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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.526 by root, Wed Apr 21 05:48:35 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 Storable;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	118	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
67		127
68	our %CFG;	128	our %CFG;
69		129
70	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
72		133
73	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		137
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		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 $REALLY_UNLOOP; # never set to true, please :)
		150
85	binmode STDOUT;	151	binmode STDOUT;
86	binmode STDERR;	152	binmode STDERR;
87		153
88	# read virtual server time, if available	154	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
93	}	159	}
94		160
95	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	162
97	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		165
102	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
103		167
104	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		184
106	#############################################################################	185	#############################################################################
107		186
108	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
109		188
…		…
116	=item $cf::RUNTIME	195	=item $cf::RUNTIME
117		196
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	198	every server tick.
120		199
121	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		203
123	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
125		208
126	=item $cf::NOW	209	=item $cf::NOW
127		210
128	The time of the last (current) server tick.	211	The time of the last (current) server tick.
129		212
130	=item $cf::TICK	213	=item $cf::TICK
131		214
132	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
133		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
134	=item %cf::CFG	227	=item %cf::CFG
135		228
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	230	from wherever your confdir points to.
138		231
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		233
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
145		249
146	=back	250	=back
147		251
148	=cut	252	=cut
149		253
150	BEGIN {	254	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	255	my $msg = join "", @_;
153	utf8::encode $msg;
154		256
155	$msg .= "\n"	257	$msg .= "\n"
156	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
157		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
158	LOG llevError, $msg;	262	LOG llevError, $msg;
159	};	263	};
160	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
161		278
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		286
169	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	288	# within the Safe compartment.
171	for my $pkg (qw(	289	for my $pkg (qw(
172	cf::global cf::attachable	290	cf::global cf::attachable
173	cf::object cf::object::player	291	cf::object cf::object::player
174	cf::client cf::player	292	cf::client cf::player
175	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
176	cf::map cf::party cf::region	295	cf::party cf::region
177	)) {	296	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	298	}
181		299
182	$Event::DIED = sub {	300	$EV::DIED = sub {
183	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
184	};	302	};
		303
		304	#############################################################################
185		305
186	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
187		307
188	=over 4	308	=over 4
189		309
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	329	$d
210	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
211	}	331	}
212		332
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
216		334
217	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
218		336
219	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
220		338
221	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
222		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
223	=item cf::lock_wait $string	362	=item cf::lock_wait $string
224		363
225	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
226		365
227	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
228		367
229	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
232	returned.	371	returned.
233		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
234	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
236		378
237	=cut	379	=item $locked = cf::lock_active $string
238		380
239	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
240		386
241	sub lock_wait($) {	387	sub lock_wait($) {
242	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	389	}
250		390
251	sub lock_acquire($) {	391	sub lock_acquire($) {
252	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
253		394
254	# wait, to be sure we are not locked	395	sub lock_active($) {
255	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	397	}
264		398
265	sub freeze_mainloop {	399	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
267		401
268	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
270	};	469	}
271	$TICK_WATCHER->stop;	470	};
272	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
273	}	485	}
274		486
275	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
276		488
277	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		494
283	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
284		496
285	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
286		498
287	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
290		503
291	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
294	fast or be very important.	507	fast or be very important.
…		…
297		510
298	sub sync_job(&) {	511	sub sync_job(&) {
299	my ($job) = @_;	512	my ($job) = @_;
300		513
301	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
302	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
304		519
305	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	521
307	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
308		523
309	my $busy = 1;	524	my $busy = 1;
310	my @res;	525	my @res;
311		526
312	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	529	@res = eval { $job->() };
314	warn $@ if $@;	530	warn $@ if $@;
315	undef $busy;	531	undef $busy;
316	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
317		533
318	while ($busy) {	534	while ($busy) {
319	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
320	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
321		545
322	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
323	} else {	547	} else {
324	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
325		549
…		…
345	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
346		570
347	$coro	571	$coro
348	}	572	}
349		573
350	sub write_runtime {	574	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		575
353	my $runtime = cf::localdir . "/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
354		580
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
356	or return;
357		582
358	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		585
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
363	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
364		589
365	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	591	reset_signals;
367	and return;	592	&$cb
		593	}, @args;
368		594
369	close $fh	595	wantarray ? @res : $res[-1]
370	or return;	596	}
371		597
372	aio_rename "$runtime~", $runtime	598	sub objinfo {
373	and return;
374
375	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
376	}	761	}
377		762
378	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
379		764
380	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		777
393	#############################################################################	778	#############################################################################
394		779
395	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
396		781
397	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
400		785
401	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	788	Deliantra).
404		789
405	=over 4	790	=over 4
406		791
407	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
408		793
…		…
452	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
453		838
454	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
456		841
457	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
459		844
460	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
461		846
462	=over 4	847	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
572		957
573	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		962
578	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	964	my $pkg = shift @arg;
580		965
581	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
611	}	996	}
612		997
613	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
614	} else {	999	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	1001	}
617		1002
618	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
619	}	1004	}
620		1005
…		…
622	if (ref $_[0]) {	1007	if (ref $_[0]) {
623	_object_attach @_;	1008	_object_attach @_;
624	} else {	1009	} else {
625	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
626	}	1011	}
		1012	_recalc_want;
627	};	1013	};
628		1014
629	# all those should be optimised	1015	# all those should be optimised
630	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1021	reattach ($obj);
636	} else {	1022	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
638	}	1024	}
		1025	_recalc_want;
639	};	1026	};
640		1027
641	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
643		1030
…		…
658	";	1045	";
659	die if $@;	1046	die if $@;
660	}	1047	}
661		1048
662	our $override;	1049	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1051
665	sub override {	1052	sub override {
666	$override = 1;	1053	$override = 1;
667	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
668	}	1055	}
669		1056
670	sub do_invoke {	1057	sub do_invoke {
671	my $event = shift;	1058	my $event = shift;
672	my $callbacks = shift;	1059	my $callbacks = shift;
673		1060
674	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
675		1062
676	local $override;	1063	local $override;
677		1064
678	for (@$callbacks) {	1065	for (@$callbacks) {
679	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
688	}	1075	}
689		1076
690	0	1077	0
691	}	1078	}
692		1079
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1081
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1083
697	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
698		1085
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1089
703	=back	1090	=back
704		1091
705	=cut	1092	=cut
706		1093
707	#############################################################################	1094	#############################################################################
708	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
709		1138
710	sub reattach {	1139	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1141	my ($obj) = @_;
713		1142
		1143	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1145
716	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
717		1147
718	@$registry = ();	1148	@$registry = ();
719		1149
…		…
734	cf::attachable->attach (	1164	cf::attachable->attach (
735	prio => -1000000,	1165	prio => -1000000,
736	on_instantiate => sub {	1166	on_instantiate => sub {
737	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
738		1168
739	$data = from_json $data;	1169	$data = decode_json $data;
740		1170
741	for (@$data) {	1171	for (@$data) {
742	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
743		1173
744	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1190	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
762		1192
763	sync_job {	1193	sync_job {
764	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
767		1198
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
772	close $fh;	1206	aio_close $fh;
773		1207
774	if (@$objs) {	1208	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
780	close $fh;	1217	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
782	}	1219	}
783	} else {	1220	} else {
784	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
785	}	1222	}
786		1223
787	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1228	} else {
789	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
790	}	1230	}
791	} else {	1231	} else {
792	aio_unlink $filename;	1232	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
794	}	1234	}
795	}	1235	};
796	}	1236	}
797		1237
798	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
800		1240
…		…
812	or return;	1252	or return;
813		1253
814	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
816	or return;	1256	or return;
		1257
817	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
818	}	1260	}
819		1261
		1262	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
822	return ($data, $av);	1266	($data, $av)
823	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
824		1274
825	#############################################################################	1275	#############################################################################
826	# command handling &c	1276	# command handling &c
827		1277
828	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1292	}
843		1293
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1295
846	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
847		1301
848	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
849	called.	1303	called.
850		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
851	=cut	1316	=cut
852		1317
853	sub register_extcmd {	1318	sub register_extcmd {
854	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
855		1320
856	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
857	}	1322	}
858		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
859	cf::player->attach (	1332	cf::player->attach (
860	on_command => sub {	1333	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
862		1335
863	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
864	or return;	1337	or return;
865		1338
…		…
870	cf::override;	1343	cf::override;
871	},	1344	},
872	on_extcmd => sub {	1345	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
874		1347
875	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1349
877	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
883	} else {	1365	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1367	}
886		1368
887	cf::override;	1369	cf::override;
888	},	1370	},
889	);	1371	);
890		1372
		1373	# "readahead" all extensions
891	sub load_extension {	1374	sub cache_extensions {
892	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
893		1376
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1380	}
919	die $@;
920	}	1381	};
921		1382
922	push @EXTS, $pkg;	1383	$grp
923	}	1384	}
924		1385
925	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
926	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1391	next unless -r $path;
928	eval {	1392
929	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
930	1	1456	}
931	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
932	}	1467	};
933	}	1468	}
934		1469
935	#############################################################################	1470	#############################################################################
936		1471
		1472	=back
		1473
937	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
938		1475
939	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
940		1477
941	=cut	1478	=cut
942		1479
943	package cf::player;	1480	package cf::player;
944		1481
…		…
946		1483
947	=head3 cf::player	1484	=head3 cf::player
948		1485
949	=over 4	1486	=over 4
950		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
951	=item cf::player::find $login	1502	=item cf::player::find $login
952		1503
953	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
954		1505
955	=cut	1506	=cut
956		1507
957	sub playerdir($) {	1508	sub playerdir($) {
958	cf::localdir	1509	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1511	}
964		1512
965	sub path($) {	1513	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1515
968	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
969	}	1517	}
970		1518
971	sub find_active($) {	1519	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
976		1524
977	sub exists($) {	1525	sub exists($) {
978	my ($login) = @_;	1526	my ($login) = @_;
979		1527
980	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
982	}	1530	}
983		1531
984	sub find($) {	1532	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1534	my $login = $_[0];
987		1535
988	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
989		1537
990	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
992	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
994	}	1555	}
995	}	1556	}
996	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
997		1571
998	sub save($) {	1572	sub save($) {
999	my ($pl) = @_;	1573	my ($pl) = @_;
1000		1574
1001	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1007		1581
1008	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1010		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1011	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1012	Coro::cede;	1591	cf::cede_to_tick;
1013	}	1592	}
1014		1593
1015	sub new($) {	1594	sub new($) {
1016	my ($login) = @_;	1595	my ($login) = @_;
1017		1596
…		…
1023	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1024		1603
1025	$self	1604	$self
1026	}	1605	}
1027		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1028	=item $pl->quit_character	1617	=item $pl->quit_character
1029		1618
1030	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1032		1621
…		…
1036	my ($pl) = @_;	1625	my ($pl) = @_;
1037		1626
1038	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1039		1628
1040	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1631
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1047		1638
1048	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1080		1671
1081	=cut	1672	=cut
1082		1673
1083	sub list_logins {	1674	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1676	or return [];
1086		1677
1087	my @logins;	1678	my @logins;
1088		1679
1089	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1093		1690
1094	utf8::decode $login;	1691	utf8::decode $login;
1095	push @logins, $login;	1692	push @logins, $login;
1096	}	1693	}
1097		1694
1098	\@logins	1695	\@logins
1099	}	1696	}
1100		1697
1101	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1102		1701
1103	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1104	player. May block.	1703	player. May block.
1105		1704
1106	=cut	1705	=cut
…		…
1124	}	1723	}
1125		1724
1126	\@paths	1725	\@paths
1127	}	1726	}
1128		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1130		1733
1131	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1132		1735
1133	=cut	1736	=cut
1134		1737
1135	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1137		1740
1138	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1742	}
1142		1743
1143	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1144		1786
1145	=back	1787	=back
1146
1147		1788
1148	=head3 cf::map	1789	=head3 cf::map
1149		1790
1150	=over 4	1791	=over 4
1151		1792
…		…
1163	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1165		1806
1166	sub generate_random_map {	1807	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1168	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1813	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1198		1842
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1844	}
1201		1845
1202	# also paths starting with '/'	1846	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1848
1205	sub thawer_merge {	1849	sub thawer_merge {
1206	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1207		1851
1208	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1209	local $self->{path};	1853	local $self->{path};
1210	local $self->{load_path};	1854	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1855
1214	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1215	}	1857	}
1216		1858
1217	sub normalise {	1859	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1265	return $self;	1907	return $self;
1266	}	1908	}
1267	}	1909	}
1268		1910
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1912	()
1271	}	1913	}
1272		1914
1273	sub init {	1915	sub init {
1274	my ($self) = @_;	1916	my ($self) = @_;
…		…
1289		1931
1290	# the original (read-only) location	1932	# the original (read-only) location
1291	sub load_path {	1933	sub load_path {
1292	my ($self) = @_;	1934	my ($self) = @_;
1293		1935
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1936	"$MAPDIR/$self->{path}.map"
1295	}	1937	}
1296		1938
1297	# the temporary/swap location	1939	# the temporary/swap location
1298	sub save_path {	1940	sub save_path {
1299	my ($self) = @_;	1941	my ($self) = @_;
1300		1942
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1944	"$TMPDIR/$path.map"
1303	}	1945	}
1304		1946
1305	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1306	sub uniq_path {	1948	sub uniq_path {
1307	my ($self) = @_;	1949	my ($self) = @_;
1308		1950
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1952	"$UNIQUEDIR/$path"
1311	}	1953	}
1312		1954
1313	# and all this just because we cannot iterate over	1955	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1956	my ($self) = @_;
1317		1957
1318	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1320	}	1961	}
1321		1962
1322	sub unlink_save {	1963	sub unlink_save {
1323	my ($self) = @_;	1964	my ($self) = @_;
1324		1965
…		…
1329		1970
1330	sub load_header_from($) {	1971	sub load_header_from($) {
1331	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1332		1973
1333	utf8::encode $path;	1974	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1339		1983
1340	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1341		1985
1342	1	1986	1
1343	}	1987	}
…		…
1382	$self->load_header_orig	2026	$self->load_header_orig
1383	or return;	2027	or return;
1384	$self->prepare_orig;	2028	$self->prepare_orig;
1385	}	2029	}
1386		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
		2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
1387	1	2037	1
1388	}	2038	}
1389		2039
1390	sub find;	2040	sub find;
1391	sub find {	2041	sub find {
1392	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1393		2043
1394	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1395		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2048
1398	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1401	or return;	2051	or return;
1402		2052
1403	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1404		2054
1405	$map->load_header	2055	$map->load_header
1406	or return;	2056	or return;
1407		2057
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1411	$map->reset;	2063	$map->reset;
1412	undef $guard;
1413	return find $path;	2064	return find $path;
1414	}	2065	}
1415		2066
1416	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1417	}	2068	}
1418	}	2069	}
1419		2070
1420	sub pre_load { }	2071	sub pre_load { }
1421	sub post_load { }	2072	#sub post_load { } # XS
1422		2073
1423	sub load {	2074	sub load {
1424	my ($self) = @_;	2075	my ($self) = @_;
1425		2076
1426	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1427		2078
1428	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1430		2083
		2084	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2086
1433	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1434		2088
1435	$self->alloc;	2089	$self->alloc;
1436		2090
1437	$self->pre_load;	2091	$self->pre_load;
		2092	cf::cede_to_tick;
1438		2093
1439	$self->_load_objects ($self->{load_path}, 1)	2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1440	or return;	2097	or return;
1441		2098
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1443	if delete $self->{load_original};	2100	if delete $self->{load_original};
1444		2101
1445	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2103	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2106	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1450	}	2110	}
1451	}	2111	}
1452		2112
1453	Coro::cede;	2113	$f->resolve_delayed_derefs;
1454		2114
		2115	cf::cede_to_tick;
1455	# now do the right thing for maps	2116	# now do the right thing for maps
1456	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2119	unless $self->difficulty;
1466	Coro::cede;	2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1467	$self->activate;	2127	$self->activate;
		2128	}
		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
		2133	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2134	}
1469		2135
1470	$self->post_load;	2136	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2137	}
1474		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2142	sub customise_for {
1476	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1477		2144
1478	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2146	if $self->per_player;
1480		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1481	$self	2151	$self
1482	}	2152	}
1483		2153
1484	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2155	sub load_neighbours {
1486	my ($map) = @_;	2156	my ($map) = @_;
1487		2157
1488	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1489		2159
1490	for (0 .. 3) {	2160	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1492	or next;	2162	or next;
1493	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1494	or next;	2164	or next;
1495	$neigh->load;	2165	$neigh->load;
1496		2166
		2167	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2170	}
1500		2171
1501	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1503	or next;	2175	or next;
1504	$neigh->load;	2176	$neigh->load;
1505	}	2177	}
1506	}	2178	}
1507		2179
…		…
1512	}	2184	}
1513		2185
1514	sub do_load_sync {	2186	sub do_load_sync {
1515	my ($map) = @_;	2187	my ($map) = @_;
1516		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1517	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1518	}	2193	}
1519		2194
1520	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1522		2197
1523	sub find_async {	2198	sub find_async {
1524	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1525		2200
1526	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1527		2202
1528	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2205	}
1531		2206
1532	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1533	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1534	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2214	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2215	$map->load if $v;
		2216	}
1539		2217
1540	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1541	}	2219	}
1542	}	2220	}
1543	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1544	};	2222	};
1545	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1546		2224
1547	()	2225	()
1548	}	2226	}
1549		2227
		2228	# common code, used by both ->save and ->swapout
1550	sub save {	2229	sub _save {
1551	my ($self) = @_;	2230	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2231
1555	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1556		2233
1557	return unless $self->dirty;	2234	return unless $self->dirty;
1558		2235
…		…
1564	return if $self->{deny_save};	2241	return if $self->{deny_save};
1565		2242
1566	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1567		2244
1568	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1570	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1571		2251
1572	if ($uniq) {	2252	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2255	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2257	}
1578	}	2258	}
1579		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1580	sub swap_out {	2268	sub swap_out {
1581	my ($self) = @_;	2269	my ($self) = @_;
1582		2270
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1588	return if $self->players;	2275	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1592	$self->clear;	2286	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2287	}
1595		2288
1596	sub reset_at {	2289	sub reset_at {
1597	my ($self) = @_;	2290	my ($self) = @_;
1598		2291
1599	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1602		2294
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2297
…		…
1616	my ($self) = @_;	2308	my ($self) = @_;
1617		2309
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2311
1620	return if $self->players;	2312	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2313
1623	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1624		2315
1625	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1626		2317
1627	# need to save uniques path	2318	# need to save uniques path
1628	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2323	if $uniq;
1633	}	2324	}
1634		2325
1635	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1636		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2330	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2331
1641	$self->unlink_save;	2332	$self->unlink_save;
1642	$self->destroy;	2333	$self->destroy;
1643	}	2334	}
1644		2335
1645	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1646		2337
1647	sub nuke {	2338	sub nuke {
1648	my ($self) = @_;	2339	my ($self) = @_;
1649		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1650	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1651		2345
1652	$self->unlink_save;	2346	$self->unlink_save;
1653		2347
1654	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2353
1660	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1661		2356
1662	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1663	}	2394	}
1664		2395
1665	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1666		2397
1667	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2399	instantiated unique items. May block.
1669		2400
1670	=cut	2401	=cut
1671		2402
1672	sub unique_maps() {	2403	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1674	or return;	2405	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2406	utf8::decode $_;
1680	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2409	? ()
1683	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2412	]
1685
1686	\@paths
1687	}	2413	}
1688		2414
1689	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1690		2446
1691	=back	2447	=back
1692		2448
1693	=head3 cf::object	2449	=head3 cf::object
1694		2450
…		…
1698		2454
1699	=over 4	2455	=over 4
1700		2456
1701	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1702		2458
1703	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1704		2461
1705	=cut	2462	=cut
1706		2463
1707	sub inv_recursive_;	2464	sub inv_recursive_;
1708	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1711		2468
1712	sub inv_recursive {	2469	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1714	}	2471	}
1715		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1716	package cf;	2501	package cf;
1717		2502
1718	=back	2503	=back
1719		2504
1720	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1729		2514
1730	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1731		2530
1732	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2532	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1737		2536
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2538
1740	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1742	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1745	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1746	}	2564	}
1747		2565
1748	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1749		2567
1750	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1763		2581
1764	=item $player_object->enter_link	2582	=item $player_object->enter_link
1765		2583
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2585
1768	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1770		2590
1771	Will never block.	2591	Will never block.
1772		2592
1773	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1774		2594
…		…
1797	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1798		2618
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2620
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1803		2623
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2625	}
1806		2626
1807	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1809		2631
1810	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1811		2633
1812	unless ($map) {	2634	unless ($map) {
1813	# restore original map position	2635	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1826		2648
1827	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1830		2652
1831	$map->load;	2653	$map->load;
1832	$map->load_diag;	2654	$map->load_neighbours;
1833		2655
1834	return unless $self->contr->active;	2656	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2657
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1839	}
1840		2660
1841	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2662	$self->activate_recursive;
1843	my ($pl) = @_;	2663	# unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
1844		2665
1845	# abort map switching before logout	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2667
1855	# try to abort aborted map switching on player login :)	2668	Moves the player to the given map-path and coordinates by first freezing
1856	# should happen only on crashes	2669	her, loading and preparing them map, calling the provided $check callback
1857	if ($pl->ob->{_link_pos}) {	2670	that has to return the map if sucecssful, and then unfreezes the player on
1858	$pl->ob->enter_link;	2671	the new (success) or old (failed) map position. In either case, $done will
1859	(async {	2672	be called at the end of this process.
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2673
1873	=item $player_object->goto ($path, $x, $y)	2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
1874		2676
1875	=cut	2677	=cut
		2678
		2679	our $GOTOGEN;
1876		2680
1877	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
		2683
		2684	# do generation counting so two concurrent goto's will be executed in-order
		2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2686
1880	$self->enter_link;	2687	$self->enter_link;
1881		2688
1882	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
1883	my $map = eval {	2711	my $map = eval {
1884	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
		2713
		2714	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2715	$map = $map->customise_for ($self);
		2716	$map = $check->($map) if $check && $map;
		2717	} else {
		2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2719	}
		2720
1886	$map	2721	$map
		2722	};
		2723
		2724	if ($@) {
		2725	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2726	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2727	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2728
		2729	if ($gen == $self->{_goto_generation}) {
		2730	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
		2732	}
		2733
		2734	$done->() if $done;
1891	})->prio (1);	2735	})->prio (1);
1892	}	2736	}
1893		2737
1894	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
1895		2739
…		…
1915	}	2759	}
1916		2760
1917	sub prepare_random_map {	2761	sub prepare_random_map {
1918	my ($exit) = @_;	2762	my ($exit) = @_;
1919		2763
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2766	# that depends on the exit object
1925		2767
1926	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2770	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
1933	}	2777	}
1934		2778
1935	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
1936		2780
1937	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
1940		2784
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2787	undef $fh;
1944	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
1945		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
1948	}	2796	}
1949	}	2797	}
1950		2798
1951	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
1953		2801
1954	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
1955		2803
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2804	$self->enter_link;
1966		2805
1967	(async {	2806	(async {
1968	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
1969	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
1970	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
1971		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
1972	1;	2830	1
1973	}) {	2831	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2836
1979	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2838	$self->leave_link;
1981	}	2839	}
1982	})->prio (1);	2840	})->prio (1);
…		…
1998		2856
1999	utf8::encode $text;	2857	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2859	}
2002		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
		3048	=item $client->ext_msg ($type, @msg)
		3049
		3050	Sends an ext event to the client.
		3051
		3052	=cut
		3053
		3054	sub cf::client::ext_msg($$@) {
		3055	my ($self, $type, @msg) = @_;
		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
		3060	push @msg, msgtype => "event_$type";
		3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
		3081	}
2003		3082
2004	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2005		3084
2006	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3088
2010	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3090	become reliable at some point in the future.
2012		3091
2013	=cut	3092	=cut
2014		3093
2015	sub cf::client::query {	3094	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3103	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3105
2027	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
2029	}	3110	}
2030		3111
2031	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
2032	on_reply => sub {	3118	on_reply => sub {
2033	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
2034		3120
2035	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
2036	# get handled first	3122	# get handled first
…		…
2048	} else {	3134	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3136	}
2051	}	3137	}
2052	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
2053	);	3165	);
2054		3166
2055	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
2056		3168
2057	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3185
2074	$coro	3186	$coro
2075	}	3187	}
2076		3188
2077	cf::client->attach (	3189	cf::client->attach (
2078	on_destroy => sub {	3190	on_client_destroy => sub {
2079	my ($ns) = @_;	3191	my ($ns) = @_;
2080		3192
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3194	},
2083	);	3195	);
…		…
2098	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2100		3212
2101	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2102		3214
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2104		3220
2105	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2106		3222
2107	=pod	3223	=pod
2108		3224
2109	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2110		3226
2111	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2112	cf::object::player player	3232	cf::object::player
2113	cf::player peaceful	3233	player
2114	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2115		3240
2116	=cut	3241	=cut
2117		3242
2118	for (	3243	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2123	) {	3250	) {
2124	no strict 'refs';	3251	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2144		3271
2145	my $qcode = $code;	3272	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2148		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2149	local $_;	3279	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3280
2152	my $eval =	3281	my $eval =
2153	"do {\n"	3282	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3285	. $code
2157	. "\n}"	3286	. "\n}"
2158	;	3287	;
2159		3288
		3289	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2163		3298
2164	if ($@) {	3299	if ($@) {
2165	warn "$@";	3300	warn "$@";
2166	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2167	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2186	=cut	3321	=cut
2187		3322
2188	sub register_script_function {	3323	sub register_script_function {
2189	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2190		3325
2191	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2193	}	3328	}
2194		3329
2195	=back	3330	=back
2196		3331
2197	=cut	3332	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3333
2271	#############################################################################	3334	#############################################################################
2272	# the server's init and main functions	3335	# the server's init and main functions
2273		3336
2274	sub load_facedata {	3337	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2276		3345
2277	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2278		3347
2279	my $faces;	3348	my $facedata;
2280	0 < aio_load $path, $faces	3349	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3350	or die "$path: $!";
2282		3351
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3352	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3353
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3354	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
		3366	{
		3367	my $faces = $facedata->{faceinfo};
		3368
2291	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371
		3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	Coro::cede;
2297	}
2298		3376
		3377	cf::cede_to_tick;
		3378	}
		3379
2299	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2301	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2302	or next;	3384	or next;
		3385
2303	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	3387	cf::face::set_smooth $idx, $smooth;
		3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	3389	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	3391	}
2308	Coro::cede;	3392
		3393	cf::cede_to_tick;
		3394	}
		3395	}
		3396
2309	}	3397	{
		3398	my $anims = $facedata->{animinfo};
		3399
		3400	while (my ($anim, $info) = each %$anims) {
		3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3402	cf::cede_to_tick;
		3403	}
		3404
		3405	cf::anim::invalidate_all; # d'oh
		3406	}
		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2310		3426
2311	1	3427	1
2312	}	3428	}
2313		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
		3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
		3473	load_resource_file "$MAPDIR/regions"
		3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
		3480	}
		3481
		3482	sub reload_facedata {
		3483	load_facedata "$DATADIR/facedata"
		3484	or die "unable to load facedata\n";
		3485	}
		3486
		3487	sub reload_archetypes {
		3488	load_resource_file "$DATADIR/archetypes"
		3489	or die "unable to load archetypes\n";
		3490	}
		3491
		3492	sub reload_treasures {
		3493	load_resource_file "$DATADIR/treasures"
		3494	or die "unable to load treasurelists\n";
		3495	}
		3496
2314	sub reload_resources {	3497	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3498	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3499
2317	load_facedata	3500	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3501	reload_archetypes;
2319	}
2320
2321	sub init {
2322	reload_resources;	3502	reload_regions;
2323	}	3503	reload_treasures;
2324		3504
2325	sub cfg_load {	3505	warn "finished reloading resource files\n";
		3506	}
		3507
		3508	sub reload_config {
		3509	warn "reloading config file...\n";
		3510
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3512	or return;
2328		3513
2329	local $/;	3514	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2331		3516
2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2333		3518
2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2339	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2340	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2341	};	3526	};
2342	warn $@ if $@;	3527	warn $@ if $@;
2343	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2344	}	3559	}
2345		3560
2346	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2347	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2350	(async {	3574	(async {
2351	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2352	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2353	};	3578	};
2354		3579
2355	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2356	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2357	load_extensions;	3603	load_extensions;
2358		3604
2359	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2360	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2361	}	3618	}
2362		3619
2363	#############################################################################	3620	#############################################################################
2364	# initialisation and cleanup	3621	# initialisation and cleanup
2365		3622
2366	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2367	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2368	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2369	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2370	reentrant => 0,
2371	data => WF_AUTOCANCEL,
2372	signal => $signal,
2373	prio => 0,
2374	cb => sub {
2375	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2376	},
2377	);	3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
2378	}	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2379	}	3719	}
2380		3720
2381	sub emergency_save() {	3721	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2383		3723
2384	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2385		3725
2386	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2387	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2388	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2389	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2391	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3740	$pl->save;
2395	}	3741	}
2396	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2397		3743
2398	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2399	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2400	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2401	$map->valid or next;	3747	$map->valid or next;
2402	$map->save;	3748	$map->save;
2403	}	3749	}
2404	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2405		3751
2406	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2407	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2408	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2409	};	3759	};
2410		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2411	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2412	}	3767	}
2413		3768
2414	sub post_cleanup {	3769	sub post_cleanup {
2415	my ($make_core) = @_;	3770	my ($make_core) = @_;
2416		3771
2417	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3773	if $make_core;
2419	}
2420		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
		3802	}
		3803
2421	sub reload() {	3804	sub do_reload_perl() {
2422	# can/must only be called in main	3805	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2424	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2425	return;	3808	return;
2426	}	3809	}
2427		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2428	warn "reloading...";	3816	warn "reloading...";
2429		3817
2430	warn "entering sync_job";	3818	warn "entering sync_job";
2431		3819
2432	cf::sync_job {	3820	cf::sync_job {
2433	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2434	cf::emergency_save;	3822	cf::emergency_save;
2435	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2436		3824
2437	warn "syncing database to disk";	3825	warn "syncing database to disk";
2438	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2439		3827
2440	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2441		3829
2442	warn "cancelling all WF_AUTOCANCEL watchers";
2443	for (Event::all_watchers) {
2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2445	}
2446
2447	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2448	for (;;) {
2449	BDB::flush;
2450	IO::AIO::flush;
2451	Coro::cede;
2452	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2453	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2454	}
2455
2456	++$RELOAD;
2457
2458	warn "cancelling all extension coros";
2459	$_->cancel for values %EXT_CORO;
2460	%EXT_CORO = ();
2461
2462	warn "removing commands";
2463	%COMMAND = ();
2464
2465	warn "removing ext commands";
2466	%EXTCMD = ();
2467
2468	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";
2471
2472	if (my $cb = $pkg->can ("unload")) {
2473	eval {
2474	$cb->($pkg);
2475	1
2476	} or warn "$pkg unloaded, but with errors: $@";
2477	}	3833	}
2478		3834
2479	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2480	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2481	}	3837	%EXT_CORO = ();
2482		3838
2483	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2484	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2486		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2487	warn "... unloading $k";	3848	warn "... unloading $pkg";
2488	delete $INC{$k};
2489		3849
2490	$k =~ s/\.pm$//;
2491	$k =~ s/\//::/g;
2492
2493	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2494	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2495	}	3859	}
2496		3860
2497	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2498	}	3876	}
2499		3877
2500	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2501	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3881
2504	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
		3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2506		3885
2507	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3887	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2510		3889
2511	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2512		3891
2513	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2514	require cf;	3893	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2516		3895
2517	warn "loading config and database again";	3896	warn "loading config and database again";
2518	cf::cfg_load;	3897	cf::reload_config;
2519		3898
2520	warn "loading extensions";	3899	warn "loading extensions";
2521	cf::load_extensions;	3900	cf::load_extensions;
2522		3901
		3902	if ($REATTACH_ON_RELOAD) {
2523	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2524	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
2525	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
2529		3910
2530	warn "loading reloadable resources";	3911	warn "running post_init jobs";
2531	reload_resources;	3912	(pop @POST_INIT)->(1) while @POST_INIT;
2532		3913
2533	warn "leaving sync_job";	3914	warn "leaving sync_job";
2534		3915
2535	1	3916	1
2536	} or do {	3917	} or do {
2537	warn $@;	3918	warn $@;
2538	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
2539	exit 1;	3920	};
		3921
		3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
		3928	};
		3929
		3930	our $RELOAD_WATCHER; # used only during reload
		3931
		3932	sub reload_perl() {
		3933	# doing reload synchronously and two reloads happen back-to-back,
		3934	# coro crashes during coro_state_free->destroy here.
		3935
		3936	$RELOAD_WATCHER ||= cf::async {
		3937	Coro::AIO::aio_wait cache_extensions;
		3938
		3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3940	do_reload_perl;
		3941	undef $RELOAD_WATCHER;
		3942	};
2540	};	3943	};
2541		3944	}
2542	warn "reloaded";
2543	};
2544
2545	our $RELOAD_WATCHER; # used only during reload
2546		3945
2547	register_command "reload" => sub {	3946	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2549		3948
2550	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
2552		3951	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	3952	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	3953	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	3954	};
2565	}	3955	}
2566	};	3956	};
2567		3957
2568	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2569		3959
2570	my $bug_warning = 0;	3960	my $bug_warning = 0;
2571		3961
2572	$TICK_WATCHER = Event->timer (	3962	our @WAIT_FOR_TICK;
2573	reentrant => 0,	3963	our @WAIT_FOR_TICK_BEGIN;
2574	parked => 1,	3964
2575	prio => 0,	3965	sub wait_for_tick {
2576	at => $NEXT_TICK || $TICK,	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2577	data => WF_AUTOCANCEL,	3967
2578	cb => sub {	3968	my $signal = new Coro::Signal;
		3969	push @WAIT_FOR_TICK, $signal;
		3970	$signal->wait;
		3971	}
		3972
		3973	sub wait_for_tick_begin {
		3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3975
		3976	my $signal = new Coro::Signal;
		3977	push @WAIT_FOR_TICK_BEGIN, $signal;
		3978	$signal->wait;
		3979	}
		3980
		3981	sub tick {
2579	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
2582	return;	3985	return;
2583	}	3986	}
2584		3987
2585	$NOW = Event::time;
2586
2587	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2588	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;
2590		3989
		3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		3991
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2593	Coro::async_pool {	3994	Coro::async_pool {
		3995	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	3996	write_runtime_sync
2595	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
2596	};
2597	}	3998	};
2598
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#
2604
2605	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2607
2608	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;
2610	},	3999	}
2611	);	4000
		4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4002	$sig->send;
		4003	}
		4004	while (my $sig = shift @WAIT_FOR_TICK) {
		4005	$sig->send;
		4006	}
		4007
		4008	$LOAD = ($NOW - $TICK_START) / $TICK;
		4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4010
		4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
		4017	}
		4018	}
2612		4019
2613	{	4020	{
2614	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
2615	$BDB_POLL_WATCHER = Event->io (	4022
2616	reentrant => 0,
2617	fd => BDB::poll_fileno,
2618	poll => 'r',
2619	prio => 0,
2620	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,
2622	);
2623	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
2624		4024	BDB::max_poll_reqs $TICK * 0.1;
2625	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
2626	my $status;
2627	my $current = $Coro::current;
2628	(
2629	sub {
2630	$status = $!;
2631	$current->ready; undef $current;
2632	},
2633	sub {
2634	Coro::schedule while defined $current;
2635	$! = $status;
2636	},
2637	)
2638	};
2639		4026
2640	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
2641	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2642		4034
2643	cf::sync_job {	4035	cf::sync_job {
2644	eval {	4036	eval {
2645	BDB::db_env_open	4037	BDB::db_env_open
2646	$DB_ENV,	4038	$DB_ENV,
2647	$BDB_ENV_DIR,	4039	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	4042	0666;
2651		4043
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	4045	};
2657		4046
2658	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	4048	};
2660	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
2661	}	4060	}
2662		4061
2663	{	4062	{
		4063	# configure IO::AIO
		4064
2664	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
2665
2666	undef $Coro::AIO::WATCHER;
2667	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
2668	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
2669	reentrant => 0,
2670	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,
2672	poll => 'r',
2673	prio => 6,
2674	cb => \&IO::AIO::poll_cb,
2675	);
2676	}	4068	}
		4069
		4070	my $_log_backtrace;
		4071
		4072	sub _log_backtrace {
		4073	my ($msg, @addr) = @_;
		4074
		4075	$msg =~ s/\n//;
		4076
		4077	# limit the # of concurrent backtraces
		4078	if ($_log_backtrace < 2) {
		4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
		4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
		4084	my @bt = fork_call {
		4085	@addr = map { sprintf "%x", $_ } @addr;
		4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4088	or die "addr2line: $!";
		4089
		4090	my @funcs;
		4091	my @res = <$fh>;
		4092	chomp for @res;
		4093	while (@res) {
		4094	my ($func, $line) = splice @res, 0, 2, ();
		4095	push @funcs, "[$func] $line";
		4096	}
		4097
		4098	@funcs
		4099	};
		4100
		4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4103	LOG llevInfo, "[ABT] $_\n" for @bt;
		4104	--$_log_backtrace;
		4105	};
		4106	} else {
		4107	LOG llevInfo, "[ABT] $msg\n";
		4108	LOG llevInfo, "[ABT] [suppressed]\n";
		4109	}
		4110	}
		4111
		4112	# load additional modules
		4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
2677		4115
2678	END { cf::emergency_save }	4116	END { cf::emergency_save }
2679		4117
2680	1	4118	1
2681		4119

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