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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.527 by root, Fri Apr 23 04:32:47 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use 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 = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 0;#d#
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	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		140
82	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	201	every server tick.
120		202
121	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	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	238	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	239	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.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
145		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	258	my $msg = join "", @_;
153	utf8::encode $msg;
154		259
155	$msg .= "\n"	260	$msg .= "\n"
156	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
157		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
158	LOG llevError, $msg;	265	LOG llevError, $msg;
159	};	266	};
160	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
161		281
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		289
169	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	291	# within the Safe compartment.
171	for my $pkg (qw(	292	for my $pkg (qw(
172	cf::global cf::attachable	293	cf::global cf::attachable
173	cf::object cf::object::player	294	cf::object cf::object::player
174	cf::client cf::player	295	cf::client cf::player
175	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
176	cf::map cf::party cf::region	298	cf::party cf::region
177	)) {	299	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	301	}
181		302
182	$Event::DIED = sub {	303	$EV::DIED = sub {
183	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
184	};	305	};
		306
		307	#############################################################################
185		308
186	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
187		310
188	=over 4	311	=over 4
189		312
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	332	$d
210	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
211	}	334	}
212		335
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
216		337
217	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
218		339
219	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
220		341
221	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
222		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
223	=item cf::lock_wait $string	365	=item cf::lock_wait $string
224		366
225	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
226		368
227	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
228		370
229	Wait until the given lock is available and then acquires it and returns	371	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,	372	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	373	for example when the coroutine gets canceled), the lock is automatically
232	returned.	374	returned.
233		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
234	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
236		381
237	=cut	382	=item $locked = cf::lock_active $string
238		383
239	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
240		389
241	sub lock_wait($) {	390	sub lock_wait($) {
242	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	392	}
250		393
251	sub lock_acquire($) {	394	sub lock_acquire($) {
252	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
253		397
254	# wait, to be sure we are not locked	398	sub lock_active($) {
255	lock_wait $key;	399	$LOCKS->count ($_[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	}	400	}
264		401
265	sub freeze_mainloop {	402	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
267		404
268	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
270	};	472	}
271	$TICK_WATCHER->stop;	473	};
272	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
273	}	488	}
274		489
275	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
276		491
277	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		497
283	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
284		499
285	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
286		501
287	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
290		506
291	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
294	fast or be very important.	510	fast or be very important.
…		…
297		513
298	sub sync_job(&) {	514	sub sync_job(&) {
299	my ($job) = @_;	515	my ($job) = @_;
300		516
301	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
302	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
304		522
305	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	524
307	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
308		526
309	my $busy = 1;	527	my $busy = 1;
310	my @res;	528	my @res;
311		529
312	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	532	@res = eval { $job->() };
314	warn $@ if $@;	533	warn $@ if $@;
315	undef $busy;	534	undef $busy;
316	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
317		536
318	while ($busy) {	537	while ($busy) {
319	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
320	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
321		548
322	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
323	} else {	550	} else {
324	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
325		552
…		…
345	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
346		573
347	$coro	574	$coro
348	}	575	}
349		576
350	sub write_runtime {	577	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		578
353	my $runtime = cf::localdir . "/runtime";	579	Executes the given code block with the given arguments in a seperate
		580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
354		583
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	584	=cut
356	or return;
357		585
358	my $value = $cf::RUNTIME + 90 + 10;	586	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	587	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		588
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	589	# we seemingly have to make a local copy of the whole thing,
363	and return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
364		592
365	# always fsync - this file is important	593	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	594	reset_signals;
367	and return;	595	&$cb
		596	}, @args;
368		597
369	close $fh	598	wantarray ? @res : $res[-1]
370	or return;	599	}
371		600
372	aio_rename "$runtime~", $runtime	601	sub objinfo {
373	and return;
374
375	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
376	}	764	}
377		765
378	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
379		767
380	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		780
393	#############################################################################	781	#############################################################################
394		782
395	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
396		784
397	Many objects in crossfire are so-called attachable objects. That means you can	785	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")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
400		788
401	In the following description, CLASS can be any of C<global>, C<object>	789	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	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	791	Deliantra).
404		792
405	=over 4	793	=over 4
406		794
407	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
408		796
…		…
452	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
453		841
454	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
456		844
457	Some classes such as crossfire maps and objects can specify attachments	845	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.	846	that are attached at load/instantiate time, thus the need for a name.
459		847
460	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
461		849
462	=over 4	850	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
572		960
573	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		965
578	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	967	my $pkg = shift @arg;
580		968
581	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
611	}	999	}
612		1000
613	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
614	} else {	1002	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	1004	}
617		1005
618	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
619	}	1007	}
620		1008
…		…
622	if (ref $_[0]) {	1010	if (ref $_[0]) {
623	_object_attach @_;	1011	_object_attach @_;
624	} else {	1012	} else {
625	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
626	}	1014	}
		1015	_recalc_want;
627	};	1016	};
628		1017
629	# all those should be optimised	1018	# all those should be optimised
630	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1024	reattach ($obj);
636	} else {	1025	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
638	}	1027	}
		1028	_recalc_want;
639	};	1029	};
640		1030
641	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
643		1033
…		…
658	";	1048	";
659	die if $@;	1049	die if $@;
660	}	1050	}
661		1051
662	our $override;	1052	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1054
665	sub override {	1055	sub override {
666	$override = 1;	1056	$override = 1;
667	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
668	}	1058	}
669		1059
670	sub do_invoke {	1060	sub do_invoke {
671	my $event = shift;	1061	my $event = shift;
672	my $callbacks = shift;	1062	my $callbacks = shift;
673		1063
674	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
675		1065
676	local $override;	1066	local $override;
677		1067
678	for (@$callbacks) {	1068	for (@$callbacks) {
679	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
688	}	1078	}
689		1079
690	0	1080	0
691	}	1081	}
692		1082
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1084
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1086
697	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
698		1088
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	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	1090	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1092
703	=back	1093	=back
704		1094
705	=cut	1095	=cut
706		1096
707	#############################################################################	1097	#############################################################################
708	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
709		1141
710	sub reattach {	1142	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1144	my ($obj) = @_;
713		1145
		1146	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1148
716	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
717		1150
718	@$registry = ();	1151	@$registry = ();
719		1152
…		…
734	cf::attachable->attach (	1167	cf::attachable->attach (
735	prio => -1000000,	1168	prio => -1000000,
736	on_instantiate => sub {	1169	on_instantiate => sub {
737	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
738		1171
739	$data = from_json $data;	1172	$data = decode_json $data;
740		1173
741	for (@$data) {	1174	for (@$data) {
742	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
743		1176
744	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1193	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
762		1195
763	sync_job {	1196	sync_job {
764	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
767		1202
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
772	close $fh;	1210	aio_close $fh;
773		1211
774	if (@$objs) {	1212	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
780	close $fh;	1221	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
782	}	1223	}
783	} else {	1224	} else {
784	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
785	}	1226	}
786		1227
787	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1232	} else {
789	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
790	}	1234	}
791	} else {	1235	} else {
792	aio_unlink $filename;	1236	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
794	}	1238	}
795	}	1239	};
796	}	1240	}
797		1241
798	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
800		1244
…		…
812	or return;	1256	or return;
813		1257
814	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
816	or return;	1260	or return;
		1261
817	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
818	}	1264	}
819		1265
		1266	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
822	return ($data, $av);	1271	($data, $av)
823	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
824		1279
825	#############################################################################	1280	#############################################################################
826	# command handling &c	1281	# command handling &c
827		1282
828	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1297	}
843		1298
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1300
846	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
847		1306
848	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
849	called.	1308	called.
850		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
851	=cut	1321	=cut
852		1322
853	sub register_extcmd {	1323	sub register_extcmd {
854	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
855		1325
856	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
857	}	1327	}
858		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
859	cf::player->attach (	1337	cf::player->attach (
860	on_command => sub {	1338	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
862		1340
863	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
864	or return;	1342	or return;
865		1343
…		…
870	cf::override;	1348	cf::override;
871	},	1349	},
872	on_extcmd => sub {	1350	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
874		1352
875	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1354
877	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
883	} else {	1370	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1372	}
886		1373
887	cf::override;	1374	cf::override;
888	},	1375	},
889	);	1376	);
890		1377
		1378	# "readahead" all extensions
891	sub load_extension {	1379	sub cache_extensions {
892	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
893		1381
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1384	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	}	1385	}
919	die $@;
920	}	1386	};
921		1387
922	push @EXTS, $pkg;	1388	$grp
923	}	1389	}
924		1390
925	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
926	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1396	next unless -r $path;
928	eval {	1397
929	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
930	1	1461	}
931	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
932	}	1472	};
933	}	1473	}
934		1474
935	#############################################################################	1475	#############################################################################
936		1476
		1477	=back
		1478
937	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
938		1480
939	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
940		1482
941	=cut	1483	=cut
942		1484
943	package cf::player;	1485	package cf::player;
944		1486
…		…
946		1488
947	=head3 cf::player	1489	=head3 cf::player
948		1490
949	=over 4	1491	=over 4
950		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
951	=item cf::player::find $login	1507	=item cf::player::find $login
952		1508
953	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
954		1510
955	=cut	1511	=cut
956		1512
957	sub playerdir($) {	1513	sub playerdir($) {
958	cf::localdir	1514	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1516	}
964		1517
965	sub path($) {	1518	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1520
968	(playerdir $login) . "/$login.pl"	1521	(playerdir $login) . "/playerdata"
969	}	1522	}
970		1523
971	sub find_active($) {	1524	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1525	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1526	and $cf::PLAYER{$_[0]}->active
…		…
976		1529
977	sub exists($) {	1530	sub exists($) {
978	my ($login) = @_;	1531	my ($login) = @_;
979		1532
980	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
982	}	1535	}
983		1536
984	sub find($) {	1537	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1539	my $login = $_[0];
987		1540
988	my $guard = cf::lock_acquire "user_find:$login";	1541	my $guard = cf::lock_acquire "user_find:$login";
989		1542
990	$cf::PLAYER{$_[0]} || do {	1543	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
992	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
994	}	1560	}
995	}	1561	}
996	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
997		1576
998	sub save($) {	1577	sub save($) {
999	my ($pl) = @_;	1578	my ($pl) = @_;
1000		1579
1001	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1007		1586
1008	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1010		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1011	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1012	Coro::cede;	1596	cf::cede_to_tick;
1013	}	1597	}
1014		1598
1015	sub new($) {	1599	sub new($) {
1016	my ($login) = @_;	1600	my ($login) = @_;
1017		1601
…		…
1023	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1024		1608
1025	$self	1609	$self
1026	}	1610	}
1027		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1028	=item $pl->quit_character	1622	=item $pl->quit_character
1029		1623
1030	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1032		1626
…		…
1036	my ($pl) = @_;	1630	my ($pl) = @_;
1037		1631
1038	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1039		1633
1040	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1636
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1047		1643
1048	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1675	while and may block, so not sync_job-capable, ever.
1080		1676
1081	=cut	1677	=cut
1082		1678
1083	sub list_logins {	1679	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1680	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1681	or return [];
1086		1682
1087	my @logins;	1683	my @logins;
1088		1684
1089	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1093		1695
1094	utf8::decode $login;	1696	utf8::decode $login;
1095	push @logins, $login;	1697	push @logins, $login;
1096	}	1698	}
1097		1699
1098	\@logins	1700	\@logins
1099	}	1701	}
1100		1702
1101	=item $player->maps	1703	=item $player->maps
		1704
		1705	=item cf::player::maps $login
1102		1706
1103	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1104	player. May block.	1708	player. May block.
1105		1709
1106	=cut	1710	=cut
…		…
1124	}	1728	}
1125		1729
1126	\@paths	1730	\@paths
1127	}	1731	}
1128		1732
		1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1734
		1735	Expand deliantra pod fragments into protocol xml.
		1736
1129	=item $player->ext_reply ($msgid, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1130		1738
1131	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1132		1740
1133	=cut	1741	=cut
1134		1742
1135	sub ext_reply($$%) {	1743	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1137		1745
1138	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1747	}
1142		1748
1143	=item $player->ext_event ($type, %msg)	1749	=item $player->ext_msg ($type, @msg)
1144		1750
1145	Sends an ext event to the client.	1751	Sends an ext event to the client.
1146		1752
1147	=cut	1753	=cut
1148		1754
1149	sub ext_event($$%) {	1755	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1756	my ($self, $type, @msg) = @_;
1151		1757
1152	delete $msg{msgid};	1758	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1759	}
1158		1760
1159	package cf;	1761	=head3 cf::region
		1762
		1763	=over 4
		1764
		1765	=cut
		1766
		1767	package cf::region;
		1768
		1769	=item cf::region::find_by_path $path
		1770
		1771	Tries to decuce the likely region for a map knowing only its path.
		1772
		1773	=cut
		1774
		1775	sub find_by_path($) {
		1776	my ($path) = @_;
		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
		1779
		1780	my ($match, $specificity);
		1781
		1782	for my $region (list) {
		1783	if ($region->{match} && $path =~ $region->{match}) {
		1784	($match, $specificity) = ($region, $region->specificity)
		1785	if $region->specificity > $specificity;
		1786	}
		1787	}
		1788
		1789	$match
		1790	}
1160		1791
1161	=back	1792	=back
1162
1163		1793
1164	=head3 cf::map	1794	=head3 cf::map
1165		1795
1166	=over 4	1796	=over 4
1167		1797
…		…
1179	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1181		1811
1182	sub generate_random_map {	1812	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1816
1184	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1818	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1214		1847
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	1849	}
1217		1850
1218	# also paths starting with '/'	1851	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		1853
1221	sub thawer_merge {	1854	sub thawer_merge {
1222	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1223		1856
1224	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
1225	local $self->{path};	1858	local $self->{path};
1226	local $self->{load_path};	1859	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1860
1230	$self->SUPER::thawer_merge ($merge);	1861	$self->SUPER::thawer_merge ($merge);
1231	}	1862	}
1232		1863
1233	sub normalise {	1864	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1911	$self->init; # pass $1 etc.
1281	return $self;	1912	return $self;
1282	}	1913	}
1283	}	1914	}
1284		1915
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1917	()
1287	}	1918	}
1288		1919
1289	sub init {	1920	sub init {
1290	my ($self) = @_;	1921	my ($self) = @_;
…		…
1305		1936
1306	# the original (read-only) location	1937	# the original (read-only) location
1307	sub load_path {	1938	sub load_path {
1308	my ($self) = @_;	1939	my ($self) = @_;
1309		1940
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1941	"$MAPDIR/$self->{path}.map"
1311	}	1942	}
1312		1943
1313	# the temporary/swap location	1944	# the temporary/swap location
1314	sub save_path {	1945	sub save_path {
1315	my ($self) = @_;	1946	my ($self) = @_;
1316		1947
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1949	"$TMPDIR/$path.map"
1319	}	1950	}
1320		1951
1321	# the unique path, undef == no special unique path	1952	# the unique path, undef == no special unique path
1322	sub uniq_path {	1953	sub uniq_path {
1323	my ($self) = @_;	1954	my ($self) = @_;
1324		1955
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1957	"$UNIQUEDIR/$path"
1327	}	1958	}
1328		1959
1329	# and all this just because we cannot iterate over	1960	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	1961	my ($self) = @_;
1333		1962
1334	$_->change_map_light ($change)	1963	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	1964
		1965	$self->do_decay_objects;
1336	}	1966	}
1337		1967
1338	sub unlink_save {	1968	sub unlink_save {
1339	my ($self) = @_;	1969	my ($self) = @_;
1340		1970
…		…
1345		1975
1346	sub load_header_from($) {	1976	sub load_header_from($) {
1347	my ($self, $path) = @_;	1977	my ($self, $path) = @_;
1348		1978
1349	utf8::encode $path;	1979	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1981	or return;
		1982
		1983	$self->_load_header ($f)
		1984	or return;
		1985
		1986	local $MAP_LOADING{$self->{path}} = $self;
		1987	$f->resolve_delayed_derefs;
1355		1988
1356	$self->{load_path} = $path;	1989	$self->{load_path} = $path;
1357		1990
1358	1	1991	1
1359	}	1992	}
…		…
1398	$self->load_header_orig	2031	$self->load_header_orig
1399	or return;	2032	or return;
1400	$self->prepare_orig;	2033	$self->prepare_orig;
1401	}	2034	}
1402		2035
		2036	$self->{deny_reset} = 1
		2037	if $self->no_reset;
		2038
		2039	$self->default_region (cf::region::find_by_path $self->{path})
		2040	unless $self->default_region;
		2041
1403	1	2042	1
1404	}	2043	}
1405		2044
1406	sub find;	2045	sub find;
1407	sub find {	2046	sub find {
1408	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1409		2048
1410	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1411		2050
		2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2053
1414	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
1417	or return;	2056	or return;
1418		2057
1419	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
1420		2059
1421	$map->load_header	2060	$map->load_header
1422	or return;	2061	or return;
1423		2062
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2064	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1427	$map->reset;	2068	$map->reset;
1428	undef $guard;
1429	return find $path;	2069	return find $path;
1430	}	2070	}
1431		2071
1432	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
1433	}	2073	}
1434	}	2074	}
1435		2075
1436	sub pre_load { }	2076	sub pre_load { }
1437	sub post_load { }	2077	#sub post_load { } # XS
1438		2078
1439	sub load {	2079	sub load {
1440	my ($self) = @_;	2080	my ($self) = @_;
1441		2081
1442	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
1443		2083
1444	my $path = $self->{path};	2084	my $path = $self->{path};
		2085
		2086	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2087	my $guard = cf::lock_acquire "map_data:$path";
1446		2088
		2089	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2091
1449	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1450		2093
1451	$self->alloc;	2094	$self->alloc;
1452		2095
1453	$self->pre_load;	2096	$self->pre_load;
		2097	cf::cede_to_tick;
1454		2098
1455	$self->_load_objects ($self->{load_path}, 1)	2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
		2101	$self->_load_objects ($f)
1456	or return;	2102	or return;
1457		2103
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1459	if delete $self->{load_original};	2105	if delete $self->{load_original};
1460		2106
1461	if (my $uniq = $self->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2108	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2111	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1466	}	2115	}
1467	}	2116	}
1468		2117
1469	Coro::cede;	2118	$f->resolve_delayed_derefs;
1470		2119
		2120	cf::cede_to_tick;
1471	# now do the right thing for maps	2121	# now do the right thing for maps
1472	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2123	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2124	unless $self->difficulty;
1482	Coro::cede;	2125	cf::cede_to_tick;
		2126
		2127	unless ($self->{deny_activate}) {
		2128	$self->decay_objects;
		2129	$self->fix_auto_apply;
		2130	$self->update_buttons;
		2131	cf::cede_to_tick;
1483	$self->activate;	2132	$self->activate;
		2133	}
		2134
		2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
		2137
		2138	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2139	}
1485		2140
1486	$self->post_load;	2141	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2142	}
1490		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2147	sub customise_for {
1492	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
1493		2149
1494	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2151	if $self->per_player;
1496		2152
		2153	# return find "?party/" . $ob->name . "/" . $self->{path}
		2154	# if $self->per_party;
		2155
1497	$self	2156	$self
1498	}	2157	}
1499		2158
1500	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2160	sub load_neighbours {
1502	my ($map) = @_;	2161	my ($map) = @_;
1503		2162
1504	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1505		2164
1506	for (0 .. 3) {	2165	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1508	or next;	2167	or next;
1509	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1510	or next;	2169	or next;
1511	$neigh->load;	2170	$neigh->load;
1512		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2176	}
1516		2177
1517	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1519	or next;	2181	or next;
1520	$neigh->load;	2182	$neigh->load;
1521	}	2183	}
1522	}	2184	}
1523		2185
…		…
1528	}	2190	}
1529		2191
1530	sub do_load_sync {	2192	sub do_load_sync {
1531	my ($map) = @_;	2193	my ($map) = @_;
1532		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1533	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1534	}	2199	}
1535		2200
1536	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2202	our $MAP_PREFETCHER = undef;
1538		2203
1539	sub find_async {	2204	sub find_async {
1540	my ($path, $origin) = @_;	2205	my ($path, $origin, $load) = @_;
1541		2206
1542	$path = normalise $path, $origin && $origin->{path};	2207	$path = normalise $path, $origin && $origin->{path};
1543		2208
1544	if (my $map = $cf::MAP{$path}) {	2209	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2211	}
1547		2212
1548	undef $MAP_PREFETCH{$path};	2213	$MAP_PREFETCH{$path} |= $load;
		2214
1549	$MAP_PREFETCHER ||= cf::async {	2215	$MAP_PREFETCHER ||= cf::async {
		2216	$Coro::current->{desc} = "map prefetcher";
		2217
1550	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2220	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2221	$map->load if $v;
		2222	}
1555		2223
1556	delete $MAP_PREFETCH{$path};	2224	delete $MAP_PREFETCH{$k};
1557	}	2225	}
1558	}	2226	}
1559	undef $MAP_PREFETCHER;	2227	undef $MAP_PREFETCHER;
1560	};	2228	};
1561	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
1562		2230
1563	()	2231	()
1564	}	2232	}
1565		2233
		2234	# common code, used by both ->save and ->swapout
1566	sub save {	2235	sub _save {
1567	my ($self) = @_;	2236	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2237
1571	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
1572		2239
1573	return unless $self->dirty;	2240	return unless $self->dirty;
1574		2241
…		…
1580	return if $self->{deny_save};	2247	return if $self->{deny_save};
1581		2248
1582	local $self->{last_access} = $self->last_access;#d#	2249	local $self->{last_access} = $self->last_access;#d#
1583		2250
1584	cf::async {	2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2253	$_->contr->save for $self->players;
1586	};	2254	};
		2255
		2256	cf::get_slot 0.02;
1587		2257
1588	if ($uniq) {	2258	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2261	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2263	}
1594	}	2264	}
1595		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
1596	sub swap_out {	2274	sub swap_out {
1597	my ($self) = @_;	2275	my ($self) = @_;
1598		2276
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1604	return if $self->players;	2281	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1608	$self->clear;	2292	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2293	}
1611		2294
1612	sub reset_at {	2295	sub reset_at {
1613	my ($self) = @_;	2296	my ($self) = @_;
1614		2297
1615	# TODO: safety, remove and allow resettable per-player maps	2298	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2299	return 1e99 if $self->{deny_reset};
1618		2300
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2301	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2302	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2303
…		…
1632	my ($self) = @_;	2314	my ($self) = @_;
1633		2315
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2317
1636	return if $self->players;	2318	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2319
1639	warn "resetting map ", $self->path;#d#	2320	warn "resetting map ", $self->path, "\n";
1640		2321
1641	$self->in_memory (cf::MAP_SWAPPED);	2322	$self->in_memory (cf::MAP_SWAPPED);
1642		2323
1643	# need to save uniques path	2324	# need to save uniques path
1644	unless ($self->{deny_save}) {	2325	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2329	if $uniq;
1649	}	2330	}
1650		2331
1651	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
1652		2333
		2334	$self->deactivate;
		2335	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2336	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2337
1657	$self->unlink_save;	2338	$self->unlink_save;
1658	$self->destroy;	2339	$self->destroy;
1659	}	2340	}
1660		2341
1661	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
1662		2343
1663	sub nuke {	2344	sub nuke {
1664	my ($self) = @_;	2345	my ($self) = @_;
1665		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
1666	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
1667		2351
1668	$self->unlink_save;	2352	$self->unlink_save;
1669		2353
1670	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2359
1676	$cf::MAP{$self->path} = $self;	2360	$cf::MAP{$self->path} = $self;
		2361	}
1677		2362
1678	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
		2364	}
		2365
		2366	=item $maps = cf::map::tmp_maps
		2367
		2368	Returns an arrayref with all map paths of currently instantiated and saved
		2369	maps. May block.
		2370
		2371	=cut
		2372
		2373	sub tmp_maps() {
		2374	[
		2375	map {
		2376	utf8::decode $_;
		2377	/\.map$/
		2378	? normalise $_
		2379	: ()
		2380	} @{ aio_readdir $TMPDIR or [] }
		2381	]
		2382	}
		2383
		2384	=item $maps = cf::map::random_maps
		2385
		2386	Returns an arrayref with all map paths of currently instantiated and saved
		2387	random maps. May block.
		2388
		2389	=cut
		2390
		2391	sub random_maps() {
		2392	[
		2393	map {
		2394	utf8::decode $_;
		2395	/\.map$/
		2396	? normalise "?random/$_"
		2397	: ()
		2398	} @{ aio_readdir $RANDOMDIR or [] }
		2399	]
1679	}	2400	}
1680		2401
1681	=item cf::map::unique_maps	2402	=item cf::map::unique_maps
1682		2403
1683	Returns an arrayref of paths of all shared maps that have	2404	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2405	instantiated unique items. May block.
1685		2406
1686	=cut	2407	=cut
1687		2408
1688	sub unique_maps() {	2409	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2410	[
1690	or return;	2411	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2412	utf8::decode $_;
1696	next if /\.pst$/;	2413	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2415	? ()
1699	push @paths, cf::map::normalise $_;	2416	: normalise $_
		2417	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2418	]
1701
1702	\@paths
1703	}	2419	}
1704		2420
1705	package cf;	2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
1706		2452
1707	=back	2453	=back
1708		2454
1709	=head3 cf::object	2455	=head3 cf::object
1710		2456
…		…
1714		2460
1715	=over 4	2461	=over 4
1716		2462
1717	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
1718		2464
1719	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
1720		2467
1721	=cut	2468	=cut
1722		2469
1723	sub inv_recursive_;	2470	sub inv_recursive_;
1724	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
1727		2474
1728	sub inv_recursive {	2475	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
1730	}	2477	}
1731		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
1732	package cf;	2507	package cf;
1733		2508
1734	=back	2509	=back
1735		2510
1736	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2518	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
1745		2520
1746	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
1747		2536
1748	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2538	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
1753		2542
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2543	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2544
1756	if ($self->{record_replies}) {	2545	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2546	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2547
1758	} else {	2548	} else {
		2549	my $pl = $self->contr;
		2550
		2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2552	my $dialog = $pl->{npc_dialog};
		2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2554
		2555	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2558	}
1761	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
1762	}	2570	}
1763		2571
1764	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
1765		2573
1766	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
1779		2587
1780	=item $player_object->enter_link	2588	=item $player_object->enter_link
1781		2589
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2591
1784	The player should be reasonably safe there for short amounts of time. You	2592	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
1786		2596
1787	Will never block.	2597	Will never block.
1788		2598
1789	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
1790		2600
…		…
1810	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2621	my ($self) = @_;
1812		2622
1813	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
1814		2624
		2625	++$self->{_link_recursion};
		2626
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2628
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2630	if $self->map && $self->map->{path} ne "{link}";
1819		2631
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2633	}
1822		2634
1823	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
		2637
		2638	return unless $self->contr->active;
1825		2639
1826	my $link_pos = delete $self->{_link_pos};	2640	my $link_pos = delete $self->{_link_pos};
1827		2641
1828	unless ($map) {	2642	unless ($map) {
1829	# restore original map position	2643	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
1842		2656
1843	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
1846		2660
1847	$map->load;	2661	$map->load;
1848	$map->load_diag;	2662	$map->load_neighbours;
1849		2663
1850	return unless $self->contr->active;	2664	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2665
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
1855	}	2668	# entering was successful
1856		2669	delete $self->{_link_recursion};
1857	cf::player->attach (	2670	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2671	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2672	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2673
1871	# try to abort aborted map switching on player login :)	2674	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2675
1889	=item $player_object->goto ($path, $x, $y)	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2677
		2678	Moves the player to the given map-path and coordinates by first freezing
		2679	her, loading and preparing them map, calling the provided $check callback
		2680	that has to return the map if sucecssful, and then unfreezes the player on
		2681	the new (success) or old (failed) map position. In either case, $done will
		2682	be called at the end of this process.
		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
		2686
1891	=cut	2687	=cut
		2688
		2689	our $GOTOGEN;
1892		2690
1893	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
		2699
		2700	# do generation counting so two concurrent goto's will be executed in-order
		2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2702
1896	$self->enter_link;	2703	$self->enter_link;
1897		2704
1898	(async {	2705	(async {
		2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
1899	my $map = eval {	2727	my $map = eval {
1900	my $map = cf::map::find $path;	2728	my $map = defined $path ? cf::map::find $path : undef;
		2729
		2730	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2731	$map = $map->customise_for ($self);
		2732	$map = $check->($map, $x, $y, $self) if $check && $map;
		2733	} else {
		2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736
1902	$map	2737	$map
		2738	};
		2739
		2740	if ($@) {
		2741	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2743	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2744
		2745	if ($gen == $self->{_goto_generation}) {
		2746	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
		2748	}
		2749
		2750	$done->($self) if $done;
1907	})->prio (1);	2751	})->prio (1);
1908	}	2752	}
1909		2753
1910	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
1911		2755
…		…
1931	}	2775	}
1932		2776
1933	sub prepare_random_map {	2777	sub prepare_random_map {
1934	my ($exit) = @_;	2778	my ($exit) = @_;
1935		2779
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2780	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2781	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2782	# that depends on the exit object
1941		2783
1942	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2786	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2787	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
1949	}	2793	}
1950		2794
1951	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
1952		2796
1953	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2799	my $meta = "$RANDOMDIR/$md5.meta";
1956		2800
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2803	undef $fh;
1960	aio_rename "$meta~", $meta;	2804	aio_rename "$meta~", $meta;
1961		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
1964	}	2812	}
1965	}	2813	}
1966		2814
1967	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
1969		2817
1970	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
1971		2819
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2820	$self->enter_link;
1982		2821
1983	(async {	2822	(async {
1984	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
1985	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
		2832	prepare_random_map $exit
		2833	if $exit->slaying eq "/!";
		2834	}
		2835
		2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
		2839
1986	$self->goto ($slaying, $hp, $sp);	2840	$self->goto ($map, $x, $y);
1987		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
1988	1;	2846	1
1989	}) {	2847	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2852
1995	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2854	$self->leave_link;
1997	}	2855	}
1998	})->prio (1);	2856	})->prio (1);
…		…
2014		2872
2015	utf8::encode $text;	2873	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2875	}
2018		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2903
		2904	Send a drawinfo or msg packet to the client, formatting the msg for the
		2905	client if neccessary. C<$type> should be a string identifying the type of
		2906	the message, with C<log> being the default. If C<$color> is negative, suppress
		2907	the message unless the client supports the msg packet.
		2908
		2909	=cut
		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
		3025	sub cf::client::send_msg {
		3026	my ($self, $channel, $msg, $color, @extra) = @_;
		3027
		3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
		3030
		3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3032
		3033	# check predefined channels, for the benefit of C
		3034	if ($CHANNEL{$channel}) {
		3035	$channel = $CHANNEL{$channel};
		3036
		3037	$self->ext_msg (channel_info => $channel);
		3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
		3045	}
		3046
		3047	$channel = $channel->{id};
		3048	}
		3049
		3050	return unless @extra || length $msg;
		3051
		3052	# default colour, mask it out
		3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3054	if $color & cf::NDI_DEF;
		3055
		3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
		3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3059	);
		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
		3064	=item $client->ext_msg ($type, @msg)
		3065
		3066	Sends an ext event to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_msg($$@) {
		3071	my ($self, $type, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
		3076	push @msg, msgtype => "event_$type";
		3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
		3097	}
2019		3098
2020	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2021		3100
2022	Queues a query to the client, calling the given callback with	3101	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3102	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3103	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3104
2026	Queries can fail, so check the return code. Or don't, as queries will become	3105	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3106	become reliable at some point in the future.
2028		3107
2029	=cut	3108	=cut
2030		3109
2031	sub cf::client::query {	3110	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3111	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3119	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3120	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3121
2043	$self->send_packet ($self->{query_queue}[0][0])	3122	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3123	if @{ $self->{query_queue} } == 1;
		3124
		3125	1
2045	}	3126	}
2046		3127
2047	cf::client->attach (	3128	cf::client->attach (
		3129	on_connect => sub {
		3130	my ($ns) = @_;
		3131
		3132	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3133	},
2048	on_reply => sub {	3134	on_reply => sub {
2049	my ($ns, $msg) = @_;	3135	my ($ns, $msg) = @_;
2050		3136
2051	# this weird shuffling is so that direct followup queries	3137	# this weird shuffling is so that direct followup queries
2052	# get handled first	3138	# get handled first
…		…
2064	} else {	3150	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3151	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3152	}
2067	}	3153	}
2068	},	3154	},
		3155	on_exticmd => sub {
		3156	my ($ns, $buf) = @_;
		3157
		3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3159
		3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
		3168	if (my $cb = $EXTICMD{$type}) {
		3169	@reply = $cb->($ns, @payload);
		3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
		3175	} else {
		3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3177	}
		3178
		3179	cf::override;
		3180	},
2069	);	3181	);
2070		3182
2071	=item $client->async (\&cb)	3183	=item $client->async (\&cb)
2072		3184
2073	Create a new coroutine, running the specified callback. The coroutine will	3185	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3201
2090	$coro	3202	$coro
2091	}	3203	}
2092		3204
2093	cf::client->attach (	3205	cf::client->attach (
2094	on_destroy => sub {	3206	on_client_destroy => sub {
2095	my ($ns) = @_;	3207	my ($ns) = @_;
2096		3208
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3210	},
2099	);	3211	);
…		…
2114	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2116		3228
2117	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2118		3230
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2120		3236
2121	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2122		3238
2123	=pod	3239	=pod
2124		3240
2125	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2126		3242
2127	cf::object contr pay_amount pay_player map	3243	cf::object
		3244	contr pay_amount pay_player map x y force_find force_add destroy
		3245	insert remove name archname title slaying race decrease split
		3246	value
		3247
2128	cf::object::player player	3248	cf::object::player
2129	cf::player peaceful	3249	player
2130	cf::map trigger	3250
		3251	cf::player
		3252	peaceful
		3253
		3254	cf::map
		3255	trigger
2131		3256
2132	=cut	3257	=cut
2133		3258
2134	for (	3259	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2139	) {	3266	) {
2140	no strict 'refs';	3267	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2160		3287
2161	my $qcode = $code;	3288	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2164		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2165	local $_;	3295	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3296
2168	my $eval =	3297	my $eval =
2169	"do {\n"	3298	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3301	. $code
2173	. "\n}"	3302	. "\n}"
2174	;	3303	;
2175		3304
		3305	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2179		3314
2180	if ($@) {	3315	if ($@) {
2181	warn "$@";	3316	warn "$@";
2182	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2183	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2202	=cut	3337	=cut
2203		3338
2204	sub register_script_function {	3339	sub register_script_function {
2205	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2206		3341
2207	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2209	}	3344	}
2210		3345
2211	=back	3346	=back
2212		3347
2213	=cut	3348	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3349
2287	#############################################################################	3350	#############################################################################
2288	# the server's init and main functions	3351	# the server's init and main functions
2289		3352
2290	sub load_facedata {	3353	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3354	my ($path) = @_;
		3355
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3361
2293	warn "loading facedata from $path\n";	3362	warn "loading facedata from $path\n";
2294		3363
2295	my $faces;	3364	my $facedata;
2296	0 < aio_load $path, $faces	3365	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3366	or die "$path: $!";
2298		3367
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3368	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3369
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3370	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3372
		3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3375	$facedata->{resource}{"res/exp_table"} = {
		3376	type => FT_RSRC,
		3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
		3379	};
		3380	cf::cede_to_tick;
		3381
		3382	{
		3383	my $faces = $facedata->{faceinfo};
		3384
2307	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387
		3388	cf::face::set_visibility $idx, $info->{visibility};
		3389	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;
2313	}
2314		3392
		3393	cf::cede_to_tick;
		3394	}
		3395
2315	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3397	next unless $info->{smooth};
		3398
2317	my $idx = cf::face::find $face	3399	my $idx = cf::face::find $face
2318	or next;	3400	or next;
		3401
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3402	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3403	cf::face::set_smooth $idx, $smooth;
		3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3405	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3407	}
2324	Coro::cede;	3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
2325	}	3413	{
		3414	my $anims = $facedata->{animinfo};
		3415
		3416	while (my ($anim, $info) = each %$anims) {
		3417	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3418	cf::cede_to_tick;
		3419	}
		3420
		3421	cf::anim::invalidate_all; # d'oh
		3422	}
		3423
		3424	{
		3425	my $res = $facedata->{resource};
		3426
		3427	while (my ($name, $info) = each %$res) {
		3428	if (defined $info->{type}) {
		3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3432	cf::face::set_type $idx, $info->{type};
		3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
		3436
		3437	cf::cede_to_tick;
		3438	}
		3439	}
		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3442
2327	1	3443	1
2328	}	3444	}
2329		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
		3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
		3489	load_resource_file "$MAPDIR/regions"
		3490	or die "unable to load regions file\n";
		3491
		3492	for (cf::region::list) {
		3493	$_->{match} = qr/$_->{match}/
		3494	if exists $_->{match};
		3495	}
		3496	}
		3497
		3498	sub reload_facedata {
		3499	load_facedata "$DATADIR/facedata"
		3500	or die "unable to load facedata\n";
		3501	}
		3502
		3503	sub reload_archetypes {
		3504	load_resource_file "$DATADIR/archetypes"
		3505	or die "unable to load archetypes\n";
		3506	}
		3507
		3508	sub reload_treasures {
		3509	load_resource_file "$DATADIR/treasures"
		3510	or die "unable to load treasurelists\n";
		3511	}
		3512
2330	sub reload_resources {	3513	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3514	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3515
2333	load_facedata	3516	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3517	reload_archetypes;
2335	}
2336
2337	sub init {
2338	reload_resources;	3518	reload_regions;
2339	}	3519	reload_treasures;
2340		3520
2341	sub cfg_load {	3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub reload_config {
		3525	warn "reloading config file...\n";
		3526
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3528	or return;
2344		3529
2345	local $/;	3530	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2347		3532
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3534
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3537
2353	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2356	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2357	};	3542	};
2358	warn $@ if $@;	3543	warn $@ if $@;
2359	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2360	}	3575	}
2361		3576
2362	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2363	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3590	(async {
2367	Event::one_event;	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
2369	};	3594	};
2370		3595
2371	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
		3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
2372	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2373	load_extensions;	3619	load_extensions;
2374		3620
2375	$TICK_WATCHER->start;	3621	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2377	}	3634	}
2378		3635
2379	#############################################################################	3636	#############################################################################
2380	# initialisation and cleanup	3637	# initialisation and cleanup
2381		3638
2382	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2383	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
2392	},
2393	);	3645	};
		3646	}
		3647	}
		3648
		3649	sub write_runtime_sync {
		3650	my $t0 = AE::time;
		3651
		3652	# first touch the runtime file to show we are still running:
		3653	# the fsync below can take a very very long time.
		3654
		3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3656
		3657	my $guard = cf::lock_acquire "write_runtime";
		3658
		3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3660	or return;
		3661
		3662	my $value = $cf::RUNTIME + 90 + 10;
		3663	# 10 is the runtime save interval, for a monotonic clock
		3664	# 60 allows for the watchdog to kill the server.
		3665
		3666	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3667	and return;
		3668
		3669	# always fsync - this file is important
		3670	aio_fsync $fh
		3671	and return;
		3672
		3673	# touch it again to show we are up-to-date
		3674	aio_utime $fh, undef, undef;
		3675
		3676	close $fh
		3677	or return;
		3678
		3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3680	and return;
		3681
		3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3683
2394	}	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2395	}	3735	}
2396		3736
2397	sub emergency_save() {	3737	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2399		3739
2400	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2401		3741
2402	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2403	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3756	$pl->save;
2411	}	3757	}
2412	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2413		3759
2414	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3763	$map->valid or next;
2418	$map->save;	3764	$map->save;
2419	}	3765	}
2420	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
2421		3767
2422	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2425	};	3775	};
2426		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2427	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2428	}	3783	}
2429		3784
2430	sub post_cleanup {	3785	sub post_cleanup {
2431	my ($make_core) = @_;	3786	my ($make_core) = @_;
2432		3787
2433	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3789	if $make_core;
2435	}
2436		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
		3818	}
		3819
2437	sub reload() {	3820	sub do_reload_perl() {
2438	# can/must only be called in main	3821	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2440	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
2441	return;	3824	return;
2442	}	3825	}
2443		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2444	warn "reloading...";	3832	warn "reloading...";
2445		3833
2446	warn "entering sync_job";	3834	warn "entering sync_job";
2447		3835
2448	cf::sync_job {	3836	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3838	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
2452		3840
2453	warn "syncing database to disk";	3841	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3843
2456	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2457		3845
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";	3846	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
2469	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();
2477
2478	warn "removing commands";
2479	%COMMAND = ();
2480
2481	warn "removing ext commands";
2482	%EXTCMD = ();
2483
2484	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";
2487
2488	if (my $cb = $pkg->can ("unload")) {
2489	eval {
2490	$cb->($pkg);
2491	1
2492	} or warn "$pkg unloaded, but with errors: $@";
2493	}	3849	}
2494		3850
2495	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
2496	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
2497	}	3853	%EXT_CORO = ();
2498		3854
2499	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
2500	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
2503	warn "... unloading $k";	3864	warn "... unloading $pkg";
2504	delete $INC{$k};
2505		3865
2506	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;
2508
2509	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
2510	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
2511	}	3875	}
2512		3876
2513	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
2514	}	3892	}
2515		3893
2516	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3897
2520	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
		3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		3901
2523	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3903	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
2526		3905
2527	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
2528		3907
2529	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
2530	require cf;	3909	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
2532		3911
2533	warn "loading config and database again";	3912	warn "loading config and database again";
2534	cf::cfg_load;	3913	cf::reload_config;
2535		3914
2536	warn "loading extensions";	3915	warn "loading extensions";
2537	cf::load_extensions;	3916	cf::load_extensions;
2538		3917
		3918	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
2545		3926
2546	warn "loading reloadable resources";	3927	warn "running post_init jobs";
2547	reload_resources;	3928	(pop @POST_INIT)->(1) while @POST_INIT;
2548		3929
2549	warn "leaving sync_job";	3930	warn "leaving sync_job";
2550		3931
2551	1	3932	1
2552	} or do {	3933	} or do {
2553	warn $@;	3934	warn $@;
2554	warn "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3936	};
		3937
		3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
		3944	};
		3945
		3946	our $RELOAD_WATCHER; # used only during reload
		3947
		3948	sub reload_perl() {
		3949	# doing reload synchronously and two reloads happen back-to-back,
		3950	# coro crashes during coro_state_free->destroy here.
		3951
		3952	$RELOAD_WATCHER ||= cf::async {
		3953	Coro::AIO::aio_wait cache_extensions;
		3954
		3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3956	do_reload_perl;
		3957	undef $RELOAD_WATCHER;
		3958	};
2556	};	3959	};
2557		3960	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3961
2563	register_command "reload" => sub {	3962	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
2565		3964
2566	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3966	$who->message ("reloading server.");
2568		3967	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3968	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3969	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3970	};
2581	}	3971	}
2582	};	3972	};
2583		3973
2584	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
2585		3975
2586	my $bug_warning = 0;	3976	my $bug_warning = 0;
2587		3977
2588	$TICK_WATCHER = Event->timer (	3978	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3979	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3980
2591	prio => 0,	3981	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3983
2594	cb => sub {	3984	my $signal = new Coro::Signal;
		3985	push @WAIT_FOR_TICK, $signal;
		3986	$signal->wait;
		3987	}
		3988
		3989	sub wait_for_tick_begin {
		3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3991
		3992	my $signal = new Coro::Signal;
		3993	push @WAIT_FOR_TICK_BEGIN, $signal;
		3994	$signal->wait;
		3995	}
		3996
		3997	sub tick {
2595	if ($Coro::current != $Coro::main) {	3998	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
2598	return;	4001	return;
2599	}	4002	}
2600		4003
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4005
		4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4007
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4010	Coro::async_pool {
		4011	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4012	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4013	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4014	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	4015	}
2627	);	4016
		4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4018	$sig->send;
		4019	}
		4020	while (my $sig = shift @WAIT_FOR_TICK) {
		4021	$sig->send;
		4022	}
		4023
		4024	$LOAD = ($NOW - $TICK_START) / $TICK;
		4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4026
		4027	if (0) {
		4028	if ($NEXT_TICK) {
		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
		4033	}
		4034	}
2628		4035
2629	{	4036	{
2630	BDB::max_poll_time $TICK * 0.1;	4037	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4038
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4039	BDB::min_parallel 16;
2640		4040	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4041	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4042
2656	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4050
2659	cf::sync_job {	4051	cf::sync_job {
2660	eval {	4052	eval {
2661	BDB::db_env_open	4053	BDB::db_env_open
2662	$DB_ENV,	4054	$DB_ENV,
2663	$BDB_ENV_DIR,	4055	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4058	0666;
2667		4059
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4060	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4061	};
2673		4062
2674	cf::cleanup "db_env_open(db): $@" if $@;	4063	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4064	};
2676	}	4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
2677	}	4076	}
2678		4077
2679	{	4078	{
		4079	# configure IO::AIO
		4080
2680	IO::AIO::min_parallel 8;	4081	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4082	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4083	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4084	}
		4085
		4086	my $_log_backtrace;
		4087
		4088	sub _log_backtrace {
		4089	my ($msg, @addr) = @_;
		4090
		4091	$msg =~ s/\n//;
		4092
		4093	# limit the # of concurrent backtraces
		4094	if ($_log_backtrace < 2) {
		4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
		4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
		4100	my @bt = fork_call {
		4101	@addr = map { sprintf "%x", $_ } @addr;
		4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4104	or die "addr2line: $!";
		4105
		4106	my @funcs;
		4107	my @res = <$fh>;
		4108	chomp for @res;
		4109	while (@res) {
		4110	my ($func, $line) = splice @res, 0, 2, ();
		4111	push @funcs, "[$func] $line";
		4112	}
		4113
		4114	@funcs
		4115	};
		4116
		4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4119	LOG llevInfo, "[ABT] $_\n" for @bt;
		4120	--$_log_backtrace;
		4121	};
		4122	} else {
		4123	LOG llevInfo, "[ABT] $msg\n";
		4124	LOG llevInfo, "[ABT] [suppressed]\n";
		4125	}
		4126	}
		4127
		4128	# load additional modules
		4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
2693		4131
2694	END { cf::emergency_save }	4132	END { cf::emergency_save }
2695		4133
2696	1	4134	1
2697		4135

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