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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.513 by root, Mon Apr 12 05:22:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use 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;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	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	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	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	231	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.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	285	for my $pkg (qw(
198	cf::global cf::attachable	286	cf::global cf::attachable
199	cf::object cf::object::player	287	cf::object cf::object::player
200	cf::client cf::player	288	cf::client cf::player
201	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
202	cf::map cf::party cf::region	291	cf::party cf::region
203	)) {	292	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	294	}
207		295
208	$Event::DIED = sub {	296	$EV::DIED = sub {
209	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
210	};	298	};
		299
		300	#############################################################################
211		301
212	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
213		303
214	=over 4	304	=over 4
215		305
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	325	$d
236	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
237	}	327	}
238		328
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
242		330
243	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
244		332
245	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
246		334
247	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
248		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
249	=item cf::lock_wait $string	358	=item cf::lock_wait $string
250		359
251	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
252		361
253	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
254		363
255	Wait until the given lock is available and then acquires it and returns	364	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,	365	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	366	for example when the coroutine gets canceled), the lock is automatically
258	returned.	367	returned.
259		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
260	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
262		374
263	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
264		376
265	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
266		378
267	=cut	379	=cut
268		380
269	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
270		382
271	sub lock_wait($) {	383	sub lock_wait($) {
272	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	385	}
280		386
281	sub lock_acquire($) {	387	sub lock_acquire($) {
282	my ($key) = @_;	388	$LOCKS->guard ($_[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	}	389	}
294		390
295	sub lock_active($) {	391	sub lock_active($) {
296	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	393	}
300		394
301	sub freeze_mainloop {	395	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
303		397
304	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over timer.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
306	};	465	}
307	$TICK_WATCHER->stop;	466	};
308	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
309	}	481	}
310		482
311	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
312		484
313	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		490
319	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
320		492
321	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
322		494
323	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
326		499
327	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
330	fast or be very important.	503	fast or be very important.
…		…
333		506
334	sub sync_job(&) {	507	sub sync_job(&) {
335	my ($job) = @_;	508	my ($job) = @_;
336		509
337	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	511	my $time = AE::time;
339		512
340	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
342		515
343	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	517
345	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
346		519
347	my $busy = 1;	520	my $busy = 1;
348	my @res;	521	my @res;
349		522
350	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	525	@res = eval { $job->() };
352	warn $@ if $@;	526	warn $@ if $@;
353	undef $busy;	527	undef $busy;
354	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
355		529
356	while ($busy) {	530	while ($busy) {
357	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
358	}	535	}
		536	}
359		537
360	$time = Event::time - $time;	538	my $time = AE::time - $time;
361		539
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	540	$TICK_START += $time; # do not account sync jobs to server load
366		541
367	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
368	} else {	543	} else {
369	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
370		545
…		…
390	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
391		566
392	$coro	567	$coro
393	}	568	}
394		569
395	sub write_runtime {	570	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		571
398	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
400		576
401	IO::AIO::aio_utime $runtime, undef, undef;	577	=cut
402		578
403	my $guard = cf::lock_acquire "write_runtime";	579	sub fork_call(&@) {
		580	my ($cb, @args) = @_;
404		581
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	582	# we seemingly have to make a local copy of the whole thing,
406	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
407		585
408	my $value = $cf::RUNTIME + 90 + 10;	586	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	587	reset_signals;
410	# 60 allows for the watchdog to kill the server.	588	&$cb
		589	}, @args;
411		590
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	591	wantarray ? @res : $res[-1]
413	and return;	592	}
414		593
415	# always fsync - this file is important	594	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		595
419	# touch it again to show we are up-to-date	596	=cut
420	aio_utime $fh, undef, undef;
421		597
422	close $fh	598	our %coin_alias = (
423	or return;	599	"silver" => "silvercoin",
		600	"silvercoin" => "silvercoin",
		601	"silvercoins" => "silvercoin",
		602	"gold" => "goldcoin",
		603	"goldcoin" => "goldcoin",
		604	"goldcoins" => "goldcoin",
		605	"platinum" => "platinacoin",
		606	"platinumcoin" => "platinacoin",
		607	"platinumcoins" => "platinacoin",
		608	"platina" => "platinacoin",
		609	"platinacoin" => "platinacoin",
		610	"platinacoins" => "platinacoin",
		611	"royalty" => "royalty",
		612	"royalties" => "royalty",
		613	);
424		614
425	aio_rename "$runtime~", $runtime	615	sub coin_from_name($) {
426	and return;	616	$coin_alias{$_[0]}
		617	? cf::arch::find $coin_alias{$_[0]}
		618	: undef
		619	}
427		620
428	warn "runtime file written.\n";	621	=item $value = cf::db_get $family => $key
429		622
		623	Returns a single value from the environment database.
		624
		625	=item cf::db_put $family => $key => $value
		626
		627	Stores the given C<$value> in the family. It can currently store binary
		628	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		629
		630	=item $db = cf::db_table "name"
		631
		632	Create and/or open a new database table. The string must not be "db" and must be unique
		633	within each server.
		634
		635	=cut
		636
		637	sub db_table($) {
		638	my ($name) = @_;
		639	my $db = BDB::db_create $DB_ENV;
		640
		641	eval {
		642	$db->set_flags (BDB::CHKSUM);
		643
		644	utf8::encode $name;
		645	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		646	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		647	cf::cleanup "db_open(db): $!" if $!;
		648	};
		649	cf::cleanup "db_open(db): $@" if $@;
		650
		651	$db
		652	}
		653
		654	our $DB;
		655
		656	sub db_init {
		657	cf::sync_job {
		658	$DB ||= db_table "db";
		659	};
		660	}
		661
		662	sub db_get($$) {
		663	my $key = "$_[0]/$_[1]";
		664
		665	cf::sync_job {
		666	BDB::db_get $DB, undef, $key, my $data;
		667
		668	$! ? ()
		669	: $data
430	1	670	}
		671	}
		672
		673	sub db_put($$$) {
		674	BDB::dbreq_pri 4;
		675	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		676	}
		677
		678	=item cf::cache $id => [$paths...], $processversion => $process
		679
		680	Generic caching function that returns the value of the resource $id,
		681	caching and regenerating as required.
		682
		683	This function can block.
		684
		685	=cut
		686
		687	sub cache {
		688	my ($id, $src, $processversion, $process) = @_;
		689
		690	my $meta =
		691	join "\x00",
		692	$processversion,
		693	map {
		694	aio_stat $_
		695	and Carp::croak "$_: $!";
		696
		697	($_, (stat _)[7,9])
		698	} @$src;
		699
		700	my $dbmeta = db_get cache => "$id/meta";
		701	if ($dbmeta ne $meta) {
		702	# changed, we may need to process
		703
		704	my @data;
		705	my $md5;
		706
		707	for (0 .. $#$src) {
		708	0 <= aio_load $src->[$_], $data[$_]
		709	or Carp::croak "$src->[$_]: $!";
		710	}
		711
		712	# if processing is expensive, check
		713	# checksum first
		714	if (1) {
		715	$md5 =
		716	join "\x00",
		717	$processversion,
		718	map {
		719	cf::cede_to_tick;
		720	($src->[$_], Digest::MD5::md5_hex $data[$_])
		721	} 0.. $#$src;
		722
		723
		724	my $dbmd5 = db_get cache => "$id/md5";
		725	if ($dbmd5 eq $md5) {
		726	db_put cache => "$id/meta", $meta;
		727
		728	return db_get cache => "$id/data";
		729	}
		730	}
		731
		732	my $t1 = Time::HiRes::time;
		733	my $data = $process->(\@data);
		734	my $t2 = Time::HiRes::time;
		735
		736	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		737
		738	db_put cache => "$id/data", $data;
		739	db_put cache => "$id/md5" , $md5;
		740	db_put cache => "$id/meta", $meta;
		741
		742	return $data;
		743	}
		744
		745	db_get cache => "$id/data"
431	}	746	}
432		747
433	=item cf::datalog type => key => value, ...	748	=item cf::datalog type => key => value, ...
434		749
435	Log a datalog packet of the given type with the given key-value pairs.	750	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		762
448	#############################################################################	763	#############################################################################
449		764
450	=head2 ATTACHABLE OBJECTS	765	=head2 ATTACHABLE OBJECTS
451		766
452	Many objects in crossfire are so-called attachable objects. That means you can	767	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")	768	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	769	to it. All such attachable objects support the following methods.
455		770
456	In the following description, CLASS can be any of C<global>, C<object>	771	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	772	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	773	Deliantra).
459		774
460	=over 4	775	=over 4
461		776
462	=item $attachable->attach ($attachment, key => $value...)	777	=item $attachable->attach ($attachment, key => $value...)
463		778
…		…
507	=item cf::CLASS::attachment $name, ...	822	=item cf::CLASS::attachment $name, ...
508		823
509	Register an attachment by C<$name> through which attachable objects of the	824	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	825	given CLASS can refer to this attachment.
511		826
512	Some classes such as crossfire maps and objects can specify attachments	827	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.	828	that are attached at load/instantiate time, thus the need for a name.
514		829
515	These calls expect any number of the following handler/hook descriptions:	830	These calls expect any number of the following handler/hook descriptions:
516		831
517	=over 4	832	=over 4
…		…
665	_attach $registry, $klass, @attach;	980	_attach $registry, $klass, @attach;
666	}	981	}
667		982
668	$obj->{$name} = \%arg;	983	$obj->{$name} = \%arg;
669	} else {	984	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	985	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	986	}
672		987
673	$obj->{_attachment}{$name} = undef;	988	$obj->{_attachment}{$name} = undef;
674	}	989	}
675		990
…		…
715	";	1030	";
716	die if $@;	1031	die if $@;
717	}	1032	}
718		1033
719	our $override;	1034	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1035	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1036
722	sub override {	1037	sub override {
723	$override = 1;	1038	$override = 1;
724	@invoke_results = ();	1039	@INVOKE_RESULTS = (@_);
725	}	1040	}
726		1041
727	sub do_invoke {	1042	sub do_invoke {
728	my $event = shift;	1043	my $event = shift;
729	my $callbacks = shift;	1044	my $callbacks = shift;
730		1045
731	@invoke_results = ();	1046	@INVOKE_RESULTS = ();
732		1047
733	local $override;	1048	local $override;
734		1049
735	for (@$callbacks) {	1050	for (@$callbacks) {
736	eval { &{$_->[1]} };	1051	eval { &{$_->[1]} };
…		…
745	}	1060	}
746		1061
747	0	1062	0
748	}	1063	}
749		1064
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1065	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1066
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1067	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1068
754	Generate an object-specific event with the given arguments.	1069	Generate an object-specific event with the given arguments.
755		1070
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1071	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	1072	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1073	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1074
760	=back	1075	=back
761		1076
762	=cut	1077	=cut
763		1078
764	#############################################################################	1079	#############################################################################
765	# object support	1080	# object support
		1081
		1082	sub _object_equal($$);
		1083	sub _object_equal($$) {
		1084	my ($a, $b) = @_;
		1085
		1086	return 0 unless (ref $a) eq (ref $b);
		1087
		1088	if ("HASH" eq ref $a) {
		1089	my @ka = keys %$a;
		1090	my @kb = keys %$b;
		1091
		1092	return 0 if @ka != @kb;
		1093
		1094	for (0 .. $#ka) {
		1095	return 0 unless $ka[$_] eq $kb[$_];
		1096	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1097	}
		1098
		1099	} elsif ("ARRAY" eq ref $a) {
		1100
		1101	return 0 if @$a != @$b;
		1102
		1103	for (0 .. $#$a) {
		1104	return 0 unless _object_equal $a->[$_], $b->[$_];
		1105	}
		1106
		1107	} elsif ($a ne $b) {
		1108	return 0;
		1109	}
		1110
		1111	1
		1112	}
		1113
		1114	our $SLOW_MERGES;#d#
		1115	sub _can_merge {
		1116	my ($ob1, $ob2) = @_;
		1117
		1118	++$SLOW_MERGES;#d#
		1119
		1120	# we do the slow way here
		1121	return _object_equal $ob1, $ob2
		1122	}
766		1123
767	sub reattach {	1124	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1125	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1126	my ($obj) = @_;
770		1127
		1128	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1129	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1130
773	my $registry = $obj->registry;	1131	my $registry = $obj->registry;
774		1132
775	@$registry = ();	1133	@$registry = ();
776		1134
…		…
791	cf::attachable->attach (	1149	cf::attachable->attach (
792	prio => -1000000,	1150	prio => -1000000,
793	on_instantiate => sub {	1151	on_instantiate => sub {
794	my ($obj, $data) = @_;	1152	my ($obj, $data) = @_;
795		1153
796	$data = from_json $data;	1154	$data = decode_json $data;
797		1155
798	for (@$data) {	1156	for (@$data) {
799	my ($name, $args) = @$_;	1157	my ($name, $args) = @$_;
800		1158
801	$obj->attach ($name, %{$args || {} });	1159	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1175	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1176	my ($filename, $rdata, $objs) = @_;
819		1177
820	sync_job {	1178	sync_job {
821	if (length $$rdata) {	1179	if (length $$rdata) {
		1180	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1181	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1182	$decname, length $$rdata, scalar @$objs;
824		1183
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1186	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
829	close $fh;	1191	aio_close $fh;
830		1192
831	if (@$objs) {	1193	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1194	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1195	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1196	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1197	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
837	close $fh;	1202	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1203	aio_rename "$filename.pst~", "$filename.pst";
839	}	1204	}
840	} else {	1205	} else {
841	aio_unlink "$filename.pst";	1206	aio_unlink "$filename.pst";
842	}	1207	}
843		1208
844	aio_rename "$filename~", $filename;	1209	aio_rename "$filename~", $filename;
		1210
		1211	$filename =~ s%/[^/]+$%%;
		1212	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1213	} else {
846	warn "FATAL: $filename~: $!\n";	1214	warn "unable to save objects: $filename~: $!\n";
847	}	1215	}
848	} else {	1216	} else {
849	aio_unlink $filename;	1217	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1218	aio_unlink "$filename.pst";
851	}	1219	}
852	}	1220	};
853	}	1221	}
854		1222
855	sub object_freezer_as_string {	1223	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1224	my ($rdata, $objs) = @_;
857		1225
…		…
869	or return;	1237	or return;
870		1238
871	unless (aio_stat "$filename.pst") {	1239	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1240	(aio_load "$filename.pst", $av) >= 0
873	or return;	1241	or return;
		1242
874	$av = eval { (Storable::thaw $av)->{objs} };	1243	my $st = eval { Coro::Storable::thaw $av };
		1244	$av = $st->{objs};
875	}	1245	}
876		1246
		1247	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1248	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1249	$decname, length $data, scalar @{$av || []};
		1250
879	return ($data, $av);	1251	($data, $av)
880	}	1252	}
		1253
		1254	=head2 COMMAND CALLBACKS
		1255
		1256	=over 4
		1257
		1258	=cut
881		1259
882	#############################################################################	1260	#############################################################################
883	# command handling &c	1261	# command handling &c
884		1262
885	=item cf::register_command $name => \&callback($ob,$args);	1263	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1276	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1277	}
900		1278
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1279	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1280
903	Register a callbackf ro execution when the client sends an extcmd packet.	1281	Register a callback for execution when the client sends an (synchronous)
		1282	extcmd packet. Ext commands will be processed in the order they are
		1283	received by the server, like other user commands. The first argument is
		1284	the logged-in player. Ext commands can only be processed after a player
		1285	has logged in successfully.
904		1286
905	If the callback returns something, it is sent back as if reply was being	1287	If the callback returns something, it is sent back as if reply was being
906	called.	1288	called.
907		1289
		1290	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1291
		1292	Register a callback for execution when the client sends an (asynchronous)
		1293	exticmd packet. Exti commands are processed by the server as soon as they
		1294	are received, i.e. out of order w.r.t. other commands. The first argument
		1295	is a client socket. Exti commands can be received anytime, even before
		1296	log-in.
		1297
		1298	If the callback returns something, it is sent back as if reply was being
		1299	called.
		1300
908	=cut	1301	=cut
909		1302
910	sub register_extcmd {	1303	sub register_extcmd {
911	my ($name, $cb) = @_;	1304	my ($name, $cb) = @_;
912		1305
913	$EXTCMD{$name} = $cb;	1306	$EXTCMD{$name} = $cb;
914	}	1307	}
915		1308
		1309	sub register_exticmd {
		1310	my ($name, $cb) = @_;
		1311
		1312	$EXTICMD{$name} = $cb;
		1313	}
		1314
		1315	use File::Glob ();
		1316
916	cf::player->attach (	1317	cf::player->attach (
917	on_command => sub {	1318	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1319	my ($pl, $name, $params) = @_;
919		1320
920	my $cb = $COMMAND{$name}	1321	my $cb = $COMMAND{$name}
921	or return;	1322	or return;
922		1323
…		…
927	cf::override;	1328	cf::override;
928	},	1329	},
929	on_extcmd => sub {	1330	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1331	my ($pl, $buf) = @_;
931		1332
932	my $msg = eval { from_json $buf };	1333	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1334
934	if (ref $msg) {	1335	if (ref $msg) {
		1336	my ($type, $reply, @payload) =
		1337	"ARRAY" eq ref $msg
		1338	? @$msg
		1339	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1340
		1341	my @reply;
		1342
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1343	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1344	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1345	}
		1346
		1347	$pl->ext_reply ($reply, @reply)
		1348	if $reply;
		1349
940	} else {	1350	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1351	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1352	}
943		1353
944	cf::override;	1354	cf::override;
945	},	1355	},
946	);	1356	);
		1357
		1358	# "readahead" all extensions
		1359	sub cache_extensions {
		1360	my $grp = IO::AIO::aio_group;
		1361
		1362	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1363	for (grep /\.ext$/, @{$_[0]}) {
		1364	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1365	}
		1366	};
		1367
		1368	$grp
		1369	}
947		1370
948	sub load_extensions {	1371	sub load_extensions {
949	cf::sync_job {	1372	cf::sync_job {
950	my %todo;	1373	my %todo;
951		1374
…		…
967	path => $path,	1390	path => $path,
968	base => $base,	1391	base => $base,
969	pkg => $pkg,	1392	pkg => $pkg,
970	);	1393	);
971		1394
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1395	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1396	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1397
975	$ext{source} =	1398	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1399	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1400	. "#line 1 \"$path\"\n{\n"
978	. $source	1401	. $source
979	. "\n};\n1";	1402	. "\n};\n1";
980		1403
981	$todo{$base} = \%ext;	1404	$todo{$base} = \%ext;
982	}	1405	}
983		1406
		1407	my $pass = 0;
984	my %done;	1408	my %done;
985	while (%todo) {	1409	while (%todo) {
986	my $progress;	1410	my $progress;
987		1411
		1412	++$pass;
		1413
		1414	ext:
988	while (my ($k, $v) = each %todo) {	1415	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1416	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1417	next ext
991	unless exists $done{$_};	1418	unless exists $done{$_};
992	}	1419	}
993		1420
994	warn "... loading '$k' into '$v->{pkg}'\n";	1421	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1422
996	unless (eval $v->{source}) {	1423	my $active = eval $v->{source};
		1424
		1425	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1426	warn "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1427
		1428	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1429	if exists $v->{meta}{mandatory};
1001	warn $msg;	1430	} else {
1002	warn "mandatory extension failed to load, exiting.\n";	1431	$done{$k} = delete $todo{$k};
1003	exit 1;	1432	push @EXTS, $v->{pkg};
1004	}	1433	$progress = 1;
1005		1434
1006	die $msg;	1435	warn "$v->{base}: extension inactive.\n"
		1436	unless $active;
1007	}	1437	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1438	}
1012		1439
1013	skip:	1440	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1441	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1442
		1443	while (my ($k, $v) = each %todo) {
		1444	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1445	if exists $v->{meta}{mandatory};
		1446	}
		1447	}
1016	}	1448	}
1017	};	1449	};
1018	}	1450	}
1019		1451
1020	#############################################################################	1452	#############################################################################
1021		1453
		1454	=back
		1455
1022	=head2 CORE EXTENSIONS	1456	=head2 CORE EXTENSIONS
1023		1457
1024	Functions and methods that extend core crossfire objects.	1458	Functions and methods that extend core deliantra objects.
1025		1459
1026	=cut	1460	=cut
1027		1461
1028	package cf::player;	1462	package cf::player;
1029		1463
1030	use Coro::AIO;	1464	use Coro::AIO;
1031		1465
1032	=head3 cf::player	1466	=head3 cf::player
1033		1467
1034	=over 4	1468	=over 4
		1469
		1470	=item cf::player::num_playing
		1471
		1472	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1473
		1474	=cut
		1475
		1476	sub num_playing {
		1477	scalar grep
		1478	$_->ob->map
		1479	&& !$_->hidden
		1480	&& !$_->ob->flag (cf::FLAG_WIZ),
		1481	cf::player::list
		1482	}
1035		1483
1036	=item cf::player::find $login	1484	=item cf::player::find $login
1037		1485
1038	Returns the given player object, loading it if necessary (might block).	1486	Returns the given player object, loading it if necessary (might block).
1039		1487
…		…
1058		1506
1059	sub exists($) {	1507	sub exists($) {
1060	my ($login) = @_;	1508	my ($login) = @_;
1061		1509
1062	$cf::PLAYER{$login}	1510	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1511	or !aio_stat path $login
1064	}	1512	}
1065		1513
1066	sub find($) {	1514	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1515	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1516	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1523	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1524	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1525	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1526	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1527
1080	my $pl = load_pl path $login	1528	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1529	or return;
		1530
		1531	my $pl = cf::player::load_pl $f
		1532	or return;
		1533
		1534	local $cf::PLAYER_LOADING{$login} = $pl;
		1535	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1536	$cf::PLAYER{$login} = $pl
1083	}	1537	}
1084	}	1538	}
1085	}	1539	}
		1540
		1541	cf::player->attach (
		1542	on_load => sub {
		1543	my ($pl, $path) = @_;
		1544
		1545	# restore slots saved in save, below
		1546	my $slots = delete $pl->{_slots};
		1547
		1548	$pl->ob->current_weapon ($slots->[0]);
		1549	$pl->combat_ob ($slots->[1]);
		1550	$pl->ranged_ob ($slots->[2]);
		1551	},
		1552	);
1086		1553
1087	sub save($) {	1554	sub save($) {
1088	my ($pl) = @_;	1555	my ($pl) = @_;
1089		1556
1090	return if $pl->{deny_save};	1557	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1562	return if $pl->{deny_save};
1096		1563
1097	aio_mkdir playerdir $pl, 0770;	1564	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1565	$pl->{last_save} = $cf::RUNTIME;
1099		1566
		1567	cf::get_slot 0.01;
		1568
		1569	# save slots, to be restored later
		1570	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1571
1100	$pl->save_pl ($path);	1572	$pl->save_pl ($path);
1101	Coro::cede;	1573	cf::cede_to_tick;
1102	}	1574	}
1103		1575
1104	sub new($) {	1576	sub new($) {
1105	my ($login) = @_;	1577	my ($login) = @_;
1106		1578
…		…
1112	$cf::PLAYER{$login} = $self;	1584	$cf::PLAYER{$login} = $self;
1113		1585
1114	$self	1586	$self
1115	}	1587	}
1116		1588
		1589	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1590
		1591	=cut
		1592
		1593	sub send_msg {
		1594	my $ns = shift->ns
		1595	or return;
		1596	$ns->send_msg (@_);
		1597	}
		1598
1117	=item $pl->quit_character	1599	=item $pl->quit_character
1118		1600
1119	Nukes the player without looking back. If logged in, the connection will	1601	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1602	be destroyed. May block for a long time.
1121		1603
…		…
1125	my ($pl) = @_;	1607	my ($pl) = @_;
1126		1608
1127	my $name = $pl->ob->name;	1609	my $name = $pl->ob->name;
1128		1610
1129	$pl->{deny_save} = 1;	1611	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1612	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1613
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1614	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1615	$pl->deactivate;
		1616	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1617	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1618	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1619	$pl->ns->destroy if $pl->ns;
1136		1620
1137	my $path = playerdir $pl;	1621	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1622	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1658	or return [];
1175		1659
1176	my @logins;	1660	my @logins;
1177		1661
1178	for my $login (@$dirs) {	1662	for my $login (@$dirs) {
		1663	my $path = path $login;
		1664
		1665	# a .pst is a dead give-away for a valid player
		1666	# if no pst file found, open and chekc for blocked users
		1667	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1668	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1669	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1670	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1671	}
1182		1672
1183	utf8::decode $login;	1673	utf8::decode $login;
1184	push @logins, $login;	1674	push @logins, $login;
1185	}	1675	}
1186		1676
…		…
1213	}	1703	}
1214		1704
1215	\@paths	1705	\@paths
1216	}	1706	}
1217		1707
		1708	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1709
		1710	Expand deliantra pod fragments into protocol xml.
		1711
1218	=item $player->ext_reply ($msgid, %msg)	1712	=item $player->ext_reply ($msgid, @msg)
1219		1713
1220	Sends an ext reply to the player.	1714	Sends an ext reply to the player.
1221		1715
1222	=cut	1716	=cut
1223		1717
1224	sub ext_reply($$%) {	1718	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1719	my ($self, $id, @msg) = @_;
1226		1720
1227	$msg{msgid} = $id;	1721	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1722	}
1231		1723
1232	=item $player->ext_event ($type, %msg)	1724	=item $player->ext_msg ($type, @msg)
1233		1725
1234	Sends an ext event to the client.	1726	Sends an ext event to the client.
1235		1727
1236	=cut	1728	=cut
1237		1729
1238	sub ext_event($$%) {	1730	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1731	my ($self, $type, @msg) = @_;
1240		1732
1241	$self->ns->ext_event ($type, %msg);	1733	$self->ns->ext_msg ($type, @msg);
1242	}	1734	}
1243		1735
1244	=head3 cf::region	1736	=head3 cf::region
1245		1737
1246	=over 4	1738	=over 4
…		…
1249		1741
1250	package cf::region;	1742	package cf::region;
1251		1743
1252	=item cf::region::find_by_path $path	1744	=item cf::region::find_by_path $path
1253		1745
1254	Tries to decuce the probable region for a map knowing only its path.	1746	Tries to decuce the likely region for a map knowing only its path.
1255		1747
1256	=cut	1748	=cut
1257		1749
1258	sub find_by_path($) {	1750	sub find_by_path($) {
1259	my ($path) = @_;	1751	my ($path) = @_;
1260		1752
1261	my ($match, $specificity);	1753	my ($match, $specificity);
1262		1754
1263	for my $region (list) {	1755	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1756	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1757	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1758	if $region->specificity > $specificity;
1267	}	1759	}
1268	}	1760	}
1269		1761
…		…
1290	our $MAX_RESET = 3600;	1782	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1783	our $DEFAULT_RESET = 3000;
1292		1784
1293	sub generate_random_map {	1785	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1786	my ($self, $rmp) = @_;
		1787
		1788	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1789
1295	# mit "rum" bekleckern, nicht	1790	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1791	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1792	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1793	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1794	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1795	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1796	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1797	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1798	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1389	$self->init; # pass $1 etc.	1884	$self->init; # pass $1 etc.
1390	return $self;	1885	return $self;
1391	}	1886	}
1392	}	1887	}
1393		1888
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1889	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1890	()
1396	}	1891	}
1397		1892
1398	sub init {	1893	sub init {
1399	my ($self) = @_;	1894	my ($self) = @_;
…		…
1421		1916
1422	# the temporary/swap location	1917	# the temporary/swap location
1423	sub save_path {	1918	sub save_path {
1424	my ($self) = @_;	1919	my ($self) = @_;
1425		1920
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1921	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1922	"$TMPDIR/$path.map"
1428	}	1923	}
1429		1924
1430	# the unique path, undef == no special unique path	1925	# the unique path, undef == no special unique path
1431	sub uniq_path {	1926	sub uniq_path {
1432	my ($self) = @_;	1927	my ($self) = @_;
1433		1928
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1929	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1930	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1931	}
1446		1932
1447	sub decay_objects {	1933	sub decay_objects {
1448	my ($self) = @_;	1934	my ($self) = @_;
1449		1935
…		…
1462		1948
1463	sub load_header_from($) {	1949	sub load_header_from($) {
1464	my ($self, $path) = @_;	1950	my ($self, $path) = @_;
1465		1951
1466	utf8::encode $path;	1952	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1953	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1954	or return;
		1955
		1956	$self->_load_header ($f)
		1957	or return;
		1958
		1959	local $MAP_LOADING{$self->{path}} = $self;
		1960	$f->resolve_delayed_derefs;
1472		1961
1473	$self->{load_path} = $path;	1962	$self->{load_path} = $path;
1474		1963
1475	1	1964	1
1476	}	1965	}
…		…
1530	sub find {	2019	sub find {
1531	my ($path, $origin) = @_;	2020	my ($path, $origin) = @_;
1532		2021
1533	$path = normalise $path, $origin && $origin->path;	2022	$path = normalise $path, $origin && $origin->path;
1534		2023
		2024	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2025	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2026
1537	$cf::MAP{$path} || do {	2027	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2028	my $map = new_from_path cf::map $path
1540	or return;	2029	or return;
1541		2030
1542	$map->{last_save} = $cf::RUNTIME;	2031	$map->{last_save} = $cf::RUNTIME;
1543		2032
…		…
1545	or return;	2034	or return;
1546		2035
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2036	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2037	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2038	#$cf::WAIT_FOR_TICK->wait;
		2039	undef $guard2;
		2040	undef $guard1;
1550	$map->reset;	2041	$map->reset;
1551	undef $guard;
1552	return find $path;	2042	return find $path;
1553	}	2043	}
1554		2044
1555	$cf::MAP{$path} = $map	2045	$cf::MAP{$path} = $map
1556	}	2046	}
1557	}	2047	}
1558		2048
1559	sub pre_load { }	2049	sub pre_load { }
1560	sub post_load { }	2050	#sub post_load { } # XS
1561		2051
1562	sub load {	2052	sub load {
1563	my ($self) = @_;	2053	my ($self) = @_;
1564		2054
1565	local $self->{deny_reset} = 1; # loading can take a long time	2055	local $self->{deny_reset} = 1; # loading can take a long time
1566		2056
1567	my $path = $self->{path};	2057	my $path = $self->{path};
1568		2058
1569	{	2059	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2060	my $guard = cf::lock_acquire "map_data:$path";
1571		2061
		2062	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2063	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2064
1574	$self->in_memory (cf::MAP_LOADING);	2065	$self->in_memory (cf::MAP_LOADING);
1575		2066
1576	$self->alloc;	2067	$self->alloc;
1577		2068
1578	$self->pre_load;	2069	$self->pre_load;
1579	Coro::cede;	2070	cf::cede_to_tick;
1580		2071
		2072	my $f = new_from_file cf::object::thawer $self->{load_path};
		2073	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2074	$self->_load_objects ($f)
1582	or return;	2075	or return;
1583		2076
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2077	$self->post_load_original
1585	if delete $self->{load_original};	2078	if delete $self->{load_original};
1586		2079
1587	if (my $uniq = $self->uniq_path) {	2080	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2081	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2082	unless (aio_stat $uniq) {
		2083	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2084	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2085	$self->_load_objects ($f);
		2086	$f->resolve_delayed_derefs;
		2087	}
1592	}	2088	}
1593	}	2089	}
1594		2090
1595	Coro::cede;	2091	$f->resolve_delayed_derefs;
		2092
		2093	cf::cede_to_tick;
1596	# now do the right thing for maps	2094	# now do the right thing for maps
1597	$self->link_multipart_objects;	2095	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2096	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2097	unless $self->difficulty;
1600	Coro::cede;	2098	cf::cede_to_tick;
1601		2099
1602	unless ($self->{deny_activate}) {	2100	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2101	$self->decay_objects;
1604	$self->fix_auto_apply;	2102	$self->fix_auto_apply;
1605	$self->update_buttons;	2103	$self->update_buttons;
1606	Coro::cede;	2104	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2105	$self->activate;
1610	}	2106	}
1611		2107
		2108	$self->{last_save} = $cf::RUNTIME;
		2109	$self->last_access ($cf::RUNTIME);
		2110
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2111	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2112	}
1614		2113
1615	$self->post_load;	2114	$self->post_load;
1616	}	2115	}
1617		2116
		2117	# customize the map for a given player, i.e.
		2118	# return the _real_ map. used by e.g. per-player
		2119	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2120	sub customise_for {
1619	my ($self, $ob) = @_;	2121	my ($self, $ob) = @_;
1620		2122
1621	return find "~" . $ob->name . "/" . $self->{path}	2123	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2124	if $self->per_player;
…		…
1626		2128
1627	$self	2129	$self
1628	}	2130	}
1629		2131
1630	# find and load all maps in the 3x3 area around a map	2132	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2133	sub load_neighbours {
1632	my ($map) = @_;	2134	my ($map) = @_;
1633		2135
1634	my @diag; # diagonal neighbours	2136	my @neigh; # diagonal neighbours
1635		2137
1636	for (0 .. 3) {	2138	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2139	my $neigh = $map->tile_path ($_)
1638	or next;	2140	or next;
1639	$neigh = find $neigh, $map	2141	$neigh = find $neigh, $map
1640	or next;	2142	or next;
1641	$neigh->load;	2143	$neigh->load;
1642		2144
		2145	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2146	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2147	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2148	}
1646		2149
1647	for (@diag) {	2150	for (grep defined $_->[0], @neigh) {
		2151	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2152	my $neigh = find $path, $origin
1649	or next;	2153	or next;
1650	$neigh->load;	2154	$neigh->load;
1651	}	2155	}
1652	}	2156	}
1653		2157
…		…
1658	}	2162	}
1659		2163
1660	sub do_load_sync {	2164	sub do_load_sync {
1661	my ($map) = @_;	2165	my ($map) = @_;
1662		2166
		2167	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2168	if $Coro::current == $Coro::main;
		2169
1663	cf::sync_job { $map->load };	2170	cf::sync_job { $map->load };
1664	}	2171	}
1665		2172
1666	our %MAP_PREFETCH;	2173	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2174	our $MAP_PREFETCHER = undef;
1668		2175
1669	sub find_async {	2176	sub find_async {
1670	my ($path, $origin) = @_;	2177	my ($path, $origin, $load) = @_;
1671		2178
1672	$path = normalise $path, $origin && $origin->{path};	2179	$path = normalise $path, $origin && $origin->{path};
1673		2180
1674	if (my $map = $cf::MAP{$path}) {	2181	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2182	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2183	}
1677		2184
1678	undef $MAP_PREFETCH{$path};	2185	$MAP_PREFETCH{$path} |= $load;
		2186
1679	$MAP_PREFETCHER ||= cf::async {	2187	$MAP_PREFETCHER ||= cf::async {
		2188	$Coro::current->{desc} = "map prefetcher";
		2189
1680	while (%MAP_PREFETCH) {	2190	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2191	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2192	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2193	$map->load if $v;
		2194	}
1685		2195
1686	delete $MAP_PREFETCH{$path};	2196	delete $MAP_PREFETCH{$k};
1687	}	2197	}
1688	}	2198	}
1689	undef $MAP_PREFETCHER;	2199	undef $MAP_PREFETCHER;
1690	};	2200	};
1691	$MAP_PREFETCHER->prio (6);	2201	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2204	}
1695		2205
1696	sub save {	2206	sub save {
1697	my ($self) = @_;	2207	my ($self) = @_;
1698		2208
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2210
1701	$self->{last_save} = $cf::RUNTIME;	2211	$self->{last_save} = $cf::RUNTIME;
1702		2212
1703	return unless $self->dirty;	2213	return unless $self->dirty;
1704		2214
…		…
1710	return if $self->{deny_save};	2220	return if $self->{deny_save};
1711		2221
1712	local $self->{last_access} = $self->last_access;#d#	2222	local $self->{last_access} = $self->last_access;#d#
1713		2223
1714	cf::async {	2224	cf::async {
		2225	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2226	$_->contr->save for $self->players;
1716	};	2227	};
		2228
		2229	cf::get_slot 0.02;
1717		2230
1718	if ($uniq) {	2231	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2232	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2233	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2234	} else {
…		…
1727	my ($self) = @_;	2240	my ($self) = @_;
1728		2241
1729	# save first because save cedes	2242	# save first because save cedes
1730	$self->save;	2243	$self->save;
1731		2244
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2246
1734	return if $self->players;	2247	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2248	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2249	return if $self->{deny_save};
1737		2250
		2251	$self->in_memory (cf::MAP_SWAPPED);
		2252
		2253	$self->deactivate;
		2254	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2255	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2256	}
1741		2257
1742	sub reset_at {	2258	sub reset_at {
1743	my ($self) = @_;	2259	my ($self) = @_;
1744		2260
…		…
1762		2278
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2280
1765	return if $self->players;	2281	return if $self->players;
1766		2282
1767	warn "resetting map ", $self->path;	2283	warn "resetting map ", $self->path, "\n";
1768		2284
1769	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
1770		2286
1771	# need to save uniques path	2287	# need to save uniques path
1772	unless ($self->{deny_save}) {	2288	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2292	if $uniq;
1777	}	2293	}
1778		2294
1779	delete $cf::MAP{$self->path};	2295	delete $cf::MAP{$self->path};
1780		2296
		2297	$self->deactivate;
		2298	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2299	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2300
1785	$self->unlink_save;	2301	$self->unlink_save;
1786	$self->destroy;	2302	$self->destroy;
1787	}	2303	}
1788		2304
1789	my $nuke_counter = "aaaa";	2305	my $nuke_counter = "aaaa";
1790		2306
1791	sub nuke {	2307	sub nuke {
1792	my ($self) = @_;	2308	my ($self) = @_;
1793		2309
		2310	{
		2311	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2312
1794	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1795		2314
1796	$self->unlink_save;	2315	$self->unlink_save;
1797		2316
1798	bless $self, "cf::map";	2317	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2318	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2319	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2320	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2321	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2322
1804	$cf::MAP{$self->path} = $self;	2323	$cf::MAP{$self->path} = $self;
		2324	}
1805		2325
1806	$self->reset; # polite request, might not happen	2326	$self->reset; # polite request, might not happen
1807	}	2327	}
1808		2328
1809	=item $maps = cf::map::tmp_maps	2329	=item $maps = cf::map::tmp_maps
…		…
1851		2371
1852	sub unique_maps() {	2372	sub unique_maps() {
1853	[	2373	[
1854	map {	2374	map {
1855	utf8::decode $_;	2375	utf8::decode $_;
1856	/\.map$/	2376	s/\.map$//; # TODO future compatibility hack
		2377	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2378	? ()
1857	? normalise $_	2379	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2380	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2381	]
1861	}	2382	}
1862		2383
1863	package cf;	2384	=item cf::map::static_maps
		2385
		2386	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2387	file in the shared directory excluding F</styles> and F</editor>). May
		2388	block.
		2389
		2390	=cut
		2391
		2392	sub static_maps() {
		2393	my @dirs = "";
		2394	my @maps;
		2395
		2396	while (@dirs) {
		2397	my $dir = shift @dirs;
		2398
		2399	next if $dir eq "/styles" || $dir eq "/editor";
		2400
		2401	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2402	or return;
		2403
		2404	for (@$files) {
		2405	s/\.map$// or next;
		2406	utf8::decode $_;
		2407	push @maps, "$dir/$_";
		2408	}
		2409
		2410	push @dirs, map "$dir/$_", @$dirs;
		2411	}
		2412
		2413	\@maps
		2414	}
1864		2415
1865	=back	2416	=back
1866		2417
1867	=head3 cf::object	2418	=head3 cf::object
1868		2419
…		…
1872		2423
1873	=over 4	2424	=over 4
1874		2425
1875	=item $ob->inv_recursive	2426	=item $ob->inv_recursive
1876		2427
1877	Returns the inventory of the object _and_ their inventories, recursively.	2428	Returns the inventory of the object I<and> their inventories, recursively,
		2429	but I<not> the object itself.
1878		2430
1879	=cut	2431	=cut
1880		2432
1881	sub inv_recursive_;	2433	sub inv_recursive_;
1882	sub inv_recursive_ {	2434	sub inv_recursive_ {
…		…
1885		2437
1886	sub inv_recursive {	2438	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2439	inv_recursive_ inv $_[0]
1888	}	2440	}
1889		2441
		2442	=item $ref = $ob->ref
		2443
		2444	Creates and returns a persistent reference to an object that can be stored as a string.
		2445
		2446	=item $ob = cf::object::deref ($refstring)
		2447
		2448	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2449	even if the object actually exists. May block.
		2450
		2451	=cut
		2452
		2453	sub deref {
		2454	my ($ref) = @_;
		2455
		2456	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2457	my ($uuid, $name) = ($1, $2);
		2458	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2459	or return;
		2460	$pl->ob->uuid eq $uuid
		2461	or return;
		2462
		2463	$pl->ob
		2464	} else {
		2465	warn "$ref: cannot resolve object reference\n";
		2466	undef
		2467	}
		2468	}
		2469
1890	package cf;	2470	package cf;
1891		2471
1892	=back	2472	=back
1893		2473
1894	=head3 cf::object::player	2474	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2480	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2481	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2482	dialogue with the given NPC character.
1903		2483
1904	=cut	2484	=cut
		2485
		2486	our $SAY_CHANNEL = {
		2487	id => "say",
		2488	title => "Map",
		2489	reply => "say ",
		2490	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2491	};
		2492
		2493	our $CHAT_CHANNEL = {
		2494	id => "chat",
		2495	title => "Chat",
		2496	reply => "chat ",
		2497	tooltip => "Player chat and shouts, global to the server.",
		2498	};
1905		2499
1906	# rough implementation of a future "reply" method that works	2500	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2501	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2502	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2503	sub cf::object::player::reply($$$;$) {
…		…
1911		2505
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2506	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2507
1914	if ($self->{record_replies}) {	2508	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2509	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2510
1916	} else {	2511	} else {
		2512	my $pl = $self->contr;
		2513
		2514	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2515	my $dialog = $pl->{npc_dialog};
		2516	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2517
		2518	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2519	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2520	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2521	}
1919	}	2522	}
		2523	}
		2524
		2525	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2526
		2527	=cut
		2528
		2529	sub cf::object::send_msg {
		2530	my $pl = shift->contr
		2531	or return;
		2532	$pl->send_msg (@_);
1920	}	2533	}
1921		2534
1922	=item $player_object->may ("access")	2535	=item $player_object->may ("access")
1923		2536
1924	Returns wether the given player is authorized to access resource "access"	2537	Returns wether the given player is authorized to access resource "access"
…		…
1937		2550
1938	=item $player_object->enter_link	2551	=item $player_object->enter_link
1939		2552
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2553	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2554
1942	The player should be reasonably safe there for short amounts of time. You	2555	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2556	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2557	though, as the palyer cannot control the character while it is on the link
		2558	map.
1944		2559
1945	Will never block.	2560	Will never block.
1946		2561
1947	=item $player_object->leave_link ($map, $x, $y)	2562	=item $player_object->leave_link ($map, $x, $y)
1948		2563
…		…
2000	($x, $y) = (-1, -1)	2615	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2616	unless (defined $x) && (defined $y);
2002		2617
2003	# use -1 or undef as default coordinates, not 0, 0	2618	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2619	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2620	if $x <= 0 && $y <= 0;
2006		2621
2007	$map->load;	2622	$map->load;
2008	$map->load_diag;	2623	$map->load_neighbours;
2009		2624
2010	return unless $self->contr->active;	2625	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2626
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2627	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2628	$self->enter_map ($map, $x, $y);
2015	}
2016		2629
		2630	# only activate afterwards, to support waiting in hooks
		2631	$self->activate_recursive;
		2632	}
		2633
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2634	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2635
2019	Moves the player to the given map-path and coordinates by first freezing	2636	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2637	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2638	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2639	the new (success) or old (failed) map position. In either case, $done will
		2640	be called at the end of this process.
		2641
		2642	Note that $check will be called with a potentially non-loaded map, so if
		2643	it needs a loaded map it has to call C<< ->load >>.
2023		2644
2024	=cut	2645	=cut
2025		2646
2026	our $GOTOGEN;	2647	our $GOTOGEN;
2027		2648
2028	sub cf::object::player::goto {	2649	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2650	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2651
2031	# do generation counting so two concurrent goto's will be executed in-order	2652	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2653	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2654
2034	$self->enter_link;	2655	$self->enter_link;
2035		2656
2036	(async {	2657	(async {
		2658	$Coro::current->{desc} = "player::goto $path $x $y";
		2659
		2660	# *tag paths override both path and x|y
		2661	if ($path =~ /^\*(.*)$/) {
		2662	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2663	my $ob = $obs[rand @obs];
		2664
		2665	# see if we actually can go there
		2666	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2667	$ob = $obs[rand @obs];
		2668	} else {
		2669	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	}
		2671	# else put us there anyways for now #d#
		2672
		2673	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2674	} else {
		2675	($path, $x, $y) = (undef, undef, undef);
		2676	}
		2677	}
		2678
2037	my $map = eval {	2679	my $map = eval {
2038	my $map = cf::map::find $path;	2680	my $map = defined $path ? cf::map::find $path : undef;
2039		2681
2040	if ($map) {	2682	if ($map) {
2041	$map = $map->customise_for ($self);	2683	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2684	$map = $check->($map) if $check && $map;
2043	} else {	2685	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2686	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2687	}
2046		2688
2047	$map	2689	$map
2048	};	2690	};
2049		2691
…		…
2054		2696
2055	if ($gen == $self->{_goto_generation}) {	2697	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2698	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2699	$self->leave_link ($map, $x, $y);
2058	}	2700	}
		2701
		2702	$done->() if $done;
2059	})->prio (1);	2703	})->prio (1);
2060	}	2704	}
2061		2705
2062	=item $player_object->enter_exit ($exit_object)	2706	=item $player_object->enter_exit ($exit_object)
2063		2707
…		…
2083	}	2727	}
2084		2728
2085	sub prepare_random_map {	2729	sub prepare_random_map {
2086	my ($exit) = @_;	2730	my ($exit) = @_;
2087		2731
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2732	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2733	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2734	# that depends on the exit object
2093		2735
2094	my $rmp = parse_random_map_params $exit->msg;	2736	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2738	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2739	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2740	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2741	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2742	$rmp->{origin_y} = $exit->y;
		2743
		2744	$exit->map->touch;
2101	}	2745	}
2102		2746
2103	$rmp->{random_seed} ||= $exit->random_seed;	2747	$rmp->{random_seed} ||= $exit->random_seed;
2104		2748
2105	my $data = cf::to_json $rmp;	2749	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2750	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2751	my $meta = "$RANDOMDIR/$md5.meta";
2108		2752
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2753	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2754	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2755	undef $fh;
2112	aio_rename "$meta~", $meta;	2756	aio_rename "$meta~", $meta;
2113		2757
		2758	my $slaying = "?random/$md5";
		2759
		2760	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2761	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2762	$exit->msg (undef);
		2763	}
2116	}	2764	}
2117	}	2765	}
2118		2766
2119	sub cf::object::player::enter_exit {	2767	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2768	my ($self, $exit) = @_;
2121		2769
2122	return unless $self->type == cf::PLAYER;	2770	return unless $self->type == cf::PLAYER;
2123		2771
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2772	$self->enter_link;
2136		2773
2137	(async {	2774	(async {
2138	$self->deactivate_recursive; # just to be sure	2775	$Coro::current->{desc} = "enter_exit";
		2776
2139	unless (eval {	2777	unless (eval {
		2778	$self->deactivate_recursive; # just to be sure
		2779
		2780	# random map handling
		2781	{
		2782	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2783
		2784	prepare_random_map $exit
		2785	if $exit->slaying eq "/!";
		2786	}
		2787
		2788	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2789	my $x = $exit->stats->hp;
		2790	my $y = $exit->stats->sp;
		2791
2140	$self->goto ($slaying, $hp, $sp);	2792	$self->goto ($map, $x, $y);
2141		2793
		2794	# if exit is damned, update players death & WoR home-position
		2795	$self->contr->savebed ($map, $x, $y)
		2796	if $exit->flag (cf::FLAG_DAMNED);
		2797
2142	1;	2798	1
2143	}) {	2799	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2800	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2801	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2802	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2803	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2804
2149	warn "ERROR in enter_exit: $@";	2805	warn "ERROR in enter_exit: $@";
…		…
2168		2824
2169	utf8::encode $text;	2825	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2826	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2827	}
2172		2828
		2829	=item $client->send_big_packet ($pkt)
		2830
		2831	Like C<send_packet>, but tries to compress large packets, and fragments
		2832	them as required.
		2833
		2834	=cut
		2835
		2836	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2837
		2838	sub cf::client::send_big_packet {
		2839	my ($self, $pkt) = @_;
		2840
		2841	# try lzf for large packets
		2842	$pkt = "lzf " . Compress::LZF::compress $pkt
		2843	if 1024 <= length $pkt and $self->{can_lzf};
		2844
		2845	# split very large packets
		2846	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2847	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2848	$pkt = "frag";
		2849	}
		2850
		2851	$self->send_packet ($pkt);
		2852	}
		2853
		2854	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2855
		2856	Send a drawinfo or msg packet to the client, formatting the msg for the
		2857	client if neccessary. C<$type> should be a string identifying the type of
		2858	the message, with C<log> being the default. If C<$color> is negative, suppress
		2859	the message unless the client supports the msg packet.
		2860
		2861	=cut
		2862
		2863	# non-persistent channels (usually the info channel)
		2864	our %CHANNEL = (
		2865	"c/motd" => {
		2866	id => "infobox",
		2867	title => "MOTD",
		2868	reply => undef,
		2869	tooltip => "The message of the day",
		2870	},
		2871	"c/identify" => {
		2872	id => "infobox",
		2873	title => "Identify",
		2874	reply => undef,
		2875	tooltip => "Items recently identified",
		2876	},
		2877	"c/examine" => {
		2878	id => "infobox",
		2879	title => "Examine",
		2880	reply => undef,
		2881	tooltip => "Signs and other items you examined",
		2882	},
		2883	"c/shopinfo" => {
		2884	id => "infobox",
		2885	title => "Shop Info",
		2886	reply => undef,
		2887	tooltip => "What your bargaining skill tells you about the shop",
		2888	},
		2889	"c/book" => {
		2890	id => "infobox",
		2891	title => "Book",
		2892	reply => undef,
		2893	tooltip => "The contents of a note or book",
		2894	},
		2895	"c/lookat" => {
		2896	id => "infobox",
		2897	title => "Look",
		2898	reply => undef,
		2899	tooltip => "What you saw there",
		2900	},
		2901	"c/who" => {
		2902	id => "infobox",
		2903	title => "Players",
		2904	reply => undef,
		2905	tooltip => "Shows players who are currently online",
		2906	},
		2907	"c/body" => {
		2908	id => "infobox",
		2909	title => "Body Parts",
		2910	reply => undef,
		2911	tooltip => "Shows which body parts you posess and are available",
		2912	},
		2913	"c/statistics" => {
		2914	id => "infobox",
		2915	title => "Statistics",
		2916	reply => undef,
		2917	tooltip => "Shows your primary statistics",
		2918	},
		2919	"c/skills" => {
		2920	id => "infobox",
		2921	title => "Skills",
		2922	reply => undef,
		2923	tooltip => "Shows your experience per skill and item power",
		2924	},
		2925	"c/shopitems" => {
		2926	id => "infobox",
		2927	title => "Shop Items",
		2928	reply => undef,
		2929	tooltip => "Shows the items currently for sale in this shop",
		2930	},
		2931	"c/resistances" => {
		2932	id => "infobox",
		2933	title => "Resistances",
		2934	reply => undef,
		2935	tooltip => "Shows your resistances",
		2936	},
		2937	"c/pets" => {
		2938	id => "infobox",
		2939	title => "Pets",
		2940	reply => undef,
		2941	tooltip => "Shows information abotu your pets/a specific pet",
		2942	},
		2943	"c/perceiveself" => {
		2944	id => "infobox",
		2945	title => "Perceive Self",
		2946	reply => undef,
		2947	tooltip => "You gained detailed knowledge about yourself",
		2948	},
		2949	"c/uptime" => {
		2950	id => "infobox",
		2951	title => "Uptime",
		2952	reply => undef,
		2953	tooltip => "How long the server has been running since last restart",
		2954	},
		2955	"c/mapinfo" => {
		2956	id => "infobox",
		2957	title => "Map Info",
		2958	reply => undef,
		2959	tooltip => "Information related to the maps",
		2960	},
		2961	"c/party" => {
		2962	id => "party",
		2963	title => "Party",
		2964	reply => "gsay ",
		2965	tooltip => "Messages and chat related to your party",
		2966	},
		2967	"c/death" => {
		2968	id => "death",
		2969	title => "Death",
		2970	reply => undef,
		2971	tooltip => "Reason for and more info about your most recent death",
		2972	},
		2973	"c/say" => $SAY_CHANNEL,
		2974	"c/chat" => $CHAT_CHANNEL,
		2975	);
		2976
		2977	sub cf::client::send_msg {
		2978	my ($self, $channel, $msg, $color, @extra) = @_;
		2979
		2980	$msg = $self->pl->expand_cfpod ($msg)
		2981	unless $color & cf::NDI_VERBATIM;
		2982
		2983	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2984
		2985	# check predefined channels, for the benefit of C
		2986	if ($CHANNEL{$channel}) {
		2987	$channel = $CHANNEL{$channel};
		2988
		2989	$self->ext_msg (channel_info => $channel);
		2990	$channel = $channel->{id};
		2991
		2992	} elsif (ref $channel) {
		2993	# send meta info to client, if not yet sent
		2994	unless (exists $self->{channel}{$channel->{id}}) {
		2995	$self->{channel}{$channel->{id}} = $channel;
		2996	$self->ext_msg (channel_info => $channel);
		2997	}
		2998
		2999	$channel = $channel->{id};
		3000	}
		3001
		3002	return unless @extra || length $msg;
		3003
		3004	# default colour, mask it out
		3005	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3006	if $color & cf::NDI_DEF;
		3007
		3008	my $pkt = "msg "
		3009	. $self->{json_coder}->encode (
		3010	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3011	);
		3012
		3013	$self->send_big_packet ($pkt);
		3014	}
		3015
2173	=item $client->ext_event ($type, %msg)	3016	=item $client->ext_msg ($type, @msg)
2174		3017
2175	Sends an exti event to the client.	3018	Sends an ext event to the client.
2176		3019
2177	=cut	3020	=cut
2178		3021
2179	sub cf::client::ext_event($$%) {	3022	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3023	my ($self, $type, @msg) = @_;
2181		3024
		3025	if ($self->extcmd == 2) {
		3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3027	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3028	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3029	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3030	}
		3031	}
		3032
		3033	=item $client->ext_reply ($msgid, @msg)
		3034
		3035	Sends an ext reply to the client.
		3036
		3037	=cut
		3038
		3039	sub cf::client::ext_reply($$@) {
		3040	my ($self, $id, @msg) = @_;
		3041
		3042	if ($self->extcmd == 2) {
		3043	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3044	} elsif ($self->extcmd == 1) {
		3045	#TODO: version 1, remove
		3046	unshift @msg, msgtype => "reply", msgid => $id;
		3047	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3048	}
2184	}	3049	}
2185		3050
2186	=item $success = $client->query ($flags, "text", \&cb)	3051	=item $success = $client->query ($flags, "text", \&cb)
2187		3052
2188	Queues a query to the client, calling the given callback with	3053	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3054	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3055	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3056
2192	Queries can fail, so check the return code. Or don't, as queries will become	3057	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3058	become reliable at some point in the future.
2194		3059
2195	=cut	3060	=cut
2196		3061
2197	sub cf::client::query {	3062	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3063	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3071	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3072	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3073
2209	$self->send_packet ($self->{query_queue}[0][0])	3074	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3075	if @{ $self->{query_queue} } == 1;
		3076
		3077	1
2211	}	3078	}
2212		3079
2213	cf::client->attach (	3080	cf::client->attach (
		3081	on_connect => sub {
		3082	my ($ns) = @_;
		3083
		3084	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3085	},
2214	on_reply => sub {	3086	on_reply => sub {
2215	my ($ns, $msg) = @_;	3087	my ($ns, $msg) = @_;
2216		3088
2217	# this weird shuffling is so that direct followup queries	3089	# this weird shuffling is so that direct followup queries
2218	# get handled first	3090	# get handled first
…		…
2230	} else {	3102	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3103	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3104	}
2233	}	3105	}
2234	},	3106	},
		3107	on_exticmd => sub {
		3108	my ($ns, $buf) = @_;
		3109
		3110	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3111
		3112	if (ref $msg) {
		3113	my ($type, $reply, @payload) =
		3114	"ARRAY" eq ref $msg
		3115	? @$msg
		3116	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3117
		3118	my @reply;
		3119
		3120	if (my $cb = $EXTICMD{$type}) {
		3121	@reply = $cb->($ns, @payload);
		3122	}
		3123
		3124	$ns->ext_reply ($reply, @reply)
		3125	if $reply;
		3126
		3127	} else {
		3128	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3129	}
		3130
		3131	cf::override;
		3132	},
2235	);	3133	);
2236		3134
2237	=item $client->async (\&cb)	3135	=item $client->async (\&cb)
2238		3136
2239	Create a new coroutine, running the specified callback. The coroutine will	3137	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3153
2256	$coro	3154	$coro
2257	}	3155	}
2258		3156
2259	cf::client->attach (	3157	cf::client->attach (
2260	on_destroy => sub {	3158	on_client_destroy => sub {
2261	my ($ns) = @_;	3159	my ($ns) = @_;
2262		3160
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3161	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3162	},
2265	);	3163	);
…		…
2280	our $safe = new Safe "safe";	3178	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3179	our $safe_hole = new Safe::Hole;
2282		3180
2283	$SIG{FPE} = 'IGNORE';	3181	$SIG{FPE} = 'IGNORE';
2284		3182
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3183	$safe->permit_only (Opcode::opset qw(
		3184	:base_core :base_mem :base_orig :base_math :base_loop
		3185	grepstart grepwhile mapstart mapwhile
		3186	sort time
		3187	));
2286		3188
2287	# here we export the classes and methods available to script code	3189	# here we export the classes and methods available to script code
2288		3190
2289	=pod	3191	=pod
2290		3192
2291	The following functions and methods are available within a safe environment:	3193	The following functions and methods are available within a safe environment:
2292		3194
2293	cf::object contr pay_amount pay_player map	3195	cf::object
		3196	contr pay_amount pay_player map x y force_find force_add destroy
		3197	insert remove name archname title slaying race decrease split
		3198	value
		3199
2294	cf::object::player player	3200	cf::object::player
2295	cf::player peaceful	3201	player
2296	cf::map trigger	3202
		3203	cf::player
		3204	peaceful
		3205
		3206	cf::map
		3207	trigger
2297		3208
2298	=cut	3209	=cut
2299		3210
2300	for (	3211	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3212	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3213	insert remove inv nrof name archname title slaying race
		3214	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3215	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3216	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3217	["cf::map" => qw(trigger)],
2305	) {	3218	) {
2306	no strict 'refs';	3219	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3220	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3221	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2326		3239
2327	my $qcode = $code;	3240	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3241	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3242	$qcode =~ s/\n/\\n/g;
2330		3243
		3244	%vars = (_dummy => 0) unless %vars;
		3245
		3246	my @res;
2331	local $_;	3247	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3248
2334	my $eval =	3249	my $eval =
2335	"do {\n"	3250	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3251	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3252	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3253	. $code
2339	. "\n}"	3254	. "\n}"
2340	;	3255	;
2341		3256
		3257	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3258	sub_generation_inc;
		3259	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3260	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3261	sub_generation_inc;
		3262	} else {
		3263	local @cf::_safe_eval_args = values %vars;
		3264	@res = wantarray ? eval eval : scalar eval $eval;
		3265	}
2345		3266
2346	if ($@) {	3267	if ($@) {
2347	warn "$@";	3268	warn "$@";
2348	warn "while executing safe code '$code'\n";	3269	warn "while executing safe code '$code'\n";
2349	warn "with arguments " . (join " ", %vars) . "\n";	3270	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2368	=cut	3289	=cut
2369		3290
2370	sub register_script_function {	3291	sub register_script_function {
2371	my ($fun, $cb) = @_;	3292	my ($fun, $cb) = @_;
2372		3293
2373	no strict 'refs';	3294	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3295	*$fun = $safe_hole->wrap ($cb);
2375	}	3296	}
2376		3297
2377	=back	3298	=back
2378		3299
2379	=cut	3300	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3301
2553	#############################################################################	3302	#############################################################################
2554	# the server's init and main functions	3303	# the server's init and main functions
2555		3304
2556	sub load_facedata($) {	3305	sub load_facedata($) {
2557	my ($path) = @_;	3306	my ($path) = @_;
		3307
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
		3312	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3313
2559	warn "loading facedata from $path\n";	3314	warn "loading facedata from $path\n";
2560		3315
2561	my $facedata;	3316	my $facedata;
2562	0 < aio_load $path, $facedata	3317	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3320	$facedata = Coro::Storable::thaw $facedata;
2566		3321
2567	$facedata->{version} == 2	3322	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3323	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3324
		3325	# patch in the exptable
		3326	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3327	$facedata->{resource}{"res/exp_table"} = {
		3328	type => FT_RSRC,
		3329	data => $exp_table,
		3330	hash => (Digest::MD5::md5 $exp_table),
		3331	};
		3332	cf::cede_to_tick;
		3333
2570	{	3334	{
2571	my $faces = $facedata->{faceinfo};	3335	my $faces = $facedata->{faceinfo};
2572		3336
2573	while (my ($face, $info) = each %$faces) {	3337	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3338	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3339
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3340	cf::face::set_visibility $idx, $info->{visibility};
		3341	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3342	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3343	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3344
		3345	cf::cede_to_tick;
2579	}	3346	}
2580		3347
2581	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3349	next unless $info->{smooth};
		3350
2583	my $idx = cf::face::find $face	3351	my $idx = cf::face::find $face
2584	or next;	3352	or next;
		3353
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3354	if (my $smooth = cf::face::find $info->{smooth}) {
		3355	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3356	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3357	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3358	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3359	}
2590	Coro::cede;	3360
		3361	cf::cede_to_tick;
2591	}	3362	}
2592	}	3363	}
2593		3364
2594	{	3365	{
2595	my $anims = $facedata->{animinfo};	3366	my $anims = $facedata->{animinfo};
2596		3367
2597	while (my ($anim, $info) = each %$anims) {	3368	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3369	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3370	cf::cede_to_tick;
2600	}	3371	}
2601		3372
2602	cf::anim::invalidate_all; # d'oh	3373	cf::anim::invalidate_all; # d'oh
2603	}	3374	}
2604		3375
		3376	{
		3377	my $res = $facedata->{resource};
		3378
		3379	while (my ($name, $info) = each %$res) {
		3380	if (defined $info->{type}) {
		3381	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3382
		3383	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3384	cf::face::set_type $idx, $info->{type};
		3385	} else {
		3386	$RESOURCE{$name} = $info;
		3387	}
		3388
		3389	cf::cede_to_tick;
		3390	}
		3391	}
		3392
		3393	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3394
2605	1	3395	1
2606	}	3396	}
2607		3397
		3398	cf::global->attach (on_resource_update => sub {
		3399	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3400	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3401
		3402	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3403	my $sound = $soundconf->{compat}[$_]
		3404	or next;
		3405
		3406	my $face = cf::face::find "sound/$sound->[1]";
		3407	cf::sound::set $sound->[0] => $face;
		3408	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3409	}
		3410
		3411	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3412	my $face = cf::face::find "sound/$v";
		3413	cf::sound::set $k => $face;
		3414	}
		3415	}
		3416	});
		3417
		3418	register_exticmd fx_want => sub {
		3419	my ($ns, $want) = @_;
		3420
		3421	while (my ($k, $v) = each %$want) {
		3422	$ns->fx_want ($k, $v);
		3423	}
		3424	};
		3425
		3426	sub load_resource_file($) {
		3427	my $guard = lock_acquire "load_resource_file";
		3428
		3429	my $status = load_resource_file_ $_[0];
		3430	get_slot 0.1, 100;
		3431	cf::arch::commit_load;
		3432
		3433	$status
		3434	}
		3435
2608	sub reload_regions {	3436	sub reload_regions {
		3437	# HACK to clear player env face cache, we need some signal framework
		3438	# for this (global event?)
		3439	%ext::player_env::MUSIC_FACE_CACHE = ();
		3440
2609	load_resource_file "$MAPDIR/regions"	3441	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3442	or die "unable to load regions file\n";
		3443
		3444	for (cf::region::list) {
		3445	$_->{match} = qr/$_->{match}/
		3446	if exists $_->{match};
		3447	}
2611	}	3448	}
2612		3449
2613	sub reload_facedata {	3450	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3451	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3452	or die "unable to load facedata\n";
…		…
2626	}	3463	}
2627		3464
2628	sub reload_resources {	3465	sub reload_resources {
2629	warn "reloading resource files...\n";	3466	warn "reloading resource files...\n";
2630		3467
		3468	reload_facedata;
		3469	reload_archetypes;
2631	reload_regions;	3470	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3471	reload_treasures;
2636		3472
2637	warn "finished reloading resource files\n";	3473	warn "finished reloading resource files\n";
2638	}	3474	}
2639		3475
2640	sub init {	3476	sub reload_config {
2641	reload_resources;	3477	warn "reloading config file...\n";
2642	}
2643		3478
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3479	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3480	or return;
2647		3481
2648	local $/;	3482	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3483	*CFG = YAML::XS::Load scalar <$fh>;
2650		3484
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3485	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3486
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3487	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3488	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3492	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3493	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3494	};
2661	warn $@ if $@;	3495	warn $@ if $@;
2662	}	3496	}
		3497
		3498	warn "finished reloading resource files\n";
		3499	}
		3500
		3501	sub pidfile() {
		3502	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3503	or die "$PIDFILE: $!";
		3504	flock $fh, &Fcntl::LOCK_EX
		3505	or die "$PIDFILE: flock: $!";
		3506	$fh
		3507	}
		3508
		3509	# make sure only one server instance is running at any one time
		3510	sub atomic {
		3511	my $fh = pidfile;
		3512
		3513	my $pid = <$fh>;
		3514	kill 9, $pid if $pid > 0;
		3515
		3516	seek $fh, 0, 0;
		3517	print $fh $$;
		3518	}
		3519
		3520	sub main_loop {
		3521	warn "EV::loop starting\n";
		3522	if (1) {
		3523	EV::loop;
		3524	}
		3525	warn "EV::loop returned\n";
		3526	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3527	}
2664		3528
2665	sub main {	3529	sub main {
		3530	cf::init_globals; # initialise logging
		3531
		3532	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3533	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3534	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3535	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3536
		3537	cf::init_experience;
		3538	cf::init_anim;
		3539	cf::init_attackmess;
		3540	cf::init_dynamic;
		3541
		3542	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3543
2666	# we must not ever block the main coroutine	3544	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3545	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3546	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3547	(async {
2670	Event::one_event;	3548	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3549	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3550	})->prio (Coro::PRIO_MAX);
2672	};	3551	};
2673		3552
2674	cfg_load;	3553	evthread_start IO::AIO::poll_fileno;
		3554
		3555	cf::sync_job {
		3556	cf::load_settings;
		3557	cf::load_materials;
		3558
		3559	reload_resources;
		3560	reload_config;
2675	db_init;	3561	db_init;
		3562
		3563	cf::init_uuid;
		3564	cf::init_signals;
		3565	cf::init_skills;
		3566
		3567	cf::init_beforeplay;
		3568
		3569	atomic;
		3570
2676	load_extensions;	3571	load_extensions;
2677		3572
2678	$TICK_WATCHER->start;	3573	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3574
		3575	# no (long-running) fork's whatsoever before this point(!)
		3576	use POSIX ();
		3577	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3578
		3579	(pop @POST_INIT)->(0) while @POST_INIT;
		3580	};
		3581
		3582	main_loop;
2680	}	3583	}
2681		3584
2682	#############################################################################	3585	#############################################################################
2683	# initialisation and cleanup	3586	# initialisation and cleanup
2684		3587
2685	# install some emergency cleanup handlers	3588	# install some emergency cleanup handlers
2686	BEGIN {	3589	BEGIN {
		3590	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3591	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3592	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3593	cf::cleanup "SIG$signal";
2695	},
2696	);	3594	};
		3595	}
		3596	}
		3597
		3598	sub write_runtime_sync {
		3599	my $t0 = AE::time;
		3600
		3601	# first touch the runtime file to show we are still running:
		3602	# the fsync below can take a very very long time.
		3603
		3604	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3605
		3606	my $guard = cf::lock_acquire "write_runtime";
		3607
		3608	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3609	or return;
		3610
		3611	my $value = $cf::RUNTIME + 90 + 10;
		3612	# 10 is the runtime save interval, for a monotonic clock
		3613	# 60 allows for the watchdog to kill the server.
		3614
		3615	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3616	and return;
		3617
		3618	# always fsync - this file is important
		3619	aio_fsync $fh
		3620	and return;
		3621
		3622	# touch it again to show we are up-to-date
		3623	aio_utime $fh, undef, undef;
		3624
		3625	close $fh
		3626	or return;
		3627
		3628	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3629	and return;
		3630
		3631	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3632
2697	}	3633	1
		3634	}
		3635
		3636	our $uuid_lock;
		3637	our $uuid_skip;
		3638
		3639	sub write_uuid_sync($) {
		3640	$uuid_skip ||= $_[0];
		3641
		3642	return if $uuid_lock;
		3643	local $uuid_lock = 1;
		3644
		3645	my $uuid = "$LOCALDIR/uuid";
		3646
		3647	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3648	or return;
		3649
		3650	my $value = uuid_seq uuid_cur;
		3651
		3652	unless ($value) {
		3653	warn "cowardly refusing to write zero uuid value!\n";
		3654	return;
		3655	}
		3656
		3657	my $value = uuid_str $value + $uuid_skip;
		3658	$uuid_skip = 0;
		3659
		3660	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3661	and return;
		3662
		3663	# always fsync - this file is important
		3664	aio_fsync $fh
		3665	and return;
		3666
		3667	close $fh
		3668	or return;
		3669
		3670	aio_rename "$uuid~", $uuid
		3671	and return;
		3672
		3673	warn "uuid file written ($value).\n";
		3674
		3675	1
		3676
		3677	}
		3678
		3679	sub write_uuid($$) {
		3680	my ($skip, $sync) = @_;
		3681
		3682	$sync ? write_uuid_sync $skip
		3683	: async { write_uuid_sync $skip };
2698	}	3684	}
2699		3685
2700	sub emergency_save() {	3686	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3687	my $freeze_guard = cf::freeze_mainloop;
2702		3688
2703	warn "enter emergency perl save\n";	3689	warn "emergency_perl_save: enter\n";
2704		3690
2705	cf::sync_job {	3691	cf::sync_job {
		3692	# this is a trade-off: we want to be very quick here, so
		3693	# save all maps without fsync, and later call a global sync
		3694	# (which in turn might be very very slow)
		3695	local $USE_FSYNC = 0;
		3696
2706	# use a peculiar iteration method to avoid tripping on perl	3697	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3698	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3699	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3700	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3701	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3702	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3703	$pl->valid or next;
		3704	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3705	$pl->save;
2714	}	3706	}
2715	warn "end emergency player save\n";	3707	warn "emergency_perl_save: end player save\n";
2716		3708
2717	warn "begin emergency map save\n";	3709	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3710	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3711	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3712	$map->valid or next;
2721	$map->save;	3713	$map->save;
2722	}	3714	}
2723	warn "end emergency map save\n";	3715	warn "emergency_perl_save: end map save\n";
2724		3716
2725	warn "begin emergency database checkpoint\n";	3717	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3718	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3719	warn "emergency_perl_save: end database checkpoint\n";
		3720
		3721	warn "emergency_perl_save: begin write uuid\n";
		3722	write_uuid_sync 1;
		3723	warn "emergency_perl_save: end write uuid\n";
2728	};	3724	};
2729		3725
		3726	warn "emergency_perl_save: starting sync()\n";
		3727	IO::AIO::aio_sync sub {
		3728	warn "emergency_perl_save: finished sync()\n";
		3729	};
		3730
2730	warn "leave emergency perl save\n";	3731	warn "emergency_perl_save: leave\n";
2731	}	3732	}
2732		3733
2733	sub post_cleanup {	3734	sub post_cleanup {
2734	my ($make_core) = @_;	3735	my ($make_core) = @_;
2735		3736
2736	warn Carp::longmess "post_cleanup backtrace"	3737	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3738	if $make_core;
		3739
		3740	my $fh = pidfile;
		3741	unlink $PIDFILE if <$fh> == $$;
		3742	}
		3743
		3744	# a safer delete_package, copied from Symbol
		3745	sub clear_package($) {
		3746	my $pkg = shift;
		3747
		3748	# expand to full symbol table name if needed
		3749	unless ($pkg =~ /^main::.*::$/) {
		3750	$pkg = "main$pkg" if $pkg =~ /^::/;
		3751	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3752	$pkg .= '::' unless $pkg =~ /::$/;
		3753	}
		3754
		3755	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3756	my $stem_symtab = *{$stem}{HASH};
		3757
		3758	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3759	or return;
		3760
		3761	# clear all symbols
		3762	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3763	for my $name (keys %$leaf_symtab) {
		3764	_gv_clear *{"$pkg$name"};
		3765	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3766	}
		3767	warn "cleared package $pkg\n";#d#
2738	}	3768	}
2739		3769
2740	sub do_reload_perl() {	3770	sub do_reload_perl() {
2741	# can/must only be called in main	3771	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3773	warn "can only reload from main coroutine";
2744	return;	3774	return;
2745	}	3775	}
2746		3776
		3777	return if $RELOAD++;
		3778
		3779	my $t1 = AE::time;
		3780
		3781	while ($RELOAD) {
2747	warn "reloading...";	3782	warn "reloading...";
2748		3783
2749	warn "entering sync_job";	3784	warn "entering sync_job";
2750		3785
2751	cf::sync_job {	3786	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3787	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3788	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3789	cf::write_runtime_sync; # external watchdog should not bark
2755		3790
2756	warn "syncing database to disk";	3791	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3792	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3793
2759	# if anything goes wrong in here, we should simply crash as we already saved	3794	# if anything goes wrong in here, we should simply crash as we already saved
2760		3795
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3796	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3797	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3798	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3799	}
2797		3800
2798	warn "... nuking $pkg";	3801	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3802	$_->cancel for values %EXT_CORO;
2800	}	3803	%EXT_CORO = ();
2801		3804
2802	warn "unloading all perl modules loaded from $LIBDIR";	3805	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3806	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3807
		3808	warn "removing ext/exti commands";
		3809	%EXTCMD = ();
		3810	%EXTICMD = ();
		3811
		3812	warn "unloading/nuking all extensions";
		3813	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3814	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3815
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3816	if (my $cb = $pkg->can ("unload")) {
		3817	eval {
2813	$cb->();	3818	$cb->($pkg);
		3819	1
		3820	} or warn "$pkg unloaded, but with errors: $@";
		3821	}
		3822
		3823	warn "... clearing $pkg";
		3824	clear_package $pkg;
2814	}	3825	}
2815		3826
2816	Symbol::delete_package $k;	3827	warn "unloading all perl modules loaded from $LIBDIR";
		3828	while (my ($k, $v) = each %INC) {
		3829	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3830
		3831	warn "... unloading $k";
		3832	delete $INC{$k};
		3833
		3834	$k =~ s/\.pm$//;
		3835	$k =~ s/\//::/g;
		3836
		3837	if (my $cb = $k->can ("unload_module")) {
		3838	$cb->();
		3839	}
		3840
		3841	clear_package $k;
2817	}	3842	}
2818		3843
2819	warn "getting rid of safe::, as good as possible";	3844	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3845	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3846	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3847
2823	warn "unloading cf.pm \"a bit\"";	3848	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3849	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3850	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3851
2827	# don't, removes xs symbols, too,	3852	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3853	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3854	#clear_package __PACKAGE__;
2830		3855
2831	warn "unload completed, starting to reload now";	3856	warn "unload completed, starting to reload now";
2832		3857
2833	warn "reloading cf.pm";	3858	warn "reloading cf.pm";
2834	require cf;	3859	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3860	cf::_connect_to_perl_1;
2836		3861
2837	warn "loading config and database again";	3862	warn "loading config and database again";
2838	cf::cfg_load;	3863	cf::reload_config;
2839		3864
2840	warn "loading extensions";	3865	warn "loading extensions";
2841	cf::load_extensions;	3866	cf::load_extensions;
2842		3867
		3868	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3869	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3870	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3871	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3872	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3873	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3874	reattach $_ for values %PLAYER;
		3875	}
2849		3876
		3877	warn "running post_init jobs";
		3878	(pop @POST_INIT)->(1) while @POST_INIT;
		3879
2850	warn "leaving sync_job";	3880	warn "leaving sync_job";
2851		3881
2852	1	3882	1
2853	} or do {	3883	} or do {
2854	warn $@;	3884	warn $@;
2855	warn "error while reloading, exiting.";	3885	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3886	};
2858		3887
2859	warn "reloaded";	3888	warn "reloaded";
		3889	--$RELOAD;
		3890	}
		3891
		3892	$t1 = AE::time - $t1;
		3893	warn "reload completed in ${t1}s\n";
2860	};	3894	};
2861		3895
2862	our $RELOAD_WATCHER; # used only during reload	3896	our $RELOAD_WATCHER; # used only during reload
2863		3897
2864	sub reload_perl() {	3898	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3899	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3900	# coro crashes during coro_state_free->destroy here.
2867		3901
2868	$RELOAD_WATCHER ||= Event->timer (	3902	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3903	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3904
2871	data => WF_AUTOCANCEL,	3905	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3906	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3907	undef $RELOAD_WATCHER;
2875	},	3908	};
2876	);	3909	};
2877	}	3910	}
2878		3911
2879	register_command "reload" => sub {	3912	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3913	my ($who, $arg) = @_;
2881		3914
2882	if ($who->flag (FLAG_WIZ)) {	3915	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3916	$who->message ("reloading server.");
		3917	async {
		3918	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3919	reload_perl;
		3920	};
2885	}	3921	}
2886	};	3922	};
2887		3923
2888	unshift @INC, $LIBDIR;	3924	unshift @INC, $LIBDIR;
2889		3925
…		…
2891		3927
2892	our @WAIT_FOR_TICK;	3928	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3929	our @WAIT_FOR_TICK_BEGIN;
2894		3930
2895	sub wait_for_tick {	3931	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3932	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3933
2899	my $signal = new Coro::Signal;	3934	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3935	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3936	$signal->wait;
2902	}	3937	}
2903		3938
2904	sub wait_for_tick_begin {	3939	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3940	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3941
2908	my $signal = new Coro::Signal;	3942	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3943	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3944	$signal->wait;
2911	}	3945	}
2912		3946
2913	my $min = 1e6;#d#	3947	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3948	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3949	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3950	unless ++$bug_warning > 10;
2925	return;	3951	return;
2926	}	3952	}
2927		3953
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3954	cf::server_tick; # one server iteration
2931		3955
2932	0 && sync_job {#d#	3956	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3957
2938	$map->width (50);	3958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3959	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3960	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3961	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3962	write_runtime_sync
2943		3963	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3964	};
		3965	}
2954		3966
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3967	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3968	$sig->send;
2971	}	3969	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3970	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3971	$sig->send;
2974	}	3972	}
2975		3973
2976	$NOW = Event::time;	3974	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3975	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3976
2987	_post_tick;	3977	if (0) {
2988		3978	if ($NEXT_TICK) {
2989		3979	my $jitter = $TICK_START - $NEXT_TICK;
		3980	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3981	warn "jitter $JITTER\n";#d#
		3982	}
2990	},	3983	}
2991	);	3984	}
2992		3985
2993	{	3986	{
2994	BDB::max_poll_time $TICK * 0.1;	3987	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3988
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3989	BDB::min_parallel 16;
3004		3990	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3991	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3992
3020	unless ($DB_ENV) {	3993	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3994	$DB_ENV = BDB::db_env_create;
		3995	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3996	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3997	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3998	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3999	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4000
3023	cf::sync_job {	4001	cf::sync_job {
3024	eval {	4002	eval {
3025	BDB::db_env_open	4003	BDB::db_env_open
3026	$DB_ENV,	4004	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4006	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4007	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4008	0666;
3031		4009
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4010	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4011	};
3037		4012
3038	cf::cleanup "db_env_open(db): $@" if $@;	4013	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4014	};
3040	}	4015	}
		4016
		4017	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4018	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4019	};
		4020	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4021	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4022	};
		4023	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4024	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4025	};
3041	}	4026	}
3042		4027
3043	{	4028	{
		4029	# configure IO::AIO
		4030
3044	IO::AIO::min_parallel 8;	4031	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4032	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4033	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4034	}
3057		4035
3058	my $_log_backtrace;	4036	my $_log_backtrace;
3059		4037
3060	sub _log_backtrace {	4038	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4041	$msg =~ s/\n//;
3064		4042
3065	# limit the # of concurrent backtraces	4043	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4044	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4045	++$_log_backtrace;
		4046	my $perl_bt = Carp::longmess $msg;
3068	async {	4047	async {
		4048	$Coro::current->{desc} = "abt $msg";
		4049
3069	my @bt = fork_call {	4050	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4051	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4052	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4053	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4054	or die "addr2line: $!";
…		…
3081	}	4062	}
3082		4063
3083	@funcs	4064	@funcs
3084	};	4065	};
3085		4066
3086	LOG llevInfo, "[ABT] $msg\n";	4067	LOG llevInfo, "[ABT] $perl_bt\n";
		4068	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4069	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4070	--$_log_backtrace;
3089	};	4071	};
3090	} else {	4072	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4073	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4074	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4075	}
3094	}	4076	}
3095		4077
3096	# load additional modules	4078	# load additional modules
3097	use cf::pod;	4079	require "cf/$_.pm" for @EXTRA_MODULES;
		4080	cf::_connect_to_perl_2;
3098		4081
3099	END { cf::emergency_save }	4082	END { cf::emergency_save }
3100		4083
3101	1	4084	1
3102		4085

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