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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 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 incloader);
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 thread
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	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		300
194	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	302	# within the Safe compartment.
196	for my $pkg (qw(	303	for my $pkg (qw(
197	cf::global cf::attachable	304	cf::global cf::attachable
198	cf::object cf::object::player	305	cf::object cf::object::player
199	cf::client cf::player	306	cf::client cf::player
200	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
201	cf::map cf::party cf::region	309	cf::party cf::region
202	)) {	310	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	312	}
206		313
207	$Event::DIED = sub {	314	$EV::DIED = sub {
208	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
209	};	316	};
		317
		318	#############################################################################
210		319
211	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
212		321
213	=over 4	322	=over 4
214		323
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	343	$d
235	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
236	}	345	}
237		346
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
241		348
242	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
243		350
244	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
245		352
246	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
247		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
248	=item cf::lock_wait $string	376	=item cf::lock_wait $string
249		377
250	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
251		379
252	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
253		381
254	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
257	returned.	385	returned.
258		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
259	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
261		392
262	=item $locked = cf::lock_active $string	393	=item $locked = cf::lock_active $string
263		394
264	Return true if the lock is currently active, i.e. somebody has locked it.	395	Return true if the lock is currently active, i.e. somebody has locked it.
265		396
266	=cut	397	=cut
267		398
268	our %LOCK;	399	our $LOCKS = new Coro::SemaphoreSet;
269		400
270	sub lock_wait($) {	401	sub lock_wait($) {
271	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	403	}
279		404
280	sub lock_acquire($) {	405	sub lock_acquire($) {
281	my ($key) = @_;	406	$LOCKS->guard ($_[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	}	407	}
293		408
294	sub lock_active($) {	409	sub lock_active($) {
295	my ($key) = @_;	410	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	411	}
299		412
300	sub freeze_mainloop {	413	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
302		415
303	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
305	};	483	}
306	$TICK_WATCHER->stop;	484	};
307	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
308	}	499	}
309		500
310	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
311		502
312	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		508
318	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
319		510
320	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
321		512
322	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
325		517
326	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
329	fast or be very important.	521	fast or be very important.
…		…
331	=cut	523	=cut
332		524
333	sub sync_job(&) {	525	sub sync_job(&) {
334	my ($job) = @_;	526	my ($job) = @_;
335		527
336	if ($Coro::current == $Coro::main) {	528	if (in_main) {
337	my $time = Event::time;	529	my $time = AE::time;
338		530
339	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
341		533
342	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	535
344	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
345		537
346	my $busy = 1;	538	my $busy = 1;
347	my @res;	539	my @res;
348		540
349	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	543	@res = eval { $job->() };
351	warn $@ if $@;	544	error $@ if $@;
352	undef $busy;	545	undef $busy;
353	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
354		547
355	while ($busy) {	548	while ($busy) {
356	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
357	}	553	}
		554	}
358		555
359	$time = Event::time - $time;	556	my $time = AE::time - $time;
360		557
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	558	$TICK_START += $time; # do not account sync jobs to server load
365		559
366	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
367	} else {	561	} else {
368	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
369		563
…		…
389	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
390		584
391	$coro	585	$coro
392	}	586	}
393		587
394	sub write_runtime {	588	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		589
397	# first touch the runtime file to show we are still running:	590	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
399		594
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	595	=cut
401	utime undef, undef, $fh;	596
		597	sub fork_call(&@) {
		598	my ($cb, @args) = @_;
		599
		600	# we seemingly have to make a local copy of the whole thing,
		601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
		603
		604	my @res = Coro::Util::fork_eval {
		605	reset_signals;
		606	&$cb
		607	}, @args;
		608
		609	wantarray ? @res : $res[-1]
		610	}
		611
		612	sub objinfo {
		613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
402	}	680	};
		681	cf::cleanup "db_open(db): $@" if $@;
403		682
404	my $guard = cf::lock_acquire "write_runtime";	683	$db
		684	}
405		685
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	686	our $DB;
407	or return;
408		687
409	my $value = $cf::RUNTIME + 90 + 10;	688	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	689	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	690	}
412		691
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub db_get($$) {
414	and return;	693	my $key = "$_[0]/$_[1]";
415		694
416	# always fsync - this file is important	695	cf::error "db_get called from main context"
417	aio_fsync $fh	696	if $Coro::current == $Coro::main;
418	and return;
419		697
420	# touch it again to show we are up-to-date	698	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		699
423	close $fh	700	$! ? ()
424	or return;	701	: $data
		702	}
425		703
426	aio_rename "$runtime~", $runtime	704	sub db_put($$$) {
427	and return;	705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
428		708
429	warn "runtime file written.\n";#d#	709	=item cf::cache $id => [$paths...], $processversion => $process
430		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
431	1	774	}
		775
		776	db_get cache => "$id/data"
432	}	777	}
433		778
434	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
435		780
436	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
437		782
438	=cut	783	=cut
439		784
440	sub datalog($@) {	785	sub datalog($@) {
441	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	788	}
444		789
445	=back	790	=back
446		791
447	=cut	792	=cut
448		793
449	#############################################################################	794	#############################################################################
450		795
451	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
452		797
453	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
456		801
457	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	804	Deliantra).
460		805
461	=over 4	806	=over 4
462		807
463	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
464		809
…		…
508	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
509		854
510	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
512		857
513	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
515		860
516	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
517		862
518	=over 4	863	=over 4
…		…
642		987
643	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		990
646	} elsif (ref $type) {	991	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
648		993
649	} else {	994	} else {
650	shift @arg;	995	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
652	}	997	}
653	}	998	}
654	}	999	}
655		1000
656	sub _object_attach {	1001	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
667	}	1012	}
668		1013
669	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
670	} else {	1015	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1017	}
673		1018
674	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
675	}	1020	}
676		1021
…		…
716	";	1061	";
717	die if $@;	1062	die if $@;
718	}	1063	}
719		1064
720	our $override;	1065	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1067
723	sub override {	1068	sub override {
724	$override = 1;	1069	$override = 1;
725	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
726	}	1071	}
727		1072
728	sub do_invoke {	1073	sub do_invoke {
729	my $event = shift;	1074	my $event = shift;
730	my $callbacks = shift;	1075	my $callbacks = shift;
731		1076
732	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
733		1078
734	local $override;	1079	local $override;
735		1080
736	for (@$callbacks) {	1081	for (@$callbacks) {
737	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
738		1083
739	if ($@) {	1084	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1086	override;
743	}	1087	}
744		1088
745	return 1 if $override;	1089	return 1 if $override;
746	}	1090	}
747		1091
748	0	1092	0
749	}	1093	}
750		1094
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1096
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1098
755	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
756		1100
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1104
761	=back	1105	=back
762		1106
763	=cut	1107	=cut
764		1108
765	#############################################################################	1109	#############################################################################
766	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
767		1153
768	sub reattach {	1154	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1156	my ($obj) = @_;
771		1157
		1158	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1160
774	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
775		1162
776	@$registry = ();	1163	@$registry = ();
777		1164
…		…
782	for (@$attach) {	1169	for (@$attach) {
783	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
785	}	1172	}
786	} else {	1173	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1175	}
789	}	1176	}
790	}	1177	}
791		1178
792	cf::attachable->attach (	1179	cf::attachable->attach (
793	prio => -1000000,	1180	prio => -1000000,
794	on_instantiate => sub {	1181	on_instantiate => sub {
795	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
796		1183
797	$data = from_json $data;	1184	$data = decode_json $data;
798		1185
799	for (@$data) {	1186	for (@$data) {
800	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
801		1188
802	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1205	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
820		1207
821	sync_job {	1208	sync_job {
822	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
825		1214
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
830	close $fh;	1222	aio_close $fh;
831		1223
832	if (@$objs) {	1224	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
838	close $fh;	1233	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
840	}	1235	}
841	} else {	1236	} else {
842	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
843	}	1238	}
844		1239
845	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1244	} else {
847	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
848	}	1246	}
849	} else {	1247	} else {
850	aio_unlink $filename;	1248	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
852	}	1250	}
853	}	1251	};
854	}	1252	}
855		1253
856	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
858		1256
…		…
870	or return;	1268	or return;
871		1269
872	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
874	or return;	1272	or return;
		1273
875	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
876	}	1276	}
877		1277
		1278	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
880	return ($data, $av);	1283	($data, $av)
881	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
882		1291
883	#############################################################################	1292	#############################################################################
884	# command handling &c	1293	# command handling &c
885		1294
886	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1309	}
901		1310
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1312
904	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
905		1318
906	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
907	called.	1320	called.
908		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
909	=cut	1333	=cut
910		1334
911	sub register_extcmd {	1335	sub register_extcmd {
912	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
913		1337
914	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
915	}	1339	}
916		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
917	cf::player->attach (	1349	cf::player->attach (
918	on_command => sub {	1350	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
920		1352
921	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
922	or return;	1354	or return;
923		1355
…		…
928	cf::override;	1360	cf::override;
929	},	1361	},
930	on_extcmd => sub {	1362	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
932		1364
933	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1366
935	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
941	} else {	1382	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1384	}
944		1385
945	cf::override;	1386	cf::override;
946	},	1387	},
947	);	1388	);
948		1389
		1390	# "readahead" all extensions
949	sub load_extension {	1391	sub cache_extensions {
950	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
951		1393
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1397	}
977	die $@;
978	}	1398	};
979		1399
980	push @EXTS, $pkg;	1400	$grp
981	}	1401	}
982		1402
983	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
984	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1410	next unless -r $path;
986	eval {	1411
987	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
988	1	1475	}
989	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
990	}	1486	};
991	}	1487	}
992		1488
993	#############################################################################	1489	#############################################################################
994		1490
		1491	=back
		1492
995	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
996		1494
997	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
998		1496
999	=cut	1497	=cut
1000		1498
1001	package cf::player;	1499	package cf::player;
1002		1500
1003	use Coro::AIO;	1501	use Coro::AIO;
1004		1502
1005	=head3 cf::player	1503	=head3 cf::player
1006		1504
1007	=over 4	1505	=over 4
		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
1008		1520
1009	=item cf::player::find $login	1521	=item cf::player::find $login
1010		1522
1011	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
1012		1524
…		…
1031		1543
1032	sub exists($) {	1544	sub exists($) {
1033	my ($login) = @_;	1545	my ($login) = @_;
1034		1546
1035	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
1037	}	1549	}
1038		1550
1039	sub find($) {	1551	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1553	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1564
1053	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
1056	}	1574	}
1057	}	1575	}
1058	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
1059		1590
1060	sub save($) {	1591	sub save($) {
1061	my ($pl) = @_;	1592	my ($pl) = @_;
1062		1593
1063	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1069		1600
1070	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1072		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1073	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1074	Coro::cede;	1610	cf::cede_to_tick;
1075	}	1611	}
1076		1612
1077	sub new($) {	1613	sub new($) {
1078	my ($login) = @_;	1614	my ($login) = @_;
1079		1615
…		…
1085	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1086		1622
1087	$self	1623	$self
1088	}	1624	}
1089		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1090	=item $pl->quit_character	1636	=item $pl->quit_character
1091		1637
1092	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1094		1640
…		…
1098	my ($pl) = @_;	1644	my ($pl) = @_;
1099		1645
1100	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1101		1647
1102	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1650
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1109		1656
1110	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1694	or return [];
1148		1695
1149	my @logins;	1696	my @logins;
1150		1697
1151	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1155		1708
1156	utf8::decode $login;	1709	utf8::decode $login;
1157	push @logins, $login;	1710	push @logins, $login;
1158	}	1711	}
1159		1712
1160	\@logins	1713	\@logins
1161	}	1714	}
1162		1715
1163	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1164		1719
1165	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1166	player. May block.	1721	player. May block.
1167		1722
1168	=cut	1723	=cut
…		…
1186	}	1741	}
1187		1742
1188	\@paths	1743	\@paths
1189	}	1744	}
1190		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1191	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1192		1751
1193	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1194		1753
1195	=cut	1754	=cut
1196		1755
1197	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1199		1758
1200	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1760	}
1204		1761
1205	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1206		1763
1207	Sends an ext event to the client.	1764	Sends an ext event to the client.
1208		1765
1209	=cut	1766	=cut
1210		1767
1211	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1213		1770
1214	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1215	}	1772	}
1216		1773
1217	=head3 cf::region	1774	=head3 cf::region
1218		1775
1219	=over 4	1776	=over 4
…		…
1222		1779
1223	package cf::region;	1780	package cf::region;
1224		1781
1225	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1226		1783
1227	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1228		1785
1229	=cut	1786	=cut
1230		1787
1231	sub find_by_path($) {	1788	sub find_by_path($) {
1232	my ($path) = @_;	1789	my ($path) = @_;
1233		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1234	my ($match, $specificity);	1793	my ($match, $specificity);
1235		1794
1236	for my $region (list) {	1795	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1240	}	1799	}
1241	}	1800	}
1242		1801
…		…
1263	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1265		1824
1266	sub generate_random_map {	1825	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1268	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1831	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1291		1853
1292	sub register {	1854	sub register {
1293	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1856	my $pkg = caller;
1295		1857
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1859
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1861	}
1301		1862
1302	# also paths starting with '/'	1863	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1865
1305	sub thawer_merge {	1866	sub thawer_merge {
1306	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1307		1868
1308	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1309	local $self->{path};	1870	local $self->{path};
1310	local $self->{load_path};	1871	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1872
1314	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1315	}	1874	}
1316		1875
1317	sub normalise {	1876	sub normalise {
1318	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1319		1878
1320	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1321		1880
1322	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1323		1882
1324	# map plan:	1883	# map plan:
1325	#	1884	#
…		…
1364	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1365	return $self;	1924	return $self;
1366	}	1925	}
1367	}	1926	}
1368		1927
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1929	()
1371	}	1930	}
1372		1931
1373	sub init {	1932	sub init {
1374	my ($self) = @_;	1933	my ($self) = @_;
…		…
1396		1955
1397	# the temporary/swap location	1956	# the temporary/swap location
1398	sub save_path {	1957	sub save_path {
1399	my ($self) = @_;	1958	my ($self) = @_;
1400		1959
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1961	"$TMPDIR/$path.map"
1403	}	1962	}
1404		1963
1405	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1406	sub uniq_path {	1965	sub uniq_path {
1407	my ($self) = @_;	1966	my ($self) = @_;
1408		1967
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1969	"$UNIQUEDIR/$path"
1411	}	1970	}
1412		1971
1413	# and all this just because we cannot iterate over	1972	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1973	my ($self) = @_;
1417		1974
1418	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1420	}	1978	}
1421		1979
1422	sub unlink_save {	1980	sub unlink_save {
1423	my ($self) = @_;	1981	my ($self) = @_;
1424		1982
…		…
1429		1987
1430	sub load_header_from($) {	1988	sub load_header_from($) {
1431	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1432		1990
1433	utf8::encode $path;	1991	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1439		2000
1440	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1441		2002
1442	1	2003	1
1443	}	2004	}
…		…
1482	$self->load_header_orig	2043	$self->load_header_orig
1483	or return;	2044	or return;
1484	$self->prepare_orig;	2045	$self->prepare_orig;
1485	}	2046	}
1486		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
1487	$self->default_region (cf::region::find_by_path $self->{path})	2051	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2052	unless $self->default_region;
1489		2053
1490	1	2054	1
1491	}	2055	}
1492		2056
1493	sub find;	2057	sub find;
1494	sub find {	2058	sub find {
1495	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1496		2060
		2061	cf::cede_to_tick;
		2062
1497	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1498		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2067
1501	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1504	or return;	2070	or return;
1505		2071
1506	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1507		2073
1508	$map->load_header	2074	$map->load_header
1509	or return;	2075	or return;
1510		2076
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1514	$map->reset;	2082	$map->reset;
1515	undef $guard;
1516	return find $path;	2083	return find $path;
1517	}	2084	}
1518		2085
1519	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1520	}	2087	}
1521	}	2088	}
1522		2089
1523	sub pre_load { }	2090	sub pre_load { }
1524	sub post_load { }	2091	#sub post_load { } # XS
1525		2092
1526	sub load {	2093	sub load {
1527	my ($self) = @_;	2094	my ($self) = @_;
1528		2095
1529	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1530		2097
1531	my $path = $self->{path};	2098	my $path = $self->{path};
1532		2099
1533	{	2100	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1535		2102
		2103	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2105
1538	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1539		2107
1540	$self->alloc;	2108	$self->alloc;
1541		2109
1542	$self->pre_load;	2110	$self->pre_load;
1543	Coro::cede;	2111	cf::cede_to_tick;
1544		2112
		2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2115	$self->_load_objects ($f)
1546	or return;	2116	or return;
1547		2117
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1549	if delete $self->{load_original};	2119	if delete $self->{load_original};
1550		2120
1551	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2122	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2125	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1556	}	2129	}
1557	}	2130	}
1558		2131
1559	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1560	# now do the right thing for maps	2135	# now do the right thing for maps
1561	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2138	unless $self->difficulty;
1564	Coro::cede;	2139	cf::cede_to_tick;
1565		2140
1566	unless ($self->{deny_activate}) {	2141	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2142	$self->decay_objects;
1568	$self->fix_auto_apply;	2143	$self->fix_auto_apply;
1569	$self->update_buttons;	2144	$self->update_buttons;
1570	Coro::cede;	2145	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2146	$self->activate;
1574	}	2147	}
1575		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2152	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2153	}
1578		2154
1579	$self->post_load;	2155	$self->post_load;
1580	}	2156	}
1581		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2161	sub customise_for {
1583	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1584		2163
1585	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2165	if $self->per_player;
1587		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1588	$self	2170	$self
1589	}	2171	}
1590		2172
1591	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2174	sub load_neighbours {
1593	my ($map) = @_;	2175	my ($map) = @_;
1594		2176
1595	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1596		2178
1597	for (0 .. 3) {	2179	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1599	or next;	2181	or next;
1600	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1601	or next;	2183	or next;
1602	$neigh->load;	2184	$neigh->load;
1603		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2190	}
1607		2191
1608	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1610	or next;	2195	or next;
1611	$neigh->load;	2196	$neigh->load;
1612	}	2197	}
1613	}	2198	}
1614		2199
1615	sub find_sync {	2200	sub find_sync {
1616	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1617		2202
1618	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1619	}	2207	}
1620		2208
1621	sub do_load_sync {	2209	sub do_load_sync {
1622	my ($map) = @_;	2210	my ($map) = @_;
1623		2211
1624	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1625	}	2216	}
1626		2217
1627	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1629		2220
1630	sub find_async {	2221	sub find_async {
1631	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1632		2223
1633	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1634		2225
1635	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2228	}
1638		2229
1639	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1640	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1641	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2237	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2238	$map->load if $v;
		2239	}
1646		2240
1647	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1648	}	2242	}
1649	}	2243	}
1650	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1651	};	2245	};
1652	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1653		2247
1654	()	2248	()
1655	}	2249	}
1656		2250
		2251	# common code, used by both ->save and ->swapout
1657	sub save {	2252	sub _save {
1658	my ($self) = @_;	2253	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2254
1662	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1663		2256
1664	return unless $self->dirty;	2257	return unless $self->dirty;
1665		2258
…		…
1671	return if $self->{deny_save};	2264	return if $self->{deny_save};
1672		2265
1673	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1674		2267
1675	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1677	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1678		2274
1679	if ($uniq) {	2275	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2278	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2280	}
1685	}	2281	}
1686		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1687	sub swap_out {	2291	sub swap_out {
1688	my ($self) = @_;	2292	my ($self) = @_;
1689		2293
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1695	return if $self->players;	2298	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1699	$self->clear;	2309	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2310	}
1702		2311
1703	sub reset_at {	2312	sub reset_at {
1704	my ($self) = @_;	2313	my ($self) = @_;
1705		2314
1706	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1709		2317
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2320
…		…
1723	my ($self) = @_;	2331	my ($self) = @_;
1724		2332
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2334
1727	return if $self->players;	2335	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2336
1730	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1731		2338
1732	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1733		2340
1734	# need to save uniques path	2341	# need to save uniques path
1735	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2346	if $uniq;
1740	}	2347	}
1741		2348
1742	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1743		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2353	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2354
1748	$self->unlink_save;	2355	$self->unlink_save;
1749	$self->destroy;	2356	$self->destroy;
1750	}	2357	}
1751		2358
1752	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1753		2360
1754	sub nuke {	2361	sub nuke {
1755	my ($self) = @_;	2362	my ($self) = @_;
1756		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1757	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1758		2368
1759	$self->unlink_save;	2369	$self->unlink_save;
1760		2370
1761	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2376
1767	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1768		2379
1769	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1770	}	2417	}
1771		2418
1772	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1773		2420
1774	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2422	instantiated unique items. May block.
1776		2423
1777	=cut	2424	=cut
1778		2425
1779	sub unique_maps() {	2426	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2427	[
1781	or return;	2428	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2429	utf8::decode $_;
1787	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2432	? ()
1790	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2435	]
1792
1793	\@paths
1794	}	2436	}
1795		2437
1796	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1797		2469
1798	=back	2470	=back
1799		2471
1800	=head3 cf::object	2472	=head3 cf::object
1801		2473
…		…
1805		2477
1806	=over 4	2478	=over 4
1807		2479
1808	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1809		2481
1810	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1811		2484
1812	=cut	2485	=cut
1813		2486
1814	sub inv_recursive_;	2487	sub inv_recursive_;
1815	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1818		2491
1819	sub inv_recursive {	2492	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1821	}	2494	}
1822		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1823	package cf;	2524	package cf;
1824		2525
1825	=back	2526	=back
1826		2527
1827	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1836		2537
1837	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1838		2553
1839	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2555	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1844		2559
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2561
1847	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1849	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1852	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1853	}	2587	}
1854		2588
1855	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1856		2590
1857	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1870		2604
1871	=item $player_object->enter_link	2605	=item $player_object->enter_link
1872		2606
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2608
1875	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1877		2613
1878	Will never block.	2614	Will never block.
1879		2615
1880	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1881		2617
…		…
1901	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2638	my ($self) = @_;
1903		2639
1904	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1905		2641
		2642	++$self->{_link_recursion};
		2643
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2645
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1910		2648
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2650	}
1913		2651
1914	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1916		2656
1917	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1918		2658
1919	unless ($map) {	2659	unless ($map) {
1920	# restore original map position	2660	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1933		2673
1934	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1937		2677
1938	$map->load;	2678	$map->load;
1939	$map->load_diag;	2679	$map->load_neighbours;
1940		2680
1941	return unless $self->contr->active;	2681	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2682
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1946	}	2685	# entering was successful
1947		2686	delete $self->{_link_recursion};
1948	cf::player->attach (	2687	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2688	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2689	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2690
1962	# try to abort aborted map switching on player login :)	2691	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2692
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2694
1982	Moves the player to the given map-path and coordinates by first freezing	2695	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2696	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2697	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
1986		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1987	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1988		2707
1989	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2719
1992	$self->enter_link;	2720	$self->enter_link;
1993		2721
1994	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1995	my $map = eval {	2744	my $map = eval {
1996	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
1997		2746
1998	if ($map) {	2747	if ($map) {
1999	$map = $map->customise_for ($self);	2748	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2749	$map = $check->($map, $x, $y, $self) if $check && $map;
2001	} else {	2750	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2752	}
2004		2753
2005	$map	2754	$map
2006	};	2755	};
2007		2756
2008	if ($@) {	2757	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2759	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2760	}
2012		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
2014	})->prio (1);	2768	})->prio (1);
2015	}	2769	}
2016		2770
2017	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
2018		2772
…		…
2038	}	2792	}
2039		2793
2040	sub prepare_random_map {	2794	sub prepare_random_map {
2041	my ($exit) = @_;	2795	my ($exit) = @_;
2042		2796
2043	my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
2046	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
2047	# that depends on the exit object	2799	# that depends on the exit object
2048		2800
2049	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
2051	if ($exit->map) {	2803	if ($exit->map) {
2052	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
2053	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
2054	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
2055	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
2056	}	2810	}
2057		2811
2058	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
2059		2813
2060	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
2062	my $meta = "$RANDOMDIR/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
2063		2817
2064	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
2066	undef $fh;	2820	undef $fh;
2067	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
2068		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
2069	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
2070	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
2071	}	2829	}
2072	}	2830	}
2073		2831
2074	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2075	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2076		2834
2077	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2078		2836
2079	if ($exit->slaying eq "/!") {
2080	#TODO: this should de-fi-ni-te-ly not be a sync-job
2081	# the problem is that $exit might not survive long enough
2082	# so it needs to be done right now, right here
2083	cf::sync_job { prepare_random_map $exit };
2084	}
2085
2086	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;
2089
2090	$self->enter_link;	2837	$self->enter_link;
2091		2838
2092	(async {	2839	(async {
2093	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2094	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
2095	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2096		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
2097	1;	2863	1
2098	}) {	2864	}) {
2099	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2100	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
2101	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2102	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2103		2869
2104	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2105	$self->leave_link;	2871	$self->leave_link;
2106	}	2872	}
2107	})->prio (1);	2873	})->prio (1);
2108	}	2874	}
2109		2875
…		…
2123		2889
2124	utf8::encode $text;	2890	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2892	}
2127		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
2128	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2129		3082
2130	Sends an exti event to the client.	3083	Sends an ext event to the client.
2131		3084
2132	=cut	3085	=cut
2133		3086
2134	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2136		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
2139	}	3114	}
2140		3115
2141	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2142		3117
2143	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		3121
2147	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	3123	become reliable at some point in the future.
2149		3124
2150	=cut	3125	=cut
2151		3126
2152	sub cf::client::query {	3127	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	3136	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		3138
2164	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2166	}	3143	}
2167		3144
2168	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2169	on_reply => sub {	3151	on_reply => sub {
2170	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2171		3153
2172	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2173	# get handled first	3155	# get handled first
…		…
2185	} else {	3167	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	3169	}
2188	}	3170	}
2189	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2190	);	3198	);
2191		3199
2192	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2193		3201
2194	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2210		3218
2211	$coro	3219	$coro
2212	}	3220	}
2213		3221
2214	cf::client->attach (	3222	cf::client->attach (
2215	on_destroy => sub {	3223	on_client_destroy => sub {
2216	my ($ns) = @_;	3224	my ($ns) = @_;
2217		3225
2218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2219	},	3227	},
2220	);	3228	);
…		…
2235	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2237		3245
2238	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2239		3247
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2241		3253
2242	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2243		3255
2244	=pod	3256	=pod
2245		3257
2246	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2247		3259
2248	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2249	cf::object::player player	3265	cf::object::player
2250	cf::player peaceful	3266	player
2251	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2252		3273
2253	=cut	3274	=cut
2254		3275
2255	for (	3276	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2257	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2259	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2260	) {	3283	) {
2261	no strict 'refs';
2262	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2263	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2264	for @funs;	3286	for @funs;
2265	}	3287	}
2266		3288
…		…
2281		3303
2282	my $qcode = $code;	3304	my $qcode = $code;
2283	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2284	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2285		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2286	local $_;	3311	local $_;
2287	local @safe::cf::_safe_eval_args = values %vars;
2288		3312
2289	my $eval =	3313	my $eval =
2290	"do {\n"	3314	"do {\n"
2291	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2292	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2293	. $code	3317	. $code
2294	. "\n}"	3318	. "\n}"
2295	;	3319	;
2296		3320
		3321	if ($CFG{safe_eval}) {
2297	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2298	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2299	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2300		3330
2301	if ($@) {	3331	if ($@) {
2302	warn "$@";	3332	warn "$@",
2303	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2304	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2305	}	3335	}
2306		3336
2307	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2308	}	3338	}
2309		3339
…		…
2323	=cut	3353	=cut
2324		3354
2325	sub register_script_function {	3355	sub register_script_function {
2326	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2327		3357
2328	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2329	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2330	}	3360	}
2331		3361
2332	=back	3362	=back
2333		3363
2334	=cut	3364	=cut
2335
2336	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509		3365
2510	#############################################################################	3366	#############################################################################
2511	# the server's init and main functions	3367	# the server's init and main functions
2512		3368
2513	sub load_facedata($) {	3369	sub load_facedata($) {
2514	my ($path) = @_;	3370	my ($path) = @_;
2515		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2516	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2517		3379
2518	my $facedata;
2519	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2520	or die "$path: $!";	3381	or die "$path: $!";
2521		3382
2522	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2523		3384
2524	$facedata->{version} == 2	3385	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
2527	{	3397	{
2528	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2529		3399
2530	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2535	Coro::cede;	3407
		3408	cf::cede_to_tick;
2536	}	3409	}
2537		3410
2538	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2540	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2541	or next;	3415	or next;
		3416
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3420	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3422	}
2547	Coro::cede;	3423
		3424	cf::cede_to_tick;
2548	}	3425	}
2549	}	3426	}
2550		3427
2551	{	3428	{
2552	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2553		3430
2554	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3433	cf::cede_to_tick;
2557	}	3434	}
2558		3435
2559	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2560	}	3437	}
2561		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
2562	1	3458	1
2563	}	3459	}
2564		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
2565	sub reload_regions {	3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
2566	load_resource_file "$MAPDIR/regions"	3484	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
2568	}	3491	}
2569		3492
2570	sub reload_facedata {	3493	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3494	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3495	or die "unable to load facedata\n";
…		…
2580	sub reload_treasures {	3503	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3504	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3505	or die "unable to load treasurelists\n";
2583	}	3506	}
2584		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2585	sub reload_resources {	3531	sub reload_resources {
2586	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2587		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
2588	reload_regions;	3539	reload_regions;
2589	reload_facedata;
2590	reload_archetypes;
2591	reload_treasures;	3540	reload_treasures;
2592		3541
2593	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2594	}	3543	}
2595		3544
2596	sub init {	3545	sub reload_config {
2597	reload_resources;	3546	trace "reloading config file...\n";
2598	}
2599		3547
2600	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3549	or die "$CONFDIR/config: $!";
2602	or return;
2603		3550
2604	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2605	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2606		3555
2607	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2608		3557
2609	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2611		3560
2612	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2616	};	3565	};
2617	warn $@ if $@;	3566	warn $@ if $@;
2618	}	3567	}
2619	}	3568	}
2620		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2621	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2622	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3611	(async {
2626	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2627	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2628	};	3615	};
2629		3616
2630	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2631	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2632	load_extensions;	3640	load_extensions;
2633		3641
2634	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2635	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2636	}	3660	}
2637		3661
2638	#############################################################################	3662	#############################################################################
2639	# initialisation and cleanup	3663	# initialisation and cleanup
2640		3664
2641	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2642	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2643	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2644	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2645	reentrant => 0,
2646	data => WF_AUTOCANCEL,
2647	signal => $signal,
2648	prio => 0,
2649	cb => sub {
2650	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2651	},
2652	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2653	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2654	}	3761	}
2655		3762
2656	sub emergency_save() {	3763	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2658		3765
2659	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2660		3772
2661	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2662	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2663	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2664	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2666	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3784	$pl->save;
2670	}	3785	}
2671	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2672		3787
2673	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2674	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2675	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2676	$map->valid or next;	3793	$map->valid or next;
2677	$map->save;	3794	$map->save;
2678	}	3795	}
2679	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2680		3797
2681	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2682	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2683	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2684	};	3826	};
2685		3827
2686	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2687	}	3829	}
2688		3830
2689	sub post_cleanup {	3831	sub post_cleanup {
2690	my ($make_core) = @_;	3832	my ($make_core) = @_;
2691		3833
		3834	IO::AIO::flush;
		3835
2692	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2693	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2694	}	3866	}
2695		3867
2696	sub do_reload_perl() {	3868	sub do_reload_perl() {
2697	# can/must only be called in main	3869	# can/must only be called in main
2698	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2699	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2700	return;	3872	return;
2701	}	3873	}
2702		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2703	warn "reloading...";	3881	info "reloading...";
2704		3882
2705	warn "entering sync_job";	3883	trace "entering sync_job";
2706		3884
2707	cf::sync_job {	3885	cf::sync_job {
2708	cf::write_runtime; # external watchdog should not bark
2709	cf::emergency_save;	3886	#cf::emergency_save;
2710	cf::write_runtime; # external watchdog should not bark
2711		3887
2712	warn "syncing database to disk";
2713	BDB::db_env_txn_checkpoint $DB_ENV;
2714
2715	# if anything goes wrong in here, we should simply crash as we already saved
2716
2717	warn "cancelling all WF_AUTOCANCEL watchers";
2718	for (Event::all_watchers) {
2719	$_->cancel if $_->data & WF_AUTOCANCEL;
2720	}
2721
2722	warn "flushing outstanding aio requests";
2723	for (;;) {
2724	BDB::flush;
2725	IO::AIO::flush;
2726	Coro::cede;
2727	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";
2729	}
2730
2731	++$RELOAD;
2732
2733	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2734	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2735	%EXT_CORO = ();	3890	%EXT_CORO = ();
2736		3891
2737	warn "removing commands";	3892	trace "removing commands";
2738	%COMMAND = ();	3893	%COMMAND = ();
2739		3894
2740	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2741	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2742		3898
2743	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2746		3902
2747	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2748	eval {	3904	eval {
2749	$cb->($pkg);	3905	$cb->($pkg);
2750	1	3906	1
2751	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2752	}	3912	}
2753		3913
2754	warn "... nuking $pkg";
2755	Symbol::delete_package $pkg;
2756	}
2757
2758	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2759	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2760	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761		3917
2762	warn "... unloading $k";	3918	trace "... unloading $k";
2763	delete $INC{$k};	3919	delete $INC{$k};
2764		3920
2765	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2766	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2767		3923
2768	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2769	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2770	}	3929	}
2771		3930
2772	Symbol::delete_package $k;
2773	}
2774
2775	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2776	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2777	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778		3934
2779	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2780	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2781	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2782		3938
2783	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2784	# and global variables created in xs	3940	# and global variables created in xs
2785	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2786		3942
2787	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2788		3944
2789	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2790	require cf;	3946	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2792		3948
2793	warn "loading config and database again";	3949	trace "loading config and database again";
2794	cf::cfg_load;	3950	cf::reload_config;
2795		3951
2796	warn "loading extensions";	3952	trace "loading extensions";
2797	cf::load_extensions;	3953	cf::load_extensions;
2798		3954
		3955	if ($REATTACH_ON_RELOAD) {
2799	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2800	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2801	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2802	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2803	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2804	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2805		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2806	warn "leaving sync_job";	3967	trace "leaving sync_job";
2807		3968
2808	1	3969	1
2809	} or do {	3970	} or do {
2810	warn $@;	3971	error $@;
2811	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2812	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2813	};	3977	}
2814		3978
2815	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2816	};	3981	};
2817		3982
2818	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2819		3984
2820	sub reload_perl() {	3985	sub reload_perl() {
2821	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2822	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2823		3988
2824	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2825	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2826	after => 0,	3991
2827	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2828	cb => sub {
2829	do_reload_perl;	3993	do_reload_perl;
2830	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2831	},	3995	};
2832	);	3996	};
2833	}	3997	}
2834		3998
2835	register_command "reload" => sub {	3999	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2837		4001
2838	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	4006	reload_perl;
		4007	};
2841	}	4008	}
2842	};	4009	};
2843		4010
2844	unshift @INC, $LIBDIR;	4011	#############################################################################
2845		4012
2846	my $bug_warning = 0;	4013	my $bug_warning = 0;
2847		4014
2848	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2849	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2850		4017
2851	sub wait_for_tick {	4018	sub wait_for_tick() {
2852	return unless $TICK_WATCHER->is_active;
2853	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2854		4020
2855	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2856	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2857	$signal->wait;	4023	$signal->wait;
2858	}	4024	}
2859		4025
2860	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2861	return unless $TICK_WATCHER->is_active;
2862	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2863		4028
2864	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	4031	$signal->wait;
2867	}	4032	}
2868		4033
2869	my $min = 1e6;#d#	4034	sub tick {
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,
2873	parked => 1,
2874	prio => 0,
2875	at => $NEXT_TICK || $TICK,
2876	data => WF_AUTOCANCEL,
2877	cb => sub {
2878	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2881	return;	4038	return;
2882	}	4039	}
2883		4040
2884	$NOW = $tick_start = Event::time;
2885
2886	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2887		4042
2888	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2889	for(1..10) {
2890	my $t = Event::time;
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2892	or die;
2893		4044
2894	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2895	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2896	$map->alloc;	4047	Coro::async_pool {
2897	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2898	my $t = Event::time - $t;	4049	write_runtime_sync
2899		4050	or error "ERROR: unable to write runtime file: $!";
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};	4051	};
		4052	}
2910		4053
2911	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;
2913
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {
2917	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";
2919	};
2920	}
2921
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	4055	$sig->send;
2927	}	4056	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	4058	$sig->send;
2930	}	4059	}
2931		4060
2932	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934	# if we are delayed by four ticks or more, skip them all
2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937	$TICK_WATCHER->at ($NEXT_TICK);
2938	$TICK_WATCHER->start;
2939
2940	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		4063
2943	_post_tick;	4064	if (0) {
2944		4065	if ($NEXT_TICK) {
2945		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
2946	},	4070	}
2947	);	4071	}
2948		4072
2949	{	4073	{
2950	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2951	$BDB_POLL_WATCHER = Event->io (	4075
2952	reentrant => 0,
2953	fd => BDB::poll_fileno,
2954	poll => 'r',
2955	prio => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,
2958	);
2959	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2960		4077	BDB::max_poll_reqs $TICK * 0.1;
2961	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2962	my $status;
2963	my $current = $Coro::current;
2964	(
2965	sub {
2966	$status = $!;
2967	$current->ready; undef $current;
2968	},
2969	sub {
2970	Coro::schedule while defined $current;
2971	$! = $status;
2972	},
2973	)
2974	};
2975		4079
2976	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		4087
2979	cf::sync_job {	4088	cf::sync_job {
2980	eval {	4089	eval {
2981	BDB::db_env_open	4090	BDB::db_env_open
2982	$DB_ENV,	4091	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	4095	0666;
2987		4096
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	4098	};
2993		4099
2994	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	4101	};
2996	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2997	}	4113	}
2998		4114
2999	{	4115	{
		4116	# configure IO::AIO
		4117
3000	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
3001
3002	undef $Coro::AIO::WATCHER;
3003	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
3004	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
3005	reentrant => 0,
3006	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,
3008	poll => 'r',
3009	prio => 6,
3010	cb => \&IO::AIO::poll_cb,
3011	);
3012	}	4121	}
3013		4122
3014	my $_log_backtrace;	4123	my $_log_backtrace;
3015		4124
3016	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3019	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3020		4129
3021	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3024	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3025	my @bt = fork_call {	4137	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3037	}	4149	}
3038		4150
3039	@funcs	4151	@funcs
3040	};	4152	};
3041		4153
3042	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3044	--$_log_backtrace;	4157	--$_log_backtrace;
3045	};	4158	};
3046	} else {	4159	} else {
3047	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3048	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3049	}	4162	}
3050	}	4163	}
3051		4164
3052	# load additional modules	4165	# load additional modules
3053	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3054		4168
3055	END { cf::emergency_save }	4169	END { cf::emergency_save }
3056		4170
3057	1	4171	1
3058		4172

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