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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 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';
…		…
197	for my $pkg (qw(	303	for my $pkg (qw(
198	cf::global cf::attachable	304	cf::global cf::attachable
199	cf::object cf::object::player	305	cf::object cf::object::player
200	cf::client cf::player	306	cf::client cf::player
201	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
202	cf::map cf::party cf::region	309	cf::party cf::region
203	)) {	310	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	312	}
207		313
208	$Event::DIED = sub {	314	$EV::DIED = sub {
209	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
210	};	316	};
		317
		318	#############################################################################
211		319
212	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
213		321
214	=over 4	322	=over 4
215		323
…		…
234	$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;
235	$d	343	$d
236	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
237	}	345	}
238		346
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
242		348
243	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
244		350
245	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
246		352
247	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
248		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 $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
249	=item cf::lock_wait $string	405	=item cf::lock_wait $string
250		406
251	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
252		408
253	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
254		410
255	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
258	returned.	414	returned.
259		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
260	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
262		421
263	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
264		423
265	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
266		425
267	=cut	426	=cut
268		427
269	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
270		429
271	sub lock_wait($) {	430	sub lock_wait($) {
272	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	432	}
280		433
281	sub lock_acquire($) {	434	sub lock_acquire($) {
282	my ($key) = @_;	435	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	436	}
294		437
295	sub lock_active($) {	438	sub lock_active($) {
296	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	440	}
300		441
301	sub freeze_mainloop {	442	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
303		444
304	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
306	};	512	}
307	$TICK_WATCHER->stop;	513	};
308	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
309	}	528	}
310		529
311	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
312		531
313	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		537
319	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
320		539
321	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
322		541
323	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
326		546
327	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
330	fast or be very important.	550	fast or be very important.
…		…
332	=cut	552	=cut
333		553
334	sub sync_job(&) {	554	sub sync_job(&) {
335	my ($job) = @_;	555	my ($job) = @_;
336		556
337	if ($Coro::current == $Coro::main) {	557	if (in_main) {
338	my $time = Event::time;	558	my $time = AE::time;
339		559
340	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
342		562
343	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	564
345	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
346		566
347	my $busy = 1;	567	my $busy = 1;
348	my @res;	568	my @res;
349		569
350	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	572	@res = eval { $job->() };
352	warn $@ if $@;	573	error $@ if $@;
353	undef $busy;	574	undef $busy;
354	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
355		576
356	while ($busy) {	577	while ($busy) {
357	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
358	}	582	}
		583	}
359		584
360	$time = Event::time - $time;	585	my $time = AE::time - $time;
361		586
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
366		588
367	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
368	} else {	590	} else {
369	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
370		592
…		…
390	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
391		613
392	$coro	614	$coro
393	}	615	}
394		616
395	sub write_runtime {	617	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		618
398	# first touch the runtime file to show we are still running:	619	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
400		623
401	IO::AIO::aio_utime $runtime, undef, undef;	624	=cut
402		625
403	my $guard = cf::lock_acquire "write_runtime";	626	sub post_fork {
		627	reset_signals;
		628	}
404		629
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	630	sub fork_call(&@) {
406	or return;	631	my ($cb, @args) = @_;
407		632
408	my $value = $cf::RUNTIME + 90 + 10;	633	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	634	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	635	# TODO: investigate and fix (likely this will be rather laborious)
411		636
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	637	my @res = Coro::Util::fork_eval {
413	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
414		641
415	# always fsync - this file is important	642	wantarray ? @res : $res[-1]
416	aio_fsync $fh	643	}
417	and return;
418		644
419	# touch it again to show we are up-to-date	645	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
431	}	810	}
432		811
433	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
434		813
435	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
436		815
437	=cut	816	=cut
438		817
439	sub datalog($@) {	818	sub datalog($@) {
440	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	821	}
443		822
444	=back	823	=back
445		824
446	=cut	825	=cut
447		826
448	#############################################################################	827	#############################################################################
449		828
450	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
451		830
452	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
455		834
456	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	837	Deliantra).
459		838
460	=over 4	839	=over 4
461		840
462	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
463		842
…		…
507	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
508		887
509	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
511		890
512	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
514		893
515	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
516		895
517	=over 4	896	=over 4
…		…
641		1020
642	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1023
645	} elsif (ref $type) {	1024	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
647		1026
648	} else {	1027	} else {
649	shift @arg;	1028	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
651	}	1030	}
652	}	1031	}
653	}	1032	}
654		1033
655	sub _object_attach {	1034	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
666	}	1045	}
667		1046
668	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
669	} else {	1048	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1050	}
672		1051
673	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
674	}	1053	}
675		1054
…		…
715	";	1094	";
716	die if $@;	1095	die if $@;
717	}	1096	}
718		1097
719	our $override;	1098	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1100
722	sub override {	1101	sub override {
723	$override = 1;	1102	$override = 1;
724	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
725	}	1104	}
726		1105
727	sub do_invoke {	1106	sub do_invoke {
728	my $event = shift;	1107	my $event = shift;
729	my $callbacks = shift;	1108	my $callbacks = shift;
730		1109
731	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
732		1111
733	local $override;	1112	local $override;
734		1113
735	for (@$callbacks) {	1114	for (@$callbacks) {
736	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
737		1116
738	if ($@) {	1117	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1119	override;
742	}	1120	}
743		1121
744	return 1 if $override;	1122	return 1 if $override;
745	}	1123	}
746		1124
747	0	1125	0
748	}	1126	}
749		1127
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1129
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1131
754	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
755		1133
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1137
760	=back	1138	=back
761		1139
762	=cut	1140	=cut
763		1141
764	#############################################################################	1142	#############################################################################
765	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
766		1186
767	sub reattach {	1187	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1189	my ($obj) = @_;
770		1190
		1191	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1193
773	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
774		1195
775	@$registry = ();	1196	@$registry = ();
776		1197
…		…
781	for (@$attach) {	1202	for (@$attach) {
782	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
784	}	1205	}
785	} else {	1206	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1208	}
788	}	1209	}
789	}	1210	}
790		1211
791	cf::attachable->attach (	1212	cf::attachable->attach (
792	prio => -1000000,	1213	prio => -1000000,
793	on_instantiate => sub {	1214	on_instantiate => sub {
794	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
795		1216
796	$data = from_json $data;	1217	$data = decode_json $data;
797		1218
798	for (@$data) {	1219	for (@$data) {
799	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
800		1221
801	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1238	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
819		1240
820	sync_job {	1241	sync_job {
821	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
824		1247
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
829	close $fh;	1255	aio_close $fh;
830		1256
831	if (@$objs) {	1257	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
837	close $fh;	1266	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
839	}	1268	}
840	} else {	1269	} else {
841	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
842	}	1271	}
843		1272
844	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1277	} else {
846	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
847	}	1279	}
848	} else {	1280	} else {
849	aio_unlink $filename;	1281	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
851	}	1283	}
852	}	1284	};
853	}	1285	}
854		1286
855	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
857		1289
…		…
869	or return;	1301	or return;
870		1302
871	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
873	or return;	1305	or return;
		1306
874	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
875	}	1309	}
876		1310
		1311	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
879	return ($data, $av);	1316	($data, $av)
880	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
881		1324
882	#############################################################################	1325	#############################################################################
883	# command handling &c	1326	# command handling &c
884		1327
885	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1342	}
900		1343
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1345
903	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
904		1351
905	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
906	called.	1353	called.
907		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
908	=cut	1366	=cut
909		1367
910	sub register_extcmd {	1368	sub register_extcmd {
911	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
912		1370
913	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
914	}	1372	}
915		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
916	cf::player->attach (	1382	cf::player->attach (
917	on_command => sub {	1383	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
919		1385
920	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
921	or return;	1387	or return;
922		1388
…		…
927	cf::override;	1393	cf::override;
928	},	1394	},
929	on_extcmd => sub {	1395	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
931		1397
932	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1399
934	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
940	} else {	1415	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1417	}
943		1418
944	cf::override;	1419	cf::override;
945	},	1420	},
946	);	1421	);
947		1422
		1423	# "readahead" all extensions
948	sub load_extension {	1424	sub cache_extensions {
949	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
950		1426
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1430	}
976	die $@;
977	}	1431	};
978		1432
979	push @EXTS, $pkg;	1433	$grp
980	}	1434	}
981		1435
982	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
983	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1443	next unless -r $path;
985	eval {	1444
986	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
987	1	1508	}
988	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
989	}	1519	};
990	}	1520	}
991		1521
992	#############################################################################	1522	#############################################################################
993		1523
		1524	=back
		1525
994	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
995		1527
996	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
997		1529
998	=cut	1530	=cut
999		1531
1000	package cf::player;	1532	package cf::player;
1001		1533
1002	use Coro::AIO;	1534	use Coro::AIO;
1003		1535
1004	=head3 cf::player	1536	=head3 cf::player
1005		1537
1006	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1007		1553
1008	=item cf::player::find $login	1554	=item cf::player::find $login
1009		1555
1010	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1011		1557
…		…
1030		1576
1031	sub exists($) {	1577	sub exists($) {
1032	my ($login) = @_;	1578	my ($login) = @_;
1033		1579
1034	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1036	}	1582	}
1037		1583
1038	sub find($) {	1584	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1586	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1597
1052	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1055	}	1607	}
1056	}	1608	}
1057	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1058		1623
1059	sub save($) {	1624	sub save($) {
1060	my ($pl) = @_;	1625	my ($pl) = @_;
1061		1626
1062	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1068		1633
1069	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1071		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1072	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1073	Coro::cede;	1643	cf::cede_to_tick;
1074	}	1644	}
1075		1645
1076	sub new($) {	1646	sub new($) {
1077	my ($login) = @_;	1647	my ($login) = @_;
1078		1648
…		…
1084	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1085		1655
1086	$self	1656	$self
1087	}	1657	}
1088		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1089	=item $pl->quit_character	1669	=item $pl->quit_character
1090		1670
1091	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1093		1673
…		…
1097	my ($pl) = @_;	1677	my ($pl) = @_;
1098		1678
1099	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1100		1680
1101	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1683
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1107	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1108		1692
1109	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1146	or return [];	1730	or return [];
1147		1731
1148	my @logins;	1732	my @logins;
1149		1733
1150	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1154		1744
1155	utf8::decode $login;	1745	utf8::decode $login;
1156	push @logins, $login;	1746	push @logins, $login;
1157	}	1747	}
1158		1748
1159	\@logins	1749	\@logins
1160	}	1750	}
1161		1751
1162	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1163		1755
1164	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1165	player. May block.	1757	player. May block.
1166		1758
1167	=cut	1759	=cut
…		…
1185	}	1777	}
1186		1778
1187	\@paths	1779	\@paths
1188	}	1780	}
1189		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1190	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1191		1787
1192	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1193		1789
1194	=cut	1790	=cut
1195		1791
1196	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1198		1794
1199	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1796	}
1203		1797
1204	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1205		1799
1206	Sends an ext event to the client.	1800	Sends an ext event to the client.
1207		1801
1208	=cut	1802	=cut
1209		1803
1210	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1212		1806
1213	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1214	}	1808	}
1215		1809
1216	=head3 cf::region	1810	=head3 cf::region
1217		1811
1218	=over 4	1812	=over 4
…		…
1221		1815
1222	package cf::region;	1816	package cf::region;
1223		1817
1224	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1225		1819
1226	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1227		1821
1228	=cut	1822	=cut
1229		1823
1230	sub find_by_path($) {	1824	sub find_by_path($) {
1231	my ($path) = @_;	1825	my ($path) = @_;
1232		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1233	my ($match, $specificity);	1829	my ($match, $specificity);
1234		1830
1235	for my $region (list) {	1831	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1239	}	1835	}
1240	}	1836	}
1241		1837
…		…
1262	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1264		1860
1265	sub generate_random_map {	1861	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1267	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1867	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1280	)	1870	)
1281	}	1871	}
1282		1872
1283	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1284		1874
…		…
1290		1880
1291	sub register {	1881	sub register {
1292	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1883	my $pkg = caller;
1294		1884
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1886
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1888	}
1300		1889
1301	# also paths starting with '/'	1890	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1892
1304	sub thawer_merge {	1893	sub thawer_merge {
1305	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1306		1895
1307	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
1308	local $self->{path};	1897	local $self->{path};
1309	local $self->{load_path};	1898	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1899
1313	$self->SUPER::thawer_merge ($merge);	1900	$self->SUPER::thawer_merge ($merge);
1314	}	1901	}
1315		1902
1316	sub normalise {	1903	sub normalise {
1317	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1318		1905
1319	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1320		1907
1321	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1322		1909
1323	# map plan:	1910	# map plan:
1324	#	1911	#
…		…
1339	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	1927	$path = "$base/$path";
1341	}	1928	}
1342		1929
1343	for ($path) {	1930	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1347	}	1933	}
1348		1934
1349	$path	1935	$path
…		…
1363	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1364	return $self;	1950	return $self;
1365	}	1951	}
1366	}	1952	}
1367		1953
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	1955	()
1370	}	1956	}
1371		1957
1372	sub init {	1958	sub init {
1373	my ($self) = @_;	1959	my ($self) = @_;
…		…
1395		1981
1396	# the temporary/swap location	1982	# the temporary/swap location
1397	sub save_path {	1983	sub save_path {
1398	my ($self) = @_;	1984	my ($self) = @_;
1399		1985
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1402	}	1988	}
1403		1989
1404	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1405	sub uniq_path {	1991	sub uniq_path {
1406	my ($self) = @_;	1992	my ($self) = @_;
1407		1993
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1410	}	1996	}
1411		1997
1412	# and all this just because we cannot iterate over	1998	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1999	my ($self) = @_;
1416		2000
1417	$_->change_map_light ($change)	2001	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2002
		2003	$self->do_decay_objects;
1419	}	2004	}
1420		2005
1421	sub unlink_save {	2006	sub unlink_save {
1422	my ($self) = @_;	2007	my ($self) = @_;
1423		2008
…		…
1428		2013
1429	sub load_header_from($) {	2014	sub load_header_from($) {
1430	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1431		2016
1432	utf8::encode $path;	2017	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1438		2026
1439	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1440		2028
1441	1	2029	1
1442	}	2030	}
…		…
1481	$self->load_header_orig	2069	$self->load_header_orig
1482	or return;	2070	or return;
1483	$self->prepare_orig;	2071	$self->prepare_orig;
1484	}	2072	}
1485		2073
		2074	$self->{deny_reset} = 1
		2075	if $self->no_reset;
		2076
1486	$self->default_region (cf::region::find_by_path $self->{path})	2077	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2078	unless $self->default_region;
1488		2079
1489	1	2080	1
1490	}	2081	}
1491		2082
1492	sub find;	2083	sub find;
1493	sub find {	2084	sub find {
1494	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1495		2086
		2087	cf::cede_to_tick;
		2088
1496	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1497		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2093
1500	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1503	or return;	2096	or return;
1504		2097
1505	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1506		2099
1507	$map->load_header	2100	$map->load_header
1508	or return;	2101	or return;
1509		2102
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1513	$map->reset;	2108	$map->reset;
1514	undef $guard;
1515	return find $path;	2109	return find $path;
1516	}	2110	}
1517		2111
1518	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1519	}	2113	}
1520	}	2114	}
1521		2115
1522	sub pre_load { }	2116	sub pre_load { }
1523	sub post_load { }	2117	#sub post_load { } # XS
1524		2118
1525	sub load {	2119	sub load {
1526	my ($self) = @_;	2120	my ($self) = @_;
1527		2121
1528	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1529		2123
1530	my $path = $self->{path};	2124	my $path = $self->{path};
1531		2125
1532	{	2126	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1534		2128
		2129	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2131
1537	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1538		2133
1539	$self->alloc;	2134	$self->alloc;
1540		2135
1541	$self->pre_load;	2136	$self->pre_load;
1542	Coro::cede;	2137	cf::cede_to_tick;
1543		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1545	or return;	2142	or return;
1546		2143
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1548	if delete $self->{load_original};	2145	if delete $self->{load_original};
1549		2146
1550	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2148	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2151	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1555	}	2155	}
1556	}	2156	}
1557		2157
1558	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1559	# now do the right thing for maps	2161	# now do the right thing for maps
1560	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2164	unless $self->difficulty;
1563	Coro::cede;	2165	cf::cede_to_tick;
1564		2166
1565	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2168	$self->decay_objects;
1567	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1568	$self->update_buttons;	2170	$self->update_buttons;
1569	Coro::cede;	2171	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2172	$self->activate;
1573	}	2173	}
1574		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2179	}
1577		2180
1578	$self->post_load;	2181	$self->post_load;
1579	}
1580		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2189	sub customise_for {
1582	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1583		2191
1584	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2193	if $self->per_player;
1586		2194
		2195	# return find "?party/" . $ob->name . "/" . $self->{path}
		2196	# if $self->per_party;
		2197
1587	$self	2198	$self
1588	}	2199	}
1589		2200
1590	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2202	sub load_neighbours {
1592	my ($map) = @_;	2203	my ($map) = @_;
1593		2204
1594	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1595		2206
1596	for (0 .. 3) {	2207	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1598	or next;	2209	or next;
1599	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1600	or next;	2211	or next;
1601	$neigh->load;	2212	$neigh->load;
1602		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2218	}
1606		2219
1607	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1609	or next;	2223	or next;
1610	$neigh->load;	2224	$neigh->load;
1611	}	2225	}
1612	}	2226	}
1613		2227
1614	sub find_sync {	2228	sub find_sync {
1615	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1616		2230
1617	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1618	}	2235	}
1619		2236
1620	sub do_load_sync {	2237	sub do_load_sync {
1621	my ($map) = @_;	2238	my ($map) = @_;
1622		2239
1623	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1624	}	2244	}
1625		2245
1626	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1628		2248
1629	sub find_async {	2249	sub find_async {
1630	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1631		2251
1632	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1633		2253
1634	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2256	}
1637		2257
1638	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1639	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1640	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2265	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2266	$map->load if $v;
		2267	}
1645		2268
1646	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1647	}	2270	}
1648	}	2271	}
1649	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1650	};	2273	};
1651	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1652		2275
1653	()	2276	()
1654	}	2277	}
1655		2278
		2279	# common code, used by both ->save and ->swapout
1656	sub save {	2280	sub _save {
1657	my ($self) = @_;	2281	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2282
1661	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1662		2284
1663	return unless $self->dirty;	2285	return unless $self->dirty;
1664		2286
…		…
1670	return if $self->{deny_save};	2292	return if $self->{deny_save};
1671		2293
1672	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1673		2295
1674	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1676	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1677		2302
1678	if ($uniq) {	2303	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2306	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2308	}
1684	}	2309	}
1685		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1686	sub swap_out {	2319	sub swap_out {
1687	my ($self) = @_;	2320	my ($self) = @_;
1688		2321
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1694	return if $self->players;	2326	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1698	$self->clear;	2337	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2338	}
1701		2339
1702	sub reset_at {	2340	sub reset_at {
1703	my ($self) = @_;	2341	my ($self) = @_;
1704		2342
1705	# TODO: safety, remove and allow resettable per-player maps	2343	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2344	return 1e99 if $self->{deny_reset};
1708		2345
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2346	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2347	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2348
…		…
1722	my ($self) = @_;	2359	my ($self) = @_;
1723		2360
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2362
1726	return if $self->players;	2363	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2364
1729	warn "resetting map ", $self->path;#d#	2365	cf::trace "resetting map ", $self->path, "\n";
1730		2366
1731	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
1732		2368
1733	# need to save uniques path	2369	# need to save uniques path
1734	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2374	if $uniq;
1739	}	2375	}
1740		2376
1741	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
1742		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2381	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2382
1747	$self->unlink_save;	2383	$self->unlink_save;
1748	$self->destroy;	2384	$self->destroy;
1749	}	2385	}
1750		2386
1751	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
1752		2388
1753	sub nuke {	2389	sub nuke {
1754	my ($self) = @_;	2390	my ($self) = @_;
1755		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
1756	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
1757		2396
1758	$self->unlink_save;	2397	$self->unlink_save;
1759		2398
1760	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2404
1766	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
1767		2407
1768	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
		2409	}
		2410
		2411	=item $maps = cf::map::tmp_maps
		2412
		2413	Returns an arrayref with all map paths of currently instantiated and saved
		2414	maps. May block.
		2415
		2416	=cut
		2417
		2418	sub tmp_maps() {
		2419	[
		2420	map {
		2421	utf8::decode $_;
		2422	/\.map$/
		2423	? normalise $_
		2424	: ()
		2425	} @{ aio_readdir $TMPDIR or [] }
		2426	]
		2427	}
		2428
		2429	=item $maps = cf::map::random_maps
		2430
		2431	Returns an arrayref with all map paths of currently instantiated and saved
		2432	random maps. May block.
		2433
		2434	=cut
		2435
		2436	sub random_maps() {
		2437	[
		2438	map {
		2439	utf8::decode $_;
		2440	/\.map$/
		2441	? normalise "?random/$_"
		2442	: ()
		2443	} @{ aio_readdir $RANDOMDIR or [] }
		2444	]
1769	}	2445	}
1770		2446
1771	=item cf::map::unique_maps	2447	=item cf::map::unique_maps
1772		2448
1773	Returns an arrayref of paths of all shared maps that have	2449	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2450	instantiated unique items. May block.
1775		2451
1776	=cut	2452	=cut
1777		2453
1778	sub unique_maps() {	2454	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2455	[
1780	or return;	2456	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2457	utf8::decode $_;
1786	next if /\.pst$/;	2458	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2460	? ()
1789	push @paths, cf::map::normalise $_;	2461	: normalise $_
		2462	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2463	]
1791
1792	\@paths
1793	}	2464	}
1794		2465
1795	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
1796		2497
1797	=back	2498	=back
1798		2499
1799	=head3 cf::object	2500	=head3 cf::object
1800		2501
…		…
1804		2505
1805	=over 4	2506	=over 4
1806		2507
1807	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
1808		2509
1809	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
1810		2512
1811	=cut	2513	=cut
1812		2514
1813	sub inv_recursive_;	2515	sub inv_recursive_;
1814	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
1817		2519
1818	sub inv_recursive {	2520	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
1820	}	2522	}
1821		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
1822	package cf;	2552	package cf;
1823		2553
1824	=back	2554	=back
1825		2555
1826	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
1835		2565
1836	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
1837		2581
1838	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2583	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
1843		2587
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2588	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2589
1846	if ($self->{record_replies}) {	2590	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2591	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2592
1848	} else {	2593	} else {
		2594	my $pl = $self->contr;
		2595
		2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2597	my $dialog = $pl->{npc_dialog};
		2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2599
		2600	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2603	}
1851	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
1852	}	2615	}
1853		2616
1854	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
1855		2618
1856	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
1869		2632
1870	=item $player_object->enter_link	2633	=item $player_object->enter_link
1871		2634
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2636
1874	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
1876		2641
1877	Will never block.	2642	Will never block.
1878		2643
1879	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
1880		2645
…		…
1900	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2666	my ($self) = @_;
1902		2667
1903	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
1904		2669
		2670	++$self->{_link_recursion};
		2671
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2673
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
1909		2676
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2678	}
1912		2679
1913	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
1915		2682
…		…
1932	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
1934		2701
1935	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
1938		2705
1939	$map->load;	2706	$map->load;
1940	$map->load_diag;	2707	$map->load_neighbours;
1941		2708
1942	return unless $self->contr->active;	2709	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2710
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
1947	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
1948		2718
		2719	}
		2720
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2722
1951	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2726	the new (success) or old (failed) map position. In either case, $done will
		2727	be called at the end of this process.
		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
1955		2731
1956	=cut	2732	=cut
1957		2733
1958	our $GOTOGEN;	2734	our $GOTOGEN;
1959		2735
1960	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
1962		2744
1963	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2747
1966	$self->enter_link;	2748	$self->enter_link;
1967		2749
1968	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
1969	my $map = eval {	2772	my $map = eval {
1970	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
1971		2774
1972	if ($map) {	2775	if ($map) {
1973	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2778	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2780	}
1978		2781
1979	$map	2782	$map
1980	};	2783	};
1981		2784
…		…
1986		2789
1987	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
1990	}	2793	}
		2794
		2795	$done->($self) if $done;
1991	})->prio (1);	2796	})->prio (1);
1992	}	2797	}
1993		2798
1994	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
1995		2800
…		…
2015	}	2820	}
2016		2821
2017	sub prepare_random_map {	2822	sub prepare_random_map {
2018	my ($exit) = @_;	2823	my ($exit) = @_;
2019		2824
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2827	# that depends on the exit object
2025		2828
2026	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2831	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2033	}	2838	}
2034		2839
2035	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2036		2841
2037	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2040		2845
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2848	undef $fh;
2044	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2045		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2048	}	2857	}
2049	}	2858	}
2050		2859
2051	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2053		2862
2054	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2055		2864
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2865	$self->enter_link;
2068		2866
2069	(async {	2867	(async {
2070	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2071	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2072	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2073		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2074	1;	2891	1
2075	}) {	2892	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2897
2081	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2899	$self->leave_link;
2083	}	2900	}
2084	})->prio (1);	2901	})->prio (1);
2085	}	2902	}
2086		2903
…		…
2100		2917
2101	utf8::encode $text;	2918	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2920	}
2104		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
		2945	}
		2946
		2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2948
		2949	Send a drawinfo or msg packet to the client, formatting the msg for the
		2950	client if neccessary. C<$type> should be a string identifying the type of
		2951	the message, with C<log> being the default. If C<$color> is negative, suppress
		2952	the message unless the client supports the msg packet.
		2953
		2954	=cut
		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
		3070	sub cf::client::send_msg {
		3071	my ($self, $channel, $msg, $color, @extra) = @_;
		3072
		3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
		3075
		3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
		3085	} elsif (ref $channel) {
		3086	# send meta info to client, if not yet sent
		3087	unless (exists $self->{channel}{$channel->{id}}) {
		3088	$self->{channel}{$channel->{id}} = $channel;
		3089	$self->ext_msg (channel_info => $channel);
		3090	}
		3091
		3092	$channel = $channel->{id};
		3093	}
		3094
		3095	return unless @extra || length $msg;
		3096
		3097	# default colour, mask it out
		3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3099	if $color & cf::NDI_DEF;
		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2105	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2106		3110
2107	Sends an exti event to the client.	3111	Sends an ext event to the client.
2108		3112
2109	=cut	3113	=cut
2110		3114
2111	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2113		3117
		3118	if ($self->extcmd == 2) {
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2116	}	3142	}
2117		3143
2118	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2119		3145
2120	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3147	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3148	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3149
2124	Queries can fail, so check the return code. Or don't, as queries will become	3150	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3151	become reliable at some point in the future.
2126		3152
2127	=cut	3153	=cut
2128		3154
2129	sub cf::client::query {	3155	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3156	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3164	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3165	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3166
2141	$self->send_packet ($self->{query_queue}[0][0])	3167	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3168	if @{ $self->{query_queue} } == 1;
		3169
		3170	1
2143	}	3171	}
2144		3172
2145	cf::client->attach (	3173	cf::client->attach (
		3174	on_connect => sub {
		3175	my ($ns) = @_;
		3176
		3177	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3178	},
2146	on_reply => sub {	3179	on_reply => sub {
2147	my ($ns, $msg) = @_;	3180	my ($ns, $msg) = @_;
2148		3181
2149	# this weird shuffling is so that direct followup queries	3182	# this weird shuffling is so that direct followup queries
2150	# get handled first	3183	# get handled first
…		…
2162	} else {	3195	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3196	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3197	}
2165	}	3198	}
2166	},	3199	},
		3200	on_exticmd => sub {
		3201	my ($ns, $buf) = @_;
		3202
		3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3204
		3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
		3213	if (my $cb = $EXTICMD{$type}) {
		3214	@reply = $cb->($ns, @payload);
		3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
		3220	} else {
		3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3222	}
		3223
		3224	cf::override;
		3225	},
2167	);	3226	);
2168		3227
2169	=item $client->async (\&cb)	3228	=item $client->async (\&cb)
2170		3229
2171	Create a new coroutine, running the specified callback. The coroutine will	3230	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3246
2188	$coro	3247	$coro
2189	}	3248	}
2190		3249
2191	cf::client->attach (	3250	cf::client->attach (
2192	on_destroy => sub {	3251	on_client_destroy => sub {
2193	my ($ns) = @_;	3252	my ($ns) = @_;
2194		3253
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3255	},
2197	);	3256	);
…		…
2212	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2214		3273
2215	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2216		3275
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2218		3281
2219	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2220		3283
2221	=pod	3284	=pod
2222		3285
2223	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2224		3287
2225	cf::object contr pay_amount pay_player map	3288	cf::object
		3289	contr pay_amount pay_player map x y force_find force_add destroy
		3290	insert remove name archname title slaying race decrease split
		3291	value
		3292
2226	cf::object::player player	3293	cf::object::player
2227	cf::player peaceful	3294	player
2228	cf::map trigger	3295
		3296	cf::player
		3297	peaceful
		3298
		3299	cf::map
		3300	trigger
2229		3301
2230	=cut	3302	=cut
2231		3303
2232	for (	3304	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2237	) {	3311	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3314	for @funs;
2242	}	3315	}
2243		3316
…		…
2258		3331
2259	my $qcode = $code;	3332	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2262		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2263	local $_;	3339	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3340
2266	my $eval =	3341	my $eval =
2267	"do {\n"	3342	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3345	. $code
2271	. "\n}"	3346	. "\n}"
2272	;	3347	;
2273		3348
		3349	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2277		3358
2278	if ($@) {	3359	if ($@) {
2279	warn "$@";	3360	warn "$@",
2280	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2282	}	3363	}
2283		3364
2284	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2285	}	3366	}
2286		3367
…		…
2300	=cut	3381	=cut
2301		3382
2302	sub register_script_function {	3383	sub register_script_function {
2303	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2304		3385
2305	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2307	}	3388	}
2308		3389
2309	=back	3390	=back
2310		3391
2311	=cut	3392	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3393
2485	#############################################################################	3394	#############################################################################
2486	# the server's init and main functions	3395	# the server's init and main functions
2487		3396
2488	sub load_facedata($) {	3397	sub load_facedata($) {
2489	my ($path) = @_;	3398	my ($path) = @_;
2490		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2491	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2492		3407
2493	my $facedata;
2494	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2495	or die "$path: $!";	3409	or die "$path: $!";
2496		3410
2497	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2498		3412
2499	$facedata->{version} == 2	3413	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2502	{	3425	{
2503	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2504		3427
2505	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3431	cf::face::set_visibility $idx, $info->{visibility};
		3432	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3435
		3436	cf::cede_to_tick;
2511	}	3437	}
2512		3438
2513	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2515	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2516	or next;	3443	or next;
		3444
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
		3446	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3448	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3450	}
2522	Coro::cede;	3451
		3452	cf::cede_to_tick;
2523	}	3453	}
2524	}	3454	}
2525		3455
2526	{	3456	{
2527	my $anims = $facedata->{animinfo};	3457	my $anims = $facedata->{animinfo};
2528		3458
2529	while (my ($anim, $info) = each %$anims) {	3459	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3460	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3461	cf::cede_to_tick;
2532	}	3462	}
2533		3463
2534	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2535	}	3465	}
2536		3466
		3467	{
		3468	my $res = $facedata->{resource};
		3469
		3470	while (my ($name, $info) = each %$res) {
		3471	if (defined $info->{type}) {
		3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3473
		3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3475	cf::face::set_type $idx, $info->{type};
		3476	} else {
		3477	$RESOURCE{$name} = $info; # unused
		3478	}
		3479
		3480	cf::cede_to_tick;
		3481	}
		3482	}
		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2537	1	3486	1
2538	}	3487	}
2539		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2540	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2541	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
		3514
		3515	for (cf::region::list) {
		3516	$_->{match} = qr/$_->{match}/
		3517	if exists $_->{match};
		3518	}
2543	}	3519	}
2544		3520
2545	sub reload_facedata {	3521	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3522	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3523	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3531	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2558	}	3534	}
2559		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2560	sub reload_resources {	3559	sub reload_resources {
2561	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2562		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2563	reload_regions;	3567	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3568	reload_treasures;
2567		3569
2568	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2569	}	3571	}
2570		3572
2571	sub init {	3573	sub reload_config {
2572	reload_resources;	3574	trace "reloading config file...\n";
2573	}
2574		3575
2575	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
2577	or return;
2578		3578
2579	local $/;	3579	utf8::decode $config;
2580	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2581		3581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3583
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3586
2587	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2591	};	3591	};
2592	warn $@ if $@;	3592	warn $@ if $@;
2593	}	3593	}
2594	}	3594	}
2595		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2596	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2597	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3637	(async {
2601	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2603	};	3641	};
2604		3642
2605	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2606	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2607	load_extensions;	3666	load_extensions;
2608		3667
2609	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2611	}	3686	}
2612		3687
2613	#############################################################################	3688	#############################################################################
2614	# initialisation and cleanup	3689	# initialisation and cleanup
2615		3690
2616	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2617	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2626	},
2627	);	3697	};
		3698	}
		3699	}
		3700
		3701	sub write_runtime_sync {
		3702	my $t0 = AE::time;
		3703
		3704	# first touch the runtime file to show we are still running:
		3705	# the fsync below can take a very very long time.
		3706
		3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3708
		3709	my $guard = cf::lock_acquire "write_runtime";
		3710
		3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3712	or return;
		3713
		3714	my $value = $cf::RUNTIME + 90 + 10;
		3715	# 10 is the runtime save interval, for a monotonic clock
		3716	# 60 allows for the watchdog to kill the server.
		3717
		3718	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3719	and return;
		3720
		3721	# always fsync - this file is important
		3722	aio_fsync $fh
		3723	and return;
		3724
		3725	# touch it again to show we are up-to-date
		3726	aio_utime $fh, undef, undef;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3732	and return;
		3733
		3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3735
2628	}	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2629	}	3787	}
2630		3788
2631	sub emergency_save() {	3789	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2633		3791
2634	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2635		3798
2636	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2637	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3810	$pl->save;
2645	}	3811	}
2646	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2647		3813
2648	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3819	$map->valid or next;
2652	$map->save;	3820	$map->save;
2653	}	3821	}
2654	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2655		3823
2656	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3852	};
2660		3853
2661	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2662	}	3855	}
2663		3856
2664	sub post_cleanup {	3857	sub post_cleanup {
2665	my ($make_core) = @_;	3858	my ($make_core) = @_;
2666		3859
		3860	IO::AIO::flush;
		3861
2667	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2669	}	3892	}
2670		3893
2671	sub do_reload_perl() {	3894	sub do_reload_perl() {
2672	# can/must only be called in main	3895	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2674	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2675	return;	3898	return;
2676	}	3899	}
2677		3900
2678	warn "reloading...";	3901	return if $RELOAD++;
2679		3902
2680	warn "entering sync_job";	3903	my $t1 = AE::time;
2681		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
2682	cf::sync_job {	3911	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3912	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3913
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3916	%EXT_CORO = ();
2711		3917
2712	warn "removing commands";	3918	trace "perl_reload: removing commands";
2713	%COMMAND = ();	3919	%COMMAND = ();
2714		3920
2715	warn "removing ext commands";	3921	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	3922	%EXTCMD = ();
		3923	%EXTICMD = ();
2717		3924
2718	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
2721		3928
2722	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
2723	eval {	3930	eval {
2724	$cb->($pkg);	3931	$cb->($pkg);
2725	1	3932	1
2726	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
2727	}	3938	}
2728		3939
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3943
2737	warn "... unloading $k";	3944	trace "... unloading $k";
2738	delete $INC{$k};	3945	delete $INC{$k};
2739		3946
2740	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
2742		3949
2743	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
2745	}	3955	}
2746		3956
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3960
2754	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3964
2758	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3966	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
2761		3968
2762	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
2763		3970
2764	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
2765	require cf;	3972	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
2767		3974
2768	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	3976	cf::reload_config;
2770		3977
2771	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	3979	cf::load_extensions;
2773		3980
		3981	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
2780		3989
2781	warn "leaving sync_job";	3990	cf::_post_init 1;
2782		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
2783	1	3994	1
2784	} or do {	3995	} or do {
2785	warn $@;	3996	error $@;
2786	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	3998	};
		3999
		4000	--$RELOAD;
2788	};	4001	}
2789		4002
2790	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
2791	};	4005	};
2792		4006
2793	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
2794		4008
2795	sub reload_perl() {	4009	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
2798		4012
2799	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4015
2802	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4017	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
2806	},	4019	};
2807	);	4020	};
2808	}	4021	}
2809		4022
2810	register_command "reload" => sub {	4023	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
2812		4025
2813	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4030	reload_perl;
		4031	};
2816	}	4032	}
2817	};	4033	};
2818		4034
2819	unshift @INC, $LIBDIR;	4035	#############################################################################
2820		4036
2821	my $bug_warning = 0;	4037	my $bug_warning = 0;
2822		4038
2823	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
2825		4041
2826	sub wait_for_tick {	4042	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		4044
2830	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	4047	$signal->wait;
2833	}	4048	}
2834		4049
2835	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4052
2839	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4055	$signal->wait;
2842	}	4056	}
2843		4057
2844	my $min = 1e6;#d#	4058	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
2856	return;	4062	return;
2857	}	4063	}
2858		4064
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
2862		4066
2863	0 && sync_job {#d#	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4068
2869	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4071	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4073	write_runtime_sync
2874		4074	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4075	};
		4076	}
2885		4077
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4079	$sig->send;
2902	}	4080	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4082	$sig->send;
2905	}	4083	}
2906		4084
2907	$NOW = Event::time;	4085	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4087
2918	_post_tick;	4088	if (0) {
2919		4089	if ($NEXT_TICK) {
2920		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
2921	},	4094	}
2922	);	4095	}
2923		4096
2924	{	4097	{
2925	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4099
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
2935		4101	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4103
2951	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4111
2954	cf::sync_job {	4112	cf::sync_job {
2955	eval {	4113	eval {
2956	BDB::db_env_open	4114	BDB::db_env_open
2957	$DB_ENV,	4115	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4119	0666;
2962		4120
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4122	};
2968		4123
2969	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4125	};
2971	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
2972	}	4137	}
2973		4138
2974	{	4139	{
		4140	# configure IO::AIO
		4141
2975	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4145	}
2988		4146
2989	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
2990		4149
2991	sub _log_backtrace {	4150	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
2993		4152
2994	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
2995		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
2999	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3000	my @bt = fork_call {	4166	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3012	}	4178	}
3013		4179
3014	@funcs	4180	@funcs
3015	};	4181	};
3016		4182
3017	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4186	--$_log_backtrace;
3020	};	4187	};
3021	} else {	4188	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4191	}
3025	}	4192	}
3026		4193
3027	# load additional modules	4194	# load additional modules
3028	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3029		4197
3030	END { cf::emergency_save }	4198	END { cf::emergency_save }
3031		4199
3032	1	4200	1
3033		4201

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