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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		282
194	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	284	# within the Safe compartment.
196	for my $pkg (qw(	285	for my $pkg (qw(
197	cf::global cf::attachable	286	cf::global cf::attachable
198	cf::object cf::object::player	287	cf::object cf::object::player
199	cf::client cf::player	288	cf::client cf::player
200	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
201	cf::map cf::party cf::region	291	cf::party cf::region
202	)) {	292	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	294	}
206		295
207	$Event::DIED = sub {	296	$EV::DIED = sub {
208	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
209	};	298	};
		299
		300	#############################################################################
210		301
211	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
212		303
213	=over 4	304	=over 4
214		305
…		…
233	$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;
234	$d	325	$d
235	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
236	}	327	}
237		328
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
241		330
242	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
243		332
244	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
245		334
246	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	358	=item cf::lock_wait $string
249		359
250	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
251		361
252	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
253		363
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
257	returned.	367	returned.
258		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
259	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
260	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
261		374
262	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
263		376
264	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.
265		378
266	=cut	379	=cut
267		380
268	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
269		382
270	sub lock_wait($) {	383	sub lock_wait($) {
271	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	385	}
279		386
280	sub lock_acquire($) {	387	sub lock_acquire($) {
281	my ($key) = @_;	388	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	389	}
293		390
294	sub lock_active($) {	391	sub lock_active($) {
295	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	393	}
299		394
300	sub freeze_mainloop {	395	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
302		397
303	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
304	$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 time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
305	};	465	}
306	$TICK_WATCHER->stop;	466	};
307	$guard	467
		468	sub get_slot($;$$) {
		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	$sig->wait;
308	}	481	}
309		482
310	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
311		484
312	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		490
318	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
319		492
320	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
321		494
322	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
325		499
326	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
329	fast or be very important.	503	fast or be very important.
…		…
332		506
333	sub sync_job(&) {	507	sub sync_job(&) {
334	my ($job) = @_;	508	my ($job) = @_;
335		509
336	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	511	my $time = AE::time;
338		512
339	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
341		515
342	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	517
344	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
345		519
346	my $busy = 1;	520	my $busy = 1;
347	my @res;	521	my @res;
348		522
349	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	525	@res = eval { $job->() };
351	warn $@ if $@;	526	warn $@ if $@;
352	undef $busy;	527	undef $busy;
353	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
354		529
355	while ($busy) {	530	while ($busy) {
356	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
357	}	535	}
		536	}
358		537
359	$time = Event::time - $time;	538	my $time = AE::time - $time;
360		539
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
365		541
366	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
367	} else {	543	} else {
368	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
369		545
…		…
389	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
390		566
391	$coro	567	$coro
392	}	568	}
393		569
394	sub write_runtime {	570	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		571
397	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
398	# 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.
399		576
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	577	=cut
401	utime undef, undef, $fh;	578
		579	sub fork_call(&@) {
		580	my ($cb, @args) = @_;
		581
		582	# we seemingly have to make a local copy of the whole thing,
		583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
		585
		586	my @res = Coro::Util::fork_eval {
		587	reset_signals;
		588	&$cb
		589	}, @args;
		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
		595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
402	}	659	};
		660	cf::cleanup "db_open(db): $@" if $@;
403		661
404	my $guard = cf::lock_acquire "write_runtime";	662	$db
		663	}
405		664
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	665	our $DB;
407	or return;
408		666
409	my $value = $cf::RUNTIME + 90 + 10;	667	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	668	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	669	$DB ||= db_table "db";
		670	};
		671	}
412		672
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	673	sub db_get($$) {
414	and return;	674	my $key = "$_[0]/$_[1]";
415		675
416	# always fsync - this file is important	676	cf::sync_job {
417	aio_fsync $fh	677	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		678
420	# touch it again to show we are up-to-date	679	$! ? ()
421	utime undef, undef, $fh;	680	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
432	}	757	}
433		758
434	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
435		760
436	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		773
449	#############################################################################	774	#############################################################################
450		775
451	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
452		777
453	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
456		781
457	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	784	Deliantra).
460		785
461	=over 4	786	=over 4
462		787
463	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
464		789
…		…
508	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
509		834
510	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
512		837
513	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
515		840
516	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
517		842
518	=over 4	843	=over 4
…		…
666	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
667	}	992	}
668		993
669	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
670	} else {	995	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	997	}
673		998
674	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
675	}	1000	}
676		1001
…		…
716	";	1041	";
717	die if $@;	1042	die if $@;
718	}	1043	}
719		1044
720	our $override;	1045	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1047
723	sub override {	1048	sub override {
724	$override = 1;	1049	$override = 1;
725	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
726	}	1051	}
727		1052
728	sub do_invoke {	1053	sub do_invoke {
729	my $event = shift;	1054	my $event = shift;
730	my $callbacks = shift;	1055	my $callbacks = shift;
731		1056
732	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
733		1058
734	local $override;	1059	local $override;
735		1060
736	for (@$callbacks) {	1061	for (@$callbacks) {
737	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
746	}	1071	}
747		1072
748	0	1073	0
749	}	1074	}
750		1075
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1077
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1079
755	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
756		1081
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1085
761	=back	1086	=back
762		1087
763	=cut	1088	=cut
764		1089
765	#############################################################################	1090	#############################################################################
766	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
767		1134
768	sub reattach {	1135	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1137	my ($obj) = @_;
771		1138
		1139	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1141
774	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
775		1143
776	@$registry = ();	1144	@$registry = ();
777		1145
…		…
792	cf::attachable->attach (	1160	cf::attachable->attach (
793	prio => -1000000,	1161	prio => -1000000,
794	on_instantiate => sub {	1162	on_instantiate => sub {
795	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
796		1164
797	$data = from_json $data;	1165	$data = decode_json $data;
798		1166
799	for (@$data) {	1167	for (@$data) {
800	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
801		1169
802	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1186	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
820		1188
821	sync_job {	1189	sync_job {
822	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
825		1194
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1202	aio_close $fh;
831		1203
832	if (@$objs) {	1204	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
838	close $fh;	1213	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
840	}	1215	}
841	} else {	1216	} else {
842	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
843	}	1218	}
844		1219
845	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1224	} else {
847	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
848	}	1226	}
849	} else {	1227	} else {
850	aio_unlink $filename;	1228	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
852	}	1230	}
853	}	1231	};
854	}	1232	}
855		1233
856	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
858		1236
…		…
870	or return;	1248	or return;
871		1249
872	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
874	or return;	1252	or return;
		1253
875	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
876	}	1256	}
877		1257
		1258	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
880	return ($data, $av);	1262	($data, $av)
881	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
882		1270
883	#############################################################################	1271	#############################################################################
884	# command handling &c	1272	# command handling &c
885		1273
886	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1288	}
901		1289
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1291
904	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
905		1297
906	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
907	called.	1299	called.
908		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
909	=cut	1312	=cut
910		1313
911	sub register_extcmd {	1314	sub register_extcmd {
912	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
913		1316
914	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
915	}	1318	}
916		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
917	cf::player->attach (	1328	cf::player->attach (
918	on_command => sub {	1329	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
920		1331
921	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
922	or return;	1333	or return;
923		1334
…		…
928	cf::override;	1339	cf::override;
929	},	1340	},
930	on_extcmd => sub {	1341	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
932		1343
933	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1345
935	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
941	} else {	1361	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1363	}
944		1364
945	cf::override;	1365	cf::override;
946	},	1366	},
947	);	1367	);
948		1368
		1369	# "readahead" all extensions
949	sub load_extension {	1370	sub cache_extensions {
950	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
951		1372
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1376	}
977	die $@;
978	}	1377	};
979		1378
980	push @EXTS, $pkg;	1379	$grp
981	}	1380	}
982		1381
983	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
984	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1387	next unless -r $path;
986	eval {	1388
987	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
988	1	1449	}
989	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
990	}	1460	};
991	}	1461	}
992		1462
993	#############################################################################	1463	#############################################################################
994		1464
		1465	=back
		1466
995	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
996		1468
997	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
998		1470
999	=cut	1471	=cut
1000		1472
1001	package cf::player;	1473	package cf::player;
1002		1474
1003	use Coro::AIO;	1475	use Coro::AIO;
1004		1476
1005	=head3 cf::player	1477	=head3 cf::player
1006		1478
1007	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1008		1494
1009	=item cf::player::find $login	1495	=item cf::player::find $login
1010		1496
1011	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1012		1498
…		…
1031		1517
1032	sub exists($) {	1518	sub exists($) {
1033	my ($login) = @_;	1519	my ($login) = @_;
1034		1520
1035	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1037	}	1523	}
1038		1524
1039	sub find($) {	1525	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1527	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1538
1053	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1056	}	1548	}
1057	}	1549	}
1058	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1059		1564
1060	sub save($) {	1565	sub save($) {
1061	my ($pl) = @_;	1566	my ($pl) = @_;
1062		1567
1063	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1069		1574
1070	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1072		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1073	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1074	Coro::cede;	1584	cf::cede_to_tick;
1075	}	1585	}
1076		1586
1077	sub new($) {	1587	sub new($) {
1078	my ($login) = @_;	1588	my ($login) = @_;
1079		1589
…		…
1085	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1086		1596
1087	$self	1597	$self
1088	}	1598	}
1089		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1090	=item $pl->quit_character	1610	=item $pl->quit_character
1091		1611
1092	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1094		1614
…		…
1098	my ($pl) = @_;	1618	my ($pl) = @_;
1099		1619
1100	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1101		1621
1102	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1624
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1109		1631
1110	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1669	or return [];
1148		1670
1149	my @logins;	1671	my @logins;
1150		1672
1151	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1155		1683
1156	utf8::decode $login;	1684	utf8::decode $login;
1157	push @logins, $login;	1685	push @logins, $login;
1158	}	1686	}
1159		1687
…		…
1186	}	1714	}
1187		1715
1188	\@paths	1716	\@paths
1189	}	1717	}
1190		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1191	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1192		1724
1193	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1194		1726
1195	=cut	1727	=cut
1196		1728
1197	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1199		1731
1200	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1733	}
1204		1734
1205	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1206		1736
1207	Sends an ext event to the client.	1737	Sends an ext event to the client.
1208		1738
1209	=cut	1739	=cut
1210		1740
1211	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1213		1743
1214	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1215	}	1745	}
1216		1746
1217	=head3 cf::region	1747	=head3 cf::region
1218		1748
1219	=over 4	1749	=over 4
…		…
1222		1752
1223	package cf::region;	1753	package cf::region;
1224		1754
1225	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1226		1756
1227	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1228		1758
1229	=cut	1759	=cut
1230		1760
1231	sub find_by_path($) {	1761	sub find_by_path($) {
1232	my ($path) = @_;	1762	my ($path) = @_;
1233		1763
1234	my ($match, $specificity);	1764	my ($match, $specificity);
1235		1765
1236	for my $region (list) {	1766	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1240	}	1770	}
1241	}	1771	}
1242		1772
…		…
1263	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1265		1795
1266	sub generate_random_map {	1796	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1268	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1802	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1306	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1307		1840
1308	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1309	local $self->{path};	1842	local $self->{path};
1310	local $self->{load_path};	1843	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1844
1314	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1315	}	1846	}
1316		1847
1317	sub normalise {	1848	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1365	return $self;	1896	return $self;
1366	}	1897	}
1367	}	1898	}
1368		1899
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1901	()
1371	}	1902	}
1372		1903
1373	sub init {	1904	sub init {
1374	my ($self) = @_;	1905	my ($self) = @_;
…		…
1396		1927
1397	# the temporary/swap location	1928	# the temporary/swap location
1398	sub save_path {	1929	sub save_path {
1399	my ($self) = @_;	1930	my ($self) = @_;
1400		1931
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1403	}	1934	}
1404		1935
1405	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1406	sub uniq_path {	1937	sub uniq_path {
1407	my ($self) = @_;	1938	my ($self) = @_;
1408		1939
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1411	}	1942	}
1412		1943
1413	# and all this just because we cannot iterate over	1944	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1945	my ($self) = @_;
1417		1946
1418	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1420	}	1950	}
1421		1951
1422	sub unlink_save {	1952	sub unlink_save {
1423	my ($self) = @_;	1953	my ($self) = @_;
1424		1954
…		…
1429		1959
1430	sub load_header_from($) {	1960	sub load_header_from($) {
1431	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1432		1962
1433	utf8::encode $path;	1963	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1439		1972
1440	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1441		1974
1442	1	1975	1
1443	}	1976	}
…		…
1482	$self->load_header_orig	2015	$self->load_header_orig
1483	or return;	2016	or return;
1484	$self->prepare_orig;	2017	$self->prepare_orig;
1485	}	2018	}
1486		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1487	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2024	unless $self->default_region;
1489		2025
1490	1	2026	1
1491	}	2027	}
…		…
1494	sub find {	2030	sub find {
1495	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1496		2032
1497	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1498		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2037
1501	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1504	or return;	2040	or return;
1505		2041
1506	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1507		2043
1508	$map->load_header	2044	$map->load_header
1509	or return;	2045	or return;
1510		2046
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1514	$map->reset;	2052	$map->reset;
1515	undef $guard;
1516	return find $path;	2053	return find $path;
1517	}	2054	}
1518		2055
1519	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1520	}	2057	}
1521	}	2058	}
1522		2059
1523	sub pre_load { }	2060	sub pre_load { }
1524	sub post_load { }	2061	#sub post_load { } # XS
1525		2062
1526	sub load {	2063	sub load {
1527	my ($self) = @_;	2064	my ($self) = @_;
1528		2065
1529	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1530		2067
1531	my $path = $self->{path};	2068	my $path = $self->{path};
1532		2069
1533	{	2070	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1535		2072
		2073	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2075
1538	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1539		2077
1540	$self->alloc;	2078	$self->alloc;
1541		2079
1542	$self->pre_load;	2080	$self->pre_load;
1543	Coro::cede;	2081	cf::cede_to_tick;
1544		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1546	or return;	2086	or return;
1547		2087
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1549	if delete $self->{load_original};	2089	if delete $self->{load_original};
1550		2090
1551	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2092	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2095	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1556	}	2099	}
1557	}	2100	}
1558		2101
1559	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1560	# now do the right thing for maps	2105	# now do the right thing for maps
1561	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2108	unless $self->difficulty;
1564	Coro::cede;	2109	cf::cede_to_tick;
1565		2110
1566	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2112	$self->decay_objects;
1568	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1569	$self->update_buttons;	2114	$self->update_buttons;
1570	Coro::cede;	2115	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2116	$self->activate;
1574	}	2117	}
1575		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2123	}
1578		2124
1579	$self->post_load;	2125	$self->post_load;
1580	}	2126	}
1581		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2131	sub customise_for {
1583	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1584		2133
1585	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2135	if $self->per_player;
1587		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1588	$self	2140	$self
1589	}	2141	}
1590		2142
1591	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2144	sub load_neighbours {
1593	my ($map) = @_;	2145	my ($map) = @_;
1594		2146
1595	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1596		2148
1597	for (0 .. 3) {	2149	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1599	or next;	2151	or next;
1600	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1601	or next;	2153	or next;
1602	$neigh->load;	2154	$neigh->load;
1603		2155
		2156	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2159	}
1607		2160
1608	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1610	or next;	2164	or next;
1611	$neigh->load;	2165	$neigh->load;
1612	}	2166	}
1613	}	2167	}
1614		2168
…		…
1619	}	2173	}
1620		2174
1621	sub do_load_sync {	2175	sub do_load_sync {
1622	my ($map) = @_;	2176	my ($map) = @_;
1623		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1624	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1625	}	2182	}
1626		2183
1627	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1629		2186
1630	sub find_async {	2187	sub find_async {
1631	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1632		2189
1633	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1634		2191
1635	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2194	}
1638		2195
1639	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1640	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1641	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2203	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2204	$map->load if $v;
		2205	}
1646		2206
1647	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1648	}	2208	}
1649	}	2209	}
1650	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1651	};	2211	};
1652	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2215	}
1656		2216
1657	sub save {	2217	sub save {
1658	my ($self) = @_;	2218	my ($self) = @_;
1659		2219
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2221
1662	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1663		2223
1664	return unless $self->dirty;	2224	return unless $self->dirty;
1665		2225
…		…
1671	return if $self->{deny_save};	2231	return if $self->{deny_save};
1672		2232
1673	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1674		2234
1675	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1677	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1678		2241
1679	if ($uniq) {	2242	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2245	} else {
…		…
1688	my ($self) = @_;	2251	my ($self) = @_;
1689		2252
1690	# save first because save cedes	2253	# save first because save cedes
1691	$self->save;	2254	$self->save;
1692		2255
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2257
1695	return if $self->players;	2258	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2260	return if $self->{deny_save};
1698		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2266	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2267	}
1702		2268
1703	sub reset_at {	2269	sub reset_at {
1704	my ($self) = @_;	2270	my ($self) = @_;
1705		2271
1706	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1709		2274
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2277
…		…
1723	my ($self) = @_;	2288	my ($self) = @_;
1724		2289
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2291
1727	return if $self->players;	2292	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2293
1730	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
1731		2295
1732	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1733		2297
1734	# need to save uniques path	2298	# need to save uniques path
1735	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2303	if $uniq;
1740	}	2304	}
1741		2305
1742	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1743		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2310	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2311
1748	$self->unlink_save;	2312	$self->unlink_save;
1749	$self->destroy;	2313	$self->destroy;
1750	}	2314	}
1751		2315
1752	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1753		2317
1754	sub nuke {	2318	sub nuke {
1755	my ($self) = @_;	2319	my ($self) = @_;
1756		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1757	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1758		2325
1759	$self->unlink_save;	2326	$self->unlink_save;
1760		2327
1761	bless $self, "cf::map";	2328	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2333
1767	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1768		2336
1769	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
		2338	}
		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
1770	}	2374	}
1771		2375
1772	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1773		2377
1774	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2379	instantiated unique items. May block.
1776		2380
1777	=cut	2381	=cut
1778		2382
1779	sub unique_maps() {	2383	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2384	[
1781	or return;	2385	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2386	utf8::decode $_;
1787	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2389	? ()
1790	push @paths, cf::map::normalise $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2392	]
1792
1793	\@paths
1794	}	2393	}
1795		2394
1796	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1797		2426
1798	=back	2427	=back
1799		2428
1800	=head3 cf::object	2429	=head3 cf::object
1801		2430
…		…
1805		2434
1806	=over 4	2435	=over 4
1807		2436
1808	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1809		2438
1810	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1811		2441
1812	=cut	2442	=cut
1813		2443
1814	sub inv_recursive_;	2444	sub inv_recursive_;
1815	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1818		2448
1819	sub inv_recursive {	2449	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1821	}	2451	}
1822		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1823	package cf;	2481	package cf;
1824		2482
1825	=back	2483	=back
1826		2484
1827	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1836		2494
1837	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1838		2510
1839	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2512	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1844		2516
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2518
1847	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1849	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1852	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1853	}	2544	}
1854		2545
1855	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1856		2547
1857	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1870		2561
1871	=item $player_object->enter_link	2562	=item $player_object->enter_link
1872		2563
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2565
1875	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
1877		2570
1878	Will never block.	2571	Will never block.
1879		2572
1880	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1881		2574
…		…
1904	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1905		2598
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2600
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1910		2603
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2605	}
1913		2606
1914	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1916		2611
1917	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1918		2613
1919	unless ($map) {	2614	unless ($map) {
1920	# restore original map position	2615	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1933		2628
1934	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1937		2632
1938	$map->load;	2633	$map->load;
1939	$map->load_diag;	2634	$map->load_neighbours;
1940		2635
1941	return unless $self->contr->active;	2636	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2637
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1946	}
1947		2640
1948	cf::player->attach (	2641	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2642	$self->activate_recursive;
1950	my ($pl) = @_;	2643	}
1951		2644
1952	# abort map switching before logout	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2646
1962	# try to abort aborted map switching on player login :)	2647	Moves the player to the given map-path and coordinates by first freezing
1963	# should happen only on crashes	2648	her, loading and preparing them map, calling the provided $check callback
1964	if ($pl->ob->{_link_pos}) {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1965	$pl->ob->enter_link;	2650	the new (success) or old (failed) map position. In either case, $done will
1966	(async {	2651	be called at the end of this process.
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2652
1980	=item $player_object->goto ($path, $x, $y)	2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
1981		2655
1982	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1983		2659
1984	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2665
1987	$self->enter_link;	2666	$self->enter_link;
1988		2667
1989	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
1990	my $map = eval {	2690	my $map = eval {
1991	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
		2695	$map = $check->($map) if $check && $map;
		2696	} else {
		2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
		2699
1993	$map	2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2706	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1998	})->prio (1);	2714	})->prio (1);
1999	}	2715	}
2000		2716
2001	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
2002		2718
…		…
2022	}	2738	}
2023		2739
2024	sub prepare_random_map {	2740	sub prepare_random_map {
2025	my ($exit) = @_;	2741	my ($exit) = @_;
2026		2742
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2745	# that depends on the exit object
2032		2746
2033	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2749	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2040	}	2756	}
2041		2757
2042	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2043		2759
2044	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2047		2763
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2766	undef $fh;
2051	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2052		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2055	}	2775	}
2056	}	2776	}
2057		2777
2058	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2060		2780
2061	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2062		2782
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2783	$self->enter_link;
2075		2784
2076	(async {	2785	(async {
2077	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2078	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2079	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2080		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2081	1;	2809	1
2082	}) {	2810	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2815
2088	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2107		2835
2108	utf8::encode $text;	2836	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2838	}
2111		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2112	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2113		3028
2114	Sends an exti event to the client.	3029	Sends an ext event to the client.
2115		3030
2116	=cut	3031	=cut
2117		3032
2118	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2120		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2123	}	3060	}
2124		3061
2125	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2126		3063
2127	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3067
2131	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3069	become reliable at some point in the future.
2133		3070
2134	=cut	3071	=cut
2135		3072
2136	sub cf::client::query {	3073	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3082	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3084
2148	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2150	}	3089	}
2151		3090
2152	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
2153	on_reply => sub {	3097	on_reply => sub {
2154	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2155		3099
2156	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2157	# get handled first	3101	# get handled first
…		…
2169	} else {	3113	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3115	}
2172	}	3116	}
2173	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
2174	);	3144	);
2175		3145
2176	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2177		3147
2178	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3164
2195	$coro	3165	$coro
2196	}	3166	}
2197		3167
2198	cf::client->attach (	3168	cf::client->attach (
2199	on_destroy => sub {	3169	on_client_destroy => sub {
2200	my ($ns) = @_;	3170	my ($ns) = @_;
2201		3171
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3173	},
2204	);	3174	);
…		…
2219	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2221		3191
2222	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2223		3193
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2225		3199
2226	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2227		3201
2228	=pod	3202	=pod
2229		3203
2230	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2231		3205
2232	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2233	cf::object::player player	3211	cf::object::player
2234	cf::player peaceful	3212	player
2235	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2236		3219
2237	=cut	3220	=cut
2238		3221
2239	for (	3222	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2244	) {	3229	) {
2245	no strict 'refs';	3230	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2265		3250
2266	my $qcode = $code;	3251	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2269		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2270	local $_;	3258	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3259
2273	my $eval =	3260	my $eval =
2274	"do {\n"	3261	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3264	. $code
2278	. "\n}"	3265	. "\n}"
2279	;	3266	;
2280		3267
		3268	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2284		3277
2285	if ($@) {	3278	if ($@) {
2286	warn "$@";	3279	warn "$@";
2287	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2288	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2307	=cut	3300	=cut
2308		3301
2309	sub register_script_function {	3302	sub register_script_function {
2310	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2311		3304
2312	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2314	}	3307	}
2315		3308
2316	=back	3309	=back
2317		3310
2318	=cut	3311	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3312
2494	#############################################################################	3313	#############################################################################
2495	# the server's init and main functions	3314	# the server's init and main functions
2496		3315
2497	sub load_facedata($) {	3316	sub load_facedata($) {
2498	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3324
2500	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2501		3326
2502	my $facedata;	3327	my $facedata;
2503	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2507		3332
2508	$facedata->{version} == 2	3333	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2511	{	3345	{
2512	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2513		3347
2514	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3355
		3356	cf::cede_to_tick;
2520	}	3357	}
2521		3358
2522	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2524	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2525	or next;	3363	or next;
		3364
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3368	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3370	}
2531	Coro::cede;	3371
		3372	cf::cede_to_tick;
2532	}	3373	}
2533	}	3374	}
2534		3375
2535	{	3376	{
2536	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2537		3378
2538	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3381	cf::cede_to_tick;
2541	}	3382	}
2542		3383
2543	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2544	}	3385	}
2545		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2546	1	3406	1
2547	}	3407	}
2548		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2549	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2550	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
2552	}	3459	}
2553		3460
2554	sub reload_facedata {	3461	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2567	}	3474	}
2568		3475
2569	sub reload_resources {	3476	sub reload_resources {
2570	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2571		3478
2572	reload_regions;
2573	reload_facedata;	3479	reload_facedata;
2574	reload_archetypes;	3480	reload_archetypes;
		3481	reload_regions;
2575	reload_treasures;	3482	reload_treasures;
2576		3483
2577	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2578	}	3485	}
2579		3486
2580	sub init {	3487	sub reload_config {
2581	reload_resources;	3488	warn "reloading config file...\n";
2582	}
2583		3489
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3491	or return;
2587		3492
2588	local $/;	3493	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2590		3495
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3497
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2599	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2600	};	3505	};
2601	warn $@ if $@;	3506	warn $@ if $@;
2602	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2603	}	3538	}
2604		3539
2605	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2606	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3553	(async {
2610	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
2612	};	3557	};
2613		3558
2614	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2615	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2616	load_extensions;	3582	load_extensions;
2617		3583
2618	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2620	}	3594	}
2621		3595
2622	#############################################################################	3596	#############################################################################
2623	# initialisation and cleanup	3597	# initialisation and cleanup
2624		3598
2625	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2626	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2635	},
2636	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2637	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2638	}	3695	}
2639		3696
2640	sub emergency_save() {	3697	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2642		3699
2643	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2644		3701
2645	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2646	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3716	$pl->save;
2654	}	3717	}
2655	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2656		3719
2657	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3723	$map->valid or next;
2661	$map->save;	3724	$map->save;
2662	}	3725	}
2663	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2664		3727
2665	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2668	};	3735	};
2669		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2670	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2671	}	3743	}
2672		3744
2673	sub post_cleanup {	3745	sub post_cleanup {
2674	my ($make_core) = @_;	3746	my ($make_core) = @_;
2675		3747
2676	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
2678	}	3779	}
2679		3780
2680	sub do_reload_perl() {	3781	sub do_reload_perl() {
2681	# can/must only be called in main	3782	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2684	return;	3785	return;
2685	}	3786	}
2686		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2687	warn "reloading...";	3793	warn "reloading...";
2688		3794
2689	warn "entering sync_job";	3795	warn "entering sync_job";
2690		3796
2691	cf::sync_job {	3797	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3799	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2695		3801
2696	warn "syncing database to disk";	3802	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3804
2699	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2700		3806
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3810	}
2737		3811
2738	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
2740	}	3814	%EXT_CORO = ();
2741		3815
2742	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3825	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3826
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2753	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2754	}	3836	}
2755		3837
2756	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2757	}	3853	}
2758		3854
2759	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3858
2763	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3862
2767	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3864	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2770		3866
2771	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
2772		3868
2773	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2774	require cf;	3870	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2776		3872
2777	warn "loading config and database again";	3873	warn "loading config and database again";
2778	cf::cfg_load;	3874	cf::reload_config;
2779		3875
2780	warn "loading extensions";	3876	warn "loading extensions";
2781	cf::load_extensions;	3877	cf::load_extensions;
2782		3878
		3879	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
2789		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
2790	warn "leaving sync_job";	3891	warn "leaving sync_job";
2791		3892
2792	1	3893	1
2793	} or do {	3894	} or do {
2794	warn $@;	3895	warn $@;
2795	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3897	};
2798		3898
2799	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
2800	};	3905	};
2801		3906
2802	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
2803		3908
2804	sub reload_perl() {	3909	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
2807		3912
2808	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3915
2811	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3917	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
2815	},	3919	};
2816	);	3920	};
2817	}	3921	}
2818		3922
2819	register_command "reload" => sub {	3923	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2821		3925
2822	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3930	reload_perl;
		3931	};
2825	}	3932	}
2826	};	3933	};
2827		3934
2828	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2829		3936
…		…
2831		3938
2832	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
2834		3941
2835	sub wait_for_tick {	3942	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3944
2839	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3947	$signal->wait;
2842	}	3948	}
2843		3949
2844	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		3952
2848	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3955	$signal->wait;
2851	}	3956	}
2852		3957
2853	$TICK_WATCHER = Event->timer (	3958	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
2863	return;	3962	return;
2864	}	3963	}
2865		3964
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2869		3966
2870	$RUNTIME += $TICK;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		3968
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3971	Coro::async_pool {
		3972	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3973	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3975	};
		3976	}
2880		3977
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3979	$sig->send;
2886	}	3980	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3982	$sig->send;
2889	}	3983	}
2890		3984
2891	$NOW = Event::time;	3985	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3987
2902	_post_tick;	3988	if (0) {
2903		3989	if ($NEXT_TICK) {
2904		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
2905	},	3994	}
2906	);	3995	}
2907		3996
2908	{	3997	{
2909	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3999
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
2919		4001	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4003
2935	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4011
2938	cf::sync_job {	4012	cf::sync_job {
2939	eval {	4013	eval {
2940	BDB::db_env_open	4014	BDB::db_env_open
2941	$DB_ENV,	4015	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4019	0666;
2946		4020
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4022	};
2952		4023
2953	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4025	};
2955	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
2956	}	4037	}
2957		4038
2958	{	4039	{
		4040	# configure IO::AIO
		4041
2959	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4045	}
2972		4046
2973	my $_log_backtrace;	4047	my $_log_backtrace;
2974		4048
2975	sub _log_backtrace {	4049	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
2979		4053
2980	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
2983	async {	4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
2984	my @bt = fork_call {	4061	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4065	or die "addr2line: $!";
…		…
2996	}	4073	}
2997		4074
2998	@funcs	4075	@funcs
2999	};	4076	};
3000		4077
3001	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4081	--$_log_backtrace;
3004	};	4082	};
3005	} else {	4083	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	4086	}
3009	}	4087	}
3010		4088
3011	# load additional modules	4089	# load additional modules
3012	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
3013		4092
3014	END { cf::emergency_save }	4093	END { cf::emergency_save }
3015		4094
3016	1	4095	1
3017		4096

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