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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 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;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	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::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		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
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	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
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
153	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.
154		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
155	=back	253	=back
156		254
157	=cut	255	=cut
158		256
159	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	264	my $msg = join "", @_;
162		265
163	$msg .= "\n"	266	$msg .= "\n"
164	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
165		268
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		270
168	utf8::encode $msg;
169	LOG llevError, $msg;	271	LOG llevWarn, $msg;
170	};	272	};
171	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
172		287
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		295
180	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	297	# within the Safe compartment.
182	for my $pkg (qw(	298	for my $pkg (qw(
183	cf::global cf::attachable	299	cf::global cf::attachable
184	cf::object cf::object::player	300	cf::object cf::object::player
185	cf::client cf::player	301	cf::client cf::player
186	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
187	cf::map cf::party cf::region	304	cf::party cf::region
188	)) {	305	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	307	}
192		308
193	$Event::DIED = sub {	309	$EV::DIED = sub {
194	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
195	};	311	};
		312
		313	#############################################################################
196		314
197	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
198		316
199	=over 4	317	=over 4
200		318
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	338	$d
221	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
222	}	340	}
223		341
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
227		343
228	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
229		345
230	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
231		347
232	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
233		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
249		389
250	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
251		391
252	=cut	392	=cut
253		393
254	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
255		395
256	sub lock_wait($) {	396	sub lock_wait($) {
257	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	398	}
265		399
266	sub lock_acquire($) {	400	sub lock_acquire($) {
267	my ($key) = @_;	401	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	402	}
279		403
280	sub lock_active($) {	404	sub lock_active($) {
281	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	406	}
285		407
286	sub freeze_mainloop {	408	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
288		410
289	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
291	};	478	}
292	$TICK_WATCHER->stop;	479	};
293	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
294	}	494	}
295		495
296	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
297		497
298	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		503
304	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
305		505
306	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
307		507
308	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
311		512
312	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
315	fast or be very important.	516	fast or be very important.
…		…
317	=cut	518	=cut
318		519
319	sub sync_job(&) {	520	sub sync_job(&) {
320	my ($job) = @_;	521	my ($job) = @_;
321		522
322	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
323	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
325		528
326	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	530
328	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
329		532
330	my $busy = 1;	533	my $busy = 1;
331	my @res;	534	my @res;
332		535
333	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	538	@res = eval { $job->() };
335	warn $@ if $@;	539	error $@ if $@;
336	undef $busy;	540	undef $busy;
337	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
338		542
339	while ($busy) {	543	while ($busy) {
340	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
341	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
342		554
343	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
344	} else {	556	} else {
345	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
346		558
…		…
366	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
367		579
368	$coro	580	$coro
369	}	581	}
370		582
371	sub write_runtime {	583	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		584
374	my $runtime = "$LOCALDIR/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
375		589
376	warn "starting to write runtime...\n";#d#	590	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		591
380	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		594
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
385	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
386		598
387	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	600	reset_signals;
389	and return;	601	&$cb
		602	}, @args;
390		603
391	close $fh	604	wantarray ? @res : $res[-1]
392	or return;	605	}
393		606
394	aio_rename "$runtime~", $runtime	607	sub objinfo {
395	and return;
396
397	warn "... done writing runtime.\n";#d#
398
399	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
400	}	772	}
401		773
402	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
403		775
404	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
405		777
406	=cut	778	=cut
407		779
408	sub datalog($@) {	780	sub datalog($@) {
409	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411	}	783	}
412		784
413	=back	785	=back
414		786
415	=cut	787	=cut
416		788
417	#############################################################################	789	#############################################################################
418		790
419	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
420		792
421	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
422	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
424		796
425	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	799	Deliantra).
428		800
429	=over 4	801	=over 4
430		802
431	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
432		804
…		…
476	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
477		849
478	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
480		852
481	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
482	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
483		855
484	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
485		857
486	=over 4	858	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
596		968
597	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		973
602	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	975	my $pkg = shift @arg;
604		976
605	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
610		982
611	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
612	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613		985
614	} elsif (ref $type) {	986	} elsif (ref $type) {
615	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
616		988
617	} else {	989	} else {
618	shift @arg;	990	shift @arg;
619	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
620	}	992	}
621	}	993	}
622	}	994	}
623		995
624	sub _object_attach {	996	sub _object_attach {
…		…
634	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
635	}	1007	}
636		1008
637	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
638	} else {	1010	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
640	}	1012	}
641		1013
642	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
643	}	1015	}
644		1016
…		…
646	if (ref $_[0]) {	1018	if (ref $_[0]) {
647	_object_attach @_;	1019	_object_attach @_;
648	} else {	1020	} else {
649	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
650	}	1022	}
		1023	_recalc_want;
651	};	1024	};
652		1025
653	# all those should be optimised	1026	# all those should be optimised
654	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1032	reattach ($obj);
660	} else {	1033	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
662	}	1035	}
		1036	_recalc_want;
663	};	1037	};
664		1038
665	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
667		1041
…		…
682	";	1056	";
683	die if $@;	1057	die if $@;
684	}	1058	}
685		1059
686	our $override;	1060	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		1062
689	sub override {	1063	sub override {
690	$override = 1;	1064	$override = 1;
691	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
692	}	1066	}
693		1067
694	sub do_invoke {	1068	sub do_invoke {
695	my $event = shift;	1069	my $event = shift;
696	my $callbacks = shift;	1070	my $callbacks = shift;
697		1071
698	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
699		1073
700	local $override;	1074	local $override;
701		1075
702	for (@$callbacks) {	1076	for (@$callbacks) {
703	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
704		1078
705	if ($@) {	1079	if ($@) {
706	warn "$@";
707	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708	override;	1081	override;
709	}	1082	}
710		1083
711	return 1 if $override;	1084	return 1 if $override;
712	}	1085	}
713		1086
714	0	1087	0
715	}	1088	}
716		1089
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1091
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1093
721	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
722		1095
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1099
727	=back	1100	=back
728		1101
729	=cut	1102	=cut
730		1103
731	#############################################################################	1104	#############################################################################
732	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
733		1148
734	sub reattach {	1149	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1151	my ($obj) = @_;
737		1152
		1153	# no longer needed after getting rid of delete_package?
738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
739		1155
740	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
741		1157
742	@$registry = ();	1158	@$registry = ();
743		1159
…		…
748	for (@$attach) {	1164	for (@$attach) {
749	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
750	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
751	}	1167	}
752	} else {	1168	} else {
753	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
754	}	1170	}
755	}	1171	}
756	}	1172	}
757		1173
758	cf::attachable->attach (	1174	cf::attachable->attach (
759	prio => -1000000,	1175	prio => -1000000,
760	on_instantiate => sub {	1176	on_instantiate => sub {
761	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
762		1178
763	$data = from_json $data;	1179	$data = decode_json $data;
764		1180
765	for (@$data) {	1181	for (@$data) {
766	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
767		1183
768	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1200	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
786		1202
787	sync_job {	1203	sync_job {
788	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
791		1209
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
796	close $fh;	1217	aio_close $fh;
797		1218
798	if (@$objs) {	1219	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
804	close $fh;	1228	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
806	}	1230	}
807	} else {	1231	} else {
808	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
809	}	1233	}
810		1234
811	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1239	} else {
813	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
814	}	1241	}
815	} else {	1242	} else {
816	aio_unlink $filename;	1243	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
818	}	1245	}
819	}	1246	};
820	}	1247	}
821		1248
822	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
824		1251
…		…
836	or return;	1263	or return;
837		1264
838	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
840	or return;	1267	or return;
		1268
841	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
842	}	1271	}
843		1272
		1273	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
846	return ($data, $av);	1278	($data, $av)
847	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
848		1286
849	#############################################################################	1287	#############################################################################
850	# command handling &c	1288	# command handling &c
851		1289
852	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1304	}
867		1305
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1307
870	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
871		1313
872	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
873	called.	1315	called.
874		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
875	=cut	1328	=cut
876		1329
877	sub register_extcmd {	1330	sub register_extcmd {
878	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
879		1332
880	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
881	}	1334	}
882		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
883	cf::player->attach (	1344	cf::player->attach (
884	on_command => sub {	1345	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
886		1347
887	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
888	or return;	1349	or return;
889		1350
…		…
894	cf::override;	1355	cf::override;
895	},	1356	},
896	on_extcmd => sub {	1357	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
898		1359
899	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1361
901	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
907	} else {	1377	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1379	}
910		1380
911	cf::override;	1381	cf::override;
912	},	1382	},
913	);	1383	);
914		1384
		1385	# "readahead" all extensions
915	sub load_extension {	1386	sub cache_extensions {
916	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
917		1388
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1392	}
943	die $@;
944	}	1393	};
945		1394
946	push @EXTS, $pkg;	1395	$grp
947	}	1396	}
948		1397
949	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
950	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1405	next unless -r $path;
952	eval {	1406
953	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
954	1	1471	}
955	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
956	}	1482	};
957	}	1483	}
958		1484
959	#############################################################################	1485	#############################################################################
960		1486
		1487	=back
		1488
961	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
962		1490
963	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
964		1492
965	=cut	1493	=cut
966		1494
967	package cf::player;	1495	package cf::player;
968		1496
969	use Coro::AIO;	1497	use Coro::AIO;
970		1498
971	=head3 cf::player	1499	=head3 cf::player
972		1500
973	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
974		1516
975	=item cf::player::find $login	1517	=item cf::player::find $login
976		1518
977	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
978		1520
…		…
997		1539
998	sub exists($) {	1540	sub exists($) {
999	my ($login) = @_;	1541	my ($login) = @_;
1000		1542
1001	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1003	}	1545	}
1004		1546
1005	sub find($) {	1547	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1549	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1560
1019	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1022	}	1570	}
1023	}	1571	}
1024	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1025		1586
1026	sub save($) {	1587	sub save($) {
1027	my ($pl) = @_;	1588	my ($pl) = @_;
1028		1589
1029	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1035		1596
1036	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1038		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1039	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1040	Coro::cede;	1606	cf::cede_to_tick;
1041	}	1607	}
1042		1608
1043	sub new($) {	1609	sub new($) {
1044	my ($login) = @_;	1610	my ($login) = @_;
1045		1611
…		…
1051	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1052		1618
1053	$self	1619	$self
1054	}	1620	}
1055		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1056	=item $pl->quit_character	1632	=item $pl->quit_character
1057		1633
1058	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1060		1636
…		…
1064	my ($pl) = @_;	1640	my ($pl) = @_;
1065		1641
1066	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1067		1643
1068	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1069	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1070		1646
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1075		1652
1076	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1690	or return [];
1114		1691
1115	my @logins;	1692	my @logins;
1116		1693
1117	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1121		1704
1122	utf8::decode $login;	1705	utf8::decode $login;
1123	push @logins, $login;	1706	push @logins, $login;
1124	}	1707	}
1125		1708
1126	\@logins	1709	\@logins
1127	}	1710	}
1128		1711
1129	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1130		1715
1131	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1132	player. May block.	1717	player. May block.
1133		1718
1134	=cut	1719	=cut
…		…
1152	}	1737	}
1153		1738
1154	\@paths	1739	\@paths
1155	}	1740	}
1156		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1157	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1158		1747
1159	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1160		1749
1161	=cut	1750	=cut
1162		1751
1163	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1165		1754
1166	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1756	}
1170		1757
1171	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1172		1759
1173	Sends an ext event to the client.	1760	Sends an ext event to the client.
1174		1761
1175	=cut	1762	=cut
1176		1763
1177	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1179		1766
1180	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1181	}	1768	}
1182		1769
1183	=head3 cf::region	1770	=head3 cf::region
1184		1771
1185	=over 4	1772	=over 4
…		…
1188		1775
1189	package cf::region;	1776	package cf::region;
1190		1777
1191	=item cf::region::find_by_path $path	1778	=item cf::region::find_by_path $path
1192		1779
1193	Tries to decuce the probable region for a map knowing only its path.	1780	Tries to decuce the likely region for a map knowing only its path.
1194		1781
1195	=cut	1782	=cut
1196		1783
1197	sub find_by_path($) {	1784	sub find_by_path($) {
1198	my ($path) = @_;	1785	my ($path) = @_;
1199		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1200	my ($match, $specificity);	1789	my ($match, $specificity);
1201		1790
1202	for my $region (list) {	1791	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1206	}	1795	}
1207	}	1796	}
1208		1797
…		…
1229	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1231		1820
1232	sub generate_random_map {	1821	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1234	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1827	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1257		1849
1258	sub register {	1850	sub register {
1259	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1260	my $pkg = caller;	1852	my $pkg = caller;
1261		1853
1262	no strict;
1263	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1264		1855
1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266	}	1857	}
1267		1858
1268	# also paths starting with '/'	1859	# also paths starting with '/'
1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270		1861
1271	sub thawer_merge {	1862	sub thawer_merge {
1272	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1273		1864
1274	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1275	local $self->{path};	1866	local $self->{path};
1276	local $self->{load_path};	1867	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1868
1280	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1281	}	1870	}
1282		1871
1283	sub normalise {	1872	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1331	return $self;	1920	return $self;
1332	}	1921	}
1333	}	1922	}
1334		1923
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1925	()
1337	}	1926	}
1338		1927
1339	sub init {	1928	sub init {
1340	my ($self) = @_;	1929	my ($self) = @_;
…		…
1362		1951
1363	# the temporary/swap location	1952	# the temporary/swap location
1364	sub save_path {	1953	sub save_path {
1365	my ($self) = @_;	1954	my ($self) = @_;
1366		1955
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1369	}	1958	}
1370		1959
1371	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1372	sub uniq_path {	1961	sub uniq_path {
1373	my ($self) = @_;	1962	my ($self) = @_;
1374		1963
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1377	}	1966	}
1378		1967
1379	# and all this just because we cannot iterate over	1968	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1969	my ($self) = @_;
1383		1970
1384	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1386	}	1974	}
1387		1975
1388	sub unlink_save {	1976	sub unlink_save {
1389	my ($self) = @_;	1977	my ($self) = @_;
1390		1978
…		…
1395		1983
1396	sub load_header_from($) {	1984	sub load_header_from($) {
1397	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1398		1986
1399	utf8::encode $path;	1987	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1405		1996
1406	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1407		1998
1408	1	1999	1
1409	}	2000	}
…		…
1448	$self->load_header_orig	2039	$self->load_header_orig
1449	or return;	2040	or return;
1450	$self->prepare_orig;	2041	$self->prepare_orig;
1451	}	2042	}
1452		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
1453	$self->default_region (cf::region::find_by_path $self->{path})	2047	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2048	unless $self->default_region;
1455		2049
1456	1	2050	1
1457	}	2051	}
…		…
1460	sub find {	2054	sub find {
1461	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1462		2056
1463	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1464		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2061
1467	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1470	or return;	2064	or return;
1471		2065
1472	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1473		2067
1474	$map->load_header	2068	$map->load_header
1475	or return;	2069	or return;
1476		2070
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1480	$map->reset;	2076	$map->reset;
1481	undef $guard;
1482	return find $path;	2077	return find $path;
1483	}	2078	}
1484		2079
1485	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1486	}	2081	}
1487	}	2082	}
1488		2083
1489	sub pre_load { }	2084	sub pre_load { }
1490	sub post_load { }	2085	#sub post_load { } # XS
1491		2086
1492	sub load {	2087	sub load {
1493	my ($self) = @_;	2088	my ($self) = @_;
1494		2089
1495	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1496		2091
1497	my $path = $self->{path};	2092	my $path = $self->{path};
1498		2093
1499	{	2094	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1501		2096
		2097	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2099
1504	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1505		2101
1506	$self->alloc;	2102	$self->alloc;
1507		2103
1508	$self->pre_load;	2104	$self->pre_load;
1509	Coro::cede;	2105	cf::cede_to_tick;
1510		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1512	or return;	2110	or return;
1513		2111
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1515	if delete $self->{load_original};	2113	if delete $self->{load_original};
1516		2114
1517	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2116	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2119	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1522	}	2123	}
1523	}	2124	}
1524		2125
1525	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1526	# now do the right thing for maps	2129	# now do the right thing for maps
1527	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2132	unless $self->difficulty;
1530	Coro::cede;	2133	cf::cede_to_tick;
1531		2134
1532	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2136	$self->decay_objects;
1534	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1535	$self->update_buttons;	2138	$self->update_buttons;
1536	Coro::cede;	2139	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2140	$self->activate;
1540	}	2141	}
1541		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2147	}
1544		2148
1545	$self->post_load;	2149	$self->post_load;
1546	}	2150	}
1547		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1548	sub customise_for {	2155	sub customise_for {
1549	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1550		2157
1551	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2159	if $self->per_player;
1553		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1554	$self	2164	$self
1555	}	2165	}
1556		2166
1557	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2168	sub load_neighbours {
1559	my ($map) = @_;	2169	my ($map) = @_;
1560		2170
1561	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1562		2172
1563	for (0 .. 3) {	2173	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1565	or next;	2175	or next;
1566	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1567	or next;	2177	or next;
1568	$neigh->load;	2178	$neigh->load;
1569		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2184	}
1573		2185
1574	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1576	or next;	2189	or next;
1577	$neigh->load;	2190	$neigh->load;
1578	}	2191	}
1579	}	2192	}
1580		2193
1581	sub find_sync {	2194	sub find_sync {
1582	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1583		2196
1584	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1585	}	2201	}
1586		2202
1587	sub do_load_sync {	2203	sub do_load_sync {
1588	my ($map) = @_;	2204	my ($map) = @_;
1589		2205
1590	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1591	}	2210	}
1592		2211
1593	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1595		2214
1596	sub find_async {	2215	sub find_async {
1597	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1598		2217
1599	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1600		2219
1601	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2222	}
1604		2223
1605	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1606	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1607	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2231	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2232	$map->load if $v;
		2233	}
1612		2234
1613	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1614	}	2236	}
1615	}	2237	}
1616	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1617	};	2239	};
1618	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1619		2241
1620	()	2242	()
1621	}	2243	}
1622		2244
		2245	# common code, used by both ->save and ->swapout
1623	sub save {	2246	sub _save {
1624	my ($self) = @_;	2247	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2248
1628	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1629		2250
1630	return unless $self->dirty;	2251	return unless $self->dirty;
1631		2252
…		…
1637	return if $self->{deny_save};	2258	return if $self->{deny_save};
1638		2259
1639	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1640		2261
1641	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1643	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1644		2268
1645	if ($uniq) {	2269	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2272	} else {
1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650	}	2274	}
1651	}	2275	}
1652		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1653	sub swap_out {	2285	sub swap_out {
1654	my ($self) = @_;	2286	my ($self) = @_;
1655		2287
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1661	return if $self->players;	2292	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1665	$self->clear;	2303	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2304	}
1668		2305
1669	sub reset_at {	2306	sub reset_at {
1670	my ($self) = @_;	2307	my ($self) = @_;
1671		2308
1672	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1675		2311
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2314
…		…
1689	my ($self) = @_;	2325	my ($self) = @_;
1690		2326
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2328
1693	return if $self->players;	2329	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2330
1696	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1697		2332
1698	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1699		2334
1700	# need to save uniques path	2335	# need to save uniques path
1701	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2340	if $uniq;
1706	}	2341	}
1707		2342
1708	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1709		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2347	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2348
1714	$self->unlink_save;	2349	$self->unlink_save;
1715	$self->destroy;	2350	$self->destroy;
1716	}	2351	}
1717		2352
1718	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1719		2354
1720	sub nuke {	2355	sub nuke {
1721	my ($self) = @_;	2356	my ($self) = @_;
1722		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1723	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1724		2362
1725	$self->unlink_save;	2363	$self->unlink_save;
1726		2364
1727	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1728	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2370
1733	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1734		2373
1735	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1736	}	2411	}
1737		2412
1738	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1739		2414
1740	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2416	instantiated unique items. May block.
1742		2417
1743	=cut	2418	=cut
1744		2419
1745	sub unique_maps() {	2420	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2421	[
1747	or return;	2422	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2423	utf8::decode $_;
1753	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2426	? ()
1756	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2429	]
1758
1759	\@paths
1760	}	2430	}
1761		2431
1762	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1763		2463
1764	=back	2464	=back
1765		2465
1766	=head3 cf::object	2466	=head3 cf::object
1767		2467
…		…
1771		2471
1772	=over 4	2472	=over 4
1773		2473
1774	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1775		2475
1776	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1777		2478
1778	=cut	2479	=cut
1779		2480
1780	sub inv_recursive_;	2481	sub inv_recursive_;
1781	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1784		2485
1785	sub inv_recursive {	2486	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1787	}	2488	}
1788		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1789	package cf;	2518	package cf;
1790		2519
1791	=back	2520	=back
1792		2521
1793	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1802		2531
1803	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1804		2547
1805	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2549	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1810		2553
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2555
1813	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1815	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1818	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1819	}	2581	}
1820		2582
1821	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1822		2584
1823	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1836		2598
1837	=item $player_object->enter_link	2599	=item $player_object->enter_link
1838		2600
1839	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1840		2602
1841	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1842	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1843		2607
1844	Will never block.	2608	Will never block.
1845		2609
1846	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1847		2611
…		…
1867	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1868	my ($self) = @_;	2632	my ($self) = @_;
1869		2633
1870	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1871		2635
		2636	++$self->{_link_recursion};
		2637
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2639
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1876		2642
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2644	}
1879		2645
1880	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1882		2650
1883	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1884		2652
1885	unless ($map) {	2653	unless ($map) {
1886	# restore original map position	2654	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1899		2667
1900	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1903		2671
1904	$map->load;	2672	$map->load;
1905	$map->load_diag;	2673	$map->load_neighbours;
1906		2674
1907	return unless $self->contr->active;	2675	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2676
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1912	}	2679	# entering was successful
1913		2680	delete $self->{_link_recursion};
1914	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2682	$self->activate_recursive;
1916	my ($pl) = @_;
1917
1918	# abort map switching before logout
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},	2683	}
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2684
1928	# try to abort aborted map switching on player login :)	2685	}
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2686
1946	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1948	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1949		2701
1950	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2713
1953	$self->enter_link;	2714	$self->enter_link;
1954		2715
1955	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1956	my $map = eval {	2738	my $map = eval {
1957	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1959	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2754	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1964	})->prio (1);	2762	})->prio (1);
1965	}	2763	}
1966		2764
1967	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1968		2766
…		…
1988	}	2786	}
1989		2787
1990	sub prepare_random_map {	2788	sub prepare_random_map {
1991	my ($exit) = @_;	2789	my ($exit) = @_;
1992		2790
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2793	# that depends on the exit object
1998		2794
1999	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2797	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2006	}	2804	}
2007		2805
2008	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2009		2807
2010	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2013		2811
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2814	undef $fh;
2017	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2018		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2021	}	2823	}
2022	}	2824	}
2023		2825
2024	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2026		2828
2027	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2028		2830
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2831	$self->enter_link;
2041		2832
2042	(async {	2833	(async {
2043	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2044	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2045	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2046		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2047	1;	2857	1
2048	}) {	2858	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2863
2054	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2055	$self->leave_link;	2865	$self->leave_link;
2056	}	2866	}
2057	})->prio (1);	2867	})->prio (1);
2058	}	2868	}
2059		2869
…		…
2073		2883
2074	utf8::encode $text;	2884	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2886	}
2077		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2078	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2079		3076
2080	Sends an exti event to the client.	3077	Sends an ext event to the client.
2081		3078
2082	=cut	3079	=cut
2083		3080
2084	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2086		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2089	}	3108	}
2090		3109
2091	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2092		3111
2093	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		3115
2097	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	3117	become reliable at some point in the future.
2099		3118
2100	=cut	3119	=cut
2101		3120
2102	sub cf::client::query {	3121	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3130	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3132
2114	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2116	}	3137	}
2117		3138
2118	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2119	on_reply => sub {	3145	on_reply => sub {
2120	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2121		3147
2122	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2123	# get handled first	3149	# get handled first
…		…
2135	} else {	3161	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3163	}
2138	}	3164	}
2139	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2140	);	3192	);
2141		3193
2142	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2143		3195
2144	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3212
2161	$coro	3213	$coro
2162	}	3214	}
2163		3215
2164	cf::client->attach (	3216	cf::client->attach (
2165	on_destroy => sub {	3217	on_client_destroy => sub {
2166	my ($ns) = @_;	3218	my ($ns) = @_;
2167		3219
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3221	},
2170	);	3222	);
…		…
2185	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2187		3239
2188	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2189		3241
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2191		3247
2192	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2193		3249
2194	=pod	3250	=pod
2195		3251
2196	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2197		3253
2198	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2199	cf::object::player player	3259	cf::object::player
2200	cf::player peaceful	3260	player
2201	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2202		3267
2203	=cut	3268	=cut
2204		3269
2205	for (	3270	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2210	) {	3277	) {
2211	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2214	for @funs;	3280	for @funs;
2215	}	3281	}
2216		3282
…		…
2231		3297
2232	my $qcode = $code;	3298	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2235		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2236	local $_;	3305	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3306
2239	my $eval =	3307	my $eval =
2240	"do {\n"	3308	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3311	. $code
2244	. "\n}"	3312	. "\n}"
2245	;	3313	;
2246		3314
		3315	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2250		3324
2251	if ($@) {	3325	if ($@) {
2252	warn "$@";	3326	warn "$@",
2253	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2254	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2255	}	3329	}
2256		3330
2257	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2258	}	3332	}
2259		3333
…		…
2273	=cut	3347	=cut
2274		3348
2275	sub register_script_function {	3349	sub register_script_function {
2276	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2277		3351
2278	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2280	}	3354	}
2281		3355
2282	=back	3356	=back
2283		3357
2284	=cut	3358	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3359
2460	#############################################################################	3360	#############################################################################
2461	# the server's init and main functions	3361	# the server's init and main functions
2462		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
		3378
		3379	$data = "#line 1 $dir/$mod\n$data";
		3380
		3381	open my $fh, "<", \$data or die;
		3382
		3383	return $fh;
		3384	}
		3385
		3386	()
		3387	}
		3388
		3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3392
		3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
		3395
		3396	# execute some stuff so perl load's some of the core modules
		3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
		3399
		3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3401
		3402	debug "module loading will be asynchronous from this point on.";
		3403	}
		3404
2463	sub load_facedata($) {	3405	sub load_facedata($) {
2464	my ($path) = @_;	3406	my ($path) = @_;
2465		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
2466	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2467		3415
2468	my $facedata;	3416	my $facedata;
2469	0 < aio_load $path, $facedata	3417	0 < aio_load $path, $facedata
2470	or die "$path: $!";	3418	or die "$path: $!";
2471		3419
2472	$facedata = Coro::Storable::thaw $facedata;	3420	$facedata = Coro::Storable::thaw $facedata;
2473		3421
2474	$facedata->{version} == 2	3422	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
2477	{	3434	{
2478	my $faces = $facedata->{faceinfo};	3435	my $faces = $facedata->{faceinfo};
2479		3436
2480	while (my ($face, $info) = each %$faces) {	3437	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485	Coro::cede;	3444
		3445	cf::cede_to_tick;
2486	}	3446	}
2487		3447
2488	while (my ($face, $info) = each %$faces) {	3448	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3449	next unless $info->{smooth};
		3450
2490	my $idx = cf::face::find $face	3451	my $idx = cf::face::find $face
2491	or next;	3452	or next;
		3453
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3457	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3458	error "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3459	}
2497	Coro::cede;	3460
		3461	cf::cede_to_tick;
2498	}	3462	}
2499	}	3463	}
2500		3464
2501	{	3465	{
2502	my $anims = $facedata->{animinfo};	3466	my $anims = $facedata->{animinfo};
2503		3467
2504	while (my ($anim, $info) = each %$anims) {	3468	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3470	cf::cede_to_tick;
2507	}	3471	}
2508		3472
2509	cf::anim::invalidate_all; # d'oh	3473	cf::anim::invalidate_all; # d'oh
2510	}	3474	}
2511		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
2512	1	3495	1
2513	}	3496	}
2514		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
2515	sub reload_regions {	3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
2516	load_resource_file "$MAPDIR/regions"	3521	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
2518	}	3528	}
2519		3529
2520	sub reload_facedata {	3530	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3531	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3532	or die "unable to load facedata\n";
…		…
2530	sub reload_treasures {	3540	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3541	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3542	or die "unable to load treasurelists\n";
2533	}	3543	}
2534		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
2535	sub reload_resources {	3568	sub reload_resources {
2536	warn "reloading resource files...\n";	3569	trace "reloading resource files...\n";
2537		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
2538	reload_regions;	3574	reload_regions;
2539	reload_facedata;
2540	reload_archetypes;
2541	reload_treasures;	3575	reload_treasures;
2542		3576
2543	warn "finished reloading resource files\n";	3577	trace "finished reloading resource files\n";
2544	}	3578	}
2545		3579
2546	sub init {	3580	sub reload_config {
2547	reload_resources;	3581	trace "reloading config file...\n";
2548	}
2549		3582
2550	sub cfg_load {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3584	or return;
2553		3585
2554	local $/;	3586	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
2556		3588
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558		3590
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2561		3593
2562	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2565	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
2566	};	3598	};
2567	warn $@ if $@;	3599	warn $@ if $@;
2568	}	3600	}
		3601
		3602	trace "finished reloading resource files\n";
		3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2569	}	3631	}
2570		3632
2571	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2572	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3646	(async {
2576	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2578	};	3650	};
2579		3651
2580	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
		3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
		3666	reload_config;
2581	db_init;	3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
2582	load_extensions;	3677	load_extensions;
2583		3678
2584	$TICK_WATCHER->start;	3679	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
2586	}	3697	}
2587		3698
2588	#############################################################################	3699	#############################################################################
2589	# initialisation and cleanup	3700	# initialisation and cleanup
2590		3701
2591	# install some emergency cleanup handlers	3702	# install some emergency cleanup handlers
2592	BEGIN {	3703	BEGIN {
		3704	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3705	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3707	cf::cleanup "SIG$signal";
2601	},
2602	);	3708	};
		3709	}
		3710	}
		3711
		3712	sub write_runtime_sync {
		3713	my $t0 = AE::time;
		3714
		3715	# first touch the runtime file to show we are still running:
		3716	# the fsync below can take a very very long time.
		3717
		3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3719
		3720	my $guard = cf::lock_acquire "write_runtime";
		3721
		3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3723	or return;
		3724
		3725	my $value = $cf::RUNTIME + 90 + 10;
		3726	# 10 is the runtime save interval, for a monotonic clock
		3727	# 60 allows for the watchdog to kill the server.
		3728
		3729	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3730	and return;
		3731
		3732	# always fsync - this file is important
		3733	aio_fsync $fh
		3734	and return;
		3735
		3736	# touch it again to show we are up-to-date
		3737	aio_utime $fh, undef, undef;
		3738
		3739	close $fh
		3740	or return;
		3741
		3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3743	and return;
		3744
		3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3746
2603	}	3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
2604	}	3798	}
2605		3799
2606	sub emergency_save() {	3800	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3801	my $freeze_guard = cf::freeze_mainloop;
2608		3802
2609	warn "enter emergency perl save\n";	3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
2610		3809
2611	cf::sync_job {	3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
2612	# use a peculiar iteration method to avoid tripping on perl	3813	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3814	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3815	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3816	info "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3817	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3818	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3821	$pl->save;
2620	}	3822	}
2621	warn "end emergency player save\n";	3823	info "emergency_perl_save: end player save\n";
2622		3824
2623	warn "begin emergency map save\n";	3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3828	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3829	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3830	$map->valid or next;
2627	$map->save;	3831	$map->save;
2628	}	3832	}
2629	warn "end emergency map save\n";	3833	info "emergency_perl_save: end map save\n";
2630		3834
2631	warn "begin emergency database checkpoint\n";	3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3838	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
2634	};	3863	};
2635		3864
2636	warn "leave emergency perl save\n";	3865	info "emergency_perl_save: leave\n";
2637	}	3866	}
2638		3867
2639	sub post_cleanup {	3868	sub post_cleanup {
2640	my ($make_core) = @_;	3869	my ($make_core) = @_;
2641		3870
		3871	IO::AIO::flush;
		3872
2642	warn Carp::longmess "post_cleanup backtrace"	3873	error Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3874	if $make_core;
		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
2644	}	3903	}
2645		3904
2646	sub do_reload_perl() {	3905	sub do_reload_perl() {
2647	# can/must only be called in main	3906	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
2649	warn "can only reload from main coroutine";	3908	error "can only reload from main coroutine";
2650	return;	3909	return;
2651	}	3910	}
2652		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
2653	warn "reloading...";	3917	info "reloading...";
2654		3918
2655	warn "entering sync_job";	3919	trace "entering sync_job";
2656		3920
2657	cf::sync_job {	3921	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark
2659	cf::emergency_save;	3922	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark
2661		3923
2662	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;
2664
2665	# if anything goes wrong in here, we should simply crash as we already saved
2666
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";	3924	trace "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();	3926	%EXT_CORO = ();
2686		3927
2687	warn "removing commands";	3928	trace "removing commands";
2688	%COMMAND = ();	3929	%COMMAND = ();
2689		3930
2690	warn "removing ext commands";	3931	trace "removing ext/exti commands";
2691	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2692		3934
2693	warn "unloading/nuking all extensions";	3935	trace "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2696		3938
2697	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2698	eval {	3940	eval {
2699	$cb->($pkg);	3941	$cb->($pkg);
2700	1	3942	1
2701	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2702	}	3948	}
2703		3949
2704	warn "... nuking $pkg";
2705	Symbol::delete_package $pkg;
2706	}
2707
2708	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "unloading all perl modules loaded from $LIBDIR";
2709	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3953
2712	warn "... unloading $k";	3954	trace "... unloading $k";
2713	delete $INC{$k};	3955	delete $INC{$k};
2714		3956
2715	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2717		3959
2718	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2719	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2720	}	3965	}
2721		3966
2722	Symbol::delete_package $k;
2723	}
2724
2725	warn "getting rid of safe::, as good as possible";	3967	trace "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		3970
2729	warn "unloading cf.pm \"a bit\"";	3971	trace "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		3974
2733	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3976	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2736		3978
2737	warn "unload completed, starting to reload now";	3979	info "unload completed, starting to reload now";
2738		3980
2739	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
2740	require cf;	3982	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2742		3984
2743	warn "loading config and database again";	3985	trace "loading config and database again";
2744	cf::cfg_load;	3986	cf::reload_config;
2745		3987
2746	warn "loading extensions";	3988	trace "loading extensions";
2747	cf::load_extensions;	3989	cf::load_extensions;
2748		3990
		3991	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3992	trace "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3994	trace "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3996	trace "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
2755		3999
		4000	trace "running post_init jobs";
		4001	(pop @POST_INIT)->(1) while @POST_INIT;
		4002
2756	warn "leaving sync_job";	4003	trace "leaving sync_job";
2757		4004
2758	1	4005	1
2759	} or do {	4006	} or do {
2760	warn $@;	4007	error $@;
2761	warn "error while reloading, exiting.";	4008	cf::cleanup "error while reloading, exiting.";
2762	exit 1;	4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
2763	};	4013	}
2764		4014
2765	warn "reloaded";	4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
2766	};	4017	};
2767		4018
2768	our $RELOAD_WATCHER; # used only during reload	4019	our $RELOAD_WATCHER; # used only during reload
2769		4020
2770	sub reload_perl() {	4021	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	4022	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	4023	# coro crashes during coro_state_free->destroy here.
2773		4024
2774	$RELOAD_WATCHER ||= Event->timer (	4025	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	4026	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	4027
2777	data => WF_AUTOCANCEL,	4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	4029	do_reload_perl;
2780	undef $RELOAD_WATCHER;	4030	undef $RELOAD_WATCHER;
2781	},	4031	};
2782	);	4032	};
2783	}	4033	}
2784		4034
2785	register_command "reload" => sub {	4035	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
2787		4037
2788	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	4039	$who->message ("reloading server.");
		4040	async {
		4041	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	4042	reload_perl;
		4043	};
2791	}	4044	}
2792	};	4045	};
2793		4046
2794	unshift @INC, $LIBDIR;	4047	#############################################################################
2795		4048
2796	my $bug_warning = 0;	4049	my $bug_warning = 0;
2797		4050
2798	our @WAIT_FOR_TICK;	4051	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	4052	our @WAIT_FOR_TICK_BEGIN;
2800		4053
2801	sub wait_for_tick {	4054	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2804		4056
2805	my $signal = new Coro::Signal;	4057	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	4058	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	4059	$signal->wait;
2808	}	4060	}
2809		4061
2810	sub wait_for_tick_begin {	4062	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2813		4064
2814	my $signal = new Coro::Signal;	4065	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	4066	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	4067	$signal->wait;
2817	}	4068	}
2818		4069
2819	$TICK_WATCHER = Event->timer (	4070	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	4071	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	4073	unless ++$bug_warning > 10;
2829	return;	4074	return;
2830	}	4075	}
2831		4076
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
2835		4078
2836	$RUNTIME += $TICK;	4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2837	$NEXT_TICK += $TICK;
2838		4080
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	4083	Coro::async_pool {
		4084	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	4085	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	4086	or error "ERROR: unable to write runtime file: $!";
2844	};
2845	}	4087	};
		4088	}
2846		4089
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4091	$sig->send;
2858	}	4092	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	4093	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	4094	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4095	}
2865	);	4096
		4097	$LOAD = ($NOW - $TICK_START) / $TICK;
		4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4099
		4100	if (0) {
		4101	if ($NEXT_TICK) {
		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
		4105	}
		4106	}
		4107	}
2866		4108
2867	{	4109	{
2868	BDB::max_poll_time $TICK * 0.1;	4110	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4111
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4112	BDB::min_parallel 16;
2878		4113	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4114	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4115
2894	unless ($DB_ENV) {	4116	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		4123
2897	cf::sync_job {	4124	cf::sync_job {
2898	eval {	4125	eval {
2899	BDB::db_env_open	4126	BDB::db_env_open
2900	$DB_ENV,	4127	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4131	0666;
2905		4132
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	4134	};
2911		4135
2912	cf::cleanup "db_env_open(db): $@" if $@;	4136	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	4137	};
2914	}	4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
2915	}	4149	}
2916		4150
2917	{	4151	{
		4152	# configure IO::AIO
		4153
2918	IO::AIO::min_parallel 8;	4154	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4155	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4156	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4157	}
2931		4158
2932	my $_log_backtrace;	4159	my $_log_backtrace;
2933		4160
2934	sub _log_backtrace {	4161	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	4164	$msg =~ s/\n//;
2938		4165
2939	# limit the # of concurrent backtraces	4166	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4167	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
2942	async {	4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
2943	my @bt = fork_call {	4173	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4174	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4177	or die "addr2line: $!";
…		…
2955	}	4185	}
2956		4186
2957	@funcs	4187	@funcs
2958	};	4188	};
2959		4189
2960	LOG llevInfo, "[ABT] $msg\n";	4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4192	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4193	--$_log_backtrace;
2963	};	4194	};
2964	} else {	4195	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4196	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4197	LOG llevInfo, "[ABT] [suppressed]\n";
2967	}	4198	}
2968	}	4199	}
2969		4200
2970	# load additional modules	4201	# load additional modules
2971	use cf::pod;	4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2972		4204
2973	END { cf::emergency_save }	4205	END { cf::emergency_save }
2974		4206
2975	1	4207	1
2976		4208

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