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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	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::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	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
166	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
167	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.
168		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
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$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;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	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	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		295
194	# 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
195	# within the Safe compartment.	297	# within the Safe compartment.
196	for my $pkg (qw(	298	for my $pkg (qw(
197	cf::global cf::attachable	299	cf::global cf::attachable
198	cf::object cf::object::player	300	cf::object cf::object::player
199	cf::client cf::player	301	cf::client cf::player
200	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
201	cf::map cf::party cf::region	304	cf::party cf::region
202	)) {	305	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	307	}
206		308
207	$Event::DIED = sub {	309	$EV::DIED = sub {
208	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
209	};	311	};
		312
		313	#############################################################################
210		314
211	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
212		316
213	=over 4	317	=over 4
214		318
…		…
233	$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;
234	$d	338	$d
235	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
236	}	340	}
237		341
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
241		343
242	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
243		345
244	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
245		347
246	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	371	=item cf::lock_wait $string
249		372
250	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
251		374
252	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
253		376
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
257	returned.	380	returned.
258		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
259	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
260	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
261		387
262	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
263		389
264	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.
265		391
266	=cut	392	=cut
267		393
268	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
269		395
270	sub lock_wait($) {	396	sub lock_wait($) {
271	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	398	}
279		399
280	sub lock_acquire($) {	400	sub lock_acquire($) {
281	my ($key) = @_;	401	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	402	}
293		403
294	sub lock_active($) {	404	sub lock_active($) {
295	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	406	}
299		407
300	sub freeze_mainloop {	408	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
302		410
303	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
305	};	478	}
306	$TICK_WATCHER->stop;	479	};
307	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
308	}	494	}
309		495
310	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
311		497
312	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		503
318	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
319		505
320	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
321		507
322	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
325		512
326	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
329	fast or be very important.	516	fast or be very important.
…		…
331	=cut	518	=cut
332		519
333	sub sync_job(&) {	520	sub sync_job(&) {
334	my ($job) = @_;	521	my ($job) = @_;
335		522
336	if ($Coro::current == $Coro::main) {	523	if (in_main) {
337	my $time = Event::time;	524	my $time = AE::time;
338		525
339	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
341		528
342	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	530
344	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
345		532
346	my $busy = 1;	533	my $busy = 1;
347	my @res;	534	my @res;
348		535
349	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	538	@res = eval { $job->() };
351	warn $@ if $@;	539	error $@ if $@;
352	undef $busy;	540	undef $busy;
353	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
354		542
355	while ($busy) {	543	while ($busy) {
356	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
357	}	548	}
		549	}
358		550
359	$time = Event::time - $time;	551	my $time = AE::time - $time;
360		552
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
365		554
366	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
367	} else {	556	} else {
368	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
369		558
…		…
389	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
390		579
391	$coro	580	$coro
392	}	581	}
393		582
394	sub write_runtime {	583	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		584
397	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		589
400	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
401		591
402	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
403		594
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
405	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
406		598
407	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
409	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
410		603
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
412	and return;	605	}
413		606
414	# always fsync - this file is important	607	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	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"
430	}	772	}
431		773
432	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
433		775
434	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.
435		777
436	=cut	778	=cut
437		779
438	sub datalog($@) {	780	sub datalog($@) {
439	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	783	}
442		784
443	=back	785	=back
444		786
445	=cut	787	=cut
446		788
447	#############################################################################	789	#############################################################################
448		790
449	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
450		792
451	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
452	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")
453	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
454		796
455	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>
456	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
457	crossfire+).	799	Deliantra).
458		800
459	=over 4	801	=over 4
460		802
461	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
462		804
…		…
506	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
507		849
508	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
510		852
511	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		855
514	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
515		857
516	=over 4	858	=over 4
…		…
640		982
641	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		985
644	} elsif (ref $type) {	986	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
646		988
647	} else {	989	} else {
648	shift @arg;	990	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
650	}	992	}
651	}	993	}
652	}	994	}
653		995
654	sub _object_attach {	996	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
665	}	1007	}
666		1008
667	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
668	} else {	1010	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1012	}
671		1013
672	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
673	}	1015	}
674		1016
…		…
714	";	1056	";
715	die if $@;	1057	die if $@;
716	}	1058	}
717		1059
718	our $override;	1060	our $override;
719	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?
720		1062
721	sub override {	1063	sub override {
722	$override = 1;	1064	$override = 1;
723	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
724	}	1066	}
725		1067
726	sub do_invoke {	1068	sub do_invoke {
727	my $event = shift;	1069	my $event = shift;
728	my $callbacks = shift;	1070	my $callbacks = shift;
729		1071
730	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
731		1073
732	local $override;	1074	local $override;
733		1075
734	for (@$callbacks) {	1076	for (@$callbacks) {
735	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
736		1078
737	if ($@) {	1079	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1081	override;
741	}	1082	}
742		1083
743	return 1 if $override;	1084	return 1 if $override;
744	}	1085	}
745		1086
746	0	1087	0
747	}	1088	}
748		1089
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1091
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1093
753	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
754		1095
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1099
759	=back	1100	=back
760		1101
761	=cut	1102	=cut
762		1103
763	#############################################################################	1104	#############################################################################
764	# 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, $ob2
		1147	}
765		1148
766	sub reattach {	1149	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1151	my ($obj) = @_;
769		1152
		1153	# no longer needed after getting rid of delete_package?
770	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
771		1155
772	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
773		1157
774	@$registry = ();	1158	@$registry = ();
775		1159
…		…
780	for (@$attach) {	1164	for (@$attach) {
781	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
783	}	1167	}
784	} else {	1168	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1170	}
787	}	1171	}
788	}	1172	}
789		1173
790	cf::attachable->attach (	1174	cf::attachable->attach (
791	prio => -1000000,	1175	prio => -1000000,
792	on_instantiate => sub {	1176	on_instantiate => sub {
793	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
794		1178
795	$data = from_json $data;	1179	$data = decode_json $data;
796		1180
797	for (@$data) {	1181	for (@$data) {
798	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
799		1183
800	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1200	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
818		1202
819	sync_job {	1203	sync_job {
820	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
823		1209
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1217	aio_close $fh;
829		1218
830	if (@$objs) {	1219	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1228	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
838	}	1230	}
839	} else {	1231	} else {
840	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
841	}	1233	}
842		1234
843	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1239	} else {
845	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
846	}	1241	}
847	} else {	1242	} else {
848	aio_unlink $filename;	1243	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
850	}	1245	}
851	}	1246	};
852	}	1247	}
853		1248
854	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
856		1251
…		…
868	or return;	1263	or return;
869		1264
870	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
872	or return;	1267	or return;
		1268
873	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
874	}	1271	}
875		1272
		1273	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
878	return ($data, $av);	1278	($data, $av)
879	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
880		1286
881	#############################################################################	1287	#############################################################################
882	# command handling &c	1288	# command handling &c
883		1289
884	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1304	}
899		1305
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1307
902	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.
903		1313
904	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
905	called.	1315	called.
906		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
907	=cut	1328	=cut
908		1329
909	sub register_extcmd {	1330	sub register_extcmd {
910	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
911		1332
912	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
913	}	1334	}
914		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
915	cf::player->attach (	1344	cf::player->attach (
916	on_command => sub {	1345	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
918		1347
919	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
920	or return;	1349	or return;
921		1350
…		…
926	cf::override;	1355	cf::override;
927	},	1356	},
928	on_extcmd => sub {	1357	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
930		1359
931	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1361
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
939	} else {	1377	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1379	}
942		1380
943	cf::override;	1381	cf::override;
944	},	1382	},
945	);	1383	);
946		1384
		1385	# "readahead" all extensions
947	sub load_extension {	1386	sub cache_extensions {
948	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
949		1388
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1392	}
975	die $@;
976	}	1393	};
977		1394
978	push @EXTS, $pkg;	1395	$grp
979	}	1396	}
980		1397
981	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
982	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1405	next unless -r $path;
984	eval {	1406
985	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 $active;
		1470	}
986	1	1471	}
987	} or warn "$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	}
988	}	1482	};
989	}	1483	}
990		1484
991	#############################################################################	1485	#############################################################################
992		1486
		1487	=back
		1488
993	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
994		1490
995	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
996		1492
997	=cut	1493	=cut
998		1494
999	package cf::player;	1495	package cf::player;
1000		1496
1001	use Coro::AIO;	1497	use Coro::AIO;
1002		1498
1003	=head3 cf::player	1499	=head3 cf::player
1004		1500
1005	=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	}
1006		1516
1007	=item cf::player::find $login	1517	=item cf::player::find $login
1008		1518
1009	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1010		1520
…		…
1029		1539
1030	sub exists($) {	1540	sub exists($) {
1031	my ($login) = @_;	1541	my ($login) = @_;
1032		1542
1033	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1035	}	1545	}
1036		1546
1037	sub find($) {	1547	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1549	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1560
1051	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1054	}	1570	}
1055	}	1571	}
1056	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($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	);
1057		1586
1058	sub save($) {	1587	sub save($) {
1059	my ($pl) = @_;	1588	my ($pl) = @_;
1060		1589
1061	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1067		1596
1068	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1072	Coro::cede;	1606	cf::cede_to_tick;
1073	}	1607	}
1074		1608
1075	sub new($) {	1609	sub new($) {
1076	my ($login) = @_;	1610	my ($login) = @_;
1077		1611
…		…
1083	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1084		1618
1085	$self	1619	$self
1086	}	1620	}
1087		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
1088	=item $pl->quit_character	1632	=item $pl->quit_character
1089		1633
1090	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1092		1636
…		…
1096	my ($pl) = @_;	1640	my ($pl) = @_;
1097		1641
1098	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1099		1643
1100	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1101	$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
1102		1646
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1107		1652
1108	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1690	or return [];
1146		1691
1147	my @logins;	1692	my @logins;
1148		1693
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1153		1704
1154	utf8::decode $login;	1705	utf8::decode $login;
1155	push @logins, $login;	1706	push @logins, $login;
1156	}	1707	}
1157		1708
1158	\@logins	1709	\@logins
1159	}	1710	}
1160		1711
1161	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1162		1715
1163	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1164	player. May block.	1717	player. May block.
1165		1718
1166	=cut	1719	=cut
…		…
1184	}	1737	}
1185		1738
1186	\@paths	1739	\@paths
1187	}	1740	}
1188		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1189	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1190		1747
1191	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1192		1749
1193	=cut	1750	=cut
1194		1751
1195	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1197		1754
1198	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1756	}
1202		1757
1203	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1204		1759
1205	Sends an ext event to the client.	1760	Sends an ext event to the client.
1206		1761
1207	=cut	1762	=cut
1208		1763
1209	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1211		1766
1212	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1213	}	1768	}
1214		1769
1215	=head3 cf::region	1770	=head3 cf::region
1216		1771
1217	=over 4	1772	=over 4
…		…
1220		1775
1221	package cf::region;	1776	package cf::region;
1222		1777
1223	=item cf::region::find_by_path $path	1778	=item cf::region::find_by_path $path
1224		1779
1225	Tries to decuce the probable region for a map knowing only its path.	1780	Tries to decuce the likely region for a map knowing only its path.
1226		1781
1227	=cut	1782	=cut
1228		1783
1229	sub find_by_path($) {	1784	sub find_by_path($) {
1230	my ($path) = @_;	1785	my ($path) = @_;
1231		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1232	my ($match, $specificity);	1789	my ($match, $specificity);
1233		1790
1234	for my $region (list) {	1791	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1238	}	1795	}
1239	}	1796	}
1240		1797
…		…
1261	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1263		1820
1264	sub generate_random_map {	1821	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1827	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1289		1849
1290	sub register {	1850	sub register {
1291	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1852	my $pkg = caller;
1293		1853
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1855
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1857	}
1299		1858
1300	# also paths starting with '/'	1859	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1861
1303	sub thawer_merge {	1862	sub thawer_merge {
1304	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1305		1864
1306	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1307	local $self->{path};	1866	local $self->{path};
1308	local $self->{load_path};	1867	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1868
1312	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1313	}	1870	}
1314		1871
1315	sub normalise {	1872	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1363	return $self;	1920	return $self;
1364	}	1921	}
1365	}	1922	}
1366		1923
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1925	()
1369	}	1926	}
1370		1927
1371	sub init {	1928	sub init {
1372	my ($self) = @_;	1929	my ($self) = @_;
…		…
1394		1951
1395	# the temporary/swap location	1952	# the temporary/swap location
1396	sub save_path {	1953	sub save_path {
1397	my ($self) = @_;	1954	my ($self) = @_;
1398		1955
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1401	}	1958	}
1402		1959
1403	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1404	sub uniq_path {	1961	sub uniq_path {
1405	my ($self) = @_;	1962	my ($self) = @_;
1406		1963
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1409	}	1966	}
1410		1967
1411	# and all this just because we cannot iterate over	1968	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1969	my ($self) = @_;
1415		1970
1416	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1418	}	1974	}
1419		1975
1420	sub unlink_save {	1976	sub unlink_save {
1421	my ($self) = @_;	1977	my ($self) = @_;
1422		1978
…		…
1427		1983
1428	sub load_header_from($) {	1984	sub load_header_from($) {
1429	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1430		1986
1431	utf8::encode $path;	1987	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1996
1438	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1439		1998
1440	1	1999	1
1441	}	2000	}
…		…
1480	$self->load_header_orig	2039	$self->load_header_orig
1481	or return;	2040	or return;
1482	$self->prepare_orig;	2041	$self->prepare_orig;
1483	}	2042	}
1484		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
1485	$self->default_region (cf::region::find_by_path $self->{path})	2047	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2048	unless $self->default_region;
1487		2049
1488	1	2050	1
1489	}	2051	}
…		…
1492	sub find {	2054	sub find {
1493	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1494		2056
1495	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1496		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2061
1499	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1502	or return;	2064	or return;
1503		2065
1504	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1505		2067
1506	$map->load_header	2068	$map->load_header
1507	or return;	2069	or return;
1508		2070
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1512	$map->reset;	2076	$map->reset;
1513	undef $guard;
1514	return find $path;	2077	return find $path;
1515	}	2078	}
1516		2079
1517	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1518	}	2081	}
1519	}	2082	}
1520		2083
1521	sub pre_load { }	2084	sub pre_load { }
1522	sub post_load { }	2085	#sub post_load { } # XS
1523		2086
1524	sub load {	2087	sub load {
1525	my ($self) = @_;	2088	my ($self) = @_;
1526		2089
1527	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1528		2091
1529	my $path = $self->{path};	2092	my $path = $self->{path};
1530		2093
1531	{	2094	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1533		2096
		2097	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2099
1536	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1537		2101
1538	$self->alloc;	2102	$self->alloc;
1539		2103
1540	$self->pre_load;	2104	$self->pre_load;
1541	Coro::cede;	2105	cf::cede_to_tick;
1542		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1544	or return;	2110	or return;
1545		2111
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1547	if delete $self->{load_original};	2113	if delete $self->{load_original};
1548		2114
1549	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2116	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2119	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1554	}	2123	}
1555	}	2124	}
1556		2125
1557	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1558	# now do the right thing for maps	2129	# now do the right thing for maps
1559	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2132	unless $self->difficulty;
1562	Coro::cede;	2133	cf::cede_to_tick;
1563		2134
1564	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2136	$self->decay_objects;
1566	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1567	$self->update_buttons;	2138	$self->update_buttons;
1568	Coro::cede;	2139	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2140	$self->activate;
1572	}	2141	}
1573		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2147	}
1576		2148
1577	$self->post_load;	2149	$self->post_load;
1578	}	2150	}
1579		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2155	sub customise_for {
1581	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1582		2157
1583	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2159	if $self->per_player;
1585		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1586	$self	2164	$self
1587	}	2165	}
1588		2166
1589	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2168	sub load_neighbours {
1591	my ($map) = @_;	2169	my ($map) = @_;
1592		2170
1593	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1594		2172
1595	for (0 .. 3) {	2173	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1597	or next;	2175	or next;
1598	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1599	or next;	2177	or next;
1600	$neigh->load;	2178	$neigh->load;
1601		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2184	}
1605		2185
1606	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1608	or next;	2189	or next;
1609	$neigh->load;	2190	$neigh->load;
1610	}	2191	}
1611	}	2192	}
1612		2193
1613	sub find_sync {	2194	sub find_sync {
1614	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1615		2196
1616	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, $origin
1617	}	2201	}
1618		2202
1619	sub do_load_sync {	2203	sub do_load_sync {
1620	my ($map) = @_;	2204	my ($map) = @_;
1621		2205
1622	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;
1623	}	2210	}
1624		2211
1625	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1627		2214
1628	sub find_async {	2215	sub find_async {
1629	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1630		2217
1631	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1632		2219
1633	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2222	}
1636		2223
1637	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1638	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1639	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2231	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2232	$map->load if $v;
		2233	}
1644		2234
1645	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1646	}	2236	}
1647	}	2237	}
1648	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1649	};	2239	};
1650	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1651		2241
1652	()	2242	()
1653	}	2243	}
1654		2244
		2245	# common code, used by both ->save and ->swapout
1655	sub save {	2246	sub _save {
1656	my ($self) = @_;	2247	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2248
1660	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1661		2250
1662	return unless $self->dirty;	2251	return unless $self->dirty;
1663		2252
…		…
1669	return if $self->{deny_save};	2258	return if $self->{deny_save};
1670		2259
1671	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1672		2261
1673	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1675	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1676		2268
1677	if ($uniq) {	2269	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2272	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2274	}
1683	}	2275	}
1684		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1685	sub swap_out {	2285	sub swap_out {
1686	my ($self) = @_;	2286	my ($self) = @_;
1687		2287
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1693	return if $self->players;	2292	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2303	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2304	}
1700		2305
1701	sub reset_at {	2306	sub reset_at {
1702	my ($self) = @_;	2307	my ($self) = @_;
1703		2308
1704	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1707		2311
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2314
…		…
1721	my ($self) = @_;	2325	my ($self) = @_;
1722		2326
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2328
1725	return if $self->players;	2329	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2330
1728	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1729		2332
1730	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1731		2334
1732	# need to save uniques path	2335	# need to save uniques path
1733	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2340	if $uniq;
1738	}	2341	}
1739		2342
1740	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1741		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2347	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2348
1746	$self->unlink_save;	2349	$self->unlink_save;
1747	$self->destroy;	2350	$self->destroy;
1748	}	2351	}
1749		2352
1750	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1751		2354
1752	sub nuke {	2355	sub nuke {
1753	my ($self) = @_;	2356	my ($self) = @_;
1754		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1755	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1756		2362
1757	$self->unlink_save;	2363	$self->unlink_save;
1758		2364
1759	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2370
1765	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1766		2373
1767	$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	]
1768	}	2411	}
1769		2412
1770	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1771		2414
1772	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2416	instantiated unique items. May block.
1774		2417
1775	=cut	2418	=cut
1776		2419
1777	sub unique_maps() {	2420	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2421	[
1779	or return;	2422	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2423	utf8::decode $_;
1785	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2426	? ()
1788	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2429	]
1790
1791	\@paths
1792	}	2430	}
1793		2431
1794	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	}
1795		2463
1796	=back	2464	=back
1797		2465
1798	=head3 cf::object	2466	=head3 cf::object
1799		2467
…		…
1803		2471
1804	=over 4	2472	=over 4
1805		2473
1806	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1807		2475
1808	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.
1809		2478
1810	=cut	2479	=cut
1811		2480
1812	sub inv_recursive_;	2481	sub inv_recursive_;
1813	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1816		2485
1817	sub inv_recursive {	2486	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1819	}	2488	}
1820		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
1821	package cf;	2518	package cf;
1822		2519
1823	=back	2520	=back
1824		2521
1825	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1834		2531
1835	=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	};
1836		2547
1837	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2549	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1842		2553
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2555
1845	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1850	}	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 (@_);
1851	}	2581	}
1852		2582
1853	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1854		2584
1855	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1868		2598
1869	=item $player_object->enter_link	2599	=item $player_object->enter_link
1870		2600
1871	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}>).
1872		2602
1873	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.
1874	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.
1875		2607
1876	Will never block.	2608	Will never block.
1877		2609
1878	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1879		2611
…		…
1899	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2632	my ($self) = @_;
1901		2633
1902	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1903		2635
		2636	++$self->{_link_recursion};
		2637
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2639
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
1908		2642
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2644	}
1911		2645
1912	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
1914		2648
…		…
1931	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1933		2667
1934	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1937		2671
1938	$map->load;	2672	$map->load;
1939	$map->load_diag;	2673	$map->load_neighbours;
1940		2674
1941	return unless $self->contr->active;	2675	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2676
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1946	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
1947		2684
		2685	}
		2686
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2688
1950	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	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 >>.
1954		2697
1955	=cut	2698	=cut
1956		2699
1957	our $GOTOGEN;	2700	our $GOTOGEN;
1958		2701
1959	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2703	my ($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	}
1961		2710
1962	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2713
1965	$self->enter_link;	2714	$self->enter_link;
1966		2715
1967	(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
1968	my $map = eval {	2738	my $map = eval {
1969	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
1970		2740
1971	if ($map) {	2741	if ($map) {
1972	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2744	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2746	}
1977		2747
1978	$map	2748	$map
1979	};	2749	};
1980		2750
…		…
1985		2755
1986	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
1989	}	2759	}
		2760
		2761	$done->($self) if $done;
1990	})->prio (1);	2762	})->prio (1);
1991	}	2763	}
1992		2764
1993	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1994		2766
…		…
2014	}	2786	}
2015		2787
2016	sub prepare_random_map {	2788	sub prepare_random_map {
2017	my ($exit) = @_;	2789	my ($exit) = @_;
2018		2790
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2793	# that depends on the exit object
2024		2794
2025	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2797	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2032	}	2804	}
2033		2805
2034	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2035		2807
2036	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2039		2811
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2814	undef $fh;
2043	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2044		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2047	}	2823	}
2048	}	2824	}
2049		2825
2050	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2052		2828
2053	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2054		2830
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2831	$self->enter_link;
2067		2832
2068	(async {	2833	(async {
2069	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2072		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
2073	1;	2857	1
2074	}) {	2858	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2863
2080	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2865	$self->leave_link;
2082	}	2866	}
2083	})->prio (1);	2867	})->prio (1);
2084	}	2868	}
2085		2869
…		…
2099		2883
2100	utf8::encode $text;	2884	utf8::encode $text;
2101	$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);
2102	}	2886	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2105		3076
2106	Sends an exti event to the client.	3077	Sends an ext event to the client.
2107		3078
2108	=cut	3079	=cut
2109		3080
2110	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2112		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	3108	}
2116		3109
2117	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2118		3111
2119	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3115
2123	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
2124	reliable at some point in the future.	3117	become reliable at some point in the future.
2125		3118
2126	=cut	3119	=cut
2127		3120
2128	sub cf::client::query {	3121	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3130	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3132
2140	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2142	}	3137	}
2143		3138
2144	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	},
2145	on_reply => sub {	3145	on_reply => sub {
2146	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2147		3147
2148	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2149	# get handled first	3149	# get handled first
…		…
2161	} else {	3161	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3163	}
2164	}	3164	}
2165	},	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	},
2166	);	3192	);
2167		3193
2168	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2169		3195
2170	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3212
2187	$coro	3213	$coro
2188	}	3214	}
2189		3215
2190	cf::client->attach (	3216	cf::client->attach (
2191	on_destroy => sub {	3217	on_client_destroy => sub {
2192	my ($ns) = @_;	3218	my ($ns) = @_;
2193		3219
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3221	},
2196	);	3222	);
…		…
2211	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2213		3239
2214	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2215		3241
2216	$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	));
2217		3247
2218	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2219		3249
2220	=pod	3250	=pod
2221		3251
2222	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2223		3253
2224	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
2225	cf::object::player player	3259	cf::object::player
2226	cf::player peaceful	3260	player
2227	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2228		3267
2229	=cut	3268	=cut
2230		3269
2231	for (	3270	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2236	) {	3277	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3280	for @funs;
2241	}	3281	}
2242		3282
…		…
2257		3297
2258	my $qcode = $code;	3298	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2261		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2262	local $_;	3305	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3306
2265	my $eval =	3307	my $eval =
2266	"do {\n"	3308	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3311	. $code
2270	. "\n}"	3312	. "\n}"
2271	;	3313	;
2272		3314
		3315	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3324
2277	if ($@) {	3325	if ($@) {
2278	warn "$@";	3326	warn "$@",
2279	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2281	}	3329	}
2282		3330
2283	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2284	}	3332	}
2285		3333
…		…
2299	=cut	3347	=cut
2300		3348
2301	sub register_script_function {	3349	sub register_script_function {
2302	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2303		3351
2304	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2306	}	3354	}
2307		3355
2308	=back	3356	=back
2309		3357
2310	=cut	3358	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3359
2484	#############################################################################	3360	#############################################################################
2485	# the server's init and main functions	3361	# the server's init and main functions
2486		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 $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2487	sub load_facedata($) {	3406	sub load_facedata($) {
2488	my ($path) = @_;	3407	my ($path) = @_;
2489		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2490	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2491		3416
2492	my $facedata;	3417	my $facedata;
2493	0 < aio_load $path, $facedata	3418	0 < aio_load $path, $facedata
2494	or die "$path: $!";	3419	or die "$path: $!";
2495		3420
2496	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2497		3422
2498	$facedata->{version} == 2	3423	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2501	{	3435	{
2502	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2503		3437
2504	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3440
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3445
		3446	cf::cede_to_tick;
2511	}	3447	}
2512		3448
2513	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2515	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2516	or next;	3453	or next;
		3454
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3458	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3460	}
2522	Coro::cede;	3461
		3462	cf::cede_to_tick;
2523	}	3463	}
2524	}	3464	}
2525		3465
2526	{	3466	{
2527	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2528		3468
2529	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3471	cf::cede_to_tick;
2532	}	3472	}
2533		3473
2534	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2535	}	3475	}
2536		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2537	1	3496	1
2538	}	3497	}
2539		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2540	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2541	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
2543	}	3529	}
2544		3530
2545	sub reload_facedata {	3531	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3532	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3533	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3541	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2558	}	3544	}
2559		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2560	sub reload_resources {	3569	sub reload_resources {
2561	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2562		3571
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2563	reload_regions;	3575	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3576	reload_treasures;
2567		3577
2568	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2569	}	3579	}
2570		3580
2571	sub init {	3581	sub reload_config {
2572	reload_resources;	3582	trace "reloading config file...\n";
2573	}
2574		3583
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3585	or return;
2578		3586
2579	local $/;	3587	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2581		3589
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3591
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3594
2587	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3599	};
2592	warn $@ if $@;	3600	warn $@ if $@;
2593	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3632	}
2595		3633
2596	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2597	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3647	(async {
2601	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2603	};	3651	};
2604		3652
2605	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2606	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2607	load_extensions;	3678	load_extensions;
2608		3679
2609	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2611	}	3698	}
2612		3699
2613	#############################################################################	3700	#############################################################################
2614	# initialisation and cleanup	3701	# initialisation and cleanup
2615		3702
2616	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2617	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2626	},
2627	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2628	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2629	}	3799	}
2630		3800
2631	sub emergency_save() {	3801	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2633		3803
2634	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2635		3810
2636	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2637	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3822	$pl->save;
2645	}	3823	}
2646	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2647		3825
2648	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3831	$map->valid or next;
2652	$map->save;	3832	$map->save;
2653	}	3833	}
2654	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2655		3835
2656	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3864	};
2660		3865
2661	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2662	}	3867	}
2663		3868
2664	sub post_cleanup {	3869	sub post_cleanup {
2665	my ($make_core) = @_;	3870	my ($make_core) = @_;
2666		3871
		3872	IO::AIO::flush;
		3873
2667	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3875	if $make_core;
		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
2669	}	3904	}
2670		3905
2671	sub do_reload_perl() {	3906	sub do_reload_perl() {
2672	# can/must only be called in main	3907	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2674	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2675	return;	3910	return;
2676	}	3911	}
2677		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2678	warn "reloading...";	3918	info "reloading...";
2679		3919
2680	warn "entering sync_job";	3920	trace "entering sync_job";
2681		3921
2682	cf::sync_job {	3922	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3923	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3924
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3927	%EXT_CORO = ();
2711		3928
2712	warn "removing commands";	3929	trace "removing commands";
2713	%COMMAND = ();	3930	%COMMAND = ();
2714		3931
2715	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2716	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2717		3935
2718	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2721		3939
2722	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3941	eval {
2724	$cb->($pkg);	3942	$cb->($pkg);
2725	1	3943	1
2726	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2727	}	3949	}
2728		3950
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3954
2737	warn "... unloading $k";	3955	trace "... unloading $k";
2738	delete $INC{$k};	3956	delete $INC{$k};
2739		3957
2740	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2742		3960
2743	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2745	}	3966	}
2746		3967
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3971
2754	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3975
2758	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3977	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2761		3979
2762	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2763		3981
2764	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2765	require cf;	3983	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2767		3985
2768	warn "loading config and database again";	3986	trace "loading config and database again";
2769	cf::cfg_load;	3987	cf::reload_config;
2770		3988
2771	warn "loading extensions";	3989	trace "loading extensions";
2772	cf::load_extensions;	3990	cf::load_extensions;
2773		3991
		3992	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
2780		4000
		4001	trace "running post_init jobs";
		4002	(pop @POST_INIT)->(1) while @POST_INIT;
		4003
2781	warn "leaving sync_job";	4004	trace "leaving sync_job";
2782		4005
2783	1	4006	1
2784	} or do {	4007	} or do {
2785	warn $@;	4008	error $@;
2786	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
2787	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
2788	};	4014	}
2789		4015
2790	warn "reloaded";	4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
2791	};	4018	};
2792		4019
2793	our $RELOAD_WATCHER; # used only during reload	4020	our $RELOAD_WATCHER; # used only during reload
2794		4021
2795	sub reload_perl() {	4022	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4023	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4024	# coro crashes during coro_state_free->destroy here.
2798		4025
2799	$RELOAD_WATCHER ||= Event->timer (	4026	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4027	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4028
2802	data => WF_AUTOCANCEL,	4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4030	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4031	undef $RELOAD_WATCHER;
2806	},	4032	};
2807	);	4033	};
2808	}	4034	}
2809		4035
2810	register_command "reload" => sub {	4036	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2812		4038
2813	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
		4041	async {
		4042	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4043	reload_perl;
		4044	};
2816	}	4045	}
2817	};	4046	};
2818		4047
2819	unshift @INC, $LIBDIR;	4048	#############################################################################
2820		4049
2821	my $bug_warning = 0;	4050	my $bug_warning = 0;
2822		4051
2823	our @WAIT_FOR_TICK;	4052	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4053	our @WAIT_FOR_TICK_BEGIN;
2825		4054
2826	sub wait_for_tick {	4055	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4057
2830	my $signal = new Coro::Signal;	4058	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4059	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4060	$signal->wait;
2833	}	4061	}
2834		4062
2835	sub wait_for_tick_begin {	4063	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4065
2839	my $signal = new Coro::Signal;	4066	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4067	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4068	$signal->wait;
2842	}	4069	}
2843		4070
2844	my $min = 1e6;#d#	4071	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2856	return;	4075	return;
2857	}	4076	}
2858		4077
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2862		4079
2863	0 && sync_job {#d#	4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4081
2869	$map->width (50);	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4084	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4085	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4086	write_runtime_sync
2874		4087	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4088	};
		4089	}
2885		4090
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4092	$sig->send;
2902	}	4093	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4094	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4095	$sig->send;
2905	}	4096	}
2906		4097
2907	$NOW = Event::time;	4098	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4100
2918	_post_tick;	4101	if (0) {
2919		4102	if ($NEXT_TICK) {
2920		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
2921	},	4107	}
2922	);	4108	}
2923		4109
2924	{	4110	{
2925	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4112
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2935		4114	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4116
2951	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4124
2954	cf::sync_job {	4125	cf::sync_job {
2955	eval {	4126	eval {
2956	BDB::db_env_open	4127	BDB::db_env_open
2957	$DB_ENV,	4128	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4132	0666;
2962		4133
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4135	};
2968		4136
2969	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4138	};
2971	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
2972	}	4150	}
2973		4151
2974	{	4152	{
		4153	# configure IO::AIO
		4154
2975	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4158	}
2988		4159
2989	my $_log_backtrace;	4160	my $_log_backtrace;
2990		4161
2991	sub _log_backtrace {	4162	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4165	$msg =~ s/\n//;
2995		4166
2996	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4168	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
2999	async {	4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
3000	my @bt = fork_call {	4174	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4175	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4178	or die "addr2line: $!";
…		…
3012	}	4186	}
3013		4187
3014	@funcs	4188	@funcs
3015	};	4189	};
3016		4190
3017	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4193	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4194	--$_log_backtrace;
3020	};	4195	};
3021	} else {	4196	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4197	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4198	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4199	}
3025	}	4200	}
3026		4201
3027	# load additional modules	4202	# load additional modules
3028	use cf::pod;	4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
3029		4205
3030	END { cf::emergency_save }	4206	END { cf::emergency_save }
3031		4207
3032	1	4208	1
3033		4209

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