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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.530 by root, Wed Apr 28 21:05:33 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		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; # unused
		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 = 1;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
71		130
72	our %CFG;	131	our %CFG;
73		132
74	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
76		136
77	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		140
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REALLY_UNLOOP; # never set to true, please :)
		153
86	binmode STDOUT;	154	binmode STDOUT;
87	binmode STDERR;	155	binmode STDERR;
88		156
89	# read virtual server time, if available	157	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
94	}	162	}
95		163
96	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	165
98	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		168
103	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
104		170
105	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::"} };
106		187
107	#############################################################################	188	#############################################################################
108		189
109	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
110		191
…		…
117	=item $cf::RUNTIME	198	=item $cf::RUNTIME
118		199
119	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
120	every server tick.	201	every server tick.
121		202
122	=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
123		206
124	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		211
127	=item $cf::NOW	212	=item $cf::NOW
128		213
129	The time of the last (current) server tick.	214	The time of the last (current) server tick.
130		215
131	=item $cf::TICK	216	=item $cf::TICK
132		217
133	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	230	=item %cf::CFG
136		231
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	233	from wherever your confdir points to.
139		234
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		236
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		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		259
154	$msg .= "\n"	260	$msg .= "\n"
155	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
156		262
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		264
159	utf8::encode $msg;
160	LOG llevError, $msg;	265	LOG llevError, $msg;
161	};	266	};
162	}	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	};
163		281
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		289
171	# 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
172	# within the Safe compartment.	291	# within the Safe compartment.
173	for my $pkg (qw(	292	for my $pkg (qw(
174	cf::global cf::attachable	293	cf::global cf::attachable
175	cf::object cf::object::player	294	cf::object cf::object::player
176	cf::client cf::player	295	cf::client cf::player
177	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
178	cf::map cf::party cf::region	298	cf::party cf::region
179	)) {	299	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	301	}
183		302
184	$Event::DIED = sub {	303	$EV::DIED = sub {
185	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
186	};	305	};
		306
		307	#############################################################################
187		308
188	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
189		310
190	=over 4	311	=over 4
191		312
…		…
210	$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;
211	$d	332	$d
212	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
213	}	334	}
214		335
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
218		337
219	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
220		339
221	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
222		341
223	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	365	=item cf::lock_wait $string
226		366
227	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
228		368
229	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
230		370
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
234	returned.	374	returned.
235		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
236	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
237	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
238		381
239	=cut	382	=item $locked = cf::lock_active $string
240		383
241	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
242		389
243	sub lock_wait($) {	390	sub lock_wait($) {
244	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	392	}
252		393
253	sub lock_acquire($) {	394	sub lock_acquire($) {
254	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
255		397
256	# wait, to be sure we are not locked	398	sub lock_active($) {
257	lock_wait $key;	399	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	400	}
266		401
267	sub freeze_mainloop {	402	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
269		404
270	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
272	};	472	}
273	$TICK_WATCHER->stop;	473	};
274	$guard	474
		475	sub get_slot($;$$) {
		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	$sig->wait;
275	}	488	}
276		489
277	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
278		491
279	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		497
285	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
286		499
287	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
288		501
289	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
292		506
293	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
296	fast or be very important.	510	fast or be very important.
…		…
299		513
300	sub sync_job(&) {	514	sub sync_job(&) {
301	my ($job) = @_;	515	my ($job) = @_;
302		516
303	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
304	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
306		522
307	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	524
309	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
310		526
311	my $busy = 1;	527	my $busy = 1;
312	my @res;	528	my @res;
313		529
314	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	532	@res = eval { $job->() };
316	warn $@ if $@;	533	warn $@ if $@;
317	undef $busy;	534	undef $busy;
318	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
319		536
320	while ($busy) {	537	while ($busy) {
321	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
322	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
323		548
324	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
325	} else {	550	} else {
326	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
327		552
…		…
347	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
348		573
349	$coro	574	$coro
350	}	575	}
351		576
352	sub write_runtime {	577	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		578
355	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.
356		583
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	584	=cut
358	or return;
359		585
360	my $value = $cf::RUNTIME + 90 + 10;	586	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	587	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		588
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	589	# we seemingly have to make a local copy of the whole thing,
365	and return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
366		592
367	# always fsync - this file is important	593	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	594	reset_signals;
369	and return;	595	&$cb
		596	}, @args;
370		597
371	close $fh	598	wantarray ? @res : $res[-1]
372	or return;	599	}
373		600
374	aio_rename "$runtime~", $runtime	601	sub objinfo {
375	and return;
376
377	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"
378	}	764	}
379		765
380	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
381		767
382	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.
…		…
394		780
395	#############################################################################	781	#############################################################################
396		782
397	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
398		784
399	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
400	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")
401	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
402		788
403	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>
404	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
405	crossfire+).	791	Deliantra).
406		792
407	=over 4	793	=over 4
408		794
409	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
410		796
…		…
454	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
455		841
456	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
458		844
459	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		847
462	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
463		849
464	=over 4	850	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
574		960
575	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		965
580	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	967	my $pkg = shift @arg;
582		968
583	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
613	}	999	}
614		1000
615	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
616	} else {	1002	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	1004	}
619		1005
620	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
621	}	1007	}
622		1008
…		…
624	if (ref $_[0]) {	1010	if (ref $_[0]) {
625	_object_attach @_;	1011	_object_attach @_;
626	} else {	1012	} else {
627	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
628	}	1014	}
		1015	_recalc_want;
629	};	1016	};
630		1017
631	# all those should be optimised	1018	# all those should be optimised
632	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1024	reattach ($obj);
638	} else {	1025	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
640	}	1027	}
		1028	_recalc_want;
641	};	1029	};
642		1030
643	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
645		1033
…		…
660	";	1048	";
661	die if $@;	1049	die if $@;
662	}	1050	}
663		1051
664	our $override;	1052	our $override;
665	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?
666		1054
667	sub override {	1055	sub override {
668	$override = 1;	1056	$override = 1;
669	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
670	}	1058	}
671		1059
672	sub do_invoke {	1060	sub do_invoke {
673	my $event = shift;	1061	my $event = shift;
674	my $callbacks = shift;	1062	my $callbacks = shift;
675		1063
676	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
677		1065
678	local $override;	1066	local $override;
679		1067
680	for (@$callbacks) {	1068	for (@$callbacks) {
681	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
690	}	1078	}
691		1079
692	0	1080	0
693	}	1081	}
694		1082
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1084
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1086
699	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
700		1088
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1092
705	=back	1093	=back
706		1094
707	=cut	1095	=cut
708		1096
709	#############################################################################	1097	#############################################################################
710	# 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, $ob2
		1140	}
711		1141
712	sub reattach {	1142	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1144	my ($obj) = @_;
715		1145
		1146	# no longer needed after getting rid of delete_package?
716	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
717		1148
718	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
719		1150
720	@$registry = ();	1151	@$registry = ();
721		1152
…		…
736	cf::attachable->attach (	1167	cf::attachable->attach (
737	prio => -1000000,	1168	prio => -1000000,
738	on_instantiate => sub {	1169	on_instantiate => sub {
739	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
740		1171
741	$data = from_json $data;	1172	$data = decode_json $data;
742		1173
743	for (@$data) {	1174	for (@$data) {
744	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
745		1176
746	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1193	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
764		1195
765	sync_job {	1196	sync_job {
766	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
769		1202
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1210	aio_close $fh;
775		1211
776	if (@$objs) {	1212	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1221	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
784	}	1223	}
785	} else {	1224	} else {
786	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
787	}	1226	}
788		1227
789	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1232	} else {
791	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
792	}	1234	}
793	} else {	1235	} else {
794	aio_unlink $filename;	1236	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
796	}	1238	}
797	}	1239	};
798	}	1240	}
799		1241
800	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
802		1244
…		…
814	or return;	1256	or return;
815		1257
816	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
818	or return;	1260	or return;
		1261
819	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
820	}	1264	}
821		1265
		1266	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
824	return ($data, $av);	1271	($data, $av)
825	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
826		1279
827	#############################################################################	1280	#############################################################################
828	# command handling &c	1281	# command handling &c
829		1282
830	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1297	}
845		1298
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1300
848	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.
849		1306
850	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
851	called.	1308	called.
852		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
853	=cut	1321	=cut
854		1322
855	sub register_extcmd {	1323	sub register_extcmd {
856	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
857		1325
858	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
859	}	1327	}
860		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
861	cf::player->attach (	1337	cf::player->attach (
862	on_command => sub {	1338	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
864		1340
865	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
866	or return;	1342	or return;
867		1343
…		…
872	cf::override;	1348	cf::override;
873	},	1349	},
874	on_extcmd => sub {	1350	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
876		1352
877	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1354
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
885	} else {	1370	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1372	}
888		1373
889	cf::override;	1374	cf::override;
890	},	1375	},
891	);	1376	);
892		1377
		1378	# "readahead" all extensions
893	sub load_extension {	1379	sub cache_extensions {
894	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
895		1381
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1385	}
921	die $@;
922	}	1386	};
923		1387
924	push @EXTS, $pkg;	1388	$grp
925	}	1389	}
926		1390
927	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
928	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1396	next unless -r $path;
930	eval {	1397
931	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 $active;
		1460	}
932	1	1461	}
933	} or warn "$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	}
934	}	1472	};
935	}	1473	}
936		1474
937	#############################################################################	1475	#############################################################################
938		1476
		1477	=back
		1478
939	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
940		1480
941	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
942		1482
943	=cut	1483	=cut
944		1484
945	package cf::player;	1485	package cf::player;
946		1486
…		…
948		1488
949	=head3 cf::player	1489	=head3 cf::player
950		1490
951	=over 4	1491	=over 4
952		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
953	=item cf::player::find $login	1507	=item cf::player::find $login
954		1508
955	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
956		1510
957	=cut	1511	=cut
958		1512
959	sub playerdir($) {	1513	sub playerdir($) {
960	cf::localdir	1514	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1516	}
966		1517
967	sub path($) {	1518	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1529
979	sub exists($) {	1530	sub exists($) {
980	my ($login) = @_;	1531	my ($login) = @_;
981		1532
982	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
984	}	1535	}
985		1536
986	sub find($) {	1537	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1539	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
999		1550
1000	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1003	}	1560	}
1004	}	1561	}
1005	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($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	);
1006		1576
1007	sub save($) {	1577	sub save($) {
1008	my ($pl) = @_;	1578	my ($pl) = @_;
1009		1579
1010	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1016		1586
1017	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1021	Coro::cede;	1596	cf::cede_to_tick;
1022	}	1597	}
1023		1598
1024	sub new($) {	1599	sub new($) {
1025	my ($login) = @_;	1600	my ($login) = @_;
1026		1601
…		…
1032	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1033		1608
1034	$self	1609	$self
1035	}	1610	}
1036		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
1037	=item $pl->quit_character	1622	=item $pl->quit_character
1038		1623
1039	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1041		1626
…		…
1045	my ($pl) = @_;	1630	my ($pl) = @_;
1046		1631
1047	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1048		1633
1049	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1050	$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
1051		1636
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1056		1642
1057	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1674	while and may block, so not sync_job-capable, ever.
1089		1675
1090	=cut	1676	=cut
1091		1677
1092	sub list_logins {	1678	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1679	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1680	or return [];
1095		1681
1096	my @logins;	1682	my @logins;
1097		1683
1098	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1102		1694
1103	utf8::decode $login;	1695	utf8::decode $login;
1104	push @logins, $login;	1696	push @logins, $login;
1105	}	1697	}
1106		1698
1107	\@logins	1699	\@logins
1108	}	1700	}
1109		1701
1110	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1111		1705
1112	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1113	player. May block.	1707	player. May block.
1114		1708
1115	=cut	1709	=cut
…		…
1133	}	1727	}
1134		1728
1135	\@paths	1729	\@paths
1136	}	1730	}
1137		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1138	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1139		1737
1140	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1141		1739
1142	=cut	1740	=cut
1143		1741
1144	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1146		1744
1147	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1746	}
1151		1747
1152	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1153		1749
1154	Sends an ext event to the client.	1750	Sends an ext event to the client.
1155		1751
1156	=cut	1752	=cut
1157		1753
1158	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1160		1756
1161	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1162	}	1758	}
1163		1759
1164	=head3 cf::region	1760	=head3 cf::region
1165		1761
1166	=over 4	1762	=over 4
…		…
1169		1765
1170	package cf::region;	1766	package cf::region;
1171		1767
1172	=item cf::region::find_by_path $path	1768	=item cf::region::find_by_path $path
1173		1769
1174	Tries to decuce the probable region for a map knowing only its path.	1770	Tries to decuce the likely region for a map knowing only its path.
1175		1771
1176	=cut	1772	=cut
1177		1773
1178	sub find_by_path($) {	1774	sub find_by_path($) {
1179	my ($path) = @_;	1775	my ($path) = @_;
1180		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
1181	my ($match, $specificity);	1779	my ($match, $specificity);
1182		1780
1183	for my $region (list) {	1781	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1782	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1783	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1784	if $region->specificity > $specificity;
1187	}	1785	}
1188	}	1786	}
1189		1787
…		…
1210	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1212		1810
1213	sub generate_random_map {	1811	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1215	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1817	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1245		1846
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1848	}
1248		1849
1249	# also paths starting with '/'	1850	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1852
1252	sub thawer_merge {	1853	sub thawer_merge {
1253	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1254		1855
1255	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
1256	local $self->{path};	1857	local $self->{path};
1257	local $self->{load_path};	1858	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1859
1261	$self->SUPER::thawer_merge ($merge);	1860	$self->SUPER::thawer_merge ($merge);
1262	}	1861	}
1263		1862
1264	sub normalise {	1863	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1312	return $self;	1911	return $self;
1313	}	1912	}
1314	}	1913	}
1315		1914
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1916	()
1318	}	1917	}
1319		1918
1320	sub init {	1919	sub init {
1321	my ($self) = @_;	1920	my ($self) = @_;
…		…
1336		1935
1337	# the original (read-only) location	1936	# the original (read-only) location
1338	sub load_path {	1937	sub load_path {
1339	my ($self) = @_;	1938	my ($self) = @_;
1340		1939
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1940	"$MAPDIR/$self->{path}.map"
1342	}	1941	}
1343		1942
1344	# the temporary/swap location	1943	# the temporary/swap location
1345	sub save_path {	1944	sub save_path {
1346	my ($self) = @_;	1945	my ($self) = @_;
1347		1946
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1948	"$TMPDIR/$path.map"
1350	}	1949	}
1351		1950
1352	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1353	sub uniq_path {	1952	sub uniq_path {
1354	my ($self) = @_;	1953	my ($self) = @_;
1355		1954
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1956	"$UNIQUEDIR/$path"
1358	}	1957	}
1359		1958
1360	# and all this just because we cannot iterate over	1959	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1960	my ($self) = @_;
1364		1961
1365	$_->change_map_light ($change)	1962	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1963
		1964	$self->do_decay_objects;
1367	}	1965	}
1368		1966
1369	sub unlink_save {	1967	sub unlink_save {
1370	my ($self) = @_;	1968	my ($self) = @_;
1371		1969
…		…
1376		1974
1377	sub load_header_from($) {	1975	sub load_header_from($) {
1378	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1379		1977
1380	utf8::encode $path;	1978	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1386		1987
1387	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1388		1989
1389	1	1990	1
1390	}	1991	}
…		…
1429	$self->load_header_orig	2030	$self->load_header_orig
1430	or return;	2031	or return;
1431	$self->prepare_orig;	2032	$self->prepare_orig;
1432	}	2033	}
1433		2034
		2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
		2037
1434	$self->default_region (cf::region::find_by_path $self->{path})	2038	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2039	unless $self->default_region;
1436		2040
1437	1	2041	1
1438	}	2042	}
…		…
1441	sub find {	2045	sub find {
1442	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1443		2047
1444	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1445		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2052
1448	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1451	or return;	2055	or return;
1452		2056
1453	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1454		2058
1455	$map->load_header	2059	$map->load_header
1456	or return;	2060	or return;
1457		2061
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1461	$map->reset;	2067	$map->reset;
1462	undef $guard;
1463	return find $path;	2068	return find $path;
1464	}	2069	}
1465		2070
1466	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1467	}	2072	}
1468	}	2073	}
1469		2074
1470	sub pre_load { }	2075	sub pre_load { }
1471	sub post_load { }	2076	#sub post_load { } # XS
1472		2077
1473	sub load {	2078	sub load {
1474	my ($self) = @_;	2079	my ($self) = @_;
1475		2080
1476	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1477		2082
1478	my $path = $self->{path};	2083	my $path = $self->{path};
		2084
		2085	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1480		2087
		2088	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2090
1483	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1484		2092
1485	$self->alloc;	2093	$self->alloc;
1486		2094
1487	$self->pre_load;	2095	$self->pre_load;
1488	Coro::cede;	2096	cf::cede_to_tick;
1489		2097
1490	$self->_load_objects ($self->{load_path}, 1)	2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
		2100	$self->_load_objects ($f)
1491	or return;	2101	or return;
1492		2102
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1494	if delete $self->{load_original};	2104	if delete $self->{load_original};
1495		2105
1496	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2107	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2110	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1501	}	2114	}
1502	}	2115	}
1503		2116
1504	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1505	# now do the right thing for maps	2120	# now do the right thing for maps
1506	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2123	unless $self->difficulty;
1517	Coro::cede;	2124	cf::cede_to_tick;
		2125
		2126	unless ($self->{deny_activate}) {
		2127	$self->decay_objects;
		2128	$self->fix_auto_apply;
		2129	$self->update_buttons;
		2130	cf::cede_to_tick;
1518	$self->activate;	2131	$self->activate;
1519	Coro::cede;	2132	}
		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
		2137	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2138	}
1521		2139
1522	$self->post_load;	2140	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2141	}
1527		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2146	sub customise_for {
1529	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1530		2148
1531	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2150	if $self->per_player;
1533		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
1534	$self	2155	$self
1535	}	2156	}
1536		2157
1537	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2159	sub load_neighbours {
1539	my ($map) = @_;	2160	my ($map) = @_;
1540		2161
1541	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1542		2163
1543	for (0 .. 3) {	2164	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1545	or next;	2166	or next;
1546	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1547	or next;	2168	or next;
1548	$neigh->load;	2169	$neigh->load;
1549		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2175	}
1553		2176
1554	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1556	or next;	2180	or next;
1557	$neigh->load;	2181	$neigh->load;
1558	}	2182	}
1559	}	2183	}
1560		2184
…		…
1565	}	2189	}
1566		2190
1567	sub do_load_sync {	2191	sub do_load_sync {
1568	my ($map) = @_;	2192	my ($map) = @_;
1569		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1570	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1571	}	2198	}
1572		2199
1573	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1575		2202
1576	sub find_async {	2203	sub find_async {
1577	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1578		2205
1579	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1580		2207
1581	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2210	}
1584		2211
1585	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1586	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1587	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2219	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2220	$map->load if $v;
		2221	}
1592		2222
1593	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1594	}	2224	}
1595	}	2225	}
1596	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1597	};	2227	};
1598	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1599		2229
1600	()	2230	()
1601	}	2231	}
1602		2232
		2233	# common code, used by both ->save and ->swapout
1603	sub save {	2234	sub _save {
1604	my ($self) = @_;	2235	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2236
1608	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1609		2238
1610	return unless $self->dirty;	2239	return unless $self->dirty;
1611		2240
…		…
1617	return if $self->{deny_save};	2246	return if $self->{deny_save};
1618		2247
1619	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1620		2249
1621	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1623	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1624		2256
1625	if ($uniq) {	2257	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2260	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2262	}
1631	}	2263	}
1632		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1633	sub swap_out {	2273	sub swap_out {
1634	my ($self) = @_;	2274	my ($self) = @_;
1635		2275
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1641	return if $self->players;	2280	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1645	$self->clear;	2291	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2292	}
1648		2293
1649	sub reset_at {	2294	sub reset_at {
1650	my ($self) = @_;	2295	my ($self) = @_;
1651		2296
1652	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1655		2299
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2302
…		…
1669	my ($self) = @_;	2313	my ($self) = @_;
1670		2314
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2316
1673	return if $self->players;	2317	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2318
1676	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
1677		2320
1678	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1679		2322
1680	# need to save uniques path	2323	# need to save uniques path
1681	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2328	if $uniq;
1686	}	2329	}
1687		2330
1688	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1689		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2335	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2336
1694	$self->unlink_save;	2337	$self->unlink_save;
1695	$self->destroy;	2338	$self->destroy;
1696	}	2339	}
1697		2340
1698	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1699		2342
1700	sub nuke {	2343	sub nuke {
1701	my ($self) = @_;	2344	my ($self) = @_;
1702		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1703	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1704		2350
1705	$self->unlink_save;	2351	$self->unlink_save;
1706		2352
1707	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2358
1713	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1714		2361
1715	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
		2363	}
		2364
		2365	=item $maps = cf::map::tmp_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
		2381	}
		2382
		2383	=item $maps = cf::map::random_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
		2387
		2388	=cut
		2389
		2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
1716	}	2399	}
1717		2400
1718	=item cf::map::unique_maps	2401	=item cf::map::unique_maps
1719		2402
1720	Returns an arrayref of paths of all shared maps that have	2403	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2404	instantiated unique items. May block.
1722		2405
1723	=cut	2406	=cut
1724		2407
1725	sub unique_maps() {	2408	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2409	[
1727	or return;	2410	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2411	utf8::decode $_;
1733	next if /\.pst$/;	2412	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2414	? ()
1736	push @paths, cf::map::normalise $_;	2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2417	]
1738
1739	\@paths
1740	}	2418	}
1741		2419
1742	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
1743		2451
1744	=back	2452	=back
1745		2453
1746	=head3 cf::object	2454	=head3 cf::object
1747		2455
…		…
1751		2459
1752	=over 4	2460	=over 4
1753		2461
1754	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1755		2463
1756	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
1757		2466
1758	=cut	2467	=cut
1759		2468
1760	sub inv_recursive_;	2469	sub inv_recursive_;
1761	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1764		2473
1765	sub inv_recursive {	2474	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1767	}	2476	}
1768		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
1769	package cf;	2506	package cf;
1770		2507
1771	=back	2508	=back
1772		2509
1773	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1782		2519
1783	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1784		2535
1785	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2537	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1790		2541
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2543
1793	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1795	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1798	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1799	}	2569	}
1800		2570
1801	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1802		2572
1803	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1816		2586
1817	=item $player_object->enter_link	2587	=item $player_object->enter_link
1818		2588
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2590
1821	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
1823		2595
1824	Will never block.	2596	Will never block.
1825		2597
1826	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1827		2599
…		…
1847	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2620	my ($self) = @_;
1849		2621
1850	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1851		2623
		2624	++$self->{_link_recursion};
		2625
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2627
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2629	if $self->map && $self->map->{path} ne "{link}";
1856		2630
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2632	}
1859		2633
1860	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1862		2638
1863	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1864		2640
1865	unless ($map) {	2641	unless ($map) {
1866	# restore original map position	2642	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1879		2655
1880	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1883		2659
1884	$map->load;	2660	$map->load;
1885	$map->load_diag;	2661	$map->load_neighbours;
1886		2662
1887	return unless $self->contr->active;	2663	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2664
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
1892	}	2667	# entering was successful
1893		2668	delete $self->{_link_recursion};
1894	cf::player->attach (	2669	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2670	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2671	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2672
1908	# try to abort aborted map switching on player login :)	2673	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2674
1926	=item $player_object->goto ($path, $x, $y)	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2676
		2677	Moves the player to the given map-path and coordinates by first freezing
		2678	her, loading and preparing them map, calling the provided $check callback
		2679	that has to return the map if sucecssful, and then unfreezes the player on
		2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
1928	=cut	2686	=cut
		2687
		2688	our $GOTOGEN;
1929		2689
1930	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
		2698
		2699	# do generation counting so two concurrent goto's will be executed in-order
		2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2701
1933	$self->enter_link;	2702	$self->enter_link;
1934		2703
1935	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
1936	my $map = eval {	2726	my $map = eval {
1937	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2730	$map = $map->customise_for ($self);
		2731	$map = $check->($map, $x, $y, $self) if $check && $map;
		2732	} else {
		2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2734	}
		2735
1939	$map	2736	$map
		2737	};
		2738
		2739	if ($@) {
		2740	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2742	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1944	})->prio (1);	2750	})->prio (1);
1945	}	2751	}
1946		2752
1947	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1948		2754
…		…
1968	}	2774	}
1969		2775
1970	sub prepare_random_map {	2776	sub prepare_random_map {
1971	my ($exit) = @_;	2777	my ($exit) = @_;
1972		2778
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2781	# that depends on the exit object
1978		2782
1979	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2785	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1986	}	2792	}
1987		2793
1988	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1989		2795
1990	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
1993		2799
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2802	undef $fh;
1997	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
1998		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2001	}	2811	}
2002	}	2812	}
2003		2813
2004	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2006		2816
2007	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2008		2818
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2819	$self->enter_link;
2021		2820
2022	(async {	2821	(async {
2023	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2024	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2025	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2026		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2027	1;	2845	1
2028	}) {	2846	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2851
2034	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2053		2871
2054	utf8::encode $text;	2872	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2874	}
2057		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2058	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2059		3064
2060	Sends an exti event to the client.	3065	Sends an ext event to the client.
2061		3066
2062	=cut	3067	=cut
2063		3068
2064	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2066		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2069	}	3096	}
2070		3097
2071	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2072		3099
2073	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3103
2077	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3105	become reliable at some point in the future.
2079		3106
2080	=cut	3107	=cut
2081		3108
2082	sub cf::client::query {	3109	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3118	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3120
2094	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2096	}	3125	}
2097		3126
2098	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
2099	on_reply => sub {	3133	on_reply => sub {
2100	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2101		3135
2102	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2103	# get handled first	3137	# get handled first
…		…
2115	} else {	3149	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3151	}
2118	}	3152	}
2119	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
2120	);	3180	);
2121		3181
2122	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2123		3183
2124	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3200
2141	$coro	3201	$coro
2142	}	3202	}
2143		3203
2144	cf::client->attach (	3204	cf::client->attach (
2145	on_destroy => sub {	3205	on_client_destroy => sub {
2146	my ($ns) = @_;	3206	my ($ns) = @_;
2147		3207
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3209	},
2150	);	3210	);
…		…
2165	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2167		3227
2168	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2169		3229
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2171		3235
2172	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2173		3237
2174	=pod	3238	=pod
2175		3239
2176	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2177		3241
2178	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
2179	cf::object::player player	3247	cf::object::player
2180	cf::player peaceful	3248	player
2181	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2182		3255
2183	=cut	3256	=cut
2184		3257
2185	for (	3258	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2190	) {	3265	) {
2191	no strict 'refs';	3266	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3286
2212	my $qcode = $code;	3287	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2215		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2216	local $_;	3294	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3295
2219	my $eval =	3296	my $eval =
2220	"do {\n"	3297	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3300	. $code
2224	. "\n}"	3301	. "\n}"
2225	;	3302	;
2226		3303
		3304	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2230		3313
2231	if ($@) {	3314	if ($@) {
2232	warn "$@";	3315	warn "$@";
2233	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3336	=cut
2254		3337
2255	sub register_script_function {	3338	sub register_script_function {
2256	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2257		3340
2258	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2260	}	3343	}
2261		3344
2262	=back	3345	=back
2263		3346
2264	=cut	3347	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433		3348
2434	#############################################################################	3349	#############################################################################
2435	# the server's init and main functions	3350	# the server's init and main functions
2436		3351
2437	sub load_facedata($) {	3352	sub load_facedata($) {
2438	my ($path) = @_;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3360
2440	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2441		3362
2442	my $facedata;	3363	my $facedata;
2443	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2447		3368
2448	$facedata->{version} == 2	3369	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
2451	{	3381	{
2452	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2453		3383
2454	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2459	Coro::cede;	3391
		3392	cf::cede_to_tick;
2460	}	3393	}
2461		3394
2462	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2464	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2465	or next;	3399	or next;
		3400
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3404	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3406	}
2471	Coro::cede;	3407
		3408	cf::cede_to_tick;
2472	}	3409	}
2473	}	3410	}
2474		3411
2475	{	3412	{
2476	my $anims = $facedata->{animinfo};	3413	my $anims = $facedata->{animinfo};
2477		3414
2478	while (my ($anim, $info) = each %$anims) {	3415	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3417	cf::cede_to_tick;
2481	}	3418	}
2482		3419
2483	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2484	}	3421	}
2485		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2486	1	3442	1
2487	}	3443	}
2488		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
2489	sub reload_facedata {	3477	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3478	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
2492	}	3480	}
2493		3481
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3482	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3483	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3484	or die "unable to load archetypes\n";
2502	}	3485	}
2503		3486
2504	sub reload_treasures {	3487	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3488	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_sound {
		3493	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3494	or die "$DATADIR/sound $!";
		3495
		3496	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3497
		3498	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3499	my $sound = $soundconf->{compat}[$_]
		3500	or next;
		3501
		3502	my $face = cf::face::find "sound/$sound->[1]";
		3503	cf::sound::set $sound->[0] => $face;
		3504	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3505	}
		3506
		3507	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3508	my $face = cf::face::find "sound/$v";
		3509	cf::sound::set $k => $face;
		3510	}
2507	}	3511	}
2508		3512
2509	sub reload_resources {	3513	sub reload_resources {
2510	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2511		3515
		3516	reload_facedata;
		3517	reload_sound;
		3518	reload_archetypes;
2512	reload_regions;	3519	reload_regions;
2513	reload_facedata;
2514	reload_archetypes;
2515	reload_treasures;	3520	reload_treasures;
2516		3521
2517	warn "finished reloading resource files\n";	3522	warn "finished reloading resource files\n";
2518	}	3523	}
2519		3524
2520	sub init {	3525	sub reload_config {
2521	reload_resources;	3526	warn "reloading config file...\n";
2522	}
2523		3527
2524	sub cfg_load {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3528	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3529	or return;
2527		3530
2528	local $/;	3531	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3532	*CFG = YAML::XS::Load scalar <$fh>;
2530		3533
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3534	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2532		3535
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3536	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3537	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2535		3538
2536	if (exists $CFG{mlockall}) {	3539	if (exists $CFG{mlockall}) {
…		…
2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3541	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2539	and die "WARNING: m(un)lockall failed: $!\n";	3542	and die "WARNING: m(un)lockall failed: $!\n";
2540	};	3543	};
2541	warn $@ if $@;	3544	warn $@ if $@;
2542	}	3545	}
		3546
		3547	warn "finished reloading resource files\n";
		3548	}
		3549
		3550	sub pidfile() {
		3551	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3552	or die "$PIDFILE: $!";
		3553	flock $fh, &Fcntl::LOCK_EX
		3554	or die "$PIDFILE: flock: $!";
		3555	$fh
		3556	}
		3557
		3558	# make sure only one server instance is running at any one time
		3559	sub atomic {
		3560	my $fh = pidfile;
		3561
		3562	my $pid = <$fh>;
		3563	kill 9, $pid if $pid > 0;
		3564
		3565	seek $fh, 0, 0;
		3566	print $fh $$;
		3567	}
		3568
		3569	sub main_loop {
		3570	warn "EV::loop starting\n";
		3571	if (1) {
		3572	EV::loop;
		3573	}
		3574	warn "EV::loop returned\n";
		3575	goto &main_loop unless $REALLY_UNLOOP;
2543	}	3576	}
2544		3577
2545	sub main {	3578	sub main {
		3579	cf::init_globals; # initialise logging
		3580
		3581	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3582	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3583	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3584	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3585
		3586	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3587
2546	# we must not ever block the main coroutine	3588	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3589	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3590	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3591	(async {
2550	Event::one_event;	3592	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3593	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3594	})->prio (Coro::PRIO_MAX);
2552	};	3595	};
2553		3596
2554	cfg_load;	3597	evthread_start IO::AIO::poll_fileno;
		3598
		3599	cf::sync_job {
		3600	cf::init_experience;
		3601	cf::init_anim;
		3602	cf::init_attackmess;
		3603	cf::init_dynamic;
		3604
		3605	cf::load_settings;
		3606	cf::load_materials;
		3607
		3608	reload_resources;
		3609	reload_config;
2555	db_init;	3610	db_init;
		3611
		3612	cf::init_uuid;
		3613	cf::init_signals;
		3614	cf::init_skills;
		3615
		3616	cf::init_beforeplay;
		3617
		3618	atomic;
		3619
2556	load_extensions;	3620	load_extensions;
2557		3621
2558	$TICK_WATCHER->start;	3622	utime time, time, $RUNTIMEFILE;
2559	Event::loop;	3623
		3624	# no (long-running) fork's whatsoever before this point(!)
		3625	use POSIX ();
		3626	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3627
		3628	(pop @POST_INIT)->(0) while @POST_INIT;
		3629	};
		3630
		3631	cf::object::thawer::errors_are_fatal 0;
		3632	warn "parse errors in files are no longer fatal from this point on.\n";
		3633
		3634	main_loop;
2560	}	3635	}
2561		3636
2562	#############################################################################	3637	#############################################################################
2563	# initialisation and cleanup	3638	# initialisation and cleanup
2564		3639
2565	# install some emergency cleanup handlers	3640	# install some emergency cleanup handlers
2566	BEGIN {	3641	BEGIN {
		3642	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3643	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3644	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3645	cf::cleanup "SIG$signal";
2575	},
2576	);	3646	};
		3647	}
		3648	}
		3649
		3650	sub write_runtime_sync {
		3651	my $t0 = AE::time;
		3652
		3653	# first touch the runtime file to show we are still running:
		3654	# the fsync below can take a very very long time.
		3655
		3656	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3657
		3658	my $guard = cf::lock_acquire "write_runtime";
		3659
		3660	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3661	or return;
		3662
		3663	my $value = $cf::RUNTIME + 90 + 10;
		3664	# 10 is the runtime save interval, for a monotonic clock
		3665	# 60 allows for the watchdog to kill the server.
		3666
		3667	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3668	and return;
		3669
		3670	# always fsync - this file is important
		3671	aio_fsync $fh
		3672	and return;
		3673
		3674	# touch it again to show we are up-to-date
		3675	aio_utime $fh, undef, undef;
		3676
		3677	close $fh
		3678	or return;
		3679
		3680	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3681	and return;
		3682
		3683	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3684
2577	}	3685	1
		3686	}
		3687
		3688	our $uuid_lock;
		3689	our $uuid_skip;
		3690
		3691	sub write_uuid_sync($) {
		3692	$uuid_skip ||= $_[0];
		3693
		3694	return if $uuid_lock;
		3695	local $uuid_lock = 1;
		3696
		3697	my $uuid = "$LOCALDIR/uuid";
		3698
		3699	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3700	or return;
		3701
		3702	my $value = uuid_seq uuid_cur;
		3703
		3704	unless ($value) {
		3705	warn "cowardly refusing to write zero uuid value!\n";
		3706	return;
		3707	}
		3708
		3709	my $value = uuid_str $value + $uuid_skip;
		3710	$uuid_skip = 0;
		3711
		3712	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3713	and return;
		3714
		3715	# always fsync - this file is important
		3716	aio_fsync $fh
		3717	and return;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$uuid~", $uuid
		3723	and return;
		3724
		3725	warn "uuid file written ($value).\n";
		3726
		3727	1
		3728
		3729	}
		3730
		3731	sub write_uuid($$) {
		3732	my ($skip, $sync) = @_;
		3733
		3734	$sync ? write_uuid_sync $skip
		3735	: async { write_uuid_sync $skip };
2578	}	3736	}
2579		3737
2580	sub emergency_save() {	3738	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3739	my $freeze_guard = cf::freeze_mainloop;
2582		3740
2583	warn "enter emergency perl save\n";	3741	warn "emergency_perl_save: enter\n";
2584		3742
2585	cf::sync_job {	3743	cf::sync_job {
		3744	# this is a trade-off: we want to be very quick here, so
		3745	# save all maps without fsync, and later call a global sync
		3746	# (which in turn might be very very slow)
		3747	local $USE_FSYNC = 0;
		3748
2586	# use a peculiar iteration method to avoid tripping on perl	3749	# use a peculiar iteration method to avoid tripping on perl
2587	# refcount bugs in for. also avoids problems with players	3750	# refcount bugs in for. also avoids problems with players
2588	# and maps saved/destroyed asynchronously.	3751	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3752	warn "emergency_perl_save: begin player save\n";
2590	for my $login (keys %cf::PLAYER) {	3753	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3754	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3755	$pl->valid or next;
		3756	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3757	$pl->save;
2594	}	3758	}
2595	warn "end emergency player save\n";	3759	warn "emergency_perl_save: end player save\n";
2596		3760
2597	warn "begin emergency map save\n";	3761	warn "emergency_perl_save: begin map save\n";
2598	for my $path (keys %cf::MAP) {	3762	for my $path (keys %cf::MAP) {
2599	my $map = $cf::MAP{$path} or next;	3763	my $map = $cf::MAP{$path} or next;
2600	$map->valid or next;	3764	$map->valid or next;
2601	$map->save;	3765	$map->save;
2602	}	3766	}
2603	warn "end emergency map save\n";	3767	warn "emergency_perl_save: end map save\n";
2604		3768
2605	warn "begin emergency database checkpoint\n";	3769	warn "emergency_perl_save: begin database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3770	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3771	warn "emergency_perl_save: end database checkpoint\n";
		3772
		3773	warn "emergency_perl_save: begin write uuid\n";
		3774	write_uuid_sync 1;
		3775	warn "emergency_perl_save: end write uuid\n";
2608	};	3776	};
2609		3777
		3778	warn "emergency_perl_save: starting sync()\n";
		3779	IO::AIO::aio_sync sub {
		3780	warn "emergency_perl_save: finished sync()\n";
		3781	};
		3782
2610	warn "leave emergency perl save\n";	3783	warn "emergency_perl_save: leave\n";
2611	}	3784	}
2612		3785
2613	sub post_cleanup {	3786	sub post_cleanup {
2614	my ($make_core) = @_;	3787	my ($make_core) = @_;
2615		3788
2616	warn Carp::longmess "post_cleanup backtrace"	3789	warn Carp::longmess "post_cleanup backtrace"
2617	if $make_core;	3790	if $make_core;
		3791
		3792	my $fh = pidfile;
		3793	unlink $PIDFILE if <$fh> == $$;
		3794	}
		3795
		3796	# a safer delete_package, copied from Symbol
		3797	sub clear_package($) {
		3798	my $pkg = shift;
		3799
		3800	# expand to full symbol table name if needed
		3801	unless ($pkg =~ /^main::.*::$/) {
		3802	$pkg = "main$pkg" if $pkg =~ /^::/;
		3803	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3804	$pkg .= '::' unless $pkg =~ /::$/;
		3805	}
		3806
		3807	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3808	my $stem_symtab = *{$stem}{HASH};
		3809
		3810	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3811	or return;
		3812
		3813	# clear all symbols
		3814	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3815	for my $name (keys %$leaf_symtab) {
		3816	_gv_clear *{"$pkg$name"};
		3817	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3818	}
2618	}	3819	}
2619		3820
2620	sub do_reload_perl() {	3821	sub do_reload_perl() {
2621	# can/must only be called in main	3822	# can/must only be called in main
2622	if ($Coro::current != $Coro::main) {	3823	if (in_main) {
2623	warn "can only reload from main coroutine";	3824	warn "can only reload from main coroutine";
2624	return;	3825	return;
2625	}	3826	}
2626		3827
		3828	return if $RELOAD++;
		3829
		3830	my $t1 = AE::time;
		3831
		3832	while ($RELOAD) {
2627	warn "reloading...";	3833	warn "reloading...";
2628		3834
2629	warn "entering sync_job";	3835	warn "entering sync_job";
2630		3836
2631	cf::sync_job {	3837	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3838	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3839	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2635		3841
2636	warn "syncing database to disk";	3842	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3843	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3844
2639	# if anything goes wrong in here, we should simply crash as we already saved	3845	# if anything goes wrong in here, we should simply crash as we already saved
2640		3846
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3847	warn "flushing outstanding aio requests";
2647	for (;;) {
2648	BDB::flush;
2649	IO::AIO::flush;
2650	Coro::cede;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3848	while (IO::AIO::nreqs || BDB::nreqs) {
2652	warn "iterate...";	3849	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2653	}
2654
2655	++$RELOAD;
2656
2657	warn "cancelling all extension coros";
2658	$_->cancel for values %EXT_CORO;
2659	%EXT_CORO = ();
2660
2661	warn "removing commands";
2662	%COMMAND = ();
2663
2664	warn "removing ext commands";
2665	%EXTCMD = ();
2666
2667	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";
2670
2671	if (my $cb = $pkg->can ("unload")) {
2672	eval {
2673	$cb->($pkg);
2674	1
2675	} or warn "$pkg unloaded, but with errors: $@";
2676	}	3850	}
2677		3851
2678	warn "... nuking $pkg";	3852	warn "cancelling all extension coros";
2679	Symbol::delete_package $pkg;	3853	$_->cancel for values %EXT_CORO;
2680	}	3854	%EXT_CORO = ();
2681		3855
2682	warn "unloading all perl modules loaded from $LIBDIR";	3856	warn "removing commands";
2683	while (my ($k, $v) = each %INC) {	3857	%COMMAND = ();
2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2685		3858
		3859	warn "removing ext/exti commands";
		3860	%EXTCMD = ();
		3861	%EXTICMD = ();
		3862
		3863	warn "unloading/nuking all extensions";
		3864	for my $pkg (@EXTS) {
2686	warn "... unloading $k";	3865	warn "... unloading $pkg";
2687	delete $INC{$k};
2688		3866
2689	$k =~ s/\.pm$//;
2690	$k =~ s/\//::/g;
2691
2692	if (my $cb = $k->can ("unload_module")) {	3867	if (my $cb = $pkg->can ("unload")) {
		3868	eval {
2693	$cb->();	3869	$cb->($pkg);
		3870	1
		3871	} or warn "$pkg unloaded, but with errors: $@";
		3872	}
		3873
		3874	warn "... clearing $pkg";
		3875	clear_package $pkg;
2694	}	3876	}
2695		3877
2696	Symbol::delete_package $k;	3878	warn "unloading all perl modules loaded from $LIBDIR";
		3879	while (my ($k, $v) = each %INC) {
		3880	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3881
		3882	warn "... unloading $k";
		3883	delete $INC{$k};
		3884
		3885	$k =~ s/\.pm$//;
		3886	$k =~ s/\//::/g;
		3887
		3888	if (my $cb = $k->can ("unload_module")) {
		3889	$cb->();
		3890	}
		3891
		3892	clear_package $k;
2697	}	3893	}
2698		3894
2699	warn "getting rid of safe::, as good as possible";	3895	warn "getting rid of safe::, as good as possible";
2700	Symbol::delete_package "safe::$_"	3896	clear_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3897	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3898
2703	warn "unloading cf.pm \"a bit\"";	3899	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3900	delete $INC{"cf.pm"};
		3901	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2705		3902
2706	# don't, removes xs symbols, too,	3903	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3904	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3905	#clear_package __PACKAGE__;
2709		3906
2710	warn "unload completed, starting to reload now";	3907	warn "unload completed, starting to reload now";
2711		3908
2712	warn "reloading cf.pm";	3909	warn "reloading cf.pm";
2713	require cf;	3910	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3911	cf::_connect_to_perl_1;
2715		3912
2716	warn "loading config and database again";	3913	warn "loading config and database again";
2717	cf::cfg_load;	3914	cf::reload_config;
2718		3915
2719	warn "loading extensions";	3916	warn "loading extensions";
2720	cf::load_extensions;	3917	cf::load_extensions;
2721		3918
		3919	if ($REATTACH_ON_RELOAD) {
2722	warn "reattaching attachments to objects/players";	3920	warn "reattaching attachments to objects/players";
2723	_global_reattach; # objects, sockets	3921	_global_reattach; # objects, sockets
2724	warn "reattaching attachments to maps";	3922	warn "reattaching attachments to maps";
2725	reattach $_ for values %MAP;	3923	reattach $_ for values %MAP;
2726	warn "reattaching attachments to players";	3924	warn "reattaching attachments to players";
2727	reattach $_ for values %PLAYER;	3925	reattach $_ for values %PLAYER;
		3926	}
2728		3927
		3928	warn "running post_init jobs";
		3929	(pop @POST_INIT)->(1) while @POST_INIT;
		3930
2729	warn "leaving sync_job";	3931	warn "leaving sync_job";
2730		3932
2731	1	3933	1
2732	} or do {	3934	} or do {
2733	warn $@;	3935	warn $@;
2734	warn "error while reloading, exiting.";	3936	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3937	};
2737		3938
2738	warn "reloaded";	3939	warn "reloaded";
		3940	--$RELOAD;
		3941	}
		3942
		3943	$t1 = AE::time - $t1;
		3944	warn "reload completed in ${t1}s\n";
2739	};	3945	};
2740		3946
2741	our $RELOAD_WATCHER; # used only during reload	3947	our $RELOAD_WATCHER; # used only during reload
2742		3948
2743	sub reload_perl() {	3949	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3950	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3951	# coro crashes during coro_state_free->destroy here.
2746		3952
2747	$RELOAD_WATCHER ||= Event->timer (	3953	$RELOAD_WATCHER ||= cf::async {
2748	reentrant => 0,	3954	Coro::AIO::aio_wait cache_extensions;
2749	after => 0,	3955
2750	data => WF_AUTOCANCEL,	3956	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2751	cb => sub {
2752	do_reload_perl;	3957	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3958	undef $RELOAD_WATCHER;
2754	},	3959	};
2755	);	3960	};
2756	}	3961	}
2757		3962
2758	register_command "reload" => sub {	3963	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3964	my ($who, $arg) = @_;
2760		3965
2761	if ($who->flag (FLAG_WIZ)) {	3966	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3967	$who->message ("reloading server.");
		3968	async {
		3969	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3970	reload_perl;
		3971	};
2764	}	3972	}
2765	};	3973	};
2766		3974
2767	unshift @INC, $LIBDIR;	3975	unshift @INC, $LIBDIR;
2768		3976
…		…
2770		3978
2771	our @WAIT_FOR_TICK;	3979	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3980	our @WAIT_FOR_TICK_BEGIN;
2773		3981
2774	sub wait_for_tick {	3982	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3983	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2777		3984
2778	my $signal = new Coro::Signal;	3985	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3986	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3987	$signal->wait;
2781	}	3988	}
2782		3989
2783	sub wait_for_tick_begin {	3990	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3991	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2786		3992
2787	my $signal = new Coro::Signal;	3993	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3994	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3995	$signal->wait;
2790	}	3996	}
2791		3997
2792	$TICK_WATCHER = Event->timer (	3998	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3999	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4000	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	4001	unless ++$bug_warning > 10;
2802	return;	4002	return;
2803	}	4003	}
2804		4004
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	4005	cf::server_tick; # one server iteration
2808		4006
2809	$RUNTIME += $TICK;	4007	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810	$NEXT_TICK += $TICK;
2811		4008
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4009	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	4010	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	4011	Coro::async_pool {
		4012	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	4013	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	4014	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	4015	};
		4016	}
2819		4017
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4018	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	4019	$sig->send;
2831	}	4020	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	4021	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	4022	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	4023	}
2838	);	4024
		4025	$LOAD = ($NOW - $TICK_START) / $TICK;
		4026	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4027
		4028	if (0) {
		4029	if ($NEXT_TICK) {
		4030	my $jitter = $TICK_START - $NEXT_TICK;
		4031	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4032	warn "jitter $JITTER\n";#d#
		4033	}
		4034	}
		4035	}
2839		4036
2840	{	4037	{
2841	BDB::max_poll_time $TICK * 0.1;	4038	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	4039
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	4040	BDB::min_parallel 16;
2851		4041	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	4042	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		4043
2867	unless ($DB_ENV) {	4044	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	4045	$DB_ENV = BDB::db_env_create;
		4046	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4047	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4048	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4049	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4050	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		4051
2870	cf::sync_job {	4052	cf::sync_job {
2871	eval {	4053	eval {
2872	BDB::db_env_open	4054	BDB::db_env_open
2873	$DB_ENV,	4055	$DB_ENV,
2874	$BDB_ENV_DIR,	4056	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4057	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4058	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	4059	0666;
2878		4060
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4061	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	4062	};
2884		4063
2885	cf::cleanup "db_env_open(db): $@" if $@;	4064	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	4065	};
2887	}	4066	}
		4067
		4068	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4069	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4070	};
		4071	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4072	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4073	};
		4074	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4075	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4076	};
2888	}	4077	}
2889		4078
2890	{	4079	{
		4080	# configure IO::AIO
		4081
2891	IO::AIO::min_parallel 8;	4082	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	4083	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	4084	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	4085	}
2897	data => WF_AUTOCANCEL,	4086
2898	fd => IO::AIO::poll_fileno,	4087	my $_log_backtrace;
2899	poll => 'r',	4088
2900	prio => 6,	4089	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	4090	my ($msg, @addr) = @_;
2902	);	4091
		4092	$msg =~ s/\n//;
		4093
		4094	# limit the # of concurrent backtraces
		4095	if ($_log_backtrace < 2) {
		4096	++$_log_backtrace;
		4097	my $perl_bt = Carp::longmess $msg;
		4098	async {
		4099	$Coro::current->{desc} = "abt $msg";
		4100
		4101	my @bt = fork_call {
		4102	@addr = map { sprintf "%x", $_ } @addr;
		4103	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4104	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4105	or die "addr2line: $!";
		4106
		4107	my @funcs;
		4108	my @res = <$fh>;
		4109	chomp for @res;
		4110	while (@res) {
		4111	my ($func, $line) = splice @res, 0, 2, ();
		4112	push @funcs, "[$func] $line";
		4113	}
		4114
		4115	@funcs
		4116	};
		4117
		4118	LOG llevInfo, "[ABT] $perl_bt\n";
		4119	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4120	LOG llevInfo, "[ABT] $_\n" for @bt;
		4121	--$_log_backtrace;
		4122	};
		4123	} else {
		4124	LOG llevInfo, "[ABT] $msg\n";
		4125	LOG llevInfo, "[ABT] [suppressed]\n";
		4126	}
2903	}	4127	}
2904		4128
2905	# load additional modules	4129	# load additional modules
2906	use cf::pod;	4130	require "cf/$_.pm" for @EXTRA_MODULES;
		4131	cf::_connect_to_perl_2;
2907		4132
2908	END { cf::emergency_save }	4133	END { cf::emergency_save }
2909		4134
2910	1	4135	1
2911		4136

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