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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 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: <$buf>\n";
942	}	1343	}
943		1344
944	cf::override;	1345	cf::override;
945	},	1346	},
946	);	1347	);
947		1348
		1349	# "readahead" all extensions
948	sub load_extension {	1350	sub cache_extensions {
949	my ($path) = @_;	1351	my $grp = IO::AIO::aio_group;
950		1352
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1354	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1356	}
976	die $@;
977	}	1357	};
978		1358
979	push @EXTS, $pkg;	1359	$grp
980	}	1360	}
981		1361
982	sub load_extensions {	1362	sub load_extensions {
		1363	cf::sync_job {
		1364	my %todo;
		1365
983	for my $ext (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1367	next unless -r $path;
985	eval {	1368
986	load_extension $ext;	1369	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1370	my $base = $1;
		1371	my $pkg = $1;
		1372	$pkg =~ s/[^[:word:]]/_/g;
		1373	$pkg = "ext::$pkg";
		1374
		1375	open my $fh, "<:utf8", $path
		1376	or die "$path: $!";
		1377
		1378	my $source = do { local $/; <$fh> };
		1379
		1380	my %ext = (
		1381	path => $path,
		1382	base => $base,
		1383	pkg => $pkg,
		1384	);
		1385
		1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1388
		1389	$ext{source} =
		1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1391	. "#line 1 \"$path\"\n{\n"
		1392	. $source
		1393	. "\n};\n1";
		1394
		1395	$todo{$base} = \%ext;
		1396	}
		1397
		1398	my %done;
		1399	while (%todo) {
		1400	my $progress;
		1401
		1402	while (my ($k, $v) = each %todo) {
		1403	for (split /,\s*/, $v->{meta}{depends}) {
		1404	goto skip
		1405	unless exists $done{$_};
		1406	}
		1407
		1408	warn "... loading '$k' into '$v->{pkg}'\n";
		1409
		1410	unless (eval $v->{source}) {
		1411	my $msg = $@ ? "$v->{path}: $@\n"
		1412	: "$v->{base}: extension inactive.\n";
		1413
		1414	if (exists $v->{meta}{mandatory}) {
		1415	warn $msg;
		1416	cf::cleanup "mandatory extension failed to load, exiting.";
		1417	}
		1418
		1419	warn $msg;
		1420	}
		1421
		1422	$done{$k} = delete $todo{$k};
		1423	push @EXTS, $v->{pkg};
		1424	$progress = 1;
987	1	1425	}
988	} or warn "$ext not loaded: $@";	1426
		1427	skip:
		1428	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1429	unless $progress;
		1430	}
989	}	1431	};
990	}	1432	}
991		1433
992	#############################################################################	1434	#############################################################################
993		1435
		1436	=back
		1437
994	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
995		1439
996	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
997		1441
998	=cut	1442	=cut
999		1443
1000	package cf::player;	1444	package cf::player;
1001		1445
1002	use Coro::AIO;	1446	use Coro::AIO;
1003		1447
1004	=head3 cf::player	1448	=head3 cf::player
1005		1449
1006	=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	}
1007		1465
1008	=item cf::player::find $login	1466	=item cf::player::find $login
1009		1467
1010	Returns the given player object, loading it if necessary (might block).	1468	Returns the given player object, loading it if necessary (might block).
1011		1469
…		…
1030		1488
1031	sub exists($) {	1489	sub exists($) {
1032	my ($login) = @_;	1490	my ($login) = @_;
1033		1491
1034	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1036	}	1494	}
1037		1495
1038	sub find($) {	1496	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1498	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1505	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1506	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1507	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1508	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1509
1052	my $pl = load_pl path $login	1510	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1055	}	1519	}
1056	}	1520	}
1057	}	1521	}
1058		1522
…		…
1067	return if $pl->{deny_save};	1531	return if $pl->{deny_save};
1068		1532
1069	aio_mkdir playerdir $pl, 0770;	1533	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1534	$pl->{last_save} = $cf::RUNTIME;
1071		1535
		1536	cf::get_slot 0.01;
		1537
1072	$pl->save_pl ($path);	1538	$pl->save_pl ($path);
1073	Coro::cede;	1539	cf::cede_to_tick;
1074	}	1540	}
1075		1541
1076	sub new($) {	1542	sub new($) {
1077	my ($login) = @_;	1543	my ($login) = @_;
1078		1544
…		…
1084	$cf::PLAYER{$login} = $self;	1550	$cf::PLAYER{$login} = $self;
1085		1551
1086	$self	1552	$self
1087	}	1553	}
1088		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
1089	=item $pl->quit_character	1565	=item $pl->quit_character
1090		1566
1091	Nukes the player without looking back. If logged in, the connection will	1567	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1568	be destroyed. May block for a long time.
1093		1569
…		…
1097	my ($pl) = @_;	1573	my ($pl) = @_;
1098		1574
1099	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1100		1576
1101	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1102	$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
1103		1579
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1108		1586
1109	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1624	or return [];
1147		1625
1148	my @logins;	1626	my @logins;
1149		1627
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1637	}
1154		1638
1155	utf8::decode $login;	1639	utf8::decode $login;
1156	push @logins, $login;	1640	push @logins, $login;
1157	}	1641	}
1158		1642
…		…
1185	}	1669	}
1186		1670
1187	\@paths	1671	\@paths
1188	}	1672	}
1189		1673
		1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1675
		1676	Expand deliantra pod fragments into protocol xml.
		1677
1190	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1191		1679
1192	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1193		1681
1194	=cut	1682	=cut
1195		1683
1196	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1198		1686
1199	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1688	}
1203		1689
1204	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1205		1691
1206	Sends an ext event to the client.	1692	Sends an ext event to the client.
1207		1693
1208	=cut	1694	=cut
1209		1695
1210	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1212		1698
1213	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1214	}	1700	}
1215		1701
1216	=head3 cf::region	1702	=head3 cf::region
1217		1703
1218	=over 4	1704	=over 4
…		…
1221		1707
1222	package cf::region;	1708	package cf::region;
1223		1709
1224	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1225		1711
1226	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1227		1713
1228	=cut	1714	=cut
1229		1715
1230	sub find_by_path($) {	1716	sub find_by_path($) {
1231	my ($path) = @_;	1717	my ($path) = @_;
1232		1718
1233	my ($match, $specificity);	1719	my ($match, $specificity);
1234		1720
1235	for my $region (list) {	1721	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1239	}	1725	}
1240	}	1726	}
1241		1727
…		…
1262	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1264		1750
1265	sub generate_random_map {	1751	sub generate_random_map {
1266	my ($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
1267	# mit "rum" bekleckern, nicht	1756	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1757	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1758	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1759	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1760	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1850	$self->init; # pass $1 etc.
1362	return $self;	1851	return $self;
1363	}	1852	}
1364	}	1853	}
1365		1854
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1855	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1856	()
1368	}	1857	}
1369		1858
1370	sub init {	1859	sub init {
1371	my ($self) = @_;	1860	my ($self) = @_;
…		…
1393		1882
1394	# the temporary/swap location	1883	# the temporary/swap location
1395	sub save_path {	1884	sub save_path {
1396	my ($self) = @_;	1885	my ($self) = @_;
1397		1886
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1887	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1888	"$TMPDIR/$path.map"
1400	}	1889	}
1401		1890
1402	# the unique path, undef == no special unique path	1891	# the unique path, undef == no special unique path
1403	sub uniq_path {	1892	sub uniq_path {
1404	my ($self) = @_;	1893	my ($self) = @_;
1405		1894
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1897	}
1418		1898
1419	sub decay_objects {	1899	sub decay_objects {
1420	my ($self) = @_;	1900	my ($self) = @_;
1421		1901
…		…
1434		1914
1435	sub load_header_from($) {	1915	sub load_header_from($) {
1436	my ($self, $path) = @_;	1916	my ($self, $path) = @_;
1437		1917
1438	utf8::encode $path;	1918	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1919	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	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;
1444		1927
1445	$self->{load_path} = $path;	1928	$self->{load_path} = $path;
1446		1929
1447	1	1930	1
1448	}	1931	}
…		…
1502	sub find {	1985	sub find {
1503	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
1504		1987
1505	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
1506		1989
		1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
1508		1992
1509	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
1512	or return;	1995	or return;
1513		1996
1514	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
1515		1998
…		…
1517	or return;	2000	or return;
1518		2001
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
		2006	undef $guard1;
1522	$map->reset;	2007	$map->reset;
1523	undef $guard;
1524	return find $path;	2008	return find $path;
1525	}	2009	}
1526		2010
1527	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
1528	}	2012	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2021	local $self->{deny_reset} = 1; # loading can take a long time
1538		2022
1539	my $path = $self->{path};	2023	my $path = $self->{path};
1540		2024
1541	{	2025	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2026	my $guard = cf::lock_acquire "map_data:$path";
1543		2027
		2028	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2029	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2030
1546	$self->in_memory (cf::MAP_LOADING);	2031	$self->in_memory (cf::MAP_LOADING);
1547		2032
1548	$self->alloc;	2033	$self->alloc;
1549		2034
1550	$self->pre_load;	2035	$self->pre_load;
1551	Coro::cede;	2036	cf::cede_to_tick;
1552		2037
		2038	my $f = new_from_file cf::object::thawer $self->{load_path};
		2039	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2040	$self->_load_objects ($f)
1554	or return;	2041	or return;
1555		2042
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
1557	if delete $self->{load_original};	2044	if delete $self->{load_original};
1558		2045
1559	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2047	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2048	unless (aio_stat $uniq) {
		2049	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2050	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2051	$self->_load_objects ($f);
		2052	$f->resolve_delayed_derefs;
		2053	}
1564	}	2054	}
1565	}	2055	}
1566		2056
1567	Coro::cede;	2057	$f->resolve_delayed_derefs;
		2058
		2059	cf::cede_to_tick;
1568	# now do the right thing for maps	2060	# now do the right thing for maps
1569	$self->link_multipart_objects;	2061	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2062	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2063	unless $self->difficulty;
1572	Coro::cede;	2064	cf::cede_to_tick;
1573		2065
1574	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2067	$self->decay_objects;
1576	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
1577	$self->update_buttons;	2069	$self->update_buttons;
1578	Coro::cede;	2070	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2071	$self->activate;
1582	}	2072	}
1583		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2078	}
1586		2079
1587	$self->post_load;	2080	$self->post_load;
1588	}	2081	}
1589		2082
…		…
1598		2091
1599	$self	2092	$self
1600	}	2093	}
1601		2094
1602	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2096	sub load_neighbours {
1604	my ($map) = @_;	2097	my ($map) = @_;
1605		2098
1606	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1607		2100
1608	for (0 .. 3) {	2101	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1610	or next;	2103	or next;
1611	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1612	or next;	2105	or next;
1613	$neigh->load;	2106	$neigh->load;
1614		2107
		2108	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2111	}
1618		2112
1619	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1621	or next;	2116	or next;
1622	$neigh->load;	2117	$neigh->load;
1623	}	2118	}
1624	}	2119	}
1625		2120
…		…
1630	}	2125	}
1631		2126
1632	sub do_load_sync {	2127	sub do_load_sync {
1633	my ($map) = @_;	2128	my ($map) = @_;
1634		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1635	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1636	}	2134	}
1637		2135
1638	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1640		2138
1641	sub find_async {	2139	sub find_async {
1642	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1643		2141
1644	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1645		2143
1646	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2146	}
1649		2147
1650	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1651	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1652	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2155	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2156	$map->load if $v;
		2157	}
1657		2158
1658	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1659	}	2160	}
1660	}	2161	}
1661	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1662	};	2163	};
1663	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2167	}
1667		2168
1668	sub save {	2169	sub save {
1669	my ($self) = @_;	2170	my ($self) = @_;
1670		2171
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2173
1673	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1674		2175
1675	return unless $self->dirty;	2176	return unless $self->dirty;
1676		2177
…		…
1682	return if $self->{deny_save};	2183	return if $self->{deny_save};
1683		2184
1684	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1685		2186
1686	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1688	};	2190	};
		2191
		2192	cf::get_slot 0.02;
1689		2193
1690	if ($uniq) {	2194	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2196	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2197	} else {
…		…
1699	my ($self) = @_;	2203	my ($self) = @_;
1700		2204
1701	# save first because save cedes	2205	# save first because save cedes
1702	$self->save;	2206	$self->save;
1703		2207
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2208	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2209
1706	return if $self->players;	2210	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2211	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2212	return if $self->{deny_save};
1709		2213
		2214	$self->in_memory (cf::MAP_SWAPPED);
		2215
		2216	$self->deactivate;
		2217	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2218	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2219	}
1713		2220
1714	sub reset_at {	2221	sub reset_at {
1715	my ($self) = @_;	2222	my ($self) = @_;
1716		2223
…		…
1734		2241
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2243
1737	return if $self->players;	2244	return if $self->players;
1738		2245
1739	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
1740		2247
1741	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
1742		2249
1743	# need to save uniques path	2250	# need to save uniques path
1744	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2255	if $uniq;
1749	}	2256	}
1750		2257
1751	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1752		2259
		2260	$self->deactivate;
		2261	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2262	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2263
1757	$self->unlink_save;	2264	$self->unlink_save;
1758	$self->destroy;	2265	$self->destroy;
1759	}	2266	}
1760		2267
1761	my $nuke_counter = "aaaa";	2268	my $nuke_counter = "aaaa";
1762		2269
1763	sub nuke {	2270	sub nuke {
1764	my ($self) = @_;	2271	my ($self) = @_;
1765		2272
		2273	{
		2274	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2275
1766	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1767		2277
1768	$self->unlink_save;	2278	$self->unlink_save;
1769		2279
1770	bless $self, "cf::map";	2280	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2281	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2282	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2283	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2284	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2285
1776	$cf::MAP{$self->path} = $self;	2286	$cf::MAP{$self->path} = $self;
		2287	}
1777		2288
1778	$self->reset; # polite request, might not happen	2289	$self->reset; # polite request, might not happen
1779	}	2290	}
1780		2291
1781	=item $maps = cf::map::tmp_maps	2292	=item $maps = cf::map::tmp_maps
…		…
1823		2334
1824	sub unique_maps() {	2335	sub unique_maps() {
1825	[	2336	[
1826	map {	2337	map {
1827	utf8::decode $_;	2338	utf8::decode $_;
1828	/\.map$/	2339	s/\.map$//; # TODO future compatibility hack
		2340	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2341	? ()
1829	? normalise $_	2342	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2344	]
1833	}	2345	}
1834		2346
1835	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	}
1836		2378
1837	=back	2379	=back
1838		2380
1839	=head3 cf::object	2381	=head3 cf::object
1840		2382
…		…
1844		2386
1845	=over 4	2387	=over 4
1846		2388
1847	=item $ob->inv_recursive	2389	=item $ob->inv_recursive
1848		2390
1849	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.
1850		2393
1851	=cut	2394	=cut
1852		2395
1853	sub inv_recursive_;	2396	sub inv_recursive_;
1854	sub inv_recursive_ {	2397	sub inv_recursive_ {
…		…
1857		2400
1858	sub inv_recursive {	2401	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2402	inv_recursive_ inv $_[0]
1860	}	2403	}
1861		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
1862	package cf;	2433	package cf;
1863		2434
1864	=back	2435	=back
1865		2436
1866	=head3 cf::object::player	2437	=head3 cf::object::player
…		…
1872	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>
1873	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
1874	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
1875		2446
1876	=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	};
1877		2462
1878	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2464	# with dialog boxes.
1880	#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
1881	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
…		…
1883		2468
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2469	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2470
1886	if ($self->{record_replies}) {	2471	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2472	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2473
1888	} 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 {
1889	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2484	}
1891	}	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 (@_);
1892	}	2496	}
1893		2497
1894	=item $player_object->may ("access")	2498	=item $player_object->may ("access")
1895		2499
1896	Returns wether the given player is authorized to access resource "access"	2500	Returns wether the given player is authorized to access resource "access"
…		…
1909		2513
1910	=item $player_object->enter_link	2514	=item $player_object->enter_link
1911		2515
1912	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}>).
1913		2517
1914	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.
1915	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.
1916		2522
1917	Will never block.	2523	Will never block.
1918		2524
1919	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
1920		2526
…		…
1972	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
1973	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
1974		2580
1975	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
1978		2584
1979	$map->load;	2585	$map->load;
1980	$map->load_diag;	2586	$map->load_neighbours;
1981		2587
1982	return unless $self->contr->active;	2588	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2589
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1987	}
1988		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
		2595	}
		2596
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2598
1991	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
1992	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
1993	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
1994	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 >>.
1995		2607
1996	=cut	2608	=cut
1997		2609
1998	our $GOTOGEN;	2610	our $GOTOGEN;
1999		2611
2000	sub cf::object::player::goto {	2612	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2613	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2614
2003	# 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
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2616	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2617
2006	$self->enter_link;	2618	$self->enter_link;
2007		2619
2008	(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
2009	my $map = eval {	2642	my $map = eval {
2010	my $map = cf::map::find $path;	2643	my $map = defined $path ? cf::map::find $path : undef;
2011		2644
2012	if ($map) {	2645	if ($map) {
2013	$map = $map->customise_for ($self);	2646	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2647	$map = $check->($map) if $check && $map;
2015	} else {	2648	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2649	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2650	}
2018		2651
2019	$map	2652	$map
2020	};	2653	};
2021		2654
…		…
2026		2659
2027	if ($gen == $self->{_goto_generation}) {	2660	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2661	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2662	$self->leave_link ($map, $x, $y);
2030	}	2663	}
		2664
		2665	$done->() if $done;
2031	})->prio (1);	2666	})->prio (1);
2032	}	2667	}
2033		2668
2034	=item $player_object->enter_exit ($exit_object)	2669	=item $player_object->enter_exit ($exit_object)
2035		2670
…		…
2055	}	2690	}
2056		2691
2057	sub prepare_random_map {	2692	sub prepare_random_map {
2058	my ($exit) = @_;	2693	my ($exit) = @_;
2059		2694
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2697	# that depends on the exit object
2065		2698
2066	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2701	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2073	}	2708	}
2074		2709
2075	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2076		2711
2077	my $data = cf::to_json $rmp;	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2713	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2714	my $meta = "$RANDOMDIR/$md5.meta";
2080		2715
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2718	undef $fh;
2084	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2085		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2088	}	2727	}
2089	}	2728	}
2090		2729
2091	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2093		2732
2094	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2095		2734
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2735	$self->enter_link;
2108		2736
2109	(async {	2737	(async {
2110	$self->deactivate_recursive; # just to be sure	2738	$Coro::current->{desc} = "enter_exit";
		2739
2111	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
2112	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2113		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
2114	1;	2761	1
2115	}) {	2762	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "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. "
2118	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2767
2121	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2140		2787
2141	utf8::encode $text;	2788	utf8::encode $text;
2142	$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);
2143	}	2790	}
2144		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
2145	=item $client->ext_event ($type, %msg)	2979	=item $client->ext_msg ($type, @msg)
2146		2980
2147	Sends an exti event to the client.	2981	Sends an ext event to the client.
2148		2982
2149	=cut	2983	=cut
2150		2984
2151	sub cf::client::ext_event($$%) {	2985	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2986	my ($self, $type, @msg) = @_;
2153		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2990	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2991	push @msg, msgtype => "event_$type";
2155	$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	}
2156	}	3012	}
2157		3013
2158	=item $success = $client->query ($flags, "text", \&cb)	3014	=item $success = $client->query ($flags, "text", \&cb)
2159		3015
2160	Queues a query to the client, calling the given callback with	3016	Queues a query to the client, calling the given callback with
2161	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>,
2162	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>.
2163		3019
2164	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
2165	reliable at some point in the future.	3021	become reliable at some point in the future.
2166		3022
2167	=cut	3023	=cut
2168		3024
2169	sub cf::client::query {	3025	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	3026	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	3034	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3035	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		3036
2181	$self->send_packet ($self->{query_queue}[0][0])	3037	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	3038	if @{ $self->{query_queue} } == 1;
		3039
		3040	1
2183	}	3041	}
2184		3042
2185	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	},
2186	on_reply => sub {	3049	on_reply => sub {
2187	my ($ns, $msg) = @_;	3050	my ($ns, $msg) = @_;
2188		3051
2189	# this weird shuffling is so that direct followup queries	3052	# this weird shuffling is so that direct followup queries
2190	# get handled first	3053	# get handled first
…		…
2202	} else {	3065	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3066	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3067	}
2205	}	3068	}
2206	},	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	},
2207	);	3096	);
2208		3097
2209	=item $client->async (\&cb)	3098	=item $client->async (\&cb)
2210		3099
2211	Create a new coroutine, running the specified callback. The coroutine will	3100	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3141	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3142	our $safe_hole = new Safe::Hole;
2254		3143
2255	$SIG{FPE} = 'IGNORE';	3144	$SIG{FPE} = 'IGNORE';
2256		3145
2257	$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	));
2258		3151
2259	# here we export the classes and methods available to script code	3152	# here we export the classes and methods available to script code
2260		3153
2261	=pod	3154	=pod
2262		3155
2263	The following functions and methods are available within a safe environment:	3156	The following functions and methods are available within a safe environment:
2264		3157
2265	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
2266	cf::object::player player	3163	cf::object::player
2267	cf::player peaceful	3164	player
2268	cf::map trigger	3165
		3166	cf::player
		3167	peaceful
		3168
		3169	cf::map
		3170	trigger
2269		3171
2270	=cut	3172	=cut
2271		3173
2272	for (	3174	for (
2273	["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)],
2274	["cf::object::player" => qw(player)],	3178	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3179	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3180	["cf::map" => qw(trigger)],
2277	) {	3181	) {
2278	no strict 'refs';	3182	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3183	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3184	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2297	my ($code, %vars) = @_;	3201	my ($code, %vars) = @_;
2298		3202
2299	my $qcode = $code;	3203	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3204	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3205	$qcode =~ s/\n/\\n/g;
		3206
		3207	%vars = (_dummy => 0) unless %vars;
2302		3208
2303	local $_;	3209	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;	3210	local @safe::cf::_safe_eval_args = values %vars;
2305		3211
2306	my $eval =	3212	my $eval =
…		…
2349	=back	3255	=back
2350		3256
2351	=cut	3257	=cut
2352		3258
2353	#############################################################################	3259	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3260	# the server's init and main functions
2527		3261
2528	sub load_facedata($) {	3262	sub load_facedata($) {
2529	my ($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;
2530		3270
2531	warn "loading facedata from $path\n";	3271	warn "loading facedata from $path\n";
2532		3272
2533	my $facedata;	3273	my $facedata;
2534	0 < aio_load $path, $facedata	3274	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3277	$facedata = Coro::Storable::thaw $facedata;
2538		3278
2539	$facedata->{version} == 2	3279	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3280	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		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
2542	{	3289	{
2543	my $faces = $facedata->{faceinfo};	3290	my $faces = $facedata->{faceinfo};
2544		3291
2545	while (my ($face, $info) = each %$faces) {	3292	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3293	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3294
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3295	cf::face::set_visibility $idx, $info->{visibility};
		3296	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3297	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3298	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3299
		3300	cf::cede_to_tick;
2551	}	3301	}
2552		3302
2553	while (my ($face, $info) = each %$faces) {	3303	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3304	next unless $info->{smooth};
		3305
2555	my $idx = cf::face::find $face	3306	my $idx = cf::face::find $face
2556	or next;	3307	or next;
		3308
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3309	if (my $smooth = cf::face::find $info->{smooth}) {
		3310	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3311	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3312	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3313	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3314	}
2562	Coro::cede;	3315
		3316	cf::cede_to_tick;
2563	}	3317	}
2564	}	3318	}
2565		3319
2566	{	3320	{
2567	my $anims = $facedata->{animinfo};	3321	my $anims = $facedata->{animinfo};
2568		3322
2569	while (my ($anim, $info) = each %$anims) {	3323	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3324	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3325	cf::cede_to_tick;
2572	}	3326	}
2573		3327
2574	cf::anim::invalidate_all; # d'oh	3328	cf::anim::invalidate_all; # d'oh
2575	}	3329	}
2576		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
2577	1	3366	1
2578	}	3367	}
2579		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	$status
		3405	}
		3406
2580	sub reload_regions {	3407	sub reload_regions {
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
2581	load_resource_file "$MAPDIR/regions"	3412	load_resource_file "$MAPDIR/regions"
2582	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 $_->{match};
		3418	}
2583	}	3419	}
2584		3420
2585	sub reload_facedata {	3421	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3422	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3423	or die "unable to load facedata\n";
…		…
2598	}	3434	}
2599		3435
2600	sub reload_resources {	3436	sub reload_resources {
2601	warn "reloading resource files...\n";	3437	warn "reloading resource files...\n";
2602		3438
		3439	reload_facedata;
		3440	reload_archetypes;
2603	reload_regions;	3441	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3442	reload_treasures;
2608		3443
2609	warn "finished reloading resource files\n";	3444	warn "finished reloading resource files\n";
2610	}	3445	}
2611		3446
2612	sub init {	3447	sub reload_config {
2613	reload_resources;	3448	warn "reloading config file...\n";
2614	}
2615		3449
2616	sub cfg_load {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3450	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3451	or return;
2619		3452
2620	local $/;	3453	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3454	*CFG = YAML::XS::Load scalar <$fh>;
2622		3455
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3456	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3457
2625	$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};
2626	$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};
…		…
2630	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3463	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2631	and die "WARNING: m(un)lockall failed: $!\n";	3464	and die "WARNING: m(un)lockall failed: $!\n";
2632	};	3465	};
2633	warn $@ if $@;	3466	warn $@ if $@;
2634	}	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;
2635	}	3498	}
2636		3499
2637	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
2638	# we must not ever block the main coroutine	3515	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3516	local $Coro::idle = sub {
2640	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#
2641	(async {	3518	(async {
2642	Event::one_event;	3519	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3520	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3521	})->prio (Coro::PRIO_MAX);
2644	};	3522	};
2645		3523
2646	cfg_load;	3524	evthread_start IO::AIO::poll_fileno;
		3525
		3526	cf::sync_job {
		3527	reload_resources;
		3528	reload_config;
2647	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
2648	load_extensions;	3542	load_extensions;
2649		3543
2650	$TICK_WATCHER->start;	3544	utime time, time, $RUNTIMEFILE;
2651	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;
2652	}	3554	}
2653		3555
2654	#############################################################################	3556	#############################################################################
2655	# initialisation and cleanup	3557	# initialisation and cleanup
2656		3558
2657	# install some emergency cleanup handlers	3559	# install some emergency cleanup handlers
2658	BEGIN {	3560	BEGIN {
		3561	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3562	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3563	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3564	cf::cleanup "SIG$signal";
2667	},
2668	);	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
2669	}	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 };
2670	}	3653	}
2671		3654
2672	sub emergency_save() {	3655	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3656	my $freeze_guard = cf::freeze_mainloop;
2674		3657
2675	warn "enter emergency perl save\n";	3658	warn "emergency_perl_save: enter\n";
2676		3659
2677	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
2678	# use a peculiar iteration method to avoid tripping on perl	3666	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3667	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3668	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3669	warn "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3670	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3671	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3672	$pl->valid or next;
		3673	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3674	$pl->save;
2686	}	3675	}
2687	warn "end emergency player save\n";	3676	warn "emergency_perl_save: end player save\n";
2688		3677
2689	warn "begin emergency map save\n";	3678	warn "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3679	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3680	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3681	$map->valid or next;
2693	$map->save;	3682	$map->save;
2694	}	3683	}
2695	warn "end emergency map save\n";	3684	warn "emergency_perl_save: end map save\n";
2696		3685
2697	warn "begin emergency database checkpoint\n";	3686	warn "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3687	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3688	warn "emergency_perl_save: end database checkpoint\n";
		3689
		3690	warn "emergency_perl_save: begin write uuid\n";
		3691	write_uuid_sync 1;
		3692	warn "emergency_perl_save: end write uuid\n";
2700	};	3693	};
2701		3694
		3695	warn "emergency_perl_save: starting sync()\n";
		3696	IO::AIO::aio_sync sub {
		3697	warn "emergency_perl_save: finished sync()\n";
		3698	};
		3699
2702	warn "leave emergency perl save\n";	3700	warn "emergency_perl_save: leave\n";
2703	}	3701	}
2704		3702
2705	sub post_cleanup {	3703	sub post_cleanup {
2706	my ($make_core) = @_;	3704	my ($make_core) = @_;
2707		3705
2708	warn Carp::longmess "post_cleanup backtrace"	3706	warn Carp::longmess "post_cleanup backtrace"
2709	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#
2710	}	3737	}
2711		3738
2712	sub do_reload_perl() {	3739	sub do_reload_perl() {
2713	# can/must only be called in main	3740	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
2715	warn "can only reload from main coroutine";	3742	warn "can only reload from main coroutine";
2716	return;	3743	return;
2717	}	3744	}
2718		3745
		3746	return if $RELOAD++;
		3747
		3748	my $t1 = EV::time;
		3749
		3750	while ($RELOAD) {
2719	warn "reloading...";	3751	warn "reloading...";
2720		3752
2721	warn "entering sync_job";	3753	warn "entering sync_job";
2722		3754
2723	cf::sync_job {	3755	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark	3756	cf::write_runtime_sync; # external watchdog should not bark
2725	cf::emergency_save;	3757	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark	3758	cf::write_runtime_sync; # external watchdog should not bark
2727		3759
2728	warn "syncing database to disk";	3760	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3761	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3762
2731	# 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
2732		3764
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3765	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3766	while (IO::AIO::nreqs || BDB::nreqs) {
2744	warn "iterate...";	3767	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();
2752
2753	warn "removing commands";
2754	%COMMAND = ();
2755
2756	warn "removing ext commands";
2757	%EXTCMD = ();
2758
2759	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";
2762
2763	if (my $cb = $pkg->can ("unload")) {
2764	eval {
2765	$cb->($pkg);
2766	1
2767	} or warn "$pkg unloaded, but with errors: $@";
2768	}	3768	}
2769		3769
2770	warn "... nuking $pkg";	3770	warn "cancelling all extension coros";
2771	Symbol::delete_package $pkg;	3771	$_->cancel for values %EXT_CORO;
2772	}	3772	%EXT_CORO = ();
2773		3773
2774	warn "unloading all perl modules loaded from $LIBDIR";	3774	warn "removing commands";
2775	while (my ($k, $v) = each %INC) {	3775	%COMMAND = ();
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3776
		3777	warn "removing ext/exti commands";
		3778	%EXTCMD = ();
		3779	%EXTICMD = ();
		3780
		3781	warn "unloading/nuking all extensions";
		3782	for my $pkg (@EXTS) {
2778	warn "... unloading $k";	3783	warn "... unloading $pkg";
2779	delete $INC{$k};
2780		3784
2781	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;
2783
2784	if (my $cb = $k->can ("unload_module")) {	3785	if (my $cb = $pkg->can ("unload")) {
		3786	eval {
2785	$cb->();	3787	$cb->($pkg);
		3788	1
		3789	} or warn "$pkg unloaded, but with errors: $@";
		3790	}
		3791
		3792	warn "... clearing $pkg";
		3793	clear_package $pkg;
2786	}	3794	}
2787		3795
2788	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;
2789	}	3811	}
2790		3812
2791	warn "getting rid of safe::, as good as possible";	3813	warn "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3814	clear_package "safe::$_"
2793	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);
2794		3816
2795	warn "unloading cf.pm \"a bit\"";	3817	warn "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3818	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3819	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		3820
2799	# don't, removes xs symbols, too,	3821	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3822	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3823	#clear_package __PACKAGE__;
2802		3824
2803	warn "unload completed, starting to reload now";	3825	warn "unload completed, starting to reload now";
2804		3826
2805	warn "reloading cf.pm";	3827	warn "reloading cf.pm";
2806	require cf;	3828	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3829	cf::_connect_to_perl_1;
2808		3830
2809	warn "loading config and database again";	3831	warn "loading config and database again";
2810	cf::cfg_load;	3832	cf::reload_config;
2811		3833
2812	warn "loading extensions";	3834	warn "loading extensions";
2813	cf::load_extensions;	3835	cf::load_extensions;
2814		3836
		3837	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3838	warn "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3839	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3840	warn "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3841	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3842	warn "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3843	reattach $_ for values %PLAYER;
		3844	}
2821		3845
		3846	warn "running post_init jobs";
		3847	(pop @POST_INIT)->(1) while @POST_INIT;
		3848
2822	warn "leaving sync_job";	3849	warn "leaving sync_job";
2823		3850
2824	1	3851	1
2825	} or do {	3852	} or do {
2826	warn $@;	3853	warn $@;
2827	warn "error while reloading, exiting.";	3854	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3855	};
2830		3856
2831	warn "reloaded";	3857	warn "reloaded";
		3858	--$RELOAD;
		3859	}
		3860
		3861	$t1 = EV::time - $t1;
		3862	warn "reload completed in ${t1}s\n";
2832	};	3863	};
2833		3864
2834	our $RELOAD_WATCHER; # used only during reload	3865	our $RELOAD_WATCHER; # used only during reload
2835		3866
2836	sub reload_perl() {	3867	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3868	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3869	# coro crashes during coro_state_free->destroy here.
2839		3870
2840	$RELOAD_WATCHER ||= Event->timer (	3871	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	3872	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	3873
2843	data => WF_AUTOCANCEL,	3874	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	3875	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3876	undef $RELOAD_WATCHER;
2847	},	3877	};
2848	);	3878	};
2849	}	3879	}
2850		3880
2851	register_command "reload" => sub {	3881	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3882	my ($who, $arg) = @_;
2853		3883
2854	if ($who->flag (FLAG_WIZ)) {	3884	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3885	$who->message ("reloading server.");
		3886	async {
		3887	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3888	reload_perl;
		3889	};
2857	}	3890	}
2858	};	3891	};
2859		3892
2860	unshift @INC, $LIBDIR;	3893	unshift @INC, $LIBDIR;
2861		3894
…		…
2863		3896
2864	our @WAIT_FOR_TICK;	3897	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	3898	our @WAIT_FOR_TICK_BEGIN;
2866		3899
2867	sub wait_for_tick {	3900	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	3901	return if tick_inhibit || $Coro::current == $Coro::main;
2870		3902
2871	my $signal = new Coro::Signal;	3903	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	3904	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	3905	$signal->wait;
2874	}	3906	}
2875		3907
2876	sub wait_for_tick_begin {	3908	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	3909	return if tick_inhibit || $Coro::current == $Coro::main;
2879		3910
2880	my $signal = new Coro::Signal;	3911	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3912	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3913	$signal->wait;
2883	}	3914	}
2884		3915
2885	my $min = 1e6;#d#	3916	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3917	if ($Coro::current != $Coro::main) {
2895	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"
2896	unless ++$bug_warning > 10;	3919	unless ++$bug_warning > 10;
2897	return;	3920	return;
2898	}	3921	}
2899		3922
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	3923	cf::server_tick; # one server iteration
2903		3924
2904	0 && sync_job {#d#	3925	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2905	for(1..10) {	3926	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2906	my $t = Event::time;	3927	Coro::async_pool {
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3928	$Coro::current->{desc} = "runtime saver";
2908	or die;	3929	write_runtime_sync
2909		3930	or warn "ERROR: unable to write runtime file: $!";
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3931	};
		3932	}
2926		3933
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3934	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3935	$sig->send;
2943	}	3936	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3937	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3938	$sig->send;
2946	}	3939	}
2947		3940
2948	$NOW = Event::time;	3941	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3942	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3943
2959	_post_tick;	3944	if (0) {
2960		3945	if ($NEXT_TICK) {
2961		3946	my $jitter = $TICK_START - $NEXT_TICK;
		3947	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3948	warn "jitter $JITTER\n";#d#
		3949	}
2962	},	3950	}
2963	);	3951	}
2964		3952
2965	{	3953	{
2966	BDB::max_poll_time $TICK * 0.1;	3954	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3955
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3956	BDB::min_parallel 8;
2976		3957	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3958	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3959
2992	unless ($DB_ENV) {	3960	unless ($DB_ENV) {
2993	$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);
2994		3967
2995	cf::sync_job {	3968	cf::sync_job {
2996	eval {	3969	eval {
2997	BDB::db_env_open	3970	BDB::db_env_open
2998	$DB_ENV,	3971	$DB_ENV,
…		…
3000	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
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3974	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3975	0666;
3003		3976
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3977	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3978	};
3009		3979
3010	cf::cleanup "db_env_open(db): $@" if $@;	3980	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3981	};
3012	}	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	};
3013	}	3993	}
3014		3994
3015	{	3995	{
		3996	# configure IO::AIO
		3997
3016	IO::AIO::min_parallel 8;	3998	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3999	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	4000	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	4001	}
3029		4002
3030	my $_log_backtrace;	4003	my $_log_backtrace;
3031		4004
3032	sub _log_backtrace {	4005	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	4008	$msg =~ s/\n//;
3036		4009
3037	# limit the # of concurrent backtraces	4010	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	4011	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	4012	++$_log_backtrace;
		4013	my $perl_bt = Carp::longmess $msg;
3040	async {	4014	async {
		4015	$Coro::current->{desc} = "abt $msg";
		4016
3041	my @bt = fork_call {	4017	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	4018	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4019	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	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 |"
3045	or die "addr2line: $!";	4021	or die "addr2line: $!";
…		…
3053	}	4029	}
3054		4030
3055	@funcs	4031	@funcs
3056	};	4032	};
3057		4033
3058	LOG llevInfo, "[ABT] $msg\n";	4034	LOG llevInfo, "[ABT] $perl_bt\n";
		4035	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	4036	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	4037	--$_log_backtrace;
3061	};	4038	};
3062	} else {	4039	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	4040	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	4041	LOG llevInfo, "[ABT] [suppressed]\n";
3065	}	4042	}
3066	}	4043	}
3067		4044
3068	# load additional modules	4045	# load additional modules
3069	use cf::pod;	4046	require "cf/$_.pm" for @EXTRA_MODULES;
		4047	cf::_connect_to_perl_2;
3070		4048
3071	END { cf::emergency_save }	4049	END { cf::emergency_save }
3072		4050
3073	1	4051	1
3074		4052

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