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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.527 by root, Fri Apr 23 04:32:47 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use 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;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 0;#d#
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;
		1640	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1056		1643
1057	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1675	while and may block, so not sync_job-capable, ever.
1089		1676
1090	=cut	1677	=cut
1091		1678
1092	sub list_logins {	1679	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1680	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1681	or return [];
1095		1682
1096	my @logins;	1683	my @logins;
1097		1684
1098	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1102		1695
1103	utf8::decode $login;	1696	utf8::decode $login;
1104	push @logins, $login;	1697	push @logins, $login;
1105	}	1698	}
1106		1699
1107	\@logins	1700	\@logins
1108	}	1701	}
1109		1702
1110	=item $player->maps	1703	=item $player->maps
		1704
		1705	=item cf::player::maps $login
1111		1706
1112	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1113	player. May block.	1708	player. May block.
1114		1709
1115	=cut	1710	=cut
…		…
1133	}	1728	}
1134		1729
1135	\@paths	1730	\@paths
1136	}	1731	}
1137		1732
		1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1734
		1735	Expand deliantra pod fragments into protocol xml.
		1736
1138	=item $player->ext_reply ($msgid, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1139		1738
1140	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1141		1740
1142	=cut	1741	=cut
1143		1742
1144	sub ext_reply($$%) {	1743	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1146		1745
1147	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1747	}
1151		1748
1152	=item $player->ext_event ($type, %msg)	1749	=item $player->ext_msg ($type, @msg)
1153		1750
1154	Sends an ext event to the client.	1751	Sends an ext event to the client.
1155		1752
1156	=cut	1753	=cut
1157		1754
1158	sub ext_event($$%) {	1755	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1756	my ($self, $type, @msg) = @_;
1160		1757
1161	$self->ns->ext_event ($type, %msg);	1758	$self->ns->ext_msg ($type, @msg);
1162	}	1759	}
1163		1760
1164	=head3 cf::region	1761	=head3 cf::region
1165		1762
1166	=over 4	1763	=over 4
…		…
1169		1766
1170	package cf::region;	1767	package cf::region;
1171		1768
1172	=item cf::region::find_by_path $path	1769	=item cf::region::find_by_path $path
1173		1770
1174	Tries to decuce the probable region for a map knowing only its path.	1771	Tries to decuce the likely region for a map knowing only its path.
1175		1772
1176	=cut	1773	=cut
1177		1774
1178	sub find_by_path($) {	1775	sub find_by_path($) {
1179	my ($path) = @_;	1776	my ($path) = @_;
1180		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
		1779
1181	my ($match, $specificity);	1780	my ($match, $specificity);
1182		1781
1183	for my $region (list) {	1782	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1783	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1784	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1785	if $region->specificity > $specificity;
1187	}	1786	}
1188	}	1787	}
1189		1788
…		…
1210	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1212		1811
1213	sub generate_random_map {	1812	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1816
1215	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1818	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1245		1847
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1849	}
1248		1850
1249	# also paths starting with '/'	1851	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1853
1252	sub thawer_merge {	1854	sub thawer_merge {
1253	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1254		1856
1255	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
1256	local $self->{path};	1858	local $self->{path};
1257	local $self->{load_path};	1859	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1860
1261	$self->SUPER::thawer_merge ($merge);	1861	$self->SUPER::thawer_merge ($merge);
1262	}	1862	}
1263		1863
1264	sub normalise {	1864	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1911	$self->init; # pass $1 etc.
1312	return $self;	1912	return $self;
1313	}	1913	}
1314	}	1914	}
1315		1915
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1917	()
1318	}	1918	}
1319		1919
1320	sub init {	1920	sub init {
1321	my ($self) = @_;	1921	my ($self) = @_;
…		…
1336		1936
1337	# the original (read-only) location	1937	# the original (read-only) location
1338	sub load_path {	1938	sub load_path {
1339	my ($self) = @_;	1939	my ($self) = @_;
1340		1940
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1941	"$MAPDIR/$self->{path}.map"
1342	}	1942	}
1343		1943
1344	# the temporary/swap location	1944	# the temporary/swap location
1345	sub save_path {	1945	sub save_path {
1346	my ($self) = @_;	1946	my ($self) = @_;
1347		1947
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1949	"$TMPDIR/$path.map"
1350	}	1950	}
1351		1951
1352	# the unique path, undef == no special unique path	1952	# the unique path, undef == no special unique path
1353	sub uniq_path {	1953	sub uniq_path {
1354	my ($self) = @_;	1954	my ($self) = @_;
1355		1955
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1957	"$UNIQUEDIR/$path"
1358	}	1958	}
1359		1959
1360	# and all this just because we cannot iterate over	1960	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1961	my ($self) = @_;
1364		1962
1365	$_->change_map_light ($change)	1963	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1964
		1965	$self->do_decay_objects;
1367	}	1966	}
1368		1967
1369	sub unlink_save {	1968	sub unlink_save {
1370	my ($self) = @_;	1969	my ($self) = @_;
1371		1970
…		…
1376		1975
1377	sub load_header_from($) {	1976	sub load_header_from($) {
1378	my ($self, $path) = @_;	1977	my ($self, $path) = @_;
1379		1978
1380	utf8::encode $path;	1979	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1981	or return;
		1982
		1983	$self->_load_header ($f)
		1984	or return;
		1985
		1986	local $MAP_LOADING{$self->{path}} = $self;
		1987	$f->resolve_delayed_derefs;
1386		1988
1387	$self->{load_path} = $path;	1989	$self->{load_path} = $path;
1388		1990
1389	1	1991	1
1390	}	1992	}
…		…
1429	$self->load_header_orig	2031	$self->load_header_orig
1430	or return;	2032	or return;
1431	$self->prepare_orig;	2033	$self->prepare_orig;
1432	}	2034	}
1433		2035
		2036	$self->{deny_reset} = 1
		2037	if $self->no_reset;
		2038
1434	$self->default_region (cf::region::find_by_path $self->{path})	2039	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2040	unless $self->default_region;
1436		2041
1437	1	2042	1
1438	}	2043	}
…		…
1441	sub find {	2046	sub find {
1442	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1443		2048
1444	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1445		2050
		2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2053
1448	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
1451	or return;	2056	or return;
1452		2057
1453	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
1454		2059
1455	$map->load_header	2060	$map->load_header
1456	or return;	2061	or return;
1457		2062
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2064	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1461	$map->reset;	2068	$map->reset;
1462	undef $guard;
1463	return find $path;	2069	return find $path;
1464	}	2070	}
1465		2071
1466	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
1467	}	2073	}
1468	}	2074	}
1469		2075
1470	sub pre_load { }	2076	sub pre_load { }
1471	sub post_load { }	2077	#sub post_load { } # XS
1472		2078
1473	sub load {	2079	sub load {
1474	my ($self) = @_;	2080	my ($self) = @_;
1475		2081
1476	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
1477		2083
1478	my $path = $self->{path};	2084	my $path = $self->{path};
		2085
		2086	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2087	my $guard = cf::lock_acquire "map_data:$path";
1480		2088
		2089	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2091
1483	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1484		2093
1485	$self->alloc;	2094	$self->alloc;
1486		2095
1487	$self->pre_load;	2096	$self->pre_load;
1488	Coro::cede;	2097	cf::cede_to_tick;
1489		2098
1490	$self->_load_objects ($self->{load_path}, 1)	2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
		2101	$self->_load_objects ($f)
1491	or return;	2102	or return;
1492		2103
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1494	if delete $self->{load_original};	2105	if delete $self->{load_original};
1495		2106
1496	if (my $uniq = $self->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2108	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2111	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1501	}	2115	}
1502	}	2116	}
1503		2117
1504	Coro::cede;	2118	$f->resolve_delayed_derefs;
		2119
		2120	cf::cede_to_tick;
1505	# now do the right thing for maps	2121	# now do the right thing for maps
1506	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	2123	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2124	unless $self->difficulty;
1517	Coro::cede;	2125	cf::cede_to_tick;
		2126
		2127	unless ($self->{deny_activate}) {
		2128	$self->decay_objects;
		2129	$self->fix_auto_apply;
		2130	$self->update_buttons;
		2131	cf::cede_to_tick;
1518	$self->activate;	2132	$self->activate;
1519	Coro::cede;	2133	}
		2134
		2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
		2137
		2138	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2139	}
1521		2140
1522	$self->post_load;	2141	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2142	}
1527		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2147	sub customise_for {
1529	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
1530		2149
1531	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2151	if $self->per_player;
1533		2152
		2153	# return find "?party/" . $ob->name . "/" . $self->{path}
		2154	# if $self->per_party;
		2155
1534	$self	2156	$self
1535	}	2157	}
1536		2158
1537	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2160	sub load_neighbours {
1539	my ($map) = @_;	2161	my ($map) = @_;
1540		2162
1541	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1542		2164
1543	for (0 .. 3) {	2165	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1545	or next;	2167	or next;
1546	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1547	or next;	2169	or next;
1548	$neigh->load;	2170	$neigh->load;
1549		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2176	}
1553		2177
1554	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1556	or next;	2181	or next;
1557	$neigh->load;	2182	$neigh->load;
1558	}	2183	}
1559	}	2184	}
1560		2185
…		…
1565	}	2190	}
1566		2191
1567	sub do_load_sync {	2192	sub do_load_sync {
1568	my ($map) = @_;	2193	my ($map) = @_;
1569		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1570	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1571	}	2199	}
1572		2200
1573	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2202	our $MAP_PREFETCHER = undef;
1575		2203
1576	sub find_async {	2204	sub find_async {
1577	my ($path, $origin) = @_;	2205	my ($path, $origin, $load) = @_;
1578		2206
1579	$path = normalise $path, $origin && $origin->{path};	2207	$path = normalise $path, $origin && $origin->{path};
1580		2208
1581	if (my $map = $cf::MAP{$path}) {	2209	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2211	}
1584		2212
1585	undef $MAP_PREFETCH{$path};	2213	$MAP_PREFETCH{$path} |= $load;
		2214
1586	$MAP_PREFETCHER ||= cf::async {	2215	$MAP_PREFETCHER ||= cf::async {
		2216	$Coro::current->{desc} = "map prefetcher";
		2217
1587	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2220	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2221	$map->load if $v;
		2222	}
1592		2223
1593	delete $MAP_PREFETCH{$path};	2224	delete $MAP_PREFETCH{$k};
1594	}	2225	}
1595	}	2226	}
1596	undef $MAP_PREFETCHER;	2227	undef $MAP_PREFETCHER;
1597	};	2228	};
1598	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
1599		2230
1600	()	2231	()
1601	}	2232	}
1602		2233
		2234	# common code, used by both ->save and ->swapout
1603	sub save {	2235	sub _save {
1604	my ($self) = @_;	2236	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2237
1608	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
1609		2239
1610	return unless $self->dirty;	2240	return unless $self->dirty;
1611		2241
…		…
1617	return if $self->{deny_save};	2247	return if $self->{deny_save};
1618		2248
1619	local $self->{last_access} = $self->last_access;#d#	2249	local $self->{last_access} = $self->last_access;#d#
1620		2250
1621	cf::async {	2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2253	$_->contr->save for $self->players;
1623	};	2254	};
		2255
		2256	cf::get_slot 0.02;
1624		2257
1625	if ($uniq) {	2258	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2261	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2263	}
1631	}	2264	}
1632		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
1633	sub swap_out {	2274	sub swap_out {
1634	my ($self) = @_;	2275	my ($self) = @_;
1635		2276
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1641	return if $self->players;	2281	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1645	$self->clear;	2292	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2293	}
1648		2294
1649	sub reset_at {	2295	sub reset_at {
1650	my ($self) = @_;	2296	my ($self) = @_;
1651		2297
1652	# TODO: safety, remove and allow resettable per-player maps	2298	# 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};	2299	return 1e99 if $self->{deny_reset};
1655		2300
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2301	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2302	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2303
…		…
1669	my ($self) = @_;	2314	my ($self) = @_;
1670		2315
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2317
1673	return if $self->players;	2318	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2319
1676	warn "resetting map ", $self->path;#d#	2320	warn "resetting map ", $self->path, "\n";
1677		2321
1678	$self->in_memory (cf::MAP_SWAPPED);	2322	$self->in_memory (cf::MAP_SWAPPED);
1679		2323
1680	# need to save uniques path	2324	# need to save uniques path
1681	unless ($self->{deny_save}) {	2325	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2329	if $uniq;
1686	}	2330	}
1687		2331
1688	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
1689		2333
		2334	$self->deactivate;
		2335	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2336	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2337
1694	$self->unlink_save;	2338	$self->unlink_save;
1695	$self->destroy;	2339	$self->destroy;
1696	}	2340	}
1697		2341
1698	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
1699		2343
1700	sub nuke {	2344	sub nuke {
1701	my ($self) = @_;	2345	my ($self) = @_;
1702		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
1703	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
1704		2351
1705	$self->unlink_save;	2352	$self->unlink_save;
1706		2353
1707	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2359
1713	$cf::MAP{$self->path} = $self;	2360	$cf::MAP{$self->path} = $self;
		2361	}
1714		2362
1715	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
		2364	}
		2365
		2366	=item $maps = cf::map::tmp_maps
		2367
		2368	Returns an arrayref with all map paths of currently instantiated and saved
		2369	maps. May block.
		2370
		2371	=cut
		2372
		2373	sub tmp_maps() {
		2374	[
		2375	map {
		2376	utf8::decode $_;
		2377	/\.map$/
		2378	? normalise $_
		2379	: ()
		2380	} @{ aio_readdir $TMPDIR or [] }
		2381	]
		2382	}
		2383
		2384	=item $maps = cf::map::random_maps
		2385
		2386	Returns an arrayref with all map paths of currently instantiated and saved
		2387	random maps. May block.
		2388
		2389	=cut
		2390
		2391	sub random_maps() {
		2392	[
		2393	map {
		2394	utf8::decode $_;
		2395	/\.map$/
		2396	? normalise "?random/$_"
		2397	: ()
		2398	} @{ aio_readdir $RANDOMDIR or [] }
		2399	]
1716	}	2400	}
1717		2401
1718	=item cf::map::unique_maps	2402	=item cf::map::unique_maps
1719		2403
1720	Returns an arrayref of paths of all shared maps that have	2404	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2405	instantiated unique items. May block.
1722		2406
1723	=cut	2407	=cut
1724		2408
1725	sub unique_maps() {	2409	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2410	[
1727	or return;	2411	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2412	utf8::decode $_;
1733	next if /\.pst$/;	2413	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2415	? ()
1736	push @paths, cf::map::normalise $_;	2416	: normalise $_
		2417	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2418	]
1738
1739	\@paths
1740	}	2419	}
1741		2420
1742	package cf;	2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
1743		2452
1744	=back	2453	=back
1745		2454
1746	=head3 cf::object	2455	=head3 cf::object
1747		2456
…		…
1751		2460
1752	=over 4	2461	=over 4
1753		2462
1754	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
1755		2464
1756	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
1757		2467
1758	=cut	2468	=cut
1759		2469
1760	sub inv_recursive_;	2470	sub inv_recursive_;
1761	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
1764		2474
1765	sub inv_recursive {	2475	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
1767	}	2477	}
1768		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
1769	package cf;	2507	package cf;
1770		2508
1771	=back	2509	=back
1772		2510
1773	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2518	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
1782		2520
1783	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
1784		2536
1785	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2538	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
1790		2542
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2543	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2544
1793	if ($self->{record_replies}) {	2545	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2546	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2547
1795	} else {	2548	} else {
		2549	my $pl = $self->contr;
		2550
		2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2552	my $dialog = $pl->{npc_dialog};
		2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2554
		2555	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2558	}
1798	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
1799	}	2570	}
1800		2571
1801	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
1802		2573
1803	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
1816		2587
1817	=item $player_object->enter_link	2588	=item $player_object->enter_link
1818		2589
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2591
1821	The player should be reasonably safe there for short amounts of time. You	2592	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
1823		2596
1824	Will never block.	2597	Will never block.
1825		2598
1826	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
1827		2600
…		…
1847	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2621	my ($self) = @_;
1849		2622
1850	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
1851		2624
		2625	++$self->{_link_recursion};
		2626
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2628
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2630	if $self->map && $self->map->{path} ne "{link}";
1856		2631
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2633	}
1859		2634
1860	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
		2637
		2638	return unless $self->contr->active;
1862		2639
1863	my $link_pos = delete $self->{_link_pos};	2640	my $link_pos = delete $self->{_link_pos};
1864		2641
1865	unless ($map) {	2642	unless ($map) {
1866	# restore original map position	2643	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
1879		2656
1880	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
1883		2660
1884	$map->load;	2661	$map->load;
1885	$map->load_diag;	2662	$map->load_neighbours;
1886		2663
1887	return unless $self->contr->active;	2664	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2665
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
1892	}	2668	# entering was successful
1893		2669	delete $self->{_link_recursion};
1894	cf::player->attach (	2670	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2671	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2672	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2673
1908	# try to abort aborted map switching on player login :)	2674	}
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		2675
1926	=item $player_object->goto ($path, $x, $y)	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2677
		2678	Moves the player to the given map-path and coordinates by first freezing
		2679	her, loading and preparing them map, calling the provided $check callback
		2680	that has to return the map if sucecssful, and then unfreezes the player on
		2681	the new (success) or old (failed) map position. In either case, $done will
		2682	be called at the end of this process.
		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
		2686
1928	=cut	2687	=cut
		2688
		2689	our $GOTOGEN;
1929		2690
1930	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
		2699
		2700	# do generation counting so two concurrent goto's will be executed in-order
		2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2702
1933	$self->enter_link;	2703	$self->enter_link;
1934		2704
1935	(async {	2705	(async {
		2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
1936	my $map = eval {	2727	my $map = eval {
1937	my $map = cf::map::find $path;	2728	my $map = defined $path ? cf::map::find $path : undef;
		2729
		2730	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2731	$map = $map->customise_for ($self);
		2732	$map = $check->($map, $x, $y, $self) if $check && $map;
		2733	} else {
		2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736
1939	$map	2737	$map
		2738	};
		2739
		2740	if ($@) {
		2741	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2743	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2744
		2745	if ($gen == $self->{_goto_generation}) {
		2746	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
		2748	}
		2749
		2750	$done->($self) if $done;
1944	})->prio (1);	2751	})->prio (1);
1945	}	2752	}
1946		2753
1947	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
1948		2755
…		…
1968	}	2775	}
1969		2776
1970	sub prepare_random_map {	2777	sub prepare_random_map {
1971	my ($exit) = @_;	2778	my ($exit) = @_;
1972		2779
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2780	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2781	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2782	# that depends on the exit object
1978		2783
1979	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2786	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2787	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
1986	}	2793	}
1987		2794
1988	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
1989		2796
1990	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2799	my $meta = "$RANDOMDIR/$md5.meta";
1993		2800
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2803	undef $fh;
1997	aio_rename "$meta~", $meta;	2804	aio_rename "$meta~", $meta;
1998		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
2001	}	2812	}
2002	}	2813	}
2003		2814
2004	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
2006		2817
2007	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
2008		2819
2009	if ($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;	2820	$self->enter_link;
2021		2821
2022	(async {	2822	(async {
2023	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
2024	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
		2832	prepare_random_map $exit
		2833	if $exit->slaying eq "/!";
		2834	}
		2835
		2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
		2839
2025	$self->goto ($slaying, $hp, $sp);	2840	$self->goto ($map, $x, $y);
2026		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
2027	1;	2846	1
2028	}) {	2847	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2852
2034	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
…		…
2053		2872
2054	utf8::encode $text;	2873	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2875	}
2057		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2903
		2904	Send a drawinfo or msg packet to the client, formatting the msg for the
		2905	client if neccessary. C<$type> should be a string identifying the type of
		2906	the message, with C<log> being the default. If C<$color> is negative, suppress
		2907	the message unless the client supports the msg packet.
		2908
		2909	=cut
		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
		3025	sub cf::client::send_msg {
		3026	my ($self, $channel, $msg, $color, @extra) = @_;
		3027
		3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
		3030
		3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3032
		3033	# check predefined channels, for the benefit of C
		3034	if ($CHANNEL{$channel}) {
		3035	$channel = $CHANNEL{$channel};
		3036
		3037	$self->ext_msg (channel_info => $channel);
		3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
		3045	}
		3046
		3047	$channel = $channel->{id};
		3048	}
		3049
		3050	return unless @extra || length $msg;
		3051
		3052	# default colour, mask it out
		3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3054	if $color & cf::NDI_DEF;
		3055
		3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
		3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3059	);
		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
2058	=item $client->ext_event ($type, %msg)	3064	=item $client->ext_msg ($type, @msg)
2059		3065
2060	Sends an exti event to the client.	3066	Sends an ext event to the client.
2061		3067
2062	=cut	3068	=cut
2063		3069
2064	sub cf::client::ext_event($$%) {	3070	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3071	my ($self, $type, @msg) = @_;
2066		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3076	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
2069	}	3097	}
2070		3098
2071	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2072		3100
2073	Queues a query to the client, calling the given callback with	3101	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>,	3102	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>.	3103	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3104
2077	Queries can fail, so check the return code. Or don't, as queries will become	3105	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3106	become reliable at some point in the future.
2079		3107
2080	=cut	3108	=cut
2081		3109
2082	sub cf::client::query {	3110	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3111	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3119	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3120	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3121
2094	$self->send_packet ($self->{query_queue}[0][0])	3122	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3123	if @{ $self->{query_queue} } == 1;
		3124
		3125	1
2096	}	3126	}
2097		3127
2098	cf::client->attach (	3128	cf::client->attach (
		3129	on_connect => sub {
		3130	my ($ns) = @_;
		3131
		3132	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3133	},
2099	on_reply => sub {	3134	on_reply => sub {
2100	my ($ns, $msg) = @_;	3135	my ($ns, $msg) = @_;
2101		3136
2102	# this weird shuffling is so that direct followup queries	3137	# this weird shuffling is so that direct followup queries
2103	# get handled first	3138	# get handled first
…		…
2115	} else {	3150	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3151	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3152	}
2118	}	3153	}
2119	},	3154	},
		3155	on_exticmd => sub {
		3156	my ($ns, $buf) = @_;
		3157
		3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3159
		3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
		3168	if (my $cb = $EXTICMD{$type}) {
		3169	@reply = $cb->($ns, @payload);
		3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
		3175	} else {
		3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3177	}
		3178
		3179	cf::override;
		3180	},
2120	);	3181	);
2121		3182
2122	=item $client->async (\&cb)	3183	=item $client->async (\&cb)
2123		3184
2124	Create a new coroutine, running the specified callback. The coroutine will	3185	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3201
2141	$coro	3202	$coro
2142	}	3203	}
2143		3204
2144	cf::client->attach (	3205	cf::client->attach (
2145	on_destroy => sub {	3206	on_client_destroy => sub {
2146	my ($ns) = @_;	3207	my ($ns) = @_;
2147		3208
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3210	},
2150	);	3211	);
…		…
2165	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2167		3228
2168	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2169		3230
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2171		3236
2172	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2173		3238
2174	=pod	3239	=pod
2175		3240
2176	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2177		3242
2178	cf::object contr pay_amount pay_player map	3243	cf::object
		3244	contr pay_amount pay_player map x y force_find force_add destroy
		3245	insert remove name archname title slaying race decrease split
		3246	value
		3247
2179	cf::object::player player	3248	cf::object::player
2180	cf::player peaceful	3249	player
2181	cf::map trigger	3250
		3251	cf::player
		3252	peaceful
		3253
		3254	cf::map
		3255	trigger
2182		3256
2183	=cut	3257	=cut
2184		3258
2185	for (	3259	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2190	) {	3266	) {
2191	no strict 'refs';	3267	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3287
2212	my $qcode = $code;	3288	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2215		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2216	local $_;	3295	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3296
2219	my $eval =	3297	my $eval =
2220	"do {\n"	3298	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3301	. $code
2224	. "\n}"	3302	. "\n}"
2225	;	3303	;
2226		3304
		3305	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2230		3314
2231	if ($@) {	3315	if ($@) {
2232	warn "$@";	3316	warn "$@";
2233	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3337	=cut
2254		3338
2255	sub register_script_function {	3339	sub register_script_function {
2256	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2257		3341
2258	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2260	}	3344	}
2261		3345
2262	=back	3346	=back
2263		3347
2264	=cut	3348	=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	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3349
2435	#############################################################################	3350	#############################################################################
2436	# the server's init and main functions	3351	# the server's init and main functions
2437		3352
2438	sub load_facedata($) {	3353	sub load_facedata($) {
2439	my ($path) = @_;	3354	my ($path) = @_;
		3355
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3361
2441	warn "loading facedata from $path\n";	3362	warn "loading facedata from $path\n";
2442		3363
2443	my $facedata;	3364	my $facedata;
2444	0 < aio_load $path, $facedata	3365	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3368	$facedata = Coro::Storable::thaw $facedata;
2448		3369
2449	$facedata->{version} == 2	3370	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3372
		3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3375	$facedata->{resource}{"res/exp_table"} = {
		3376	type => FT_RSRC,
		3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
		3379	};
		3380	cf::cede_to_tick;
		3381
2452	{	3382	{
2453	my $faces = $facedata->{faceinfo};	3383	my $faces = $facedata->{faceinfo};
2454		3384
2455	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3387
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3388	cf::face::set_visibility $idx, $info->{visibility};
		3389	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3392
		3393	cf::cede_to_tick;
2461	}	3394	}
2462		3395
2463	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3397	next unless $info->{smooth};
		3398
2465	my $idx = cf::face::find $face	3399	my $idx = cf::face::find $face
2466	or next;	3400	or next;
		3401
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3402	if (my $smooth = cf::face::find $info->{smooth}) {
		3403	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3405	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3407	}
2472	Coro::cede;	3408
		3409	cf::cede_to_tick;
2473	}	3410	}
2474	}	3411	}
2475		3412
2476	{	3413	{
2477	my $anims = $facedata->{animinfo};	3414	my $anims = $facedata->{animinfo};
2478		3415
2479	while (my ($anim, $info) = each %$anims) {	3416	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3417	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3418	cf::cede_to_tick;
2482	}	3419	}
2483		3420
2484	cf::anim::invalidate_all; # d'oh	3421	cf::anim::invalidate_all; # d'oh
2485	}	3422	}
2486		3423
		3424	{
		3425	my $res = $facedata->{resource};
		3426
		3427	while (my ($name, $info) = each %$res) {
		3428	if (defined $info->{type}) {
		3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3432	cf::face::set_type $idx, $info->{type};
		3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
		3436
		3437	cf::cede_to_tick;
		3438	}
		3439	}
		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3442
2487	1	3443	1
2488	}	3444	}
2489		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
		3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
		3489	load_resource_file "$MAPDIR/regions"
		3490	or die "unable to load regions file\n";
		3491
		3492	for (cf::region::list) {
		3493	$_->{match} = qr/$_->{match}/
		3494	if exists $_->{match};
		3495	}
		3496	}
		3497
2490	sub reload_facedata {	3498	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3499	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3500	or die "unable to load facedata\n";
2493	}	3501	}
2494		3502
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3503	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3504	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3505	or die "unable to load archetypes\n";
2503	}	3506	}
2504		3507
2505	sub reload_treasures {	3508	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3509	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3510	or die "unable to load treasurelists\n";
2508	}	3511	}
2509		3512
2510	sub reload_resources {	3513	sub reload_resources {
2511	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2512		3515
2513	reload_regions;
2514	reload_facedata;	3516	reload_facedata;
2515	reload_archetypes;	3517	reload_archetypes;
		3518	reload_regions;
2516	reload_treasures;	3519	reload_treasures;
2517		3520
2518	warn "finished reloading resource files\n";	3521	warn "finished reloading resource files\n";
2519	}	3522	}
2520		3523
2521	sub init {	3524	sub reload_config {
2522	reload_resources;	3525	warn "reloading config file...\n";
2523	}
2524		3526
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3528	or return;
2528		3529
2529	local $/;	3530	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2531		3532
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3534
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3537
2537	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2540	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2541	};	3542	};
2542	warn $@ if $@;	3543	warn $@ if $@;
2543	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2544	}	3575	}
2545		3576
2546	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2547	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3590	(async {
2551	Event::one_event;	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
2553	};	3594	};
2554		3595
2555	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
		3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
2556	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2557	load_extensions;	3619	load_extensions;
2558		3620
2559	$TICK_WATCHER->start;	3621	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2561	}	3634	}
2562		3635
2563	#############################################################################	3636	#############################################################################
2564	# initialisation and cleanup	3637	# initialisation and cleanup
2565		3638
2566	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2567	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
2576	},
2577	);	3645	};
		3646	}
		3647	}
		3648
		3649	sub write_runtime_sync {
		3650	my $t0 = AE::time;
		3651
		3652	# first touch the runtime file to show we are still running:
		3653	# the fsync below can take a very very long time.
		3654
		3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3656
		3657	my $guard = cf::lock_acquire "write_runtime";
		3658
		3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3660	or return;
		3661
		3662	my $value = $cf::RUNTIME + 90 + 10;
		3663	# 10 is the runtime save interval, for a monotonic clock
		3664	# 60 allows for the watchdog to kill the server.
		3665
		3666	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3667	and return;
		3668
		3669	# always fsync - this file is important
		3670	aio_fsync $fh
		3671	and return;
		3672
		3673	# touch it again to show we are up-to-date
		3674	aio_utime $fh, undef, undef;
		3675
		3676	close $fh
		3677	or return;
		3678
		3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3680	and return;
		3681
		3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3683
2578	}	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2579	}	3735	}
2580		3736
2581	sub emergency_save() {	3737	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2583		3739
2584	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2585		3741
2586	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2587	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3756	$pl->save;
2595	}	3757	}
2596	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2597		3759
2598	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3763	$map->valid or next;
2602	$map->save;	3764	$map->save;
2603	}	3765	}
2604	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
2605		3767
2606	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2609	};	3775	};
2610		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2611	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2612	}	3783	}
2613		3784
2614	sub post_cleanup {	3785	sub post_cleanup {
2615	my ($make_core) = @_;	3786	my ($make_core) = @_;
2616		3787
2617	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
2619	}	3818	}
2620		3819
2621	sub do_reload_perl() {	3820	sub do_reload_perl() {
2622	# can/must only be called in main	3821	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2624	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
2625	return;	3824	return;
2626	}	3825	}
2627		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2628	warn "reloading...";	3832	warn "reloading...";
2629		3833
2630	warn "entering sync_job";	3834	warn "entering sync_job";
2631		3835
2632	cf::sync_job {	3836	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3838	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
2636		3840
2637	warn "syncing database to disk";	3841	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3843
2640	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2641		3845
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3846	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3849	}
2678		3850
2679	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
2681	}	3853	%EXT_CORO = ();
2682		3854
2683	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3864	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3865
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
2694	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
2695	}	3875	}
2696		3876
2697	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
2698	}	3892	}
2699		3893
2700	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3897
2704	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		3901
2708	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3903	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
2711		3905
2712	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
2713		3907
2714	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
2715	require cf;	3909	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
2717		3911
2718	warn "loading config and database again";	3912	warn "loading config and database again";
2719	cf::cfg_load;	3913	cf::reload_config;
2720		3914
2721	warn "loading extensions";	3915	warn "loading extensions";
2722	cf::load_extensions;	3916	cf::load_extensions;
2723		3917
		3918	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
2727	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
2730		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
2731	warn "leaving sync_job";	3930	warn "leaving sync_job";
2732		3931
2733	1	3932	1
2734	} or do {	3933	} or do {
2735	warn $@;	3934	warn $@;
2736	warn "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
2737	exit 1;
2738	};	3936	};
2739		3937
2740	warn "reloaded";	3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
2741	};	3944	};
2742		3945
2743	our $RELOAD_WATCHER; # used only during reload	3946	our $RELOAD_WATCHER; # used only during reload
2744		3947
2745	sub reload_perl() {	3948	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3949	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3950	# coro crashes during coro_state_free->destroy here.
2748		3951
2749	$RELOAD_WATCHER ||= Event->timer (	3952	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	3953	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	3954
2752	data => WF_AUTOCANCEL,	3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	3956	do_reload_perl;
2755	undef $RELOAD_WATCHER;	3957	undef $RELOAD_WATCHER;
2756	},	3958	};
2757	);	3959	};
2758	}	3960	}
2759		3961
2760	register_command "reload" => sub {	3962	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
2762		3964
2763	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	3966	$who->message ("reloading server.");
		3967	async {
		3968	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	3969	reload_perl;
		3970	};
2766	}	3971	}
2767	};	3972	};
2768		3973
2769	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
2770		3975
…		…
2772		3977
2773	our @WAIT_FOR_TICK;	3978	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	3979	our @WAIT_FOR_TICK_BEGIN;
2775		3980
2776	sub wait_for_tick {	3981	sub wait_for_tick {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2779		3983
2780	my $signal = new Coro::Signal;	3984	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	3985	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	3986	$signal->wait;
2783	}	3987	}
2784		3988
2785	sub wait_for_tick_begin {	3989	sub wait_for_tick_begin {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2788		3991
2789	my $signal = new Coro::Signal;	3992	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3993	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3994	$signal->wait;
2792	}	3995	}
2793		3996
2794	$TICK_WATCHER = Event->timer (	3997	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	3998	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
2804	return;	4001	return;
2805	}	4002	}
2806		4003
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
2810		4005
2811	$RUNTIME += $TICK;	4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2812	$NEXT_TICK += $TICK;
2813		4007
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4010	Coro::async_pool {
		4011	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4012	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4013	or warn "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4014	};
		4015	}
2821		4016
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4018	$sig->send;
2833	}	4019	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	4020	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	4021	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4022	}
2840	);	4023
		4024	$LOAD = ($NOW - $TICK_START) / $TICK;
		4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4026
		4027	if (0) {
		4028	if ($NEXT_TICK) {
		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
		4033	}
		4034	}
2841		4035
2842	{	4036	{
2843	BDB::max_poll_time $TICK * 0.1;	4037	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4038
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	4039	BDB::min_parallel 16;
2853		4040	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4041	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		4042
2869	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4050
2872	cf::sync_job {	4051	cf::sync_job {
2873	eval {	4052	eval {
2874	BDB::db_env_open	4053	BDB::db_env_open
2875	$DB_ENV,	4054	$DB_ENV,
2876	$BDB_ENV_DIR,	4055	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4058	0666;
2880		4059
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4060	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4061	};
2886		4062
2887	cf::cleanup "db_env_open(db): $@" if $@;	4063	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4064	};
2889	}	4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
2890	}	4076	}
2891		4077
2892	{	4078	{
		4079	# configure IO::AIO
		4080
2893	IO::AIO::min_parallel 8;	4081	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4082	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4083	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4084	}
2899	data => WF_AUTOCANCEL,	4085
2900	fd => IO::AIO::poll_fileno,	4086	my $_log_backtrace;
2901	poll => 'r',	4087
2902	prio => 6,	4088	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	4089	my ($msg, @addr) = @_;
2904	);	4090
		4091	$msg =~ s/\n//;
		4092
		4093	# limit the # of concurrent backtraces
		4094	if ($_log_backtrace < 2) {
		4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
		4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
		4100	my @bt = fork_call {
		4101	@addr = map { sprintf "%x", $_ } @addr;
		4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4104	or die "addr2line: $!";
		4105
		4106	my @funcs;
		4107	my @res = <$fh>;
		4108	chomp for @res;
		4109	while (@res) {
		4110	my ($func, $line) = splice @res, 0, 2, ();
		4111	push @funcs, "[$func] $line";
		4112	}
		4113
		4114	@funcs
		4115	};
		4116
		4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4119	LOG llevInfo, "[ABT] $_\n" for @bt;
		4120	--$_log_backtrace;
		4121	};
		4122	} else {
		4123	LOG llevInfo, "[ABT] $msg\n";
		4124	LOG llevInfo, "[ABT] [suppressed]\n";
		4125	}
2905	}	4126	}
2906		4127
2907	# load additional modules	4128	# load additional modules
2908	use cf::pod;	4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
2909		4131
2910	END { cf::emergency_save }	4132	END { cf::emergency_save }
2911		4133
2912	1	4134	1
2913		4135

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