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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 1.547 by root, Sun May 9 22:51:13 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$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		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
60		118
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	121	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
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 thread
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	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153		270
154	$msg .= "\n"	271	$msg .= "\n"
155	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
156		273
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		275
159	utf8::encode $msg;
160	LOG llevError, $msg;	276	LOG llevWarn, $msg;
161	};	277	};
162	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
163		292
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		300
171	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	302	# within the Safe compartment.
173	for my $pkg (qw(	303	for my $pkg (qw(
174	cf::global cf::attachable	304	cf::global cf::attachable
175	cf::object cf::object::player	305	cf::object cf::object::player
176	cf::client cf::player	306	cf::client cf::player
177	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
178	cf::map cf::party cf::region	309	cf::party cf::region
179	)) {	310	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	312	}
183		313
184	$Event::DIED = sub {	314	$EV::DIED = sub {
185	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
186	};	316	};
		317
		318	#############################################################################
187		319
188	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
189		321
190	=over 4	322	=over 4
191		323
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	343	$d
212	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
213	}	345	}
214		346
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
218		348
219	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
220		350
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
225	=item cf::lock_wait $string	376	=item cf::lock_wait $string
226		377
227	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
228		379
229	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
230		381
231	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
234	returned.	385	returned.
235		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
236	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
238		392
239	=cut	393	=item $locked = cf::lock_active $string
240		394
241	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
242		400
243	sub lock_wait($) {	401	sub lock_wait($) {
244	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	403	}
252		404
253	sub lock_acquire($) {	405	sub lock_acquire($) {
254	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
255		408
256	# wait, to be sure we are not locked	409	sub lock_active($) {
257	lock_wait $key;	410	$LOCKS->count ($_[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	}	411	}
266		412
267	sub freeze_mainloop {	413	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
269		415
270	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
272	};	483	}
273	$TICK_WATCHER->stop;	484	};
274	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
275	}	499	}
276		500
277	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
278		502
279	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		508
285	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
286		510
287	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
288		512
289	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
292		517
293	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
296	fast or be very important.	521	fast or be very important.
…		…
298	=cut	523	=cut
299		524
300	sub sync_job(&) {	525	sub sync_job(&) {
301	my ($job) = @_;	526	my ($job) = @_;
302		527
303	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
304	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
306		533
307	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	535
309	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
310		537
311	my $busy = 1;	538	my $busy = 1;
312	my @res;	539	my @res;
313		540
314	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	543	@res = eval { $job->() };
316	warn $@ if $@;	544	error $@ if $@;
317	undef $busy;	545	undef $busy;
318	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
319		547
320	while ($busy) {	548	while ($busy) {
321	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
322	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
323		559
324	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
325	} else {	561	} else {
326	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
327		563
…		…
347	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
348		584
349	$coro	585	$coro
350	}	586	}
351		587
352	sub write_runtime {	588	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		589
355	my $runtime = cf::localdir . "/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
356		594
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
358	or return;
359		596
360	my $value = $cf::RUNTIME + 90 + 10;	597	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	598	reset_signals;
362	# 60 allows for the watchdog to kill the server.	599	}
363		600
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	601	sub fork_call(&@) {
365	and return;	602	my ($cb, @args) = @_;
366		603
367	# always fsync - this file is important	604	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	605	# otherwise perl prematurely frees the stuff :/
369	and return;	606	# TODO: investigate and fix (likely this will be rather laborious)
370		607
371	close $fh	608	my @res = Coro::Util::fork_eval {
372	or return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
373		612
374	aio_rename "$runtime~", $runtime	613	wantarray ? @res : $res[-1]
375	and return;	614	}
376		615
		616	sub objinfo {
377	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
378	}	781	}
379		782
380	=item cf::datalog type => key => value, ...	783	=item cf::datalog type => key => value, ...
381		784
382	Log a datalog packet of the given type with the given key-value pairs.	785	Log a datalog packet of the given type with the given key-value pairs.
383		786
384	=cut	787	=cut
385		788
386	sub datalog($@) {	789	sub datalog($@) {
387	my ($type, %kv) = @_;	790	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	792	}
390		793
391	=back	794	=back
392		795
393	=cut	796	=cut
394		797
395	#############################################################################	798	#############################################################################
396		799
397	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
398		801
399	Many objects in crossfire are so-called attachable objects. That means you can	802	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")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
402		805
403	In the following description, CLASS can be any of C<global>, C<object>	806	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	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	808	Deliantra).
406		809
407	=over 4	810	=over 4
408		811
409	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
410		813
…		…
454	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
455		858
456	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
458		861
459	Some classes such as crossfire maps and objects can specify attachments	862	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.	863	that are attached at load/instantiate time, thus the need for a name.
461		864
462	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
463		866
464	=over 4	867	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
574		977
575	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		982
580	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	984	my $pkg = shift @arg;
582		985
583	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
588		991
589	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		994
592	} elsif (ref $type) {	995	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
594		997
595	} else {	998	} else {
596	shift @arg;	999	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
598	}	1001	}
599	}	1002	}
600	}	1003	}
601		1004
602	sub _object_attach {	1005	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
613	}	1016	}
614		1017
615	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
616	} else {	1019	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1021	}
619		1022
620	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
621	}	1024	}
622		1025
…		…
624	if (ref $_[0]) {	1027	if (ref $_[0]) {
625	_object_attach @_;	1028	_object_attach @_;
626	} else {	1029	} else {
627	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
628	}	1031	}
		1032	_recalc_want;
629	};	1033	};
630		1034
631	# all those should be optimised	1035	# all those should be optimised
632	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1041	reattach ($obj);
638	} else {	1042	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
640	}	1044	}
		1045	_recalc_want;
641	};	1046	};
642		1047
643	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
645		1050
…		…
660	";	1065	";
661	die if $@;	1066	die if $@;
662	}	1067	}
663		1068
664	our $override;	1069	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1071
667	sub override {	1072	sub override {
668	$override = 1;	1073	$override = 1;
669	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
670	}	1075	}
671		1076
672	sub do_invoke {	1077	sub do_invoke {
673	my $event = shift;	1078	my $event = shift;
674	my $callbacks = shift;	1079	my $callbacks = shift;
675		1080
676	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
677		1082
678	local $override;	1083	local $override;
679		1084
680	for (@$callbacks) {	1085	for (@$callbacks) {
681	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
682		1087
683	if ($@) {	1088	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1090	override;
687	}	1091	}
688		1092
689	return 1 if $override;	1093	return 1 if $override;
690	}	1094	}
691		1095
692	0	1096	0
693	}	1097	}
694		1098
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1100
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1102
699	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
700		1104
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	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	1106	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1108
705	=back	1109	=back
706		1110
707	=cut	1111	=cut
708		1112
709	#############################################################################	1113	#############################################################################
710	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
711		1157
712	sub reattach {	1158	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1160	my ($obj) = @_;
715		1161
		1162	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1164
718	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
719		1166
720	@$registry = ();	1167	@$registry = ();
721		1168
…		…
726	for (@$attach) {	1173	for (@$attach) {
727	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
729	}	1176	}
730	} else {	1177	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1179	}
733	}	1180	}
734	}	1181	}
735		1182
736	cf::attachable->attach (	1183	cf::attachable->attach (
737	prio => -1000000,	1184	prio => -1000000,
738	on_instantiate => sub {	1185	on_instantiate => sub {
739	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
740		1187
741	$data = from_json $data;	1188	$data = decode_json $data;
742		1189
743	for (@$data) {	1190	for (@$data) {
744	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
745		1192
746	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1209	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
764		1211
765	sync_job {	1212	sync_job {
766	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
769		1218
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
774	close $fh;	1226	aio_close $fh;
775		1227
776	if (@$objs) {	1228	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	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;
		1235	aio_fsync $fh;
		1236	}
782	close $fh;	1237	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
784	}	1239	}
785	} else {	1240	} else {
786	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
787	}	1242	}
788		1243
789	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1248	} else {
791	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
792	}	1250	}
793	} else {	1251	} else {
794	aio_unlink $filename;	1252	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
796	}	1254	}
797	}	1255	};
798	}	1256	}
799		1257
800	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
802		1260
…		…
814	or return;	1272	or return;
815		1273
816	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
818	or return;	1276	or return;
		1277
819	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
820	}	1280	}
821		1281
		1282	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
824	return ($data, $av);	1287	($data, $av)
825	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
826		1295
827	#############################################################################	1296	#############################################################################
828	# command handling &c	1297	# command handling &c
829		1298
830	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1313	}
845		1314
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1316
848	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
849		1322
850	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
851	called.	1324	called.
852		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
853	=cut	1337	=cut
854		1338
855	sub register_extcmd {	1339	sub register_extcmd {
856	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
857		1341
858	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
859	}	1343	}
860		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
861	cf::player->attach (	1353	cf::player->attach (
862	on_command => sub {	1354	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
864		1356
865	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
866	or return;	1358	or return;
867		1359
…		…
872	cf::override;	1364	cf::override;
873	},	1365	},
874	on_extcmd => sub {	1366	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
876		1368
877	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1370
879	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
885	} else {	1386	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1388	}
888		1389
889	cf::override;	1390	cf::override;
890	},	1391	},
891	);	1392	);
892		1393
		1394	# "readahead" all extensions
893	sub load_extension {	1395	sub cache_extensions {
894	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
895		1397
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1400	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	}	1401	}
921	die $@;
922	}	1402	};
923		1403
924	push @EXTS, $pkg;	1404	$grp
925	}	1405	}
926		1406
927	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
928	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1414	next unless -r $path;
930	eval {	1415
931	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
932	1	1479	}
933	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
934	}	1490	};
935	}	1491	}
936		1492
937	#############################################################################	1493	#############################################################################
938		1494
		1495	=back
		1496
939	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
940		1498
941	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
942		1500
943	=cut	1501	=cut
944		1502
945	package cf::player;	1503	package cf::player;
946		1504
…		…
948		1506
949	=head3 cf::player	1507	=head3 cf::player
950		1508
951	=over 4	1509	=over 4
952		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
953	=item cf::player::find $login	1525	=item cf::player::find $login
954		1526
955	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
956		1528
957	=cut	1529	=cut
958		1530
959	sub playerdir($) {	1531	sub playerdir($) {
960	cf::localdir	1532	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1534	}
966		1535
967	sub path($) {	1536	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1547
979	sub exists($) {	1548	sub exists($) {
980	my ($login) = @_;	1549	my ($login) = @_;
981		1550
982	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
984	}	1553	}
985		1554
986	sub find($) {	1555	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1557	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1567	aio_unlink +(playerdir $login) . "/$login.pl";
999		1568
1000	my $pl = load_pl path $login	1569	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1003	}	1578	}
1004	}	1579	}
1005	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1006		1594
1007	sub save($) {	1595	sub save($) {
1008	my ($pl) = @_;	1596	my ($pl) = @_;
1009		1597
1010	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1016		1604
1017	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1019		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1020	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1021	Coro::cede;	1614	cf::cede_to_tick;
1022	}	1615	}
1023		1616
1024	sub new($) {	1617	sub new($) {
1025	my ($login) = @_;	1618	my ($login) = @_;
1026		1619
…		…
1032	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1033		1626
1034	$self	1627	$self
1035	}	1628	}
1036		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1037	=item $pl->quit_character	1640	=item $pl->quit_character
1038		1641
1039	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1041		1644
…		…
1045	my ($pl) = @_;	1648	my ($pl) = @_;
1046		1649
1047	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1048		1651
1049	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1654
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1056		1663
1057	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1089		1696
1090	=cut	1697	=cut
1091		1698
1092	sub list_logins {	1699	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1701	or return [];
1095		1702
1096	my @logins;	1703	my @logins;
1097		1704
1098	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1102		1715
1103	utf8::decode $login;	1716	utf8::decode $login;
1104	push @logins, $login;	1717	push @logins, $login;
1105	}	1718	}
1106		1719
1107	\@logins	1720	\@logins
1108	}	1721	}
1109		1722
1110	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1111		1726
1112	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1113	player. May block.	1728	player. May block.
1114		1729
1115	=cut	1730	=cut
…		…
1133	}	1748	}
1134		1749
1135	\@paths	1750	\@paths
1136	}	1751	}
1137		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1138	=item $player->ext_reply ($msgid, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1139		1758
1140	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1141		1760
1142	=cut	1761	=cut
1143		1762
1144	sub ext_reply($$%) {	1763	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1146		1765
1147	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1767	}
1151		1768
1152	=item $player->ext_event ($type, %msg)	1769	=item $player->ext_msg ($type, @msg)
1153		1770
1154	Sends an ext event to the client.	1771	Sends an ext event to the client.
1155		1772
1156	=cut	1773	=cut
1157		1774
1158	sub ext_event($$%) {	1775	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1776	my ($self, $type, @msg) = @_;
1160		1777
1161	$self->ns->ext_event ($type, %msg);	1778	$self->ns->ext_msg ($type, @msg);
1162	}	1779	}
1163		1780
1164	=head3 cf::region	1781	=head3 cf::region
1165		1782
1166	=over 4	1783	=over 4
…		…
1169		1786
1170	package cf::region;	1787	package cf::region;
1171		1788
1172	=item cf::region::find_by_path $path	1789	=item cf::region::find_by_path $path
1173		1790
1174	Tries to decuce the probable region for a map knowing only its path.	1791	Tries to decuce the likely region for a map knowing only its path.
1175		1792
1176	=cut	1793	=cut
1177		1794
1178	sub find_by_path($) {	1795	sub find_by_path($) {
1179	my ($path) = @_;	1796	my ($path) = @_;
1180		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
1181	my ($match, $specificity);	1800	my ($match, $specificity);
1182		1801
1183	for my $region (list) {	1802	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1803	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1804	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1805	if $region->specificity > $specificity;
1187	}	1806	}
1188	}	1807	}
1189		1808
…		…
1210	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1212		1831
1213	sub generate_random_map {	1832	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1215	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1838	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1238		1860
1239	sub register {	1861	sub register {
1240	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1863	my $pkg = caller;
1242		1864
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1866
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1868	}
1248		1869
1249	# also paths starting with '/'	1870	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1872
1252	sub thawer_merge {	1873	sub thawer_merge {
1253	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1254		1875
1255	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1256	local $self->{path};	1877	local $self->{path};
1257	local $self->{load_path};	1878	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1879
1261	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1262	}	1881	}
1263		1882
1264	sub normalise {	1883	sub normalise {
1265	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1266		1885
1267	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1268		1887
1269	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1270		1889
1271	# map plan:	1890	# map plan:
1272	#	1891	#
…		…
1311	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1312	return $self;	1931	return $self;
1313	}	1932	}
1314	}	1933	}
1315		1934
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1936	()
1318	}	1937	}
1319		1938
1320	sub init {	1939	sub init {
1321	my ($self) = @_;	1940	my ($self) = @_;
…		…
1336		1955
1337	# the original (read-only) location	1956	# the original (read-only) location
1338	sub load_path {	1957	sub load_path {
1339	my ($self) = @_;	1958	my ($self) = @_;
1340		1959
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1960	"$MAPDIR/$self->{path}.map"
1342	}	1961	}
1343		1962
1344	# the temporary/swap location	1963	# the temporary/swap location
1345	sub save_path {	1964	sub save_path {
1346	my ($self) = @_;	1965	my ($self) = @_;
1347		1966
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1968	"$TMPDIR/$path.map"
1350	}	1969	}
1351		1970
1352	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1353	sub uniq_path {	1972	sub uniq_path {
1354	my ($self) = @_;	1973	my ($self) = @_;
1355		1974
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1976	"$UNIQUEDIR/$path"
1358	}	1977	}
1359		1978
1360	# and all this just because we cannot iterate over	1979	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1980	my ($self) = @_;
1364		1981
1365	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1367	}	1985	}
1368		1986
1369	sub unlink_save {	1987	sub unlink_save {
1370	my ($self) = @_;	1988	my ($self) = @_;
1371		1989
…		…
1376		1994
1377	sub load_header_from($) {	1995	sub load_header_from($) {
1378	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1379		1997
1380	utf8::encode $path;	1998	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1386		2007
1387	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1388		2009
1389	1	2010	1
1390	}	2011	}
…		…
1429	$self->load_header_orig	2050	$self->load_header_orig
1430	or return;	2051	or return;
1431	$self->prepare_orig;	2052	$self->prepare_orig;
1432	}	2053	}
1433		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
1434	$self->default_region (cf::region::find_by_path $self->{path})	2058	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2059	unless $self->default_region;
1436		2060
1437	1	2061	1
1438	}	2062	}
1439		2063
1440	sub find;	2064	sub find;
1441	sub find {	2065	sub find {
1442	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1443		2067
		2068	cf::cede_to_tick;
		2069
1444	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1445		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2074
1448	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1451	or return;	2077	or return;
1452		2078
1453	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1454		2080
1455	$map->load_header	2081	$map->load_header
1456	or return;	2082	or return;
1457		2083
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1461	$map->reset;	2089	$map->reset;
1462	undef $guard;
1463	return find $path;	2090	return find $path;
1464	}	2091	}
1465		2092
1466	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1467	}	2094	}
1468	}	2095	}
1469		2096
1470	sub pre_load { }	2097	sub pre_load { }
1471	sub post_load { }	2098	#sub post_load { } # XS
1472		2099
1473	sub load {	2100	sub load {
1474	my ($self) = @_;	2101	my ($self) = @_;
1475		2102
1476	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1477		2104
1478	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1480		2109
		2110	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2112
1483	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1484		2114
1485	$self->alloc;	2115	$self->alloc;
1486		2116
1487	$self->pre_load;	2117	$self->pre_load;
1488	Coro::cede;	2118	cf::cede_to_tick;
1489		2119
1490	$self->_load_objects ($self->{load_path}, 1)	2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1491	or return;	2123	or return;
1492		2124
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1494	if delete $self->{load_original};	2126	if delete $self->{load_original};
1495		2127
1496	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2129	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2132	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1501	}	2136	}
1502	}	2137	}
1503		2138
1504	Coro::cede;	2139	$f->resolve_delayed_derefs;
		2140
		2141	cf::cede_to_tick;
1505	# now do the right thing for maps	2142	# now do the right thing for maps
1506	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	2144	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2145	unless $self->difficulty;
1517	Coro::cede;	2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1518	$self->activate;	2153	$self->activate;
1519	Coro::cede;	2154	}
		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
		2159	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2160	}
1521		2161
1522	$self->post_load;	2162	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2163	}
1527		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2168	sub customise_for {
1529	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1530		2170
1531	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2172	if $self->per_player;
1533		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1534	$self	2177	$self
1535	}	2178	}
1536		2179
1537	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2181	sub load_neighbours {
1539	my ($map) = @_;	2182	my ($map) = @_;
1540		2183
1541	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1542		2185
1543	for (0 .. 3) {	2186	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1545	or next;	2188	or next;
1546	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1547	or next;	2190	or next;
1548	$neigh->load;	2191	$neigh->load;
1549		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2197	}
1553		2198
1554	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1556	or next;	2202	or next;
1557	$neigh->load;	2203	$neigh->load;
1558	}	2204	}
1559	}	2205	}
1560		2206
1561	sub find_sync {	2207	sub find_sync {
1562	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1563		2209
1564	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1565	}	2214	}
1566		2215
1567	sub do_load_sync {	2216	sub do_load_sync {
1568	my ($map) = @_;	2217	my ($map) = @_;
1569		2218
1570	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1571	}	2223	}
1572		2224
1573	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1575		2227
1576	sub find_async {	2228	sub find_async {
1577	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1578		2230
1579	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1580		2232
1581	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2235	}
1584		2236
1585	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1586	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1587	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2244	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2245	$map->load if $v;
		2246	}
1592		2247
1593	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1594	}	2249	}
1595	}	2250	}
1596	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1597	};	2252	};
1598	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1599		2254
1600	()	2255	()
1601	}	2256	}
1602		2257
		2258	# common code, used by both ->save and ->swapout
1603	sub save {	2259	sub _save {
1604	my ($self) = @_;	2260	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2261
1608	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1609		2263
1610	return unless $self->dirty;	2264	return unless $self->dirty;
1611		2265
…		…
1617	return if $self->{deny_save};	2271	return if $self->{deny_save};
1618		2272
1619	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1620		2274
1621	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1623	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1624		2281
1625	if ($uniq) {	2282	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2285	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2287	}
1631	}	2288	}
1632		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1633	sub swap_out {	2298	sub swap_out {
1634	my ($self) = @_;	2299	my ($self) = @_;
1635		2300
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1641	return if $self->players;	2305	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1645	$self->clear;	2316	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2317	}
1648		2318
1649	sub reset_at {	2319	sub reset_at {
1650	my ($self) = @_;	2320	my ($self) = @_;
1651		2321
1652	# TODO: safety, remove and allow resettable per-player maps	2322	# 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};	2323	return 1e99 if $self->{deny_reset};
1655		2324
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2327
…		…
1669	my ($self) = @_;	2338	my ($self) = @_;
1670		2339
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2341
1673	return if $self->players;	2342	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2343
1676	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1677		2345
1678	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1679		2347
1680	# need to save uniques path	2348	# need to save uniques path
1681	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2353	if $uniq;
1686	}	2354	}
1687		2355
1688	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1689		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2360	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2361
1694	$self->unlink_save;	2362	$self->unlink_save;
1695	$self->destroy;	2363	$self->destroy;
1696	}	2364	}
1697		2365
1698	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1699		2367
1700	sub nuke {	2368	sub nuke {
1701	my ($self) = @_;	2369	my ($self) = @_;
1702		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1703	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1704		2375
1705	$self->unlink_save;	2376	$self->unlink_save;
1706		2377
1707	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2383
1713	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1714		2386
1715	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1716	}	2424	}
1717		2425
1718	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1719		2427
1720	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2429	instantiated unique items. May block.
1722		2430
1723	=cut	2431	=cut
1724		2432
1725	sub unique_maps() {	2433	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2434	[
1727	or return;	2435	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2436	utf8::decode $_;
1733	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2439	? ()
1736	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2442	]
1738
1739	\@paths
1740	}	2443	}
1741		2444
1742	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1743		2476
1744	=back	2477	=back
1745		2478
1746	=head3 cf::object	2479	=head3 cf::object
1747		2480
…		…
1751		2484
1752	=over 4	2485	=over 4
1753		2486
1754	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1755		2488
1756	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1757		2491
1758	=cut	2492	=cut
1759		2493
1760	sub inv_recursive_;	2494	sub inv_recursive_;
1761	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1764		2498
1765	sub inv_recursive {	2499	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1767	}	2501	}
1768		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1769	package cf;	2531	package cf;
1770		2532
1771	=back	2533	=back
1772		2534
1773	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	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	2542	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1782		2544
1783	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1784		2560
1785	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2562	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1790		2566
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2568
1793	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1795	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1798	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1799	}	2594	}
1800		2595
1801	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1802		2597
1803	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1816		2611
1817	=item $player_object->enter_link	2612	=item $player_object->enter_link
1818		2613
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2615
1821	The player should be reasonably safe there for short amounts of time. You	2616	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.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1823		2620
1824	Will never block.	2621	Will never block.
1825		2622
1826	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1827		2624
…		…
1847	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2645	my ($self) = @_;
1849		2646
1850	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1851		2648
		2649	++$self->{_link_recursion};
		2650
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2652
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1856		2655
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2657	}
1859		2658
1860	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1862		2663
1863	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1864		2665
1865	unless ($map) {	2666	unless ($map) {
1866	# restore original map position	2667	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1879		2680
1880	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1883		2684
1884	$map->load;	2685	$map->load;
1885	$map->load_diag;	2686	$map->load_neighbours;
1886		2687
1887	return unless $self->contr->active;	2688	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2689
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1892	}	2692	# entering was successful
1893		2693	delete $self->{_link_recursion};
1894	cf::player->attach (	2694	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2695	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2696	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2697
1908	# try to abort aborted map switching on player login :)	2698	}
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		2699
1926	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1928	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1929		2714
1930	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2726
1933	$self->enter_link;	2727	$self->enter_link;
1934		2728
1935	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1936	my $map = eval {	2751	my $map = eval {
1937	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
		2757	} else {
		2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760
1939	$map	2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2767	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1944	})->prio (1);	2775	})->prio (1);
1945	}	2776	}
1946		2777
1947	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1948		2779
…		…
1968	}	2799	}
1969		2800
1970	sub prepare_random_map {	2801	sub prepare_random_map {
1971	my ($exit) = @_;	2802	my ($exit) = @_;
1972		2803
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2806	# that depends on the exit object
1978		2807
1979	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2810	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1986	}	2817	}
1987		2818
1988	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1989		2820
1990	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
1993		2824
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2827	undef $fh;
1997	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
1998		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
2001	}	2836	}
2002	}	2837	}
2003		2838
2004	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
2006		2841
2007	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
2008		2843
2009	if ($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;	2844	$self->enter_link;
2021		2845
2022	(async {	2846	(async {
2023	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
2024	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
2025	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
2026		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
2027	1;	2870	1
2028	}) {	2871	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2876
2034	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2878	$self->leave_link;
2036	}	2879	}
2037	})->prio (1);	2880	})->prio (1);
2038	}	2881	}
2039		2882
…		…
2053		2896
2054	utf8::encode $text;	2897	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2899	}
2057		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
2058	=item $client->ext_event ($type, %msg)	3088	=item $client->ext_msg ($type, @msg)
2059		3089
2060	Sends an exti event to the client.	3090	Sends an ext event to the client.
2061		3091
2062	=cut	3092	=cut
2063		3093
2064	sub cf::client::ext_event($$%) {	3094	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3095	my ($self, $type, @msg) = @_;
2066		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3100	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
2069	}	3121	}
2070		3122
2071	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
2072		3124
2073	Queues a query to the client, calling the given callback with	3125	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>,	3126	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>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3128
2077	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3130	become reliable at some point in the future.
2079		3131
2080	=cut	3132	=cut
2081		3133
2082	sub cf::client::query {	3134	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3143	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3145
2094	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2096	}	3150	}
2097		3151
2098	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2099	on_reply => sub {	3158	on_reply => sub {
2100	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2101		3160
2102	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2103	# get handled first	3162	# get handled first
…		…
2115	} else {	3174	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3176	}
2118	}	3177	}
2119	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2120	);	3205	);
2121		3206
2122	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2123		3208
2124	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3225
2141	$coro	3226	$coro
2142	}	3227	}
2143		3228
2144	cf::client->attach (	3229	cf::client->attach (
2145	on_destroy => sub {	3230	on_client_destroy => sub {
2146	my ($ns) = @_;	3231	my ($ns) = @_;
2147		3232
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3234	},
2150	);	3235	);
…		…
2165	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2167		3252
2168	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2169		3254
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2171		3260
2172	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2173		3262
2174	=pod	3263	=pod
2175		3264
2176	The following functions and methods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2177		3266
2178	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2179	cf::object::player player	3272	cf::object::player
2180	cf::player peaceful	3273	player
2181	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2182		3280
2183	=cut	3281	=cut
2184		3282
2185	for (	3283	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2190	) {	3290	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3293	for @funs;
2195	}	3294	}
2196		3295
…		…
2211		3310
2212	my $qcode = $code;	3311	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2215		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2216	local $_;	3318	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3319
2219	my $eval =	3320	my $eval =
2220	"do {\n"	3321	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3324	. $code
2224	. "\n}"	3325	. "\n}"
2225	;	3326	;
2226		3327
		3328	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2230		3337
2231	if ($@) {	3338	if ($@) {
2232	warn "$@";	3339	warn "$@",
2233	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2235	}	3342	}
2236		3343
2237	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2238	}	3345	}
2239		3346
…		…
2253	=cut	3360	=cut
2254		3361
2255	sub register_script_function {	3362	sub register_script_function {
2256	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2257		3364
2258	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2260	}	3367	}
2261		3368
2262	=back	3369	=back
2263		3370
2264	=cut	3371	=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 $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3372
2435	#############################################################################	3373	#############################################################################
2436	# the server's init and main functions	3374	# the server's init and main functions
2437		3375
2438	sub load_facedata($) {	3376	sub load_facedata($) {
2439	my ($path) = @_;	3377	my ($path) = @_;
2440		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
2441	warn "loading facedata from $path\n";	3385	trace "loading facedata from $path\n";
2442		3386
2443	my $facedata;
2444	0 < aio_load $path, $facedata	3387	0 < aio_load $path, my $facedata
2445	or die "$path: $!";	3388	or die "$path: $!";
2446		3389
2447	$facedata = Coro::Storable::thaw $facedata;	3390	$facedata = Coro::Storable::thaw $facedata;
2448		3391
2449	$facedata->{version} == 2	3392	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
2452	{	3404	{
2453	my $faces = $facedata->{faceinfo};	3405	my $faces = $facedata->{faceinfo};
2454		3406
2455	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3414
		3415	cf::cede_to_tick;
2461	}	3416	}
2462		3417
2463	while (my ($face, $info) = each %$faces) {	3418	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3419	next unless $info->{smooth};
		3420
2465	my $idx = cf::face::find $face	3421	my $idx = cf::face::find $face
2466	or next;	3422	or next;
		3423
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3427	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3428	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3429	}
2472	Coro::cede;	3430
		3431	cf::cede_to_tick;
2473	}	3432	}
2474	}	3433	}
2475		3434
2476	{	3435	{
2477	my $anims = $facedata->{animinfo};	3436	my $anims = $facedata->{animinfo};
2478		3437
2479	while (my ($anim, $info) = each %$anims) {	3438	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3440	cf::cede_to_tick;
2482	}	3441	}
2483		3442
2484	cf::anim::invalidate_all; # d'oh	3443	cf::anim::invalidate_all; # d'oh
2485	}	3444	}
2486		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
2487	1	3465	1
2488	}	3466	}
2489		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
		3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
		3498	}
		3499
2490	sub reload_facedata {	3500	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3501	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3502	or die "unable to load facedata\n";
2493	}	3503	}
2494		3504
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 {	3505	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3506	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3507	or die "unable to load archetypes\n";
2503	}	3508	}
2504		3509
2505	sub reload_treasures {	3510	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3511	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3512	or die "unable to load treasurelists\n";
2508	}	3513	}
2509		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
2510	sub reload_resources {	3538	sub reload_resources {
2511	warn "reloading resource files...\n";	3539	trace "reloading resource files...\n";
2512		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
2513	reload_regions;	3546	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3547	reload_treasures;
2517		3548
2518	warn "finished reloading resource files\n";	3549	trace "finished reloading resource files\n";
2519	}	3550	}
2520		3551
2521	sub init {	3552	sub reload_config {
2522	reload_resources;	3553	trace "reloading config file...\n";
2523	}
2524		3554
2525	sub cfg_load {	3555	0 < aio_load "$CONFDIR/config", my $config
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3556	or die "$CONFDIR/config: $!";
2527	or return;
2528		3557
2529	local $/;	3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2530	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2531		3562
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3564
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$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};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3567
2537	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2541	};	3572	};
2542	warn $@ if $@;	3573	warn $@ if $@;
2543	}	3574	}
2544	}	3575	}
2545		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2546	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2547	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3618	(async {
2551	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2553	};	3622	};
2554		3623
2555	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2556	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2557	load_extensions;	3647	load_extensions;
2558		3648
2559	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2561	}	3667	}
2562		3668
2563	#############################################################################	3669	#############################################################################
2564	# initialisation and cleanup	3670	# initialisation and cleanup
2565		3671
2566	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2567	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3676	$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";	3677	cf::cleanup "SIG$signal";
2576	},
2577	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2578	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2579	}	3768	}
2580		3769
2581	sub emergency_save() {	3770	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2583		3772
2584	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2585		3779
2586	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2587	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3791	$pl->save;
2595	}	3792	}
2596	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2597		3794
2598	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3800	$map->valid or next;
2602	$map->save;	3801	$map->save;
2603	}	3802	}
2604	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2605		3804
2606	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3833	};
2610		3834
2611	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2612	}	3836	}
2613		3837
2614	sub post_cleanup {	3838	sub post_cleanup {
2615	my ($make_core) = @_;	3839	my ($make_core) = @_;
2616		3840
		3841	IO::AIO::flush;
		3842
2617	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
2619	}	3873	}
2620		3874
2621	sub do_reload_perl() {	3875	sub do_reload_perl() {
2622	# can/must only be called in main	3876	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2624	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2625	return;	3879	return;
2626	}	3880	}
2627		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2628	warn "reloading...";	3888	info "reloading...";
2629		3889
2630	warn "entering sync_job";	3890	trace "entering sync_job";
2631		3891
2632	cf::sync_job {	3892	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3893	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3894
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
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";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3897	%EXT_CORO = ();
2661		3898
2662	warn "removing commands";	3899	trace "removing commands";
2663	%COMMAND = ();	3900	%COMMAND = ();
2664		3901
2665	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2666	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2667		3905
2668	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2671		3909
2672	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3911	eval {
2674	$cb->($pkg);	3912	$cb->($pkg);
2675	1	3913	1
2676	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2677	}	3919	}
2678		3920
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3924
2687	warn "... unloading $k";	3925	trace "... unloading $k";
2688	delete $INC{$k};	3926	delete $INC{$k};
2689		3927
2690	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2692		3930
2693	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2695	}	3936	}
2696		3937
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3941
2704	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		3945
2708	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3947	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2711		3949
2712	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2713		3951
2714	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2715	require cf;	3953	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2717		3955
2718	warn "loading config and database again";	3956	trace "loading config and database again";
2719	cf::cfg_load;	3957	cf::reload_config;
2720		3958
2721	warn "loading extensions";	3959	trace "loading extensions";
2722	cf::load_extensions;	3960	cf::load_extensions;
2723		3961
		3962	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	3964	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2727	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	3967	trace "reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	3968	reattach $_ for values %PLAYER;
		3969	}
2730		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
2731	warn "leaving sync_job";	3974	trace "leaving sync_job";
2732		3975
2733	1	3976	1
2734	} or do {	3977	} or do {
2735	warn $@;	3978	error $@;
2736	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2737	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
2738	};	3984	}
2739		3985
2740	warn "reloaded";	3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
2741	};	3988	};
2742		3989
2743	our $RELOAD_WATCHER; # used only during reload	3990	our $RELOAD_WATCHER; # used only during reload
2744		3991
2745	sub reload_perl() {	3992	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3993	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3994	# coro crashes during coro_state_free->destroy here.
2748		3995
2749	$RELOAD_WATCHER ||= Event->timer (	3996	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	3997	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	3998
2752	data => WF_AUTOCANCEL,	3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	4000	do_reload_perl;
2755	undef $RELOAD_WATCHER;	4001	undef $RELOAD_WATCHER;
2756	},	4002	};
2757	);	4003	};
2758	}	4004	}
2759		4005
2760	register_command "reload" => sub {	4006	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2762		4008
2763	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	4013	reload_perl;
		4014	};
2766	}	4015	}
2767	};	4016	};
2768		4017
2769	unshift @INC, $LIBDIR;	4018	#############################################################################
2770		4019
2771	my $bug_warning = 0;	4020	my $bug_warning = 0;
2772		4021
2773	our @WAIT_FOR_TICK;	4022	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	4023	our @WAIT_FOR_TICK_BEGIN;
2775		4024
2776	sub wait_for_tick {	4025	sub wait_for_tick() {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2779		4027
2780	my $signal = new Coro::Signal;	4028	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	4029	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	4030	$signal->wait;
2783	}	4031	}
2784		4032
2785	sub wait_for_tick_begin {	4033	sub wait_for_tick_begin() {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2788		4035
2789	my $signal = new Coro::Signal;	4036	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	4037	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	4038	$signal->wait;
2792	}	4039	}
2793		4040
2794	$TICK_WATCHER = Event->timer (	4041	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) {	4042	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2804	return;	4045	return;
2805	}	4046	}
2806		4047
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2810		4049
2811	$RUNTIME += $TICK;	4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2812	$NEXT_TICK += $TICK;
2813		4051
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4054	Coro::async_pool {
		4055	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4056	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4058	};
		4059	}
2821		4060
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) {	4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4062	$sig->send;
2833	}	4063	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	4064	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	4065	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4066	}
2840	);	4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
2841		4079
2842	{	4080	{
2843	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4082
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;	4083	BDB::min_parallel 16;
2853		4084	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4085	$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		4086
2869	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4094
2872	cf::sync_job {	4095	cf::sync_job {
2873	eval {	4096	eval {
2874	BDB::db_env_open	4097	BDB::db_env_open
2875	$DB_ENV,	4098	$DB_ENV,
2876	$BDB_ENV_DIR,	4099	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4102	0666;
2880		4103
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4104	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	};	4105	};
2886		4106
2887	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4108	};
2889	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2890	}	4120	}
2891		4121
2892	{	4122	{
		4123	# configure IO::AIO
		4124
2893	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4128	}
2899	data => WF_AUTOCANCEL,	4129
2900	fd => IO::AIO::poll_fileno,	4130	my $_log_backtrace;
2901	poll => 'r',	4131
2902	prio => 6,	4132	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	4133	my ($msg, @addr) = @_;
2904	);	4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
2905	}	4170	}
2906		4171
2907	# load additional modules	4172	# load additional modules
2908	use cf::pod;	4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2909		4175
2910	END { cf::emergency_save }	4176	END { cf::emergency_save }
2911		4177
2912	1	4178	1
2913		4179

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