#############################################################################	3259	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3260	# the server's init and main functions
2555		3261
2556	sub load_facedata($) {	3262	sub load_facedata($) {
2557	my ($path) = @_;	3263	my ($path) = @_;
		3264
		3265	# HACK to clear player env face cache, we need some signal framework
		3266	# for this (global event?)
		3267	%ext::player_env::MUSIC_FACE_CACHE = ();
		3268
		3269	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3270
2559	warn "loading facedata from $path\n";	3271	warn "loading facedata from $path\n";
2560		3272
2561	my $facedata;	3273	my $facedata;
2562	0 < aio_load $path, $facedata	3274	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3277	$facedata = Coro::Storable::thaw $facedata;
2566		3278
2567	$facedata->{version} == 2	3279	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3280	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3281
		3282	# patch in the exptable
		3283	$facedata->{resource}{"res/exp_table"} = {
		3284	type => FT_RSRC,
		3285	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3286	};
		3287	cf::cede_to_tick;
		3288
2570	{	3289	{
2571	my $faces = $facedata->{faceinfo};	3290	my $faces = $facedata->{faceinfo};
2572		3291
2573	while (my ($face, $info) = each %$faces) {	3292	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3293	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3294
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3295	cf::face::set_visibility $idx, $info->{visibility};
		3296	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3297	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3298	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3299
		3300	cf::cede_to_tick;
2579	}	3301	}
2580		3302
2581	while (my ($face, $info) = each %$faces) {	3303	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3304	next unless $info->{smooth};
		3305
2583	my $idx = cf::face::find $face	3306	my $idx = cf::face::find $face
2584	or next;	3307	or next;
		3308
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3309	if (my $smooth = cf::face::find $info->{smooth}) {
		3310	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3311	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3312	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3313	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3314	}
2590	Coro::cede;	3315
		3316	cf::cede_to_tick;
2591	}	3317	}
2592	}	3318	}
2593		3319
2594	{	3320	{
2595	my $anims = $facedata->{animinfo};	3321	my $anims = $facedata->{animinfo};
2596		3322
2597	while (my ($anim, $info) = each %$anims) {	3323	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3324	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3325	cf::cede_to_tick;
2600	}	3326	}
2601		3327
2602	cf::anim::invalidate_all; # d'oh	3328	cf::anim::invalidate_all; # d'oh
2603	}	3329	}
2604		3330
		3331	{
		3332	# TODO: for gcfclient pleasure, we should give resources
		3333	# that gcfclient doesn't grok a >10000 face index.
		3334	my $res = $facedata->{resource};
		3335
		3336	while (my ($name, $info) = each %$res) {
		3337	if (defined $info->{type}) {
		3338	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3339	my $data;
		3340
		3341	if ($info->{type} & 1) {
		3342	# prepend meta info
		3343
		3344	my $meta = $enc->encode ({
		3345	name => $name,
		3346	%{ $info->{meta} || {} },
		3347	});
		3348
		3349	$data = pack "(w/a*)*", $meta, $info->{data};
		3350	} else {
		3351	$data = $info->{data};
		3352	}
		3353
		3354	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3355	cf::face::set_type $idx, $info->{type};
		3356	} else {
		3357	$RESOURCE{$name} = $info;
		3358	}
		3359
		3360	cf::cede_to_tick;
		3361	}
		3362	}
		3363
		3364	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3365
2605	1	3366	1
2606	}	3367	}
2607		3368
		3369	cf::global->attach (on_resource_update => sub {
		3370	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3371	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3372
		3373	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3374	my $sound = $soundconf->{compat}[$_]
		3375	or next;
		3376
		3377	my $face = cf::face::find "sound/$sound->[1]";
		3378	cf::sound::set $sound->[0] => $face;
		3379	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3380	}
		3381
		3382	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3383	my $face = cf::face::find "sound/$v";
		3384	cf::sound::set $k => $face;
		3385	}
		3386	}
		3387	});
		3388
		3389	register_exticmd fx_want => sub {
		3390	my ($ns, $want) = @_;
		3391
		3392	while (my ($k, $v) = each %$want) {
		3393	$ns->fx_want ($k, $v);
		3394	}
		3395	};
		3396
		3397	sub load_resource_file($) {
		3398	my $guard = lock_acquire "load_resource_file";
		3399
		3400	my $status = load_resource_file_ $_[0];
		3401	get_slot 0.1, 100;
		3402	cf::arch::commit_load;
		3403
		3404	$status
		3405	}
		3406
2608	sub reload_regions {	3407	sub reload_regions {
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
2609	load_resource_file "$MAPDIR/regions"	3412	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3413	or die "unable to load regions file\n";
		3414
		3415	for (cf::region::list) {
		3416	$_->{match} = qr/$_->{match}/
		3417	if exists $_->{match};
		3418	}
2611	}	3419	}
2612		3420
2613	sub reload_facedata {	3421	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3422	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3423	or die "unable to load facedata\n";
…		…
2626	}	3434	}
2627		3435
2628	sub reload_resources {	3436	sub reload_resources {
2629	warn "reloading resource files...\n";	3437	warn "reloading resource files...\n";
2630		3438
		3439	reload_facedata;
		3440	reload_archetypes;
2631	reload_regions;	3441	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3442	reload_treasures;
2636		3443
2637	warn "finished reloading resource files\n";	3444	warn "finished reloading resource files\n";
2638	}	3445	}
2639		3446
2640	sub init {	3447	sub reload_config {
2641	reload_resources;	3448	warn "reloading config file...\n";
2642	}
2643		3449
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3451	or return;
2647		3452
2648	local $/;	3453	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
2650		3455
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3457
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3458	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3459	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3465	};
2661	warn $@ if $@;	3466	warn $@ if $@;
2662	}	3467	}
		3468
		3469	warn "finished reloading resource files\n";
		3470	}
		3471
		3472	sub pidfile() {
		3473	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3474	or die "$PIDFILE: $!";
		3475	flock $fh, &Fcntl::LOCK_EX
		3476	or die "$PIDFILE: flock: $!";
		3477	$fh
		3478	}
		3479
		3480	# make sure only one server instance is running at any one time
		3481	sub atomic {
		3482	my $fh = pidfile;
		3483
		3484	my $pid = <$fh>;
		3485	kill 9, $pid if $pid > 0;
		3486
		3487	seek $fh, 0, 0;
		3488	print $fh $$;
		3489	}
		3490
		3491	sub main_loop {
		3492	warn "EV::loop starting\n";
		3493	if (1) {
		3494	EV::loop;
		3495	}
		3496	warn "EV::loop returned\n";
		3497	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3498	}
2664		3499
2665	sub main {	3500	sub main {
		3501	cf::init_globals; # initialise logging
		3502
		3503	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3504	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3505	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3506	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3507
		3508	cf::init_experience;
		3509	cf::init_anim;
		3510	cf::init_attackmess;
		3511	cf::init_dynamic;
		3512
		3513	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3514
2666	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3517	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3518	(async {
2670	Event::one_event;	3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3520	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3521	})->prio (Coro::PRIO_MAX);
2672	};	3522	};
2673		3523
2674	cfg_load;	3524	evthread_start IO::AIO::poll_fileno;
		3525
		3526	cf::sync_job {
		3527	reload_resources;
		3528	reload_config;
2675	db_init;	3529	db_init;
		3530
		3531	cf::load_settings;
		3532	cf::load_materials;
		3533	cf::init_uuid;
		3534	cf::init_signals;
		3535	cf::init_commands;
		3536	cf::init_skills;
		3537
		3538	cf::init_beforeplay;
		3539
		3540	atomic;
		3541
2676	load_extensions;	3542	load_extensions;
2677		3543
2678	$TICK_WATCHER->start;	3544	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3545
		3546	# no (long-running) fork's whatsoever before this point(!)
		3547	use POSIX ();
		3548	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3549
		3550	(pop @POST_INIT)->(0) while @POST_INIT;
		3551	};
		3552
		3553	main_loop;
2680	}	3554	}
2681		3555
2682	#############################################################################	3556	#############################################################################
2683	# initialisation and cleanup	3557	# initialisation and cleanup
2684		3558
2685	# install some emergency cleanup handlers	3559	# install some emergency cleanup handlers
2686	BEGIN {	3560	BEGIN {
		3561	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3562	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3563	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3564	cf::cleanup "SIG$signal";
2695	},
2696	);	3565	};
		3566	}
		3567	}
		3568
		3569	sub write_runtime_sync {
		3570	# first touch the runtime file to show we are still running:
		3571	# the fsync below can take a very very long time.
		3572
		3573	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3574
		3575	my $guard = cf::lock_acquire "write_runtime";
		3576
		3577	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3578	or return;
		3579
		3580	my $value = $cf::RUNTIME + 90 + 10;
		3581	# 10 is the runtime save interval, for a monotonic clock
		3582	# 60 allows for the watchdog to kill the server.
		3583
		3584	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3585	and return;
		3586
		3587	# always fsync - this file is important
		3588	aio_fsync $fh
		3589	and return;
		3590
		3591	# touch it again to show we are up-to-date
		3592	aio_utime $fh, undef, undef;
		3593
		3594	close $fh
		3595	or return;
		3596
		3597	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3598	and return;
		3599
		3600	warn "runtime file written.\n";
		3601
2697	}	3602	1
		3603	}
		3604
		3605	our $uuid_lock;
		3606	our $uuid_skip;
		3607
		3608	sub write_uuid_sync($) {
		3609	$uuid_skip ||= $_[0];
		3610
		3611	return if $uuid_lock;
		3612	local $uuid_lock = 1;
		3613
		3614	my $uuid = "$LOCALDIR/uuid";
		3615
		3616	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3617	or return;
		3618
		3619	my $value = uuid_seq uuid_cur;
		3620
		3621	unless ($value) {
		3622	warn "cowardly refusing to write zero uuid value!\n";
		3623	return;
		3624	}
		3625
		3626	my $value = uuid_str $value + $uuid_skip;
		3627	$uuid_skip = 0;
		3628
		3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3630	and return;
		3631
		3632	# always fsync - this file is important
		3633	aio_fsync $fh
		3634	and return;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$uuid~", $uuid
		3640	and return;
		3641
		3642	warn "uuid file written ($value).\n";
		3643
		3644	1
		3645
		3646	}
		3647
		3648	sub write_uuid($$) {
		3649	my ($skip, $sync) = @_;
		3650
		3651	$sync ? write_uuid_sync $skip
		3652	: async { write_uuid_sync $skip };
2698	}	3653	}
2699		3654
2700	sub emergency_save() {	3655	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3656	my $freeze_guard = cf::freeze_mainloop;
2702		3657
2703	warn "enter emergency perl save\n";	3658	warn "emergency_perl_save: enter\n";
2704		3659
2705	cf::sync_job {	3660	cf::sync_job {
		3661	# this is a trade-off: we want to be very quick here, so
		3662	# save all maps without fsync, and later call a global sync
		3663	# (which in turn might be very very slow)
		3664	local $USE_FSYNC = 0;
		3665
2706	# use a peculiar iteration method to avoid tripping on perl	3666	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3667	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3668	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3669	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3670	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3671	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3672	$pl->valid or next;
		3673	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3674	$pl->save;
2714	}	3675	}
2715	warn "end emergency player save\n";	3676	warn "emergency_perl_save: end player save\n";
2716		3677
2717	warn "begin emergency map save\n";	3678	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3679	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3680	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3681	$map->valid or next;
2721	$map->save;	3682	$map->save;
2722	}	3683	}
2723	warn "end emergency map save\n";	3684	warn "emergency_perl_save: end map save\n";
2724		3685
2725	warn "begin emergency database checkpoint\n";	3686	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3687	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3688	warn "emergency_perl_save: end database checkpoint\n";
		3689
		3690	warn "emergency_perl_save: begin write uuid\n";
		3691	write_uuid_sync 1;
		3692	warn "emergency_perl_save: end write uuid\n";
2728	};	3693	};
2729		3694
		3695	warn "emergency_perl_save: starting sync()\n";
		3696	IO::AIO::aio_sync sub {
		3697	warn "emergency_perl_save: finished sync()\n";
		3698	};
		3699
2730	warn "leave emergency perl save\n";	3700	warn "emergency_perl_save: leave\n";
2731	}	3701	}
2732		3702
2733	sub post_cleanup {	3703	sub post_cleanup {
2734	my ($make_core) = @_;	3704	my ($make_core) = @_;
2735		3705
2736	warn Carp::longmess "post_cleanup backtrace"	3706	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3707	if $make_core;
		3708
		3709	my $fh = pidfile;
		3710	unlink $PIDFILE if <$fh> == $$;
		3711	}
		3712
		3713	# a safer delete_package, copied from Symbol
		3714	sub clear_package($) {
		3715	my $pkg = shift;
		3716
		3717	# expand to full symbol table name if needed
		3718	unless ($pkg =~ /^main::.*::$/) {
		3719	$pkg = "main$pkg" if $pkg =~ /^::/;
		3720	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3721	$pkg .= '::' unless $pkg =~ /::$/;
		3722	}
		3723
		3724	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3725	my $stem_symtab = *{$stem}{HASH};
		3726
		3727	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3728	or return;
		3729
		3730	# clear all symbols
		3731	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3732	for my $name (keys %$leaf_symtab) {
		3733	_gv_clear *{"$pkg$name"};
		3734	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3735	}
		3736	warn "cleared package $pkg\n";#d#
2738	}	3737	}
2739		3738
2740	sub do_reload_perl() {	3739	sub do_reload_perl() {
2741	# can/must only be called in main	3740	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3742	warn "can only reload from main coroutine";
2744	return;	3743	return;
2745	}	3744	}
2746		3745
		3746	return if $RELOAD++;
		3747
		3748	my $t1 = EV::time;
		3749
		3750	while ($RELOAD) {
2747	warn "reloading...";	3751	warn "reloading...";
2748		3752
2749	warn "entering sync_job";	3753	warn "entering sync_job";
2750		3754
2751	cf::sync_job {	3755	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3756	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3757	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3758	cf::write_runtime_sync; # external watchdog should not bark
2755		3759
2756	warn "syncing database to disk";	3760	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3761	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3762
2759	# if anything goes wrong in here, we should simply crash as we already saved	3763	# if anything goes wrong in here, we should simply crash as we already saved
2760		3764
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3765	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3766	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3767	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3768	}
2797		3769
2798	warn "... nuking $pkg";	3770	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3771	$_->cancel for values %EXT_CORO;
2800	}	3772	%EXT_CORO = ();
2801		3773
2802	warn "unloading all perl modules loaded from $LIBDIR";	3774	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3775	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3776
		3777	warn "removing ext/exti commands";
		3778	%EXTCMD = ();
		3779	%EXTICMD = ();
		3780
		3781	warn "unloading/nuking all extensions";
		3782	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3783	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3784
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3785	if (my $cb = $pkg->can ("unload")) {
		3786	eval {
2813	$cb->();	3787	$cb->($pkg);
		3788	1
		3789	} or warn "$pkg unloaded, but with errors: $@";
		3790	}
		3791
		3792	warn "... clearing $pkg";
		3793	clear_package $pkg;
2814	}	3794	}
2815		3795
2816	Symbol::delete_package $k;	3796	warn "unloading all perl modules loaded from $LIBDIR";
		3797	while (my ($k, $v) = each %INC) {
		3798	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3799
		3800	warn "... unloading $k";
		3801	delete $INC{$k};
		3802
		3803	$k =~ s/\.pm$//;
		3804	$k =~ s/\//::/g;
		3805
		3806	if (my $cb = $k->can ("unload_module")) {
		3807	$cb->();
		3808	}
		3809
		3810	clear_package $k;
2817	}	3811	}
2818		3812
2819	warn "getting rid of safe::, as good as possible";	3813	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3814	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3815	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3816
2823	warn "unloading cf.pm \"a bit\"";	3817	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3818	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3819	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3820
2827	# don't, removes xs symbols, too,	3821	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3822	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3823	#clear_package __PACKAGE__;
2830		3824
2831	warn "unload completed, starting to reload now";	3825	warn "unload completed, starting to reload now";
2832		3826
2833	warn "reloading cf.pm";	3827	warn "reloading cf.pm";
2834	require cf;	3828	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3829	cf::_connect_to_perl_1;
2836		3830
2837	warn "loading config and database again";	3831	warn "loading config and database again";
2838	cf::cfg_load;	3832	cf::reload_config;
2839		3833
2840	warn "loading extensions";	3834	warn "loading extensions";
2841	cf::load_extensions;	3835	cf::load_extensions;
2842		3836
		3837	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3838	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3839	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3840	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3841	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3842	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3843	reattach $_ for values %PLAYER;
		3844	}
2849		3845
		3846	warn "running post_init jobs";
		3847	(pop @POST_INIT)->(1) while @POST_INIT;
		3848
2850	warn "leaving sync_job";	3849	warn "leaving sync_job";
2851		3850
2852	1	3851	1
2853	} or do {	3852	} or do {
2854	warn $@;	3853	warn $@;
2855	warn "error while reloading, exiting.";	3854	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3855	};
2858		3856
2859	warn "reloaded";	3857	warn "reloaded";
		3858	--$RELOAD;
		3859	}
		3860
		3861	$t1 = EV::time - $t1;
		3862	warn "reload completed in ${t1}s\n";
2860	};	3863	};
2861		3864
2862	our $RELOAD_WATCHER; # used only during reload	3865	our $RELOAD_WATCHER; # used only during reload
2863		3866
2864	sub reload_perl() {	3867	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3868	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3869	# coro crashes during coro_state_free->destroy here.
2867		3870
2868	$RELOAD_WATCHER ||= Event->timer (	3871	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3872	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3873
2871	data => WF_AUTOCANCEL,	3874	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3875	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3876	undef $RELOAD_WATCHER;
2875	},	3877	};
2876	);	3878	};
2877	}	3879	}
2878		3880
2879	register_command "reload" => sub {	3881	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3882	my ($who, $arg) = @_;
2881		3883
2882	if ($who->flag (FLAG_WIZ)) {	3884	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3885	$who->message ("reloading server.");
		3886	async {
		3887	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3888	reload_perl;
		3889	};
2885	}	3890	}
2886	};	3891	};
2887		3892
2888	unshift @INC, $LIBDIR;	3893	unshift @INC, $LIBDIR;
2889		3894
…		…
2891		3896
2892	our @WAIT_FOR_TICK;	3897	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3898	our @WAIT_FOR_TICK_BEGIN;
2894		3899
2895	sub wait_for_tick {	3900	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3901	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3902
2899	my $signal = new Coro::Signal;	3903	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3904	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3905	$signal->wait;
2902	}	3906	}
2903		3907
2904	sub wait_for_tick_begin {	3908	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3909	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3910
2908	my $signal = new Coro::Signal;	3911	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3912	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3913	$signal->wait;
2911	}	3914	}
2912		3915
2913	my $min = 1e6;#d#	3916	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3917	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3918	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3919	unless ++$bug_warning > 10;
2925	return;	3920	return;
2926	}	3921	}
2927		3922
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3923	cf::server_tick; # one server iteration
2931		3924
2932	0 && sync_job {#d#	3925	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3926	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3927	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3928	$Coro::current->{desc} = "runtime saver";
2936	or die;	3929	write_runtime_sync
2937		3930	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3931	};
		3932	}
2954		3933
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3934	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3935	$sig->send;
2971	}	3936	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3937	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3938	$sig->send;
2974	}	3939	}
2975		3940
2976	$NOW = Event::time;	3941	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3942	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3943
2987	_post_tick;	3944	if (0) {
2988		3945	if ($NEXT_TICK) {
2989		3946	my $jitter = $TICK_START - $NEXT_TICK;
		3947	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3948	warn "jitter $JITTER\n";#d#
		3949	}
2990	},	3950	}
2991	);	3951	}
2992		3952
2993	{	3953	{
2994	BDB::max_poll_time $TICK * 0.1;	3954	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3955
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3956	BDB::min_parallel 8;
3004		3957	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3958	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3959
3020	unless ($DB_ENV) {	3960	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3961	$DB_ENV = BDB::db_env_create;
		3962	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3963	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3964	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3965	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3966	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3967
3023	cf::sync_job {	3968	cf::sync_job {
3024	eval {	3969	eval {
3025	BDB::db_env_open	3970	BDB::db_env_open
3026	$DB_ENV,	3971	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3973	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3974	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3975	0666;
3031		3976
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3977	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3978	};
3037		3979
3038	cf::cleanup "db_env_open(db): $@" if $@;	3980	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3981	};
3040	}	3982	}
		3983
		3984	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3985	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3986	};
		3987	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3988	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3989	};
		3990	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3991	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3992	};
3041	}	3993	}
3042		3994
3043	{	3995	{
		3996	# configure IO::AIO
		3997
3044	IO::AIO::min_parallel 8;	3998	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3999	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4000	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4001	}
3057		4002
3058	my $_log_backtrace;	4003	my $_log_backtrace;
3059		4004
3060	sub _log_backtrace {	4005	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4008	$msg =~ s/\n//;
3064		4009
3065	# limit the # of concurrent backtraces	4010	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4011	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4012	++$_log_backtrace;
		4013	my $perl_bt = Carp::longmess $msg;
3068	async {	4014	async {
		4015	$Coro::current->{desc} = "abt $msg";
		4016
3069	my @bt = fork_call {	4017	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4018	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4019	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4020	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4021	or die "addr2line: $!";
…		…
3081	}	4029	}
3082		4030
3083	@funcs	4031	@funcs
3084	};	4032	};
3085		4033
3086	LOG llevInfo, "[ABT] $msg\n";	4034	LOG llevInfo, "[ABT] $perl_bt\n";
		4035	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4036	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4037	--$_log_backtrace;
3089	};	4038	};
3090	} else {	4039	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4040	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4041	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4042	}
3094	}	4043	}
3095		4044
3096	# load additional modules	4045	# load additional modules
3097	use cf::pod;	4046	require "cf/$_.pm" for @EXTRA_MODULES;
		4047	cf::_connect_to_perl_2;
3098		4048
3099	END { cf::emergency_save }	4049	END { cf::emergency_save }
3100		4050
3101	1	4051	1
3102		4052

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