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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC vs.
Revision 1.507 by root, Sat Mar 20 02:24:38 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.64 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
86		124
87	our %CFG;	125	our %CFG;
88		126
89	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
91		130
92	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
95		134
96	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		137
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
102		147
103	binmode STDOUT;	148	binmode STDOUT;
104	binmode STDERR;	149	binmode STDERR;
105		150
106	# read virtual server time, if available	151	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
111	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
112		159
113	mkdir $_	160	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		162
116	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
117		164
118	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		177
120	#############################################################################	178	#############################################################################
121		179
122	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
123		181
…		…
159		217
160	The raw value load value from the last tick.	218	The raw value load value from the last tick.
161		219
162	=item %cf::CFG	220	=item %cf::CFG
163		221
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	223	from wherever your confdir points to.
166		224
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		226
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		230
173	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
174		232
175	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	235	that call.
178		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
179	=back	243	=back
180		244
181	=cut	245	=cut
182		246
183	BEGIN {	247	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	248	my $msg = join "", @_;
186		249
187	$msg .= "\n"	250	$msg .= "\n"
188	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
189		252
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		254
192	utf8::encode $msg;
193	LOG llevError, $msg;	255	LOG llevError, $msg;
194	};	256	};
195	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
196		271
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	282	for my $pkg (qw(
208	cf::global cf::attachable	283	cf::global cf::attachable
209	cf::object cf::object::player	284	cf::object cf::object::player
210	cf::client cf::player	285	cf::client cf::player
211	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
212	cf::map cf::party cf::region	288	cf::party cf::region
213	)) {	289	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	291	}
217		292
218	$Event::DIED = sub {	293	$EV::DIED = sub {
219	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
220	};	295	};
221		296
222	#############################################################################	297	#############################################################################
223		298
224	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	322	$d
248	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
249	}	324	}
250		325
251	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
252		327
253	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
254		329
255	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
256		331
257	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
258		333
259	=cut	334	=cut
260		335
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		337
263	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
265		354
266	=item cf::lock_wait $string	355	=item cf::lock_wait $string
267		356
268	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
269		358
270	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
271		360
272	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
275	returned.	364	returned.
276		365
277	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	367	deadlocked coro.
…		…
284		373
285	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
286		375
287	=cut	376	=cut
288		377
289	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		379
292	sub lock_wait($) {	380	sub lock_wait($) {
293	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	382	}
306		383
307	sub lock_acquire($) {	384	sub lock_acquire($) {
308	my ($key) = @_;	385	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	386	}
322		387
323	sub lock_active($) {	388	sub lock_active($) {
324	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	390	}
328		391
329	sub freeze_mainloop {	392	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
331		394
332	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	396	}
334	};	397
335	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
336	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
337	}	411	}
338		412
339	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
340		414
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
349		423
350	=cut	424	=cut
351		425
352	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
354		429
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
357	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
358		436
359	while () {	437	while () {
360	next_job:	438	next_job:
		439
361	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
362	if ($avail > 0.01) {	441
363	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
364	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
365	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
366	$job->[2]->send;	446	$job->[2]->send;
367	Coro::cede;	447	Coro::cede;
368	goto next_job;	448	goto next_job;
369	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
370	}	451	}
371	}	452	}
372		453
373	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
374	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
375	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;	457	$signal->wait;
377	} else {	458	} else {
		459	$busy = 0;
378	Coro::schedule;	460	Coro::schedule;
379	}	461	}
380	}	462	}
381	};	463	};
382		464
383	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
384	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
385		469
386	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
387	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
388		473
389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
402		487
403	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
404		489
405	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
406		491
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
408	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410	acceptable.	495	acceptable.
411		496
412	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
413	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
418		503
419	sub sync_job(&) {	504	sub sync_job(&) {
420	my ($job) = @_;	505	my ($job) = @_;
421		506
422	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
423	my $time = Event::time;	508	my $time = EV::time;
424		509
425	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
427		512
428	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	514
430	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
431		516
432	my $busy = 1;	517	my $busy = 1;
433	my @res;	518	my @res;
434		519
435	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	522	@res = eval { $job->() };
437	warn $@ if $@;	523	warn $@ if $@;
438	undef $busy;	524	undef $busy;
439	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
440		526
441	while ($busy) {	527	while ($busy) {
442	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
443	}	532	}
		533	}
444		534
445	$time = Event::time - $time;	535	my $time = EV::time - $time;
446		536
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
451		538
452	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
453	} else {	540	} else {
454	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
455		542
…		…
480	=item fork_call { }, $args	567	=item fork_call { }, $args
481		568
482	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
483	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
484	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
485	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
486		573
487	=cut	574	=cut
488		575
489	sub fork_call(&@) {	576	sub fork_call(&@) {
490	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
…		…
499	}, @args;	586	}, @args;
500		587
501	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
502	}	589	}
503		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
504	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
505		619
506	Returns a single value from the environment database.	620	Returns a single value from the environment database.
507		621
508	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
509		623
510	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
513	=cut	632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
514		650
515	our $DB;	651	our $DB;
516		652
517	sub db_init {	653	sub db_init {
518	unless ($DB) {
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {	654	cf::sync_job {
522	eval {	655	$DB ||= db_table "db";
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}	656	};
532	}	657	}
533		658
534	sub db_get($$) {	659	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
536		661
…		…
634		759
635	#############################################################################	760	#############################################################################
636		761
637	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
638		763
639	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
640	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
641	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
642		767
643	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
644	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
645	Crossfire TRT).	770	Deliantra).
646		771
647	=over 4	772	=over 4
648		773
649	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
650		775
…		…
694	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
695		820
696	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
697	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
698		823
699	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
700	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
701		826
702	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
703		828
704	=over 4	829	=over 4
…		…
932	}	1057	}
933		1058
934	0	1059	0
935	}	1060	}
936		1061
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1063
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1065
941	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
942		1067
…		…
948		1073
949	=cut	1074	=cut
950		1075
951	#############################################################################	1076	#############################################################################
952	# object support	1077	# object support
953	#
954		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
955	sub _can_merge {	1112	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
957		1114
958	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1116
962	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
963	}	1119	}
964		1120
965	sub reattach {	1121	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1123	my ($obj) = @_;
968		1124
		1125	# no longer needed after getting rid of delete_package?
969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
970		1127
971	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
972		1129
973	@$registry = ();	1130	@$registry = ();
974		1131
…		…
989	cf::attachable->attach (	1146	cf::attachable->attach (
990	prio => -1000000,	1147	prio => -1000000,
991	on_instantiate => sub {	1148	on_instantiate => sub {
992	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
993		1150
994	$data = from_json $data;	1151	$data = decode_json $data;
995		1152
996	for (@$data) {	1153	for (@$data) {
997	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
998		1155
999	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1170	);
1014		1171
1015	sub object_freezer_save {	1172	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1017		1174
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1175	sync_job {
1021	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1024		1180
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
1029	close $fh;	1188	aio_close $fh;
1030		1189
1031	if (@$objs) {	1190	if (@$objs) {
1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1036	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
1037	close $fh;	1199	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1201	}
1040	} else {	1202	} else {
1041	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1042	}	1204	}
1043		1205
1044	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1210	} else {
1046	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1047	}	1212	}
1048	} else {	1213	} else {
1049	aio_unlink $filename;	1214	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1051	}	1216	}
1052	};	1217	};
1053
1054	undef $guard;
1055	}	1218	}
1056		1219
1057	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1059		1222
…		…
1064		1227
1065	sub object_thawer_load {	1228	sub object_thawer_load {
1066	my ($filename) = @_;	1229	my ($filename) = @_;
1067		1230
1068	my ($data, $av);	1231	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1232
1072	(aio_load $filename, $data) >= 0	1233	(aio_load $filename, $data) >= 0
1073	or return;	1234	or return;
1074		1235
1075	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1238	or return;
1078		1239
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1081	}	1242	}
1082		1243
		1244	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
1085		1247
1086	($data, $av)	1248	($data, $av)
1087	}	1249	}
1088		1250
1089	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
…		…
1145	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1146		1308
1147	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1148	}	1310	}
1149		1311
		1312	use File::Glob ();
		1313
1150	cf::player->attach (	1314	cf::player->attach (
1151	on_command => sub {	1315	on_command => sub {
1152	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1153		1317
1154	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1186		1350
1187	cf::override;	1351	cf::override;
1188	},	1352	},
1189	);	1353	);
1190		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
		1367
1191	sub load_extensions {	1368	sub load_extensions {
1192	cf::sync_job {	1369	cf::sync_job {
1193	my %todo;	1370	my %todo;
1194		1371
1195	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1214		1391
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1394
1218	$ext{source} =	1395	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1220	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1221	. $source	1398	. $source
1222	. "\n};\n1";	1399	. "\n};\n1";
1223		1400
1224	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1225	}	1402	}
1226		1403
		1404	my $pass = 0;
1227	my %done;	1405	my %done;
1228	while (%todo) {	1406	while (%todo) {
1229	my $progress;	1407	my $progress;
1230		1408
		1409	++$pass;
		1410
		1411	ext:
1231	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1232	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1233	goto skip	1414	next ext
1234	unless exists $done{$_};	1415	unless exists $done{$_};
1235	}	1416	}
1236		1417
1237	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1238		1419
1239	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1240	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1241	: "$v->{base}: extension inactive.\n";
1242		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1243	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1244	warn $msg;	1427	} else {
1245	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1246	exit 1;	1429	push @EXTS, $v->{pkg};
1247	}	1430	$progress = 1;
1248		1431
1249	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1250	}	1434	}
1251
1252	$done{$k} = delete $todo{$k};
1253	push @EXTS, $v->{pkg};
1254	$progress = 1;
1255	}	1435	}
1256		1436
1257	skip:	1437	unless ($progress) {
1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1259	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1260	}	1445	}
1261	};	1446	};
1262	}	1447	}
1263		1448
1264	#############################################################################	1449	#############################################################################
1265		1450
1266	=back	1451	=back
1267		1452
1268	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1269		1454
1270	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1271		1456
1272	=cut	1457	=cut
1273		1458
1274	package cf::player;	1459	package cf::player;
1275		1460
…		…
1318		1503
1319	sub exists($) {	1504	sub exists($) {
1320	my ($login) = @_;	1505	my ($login) = @_;
1321		1506
1322	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1324	}	1509	}
1325		1510
1326	sub find($) {	1511	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1513	my $login = $_[0];
…		…
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1524
1340	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1526	or return;
1342		1527
1343	$f->next;
1344	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1345	or return;	1529	or return;
		1530
1346	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1347	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1348	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1349	}	1534	}
1350	}	1535	}
…		…
1360		1545
1361	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1362		1547
1363	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1364	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
1365		1552
1366	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1367	cf::cede_to_tick;	1554	cf::cede_to_tick;
1368	}	1555	}
1369		1556
…		…
1401	my ($pl) = @_;	1588	my ($pl) = @_;
1402		1589
1403	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1404		1591
1405	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1406	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1407		1594
1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1409	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1410	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1411	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1412		1601
1413	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1414	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1453		1642
1454	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
1455	my $path = path $login;	1644	my $path = path $login;
1456		1645
1457	# a .pst is a dead give-away for a valid player	1646	# a .pst is a dead give-away for a valid player
1458	unless (-e "$path.pst") {	1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1460	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1461	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
1462	}	1652	}
1463		1653
…		…
1494	}	1684	}
1495		1685
1496	\@paths	1686	\@paths
1497	}	1687	}
1498		1688
1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1500		1690
1501	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1502
1503	=cut
1504
1505	sub expand_cfpod {
1506	((my $self), (local $_)) = @_;
1507
1508	# escape & and <
1509	s/&/&amp;/g;
1510	s/(?<![BIUGHT])</&lt;/g;
1511
1512	# this is buggy, it needs to properly take care of nested <'s
1513
1514	1 while
1515	# replace B<>, I<>, U<> etc.
1516	s/B<([^\>]*)>/<b>$1<\/b>/
1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1520	# replace G<male|female> tags
1521	|| s{G<([^>|]*)\|([^>]*)>}{
1522	$self->gender ? $2 : $1
1523	}ge
1524	# replace H<hint text>
1525	|| s{H<([^\>]*)>}
1526	{
1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1529	"")
1530	[$self->{hintmode}]
1531	}ge;
1532
1533	# create single paragraphs (very hackish)
1534	s/(?<=\S)\n(?=\w)/ /g;
1535
1536	# compress some whitespace
1537	s/\s+\n/\n/g; # ws line-ends
1538	s/\n\n+/\n/g; # double lines
1539	s/^\n+//; # beginning lines
1540	s/\n+$//; # ending lines
1541
1542	$_
1543	}
1544
1545	sub hintmode {
1546	$_[0]{hintmode} = $_[1] if @_ > 1;
1547	$_[0]{hintmode}
1548	}
1549		1692
1550	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1551		1694
1552	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1553		1696
…		…
1620	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1621	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1622		1765
1623	sub generate_random_map {	1766	sub generate_random_map {
1624	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1625	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1626	$self->_create_random_map (	1772	$self->_create_random_map (
1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1751		1897
1752	# the temporary/swap location	1898	# the temporary/swap location
1753	sub save_path {	1899	sub save_path {
1754	my ($self) = @_;	1900	my ($self) = @_;
1755		1901
1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1757	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1758	}	1904	}
1759		1905
1760	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1761	sub uniq_path {	1907	sub uniq_path {
1762	my ($self) = @_;	1908	my ($self) = @_;
1763		1909
1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1765	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1766	}
1767
1768	# and all this just because we cannot iterate over
1769	# all maps in C++...
1770	sub change_all_map_light {
1771	my ($change) = @_;
1772
1773	$_->change_map_light ($change)
1774	for grep $_->outdoor, values %cf::MAP;
1775	}	1912	}
1776		1913
1777	sub decay_objects {	1914	sub decay_objects {
1778	my ($self) = @_;	1915	my ($self) = @_;
1779		1916
…		…
1863	sub find {	2000	sub find {
1864	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1865		2002
1866	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1867		2004
1868	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1869	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1870		2007
1871	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1872	my $guard1 = cf::lock_acquire "map_find:$path";
1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1874
1875	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1876	or return;	2010	or return;
1877		2011
1878	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1879		2013
…		…
1881	or return;	2015	or return;
1882		2016
1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1884	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1885	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
1886	undef $guard1;	2021	undef $guard1;
1887	undef $guard2;
1888	$map->reset;	2022	$map->reset;
1889	return find $path;	2023	return find $path;
1890	}	2024	}
1891		2025
1892	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1893	}	2027	}
1894	}	2028	}
1895		2029
1896	sub pre_load { }	2030	sub pre_load { }
1897	sub post_load { }	2031	#sub post_load { } # XS
1898		2032
1899	sub load {	2033	sub load {
1900	my ($self) = @_;	2034	my ($self) = @_;
1901		2035
1902	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919	my $f = new_from_file cf::object::thawer $self->{load_path};	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
1920	$f->skip_block;	2054	$f->skip_block;
1921	$self->_load_objects ($f)	2055	$self->_load_objects ($f)
1922	or return;	2056	or return;
1923		2057
1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1925	if delete $self->{load_original};	2059	if delete $self->{load_original};
1926		2060
1927	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1928	utf8::encode $uniq;	2062	utf8::encode $uniq;
1929	unless (aio_stat $uniq) {	2063	unless (aio_stat $uniq) {
…		…
1947	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1948	$self->decay_objects;	2082	$self->decay_objects;
1949	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1950	$self->update_buttons;	2084	$self->update_buttons;
1951	cf::cede_to_tick;	2085	cf::cede_to_tick;
1952	$self->set_darkness_map;
1953	cf::cede_to_tick;
1954	$self->activate;	2086	$self->activate;
1955	}	2087	}
1956		2088
1957	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
1958	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
1959		2091
1960	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1961	}	2093	}
1962		2094
1963	$self->post_load;	2095	$self->post_load;
1964	}	2096	}
1965		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1966	sub customise_for {	2101	sub customise_for {
1967	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1968		2103
1969	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1970	if $self->per_player;	2105	if $self->per_player;
…		…
2023	my ($path, $origin, $load) = @_;	2158	my ($path, $origin, $load) = @_;
2024		2159
2025	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
2026		2161
2027	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2029	}	2164	}
2030		2165
2031	$MAP_PREFETCH{$path} |= $load;	2166	$MAP_PREFETCH{$path} |= $load;
2032		2167
2033	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
2034	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
2035	while (my ($k, $v) = each %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
2036	if (my $map = find $k) {	2173	if (my $map = find $k) {
2037	$map->load if $v;	2174	$map->load if $v;
2038	}	2175	}
…		…
2064	return if $self->{deny_save};	2201	return if $self->{deny_save};
2065		2202
2066	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
2067		2204
2068	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
2069	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2070	};	2208	};
		2209
		2210	cf::get_slot 0.02;
2071		2211
2072	if ($uniq) {	2212	if ($uniq) {
2073	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2074	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2075	} else {	2215	} else {
…		…
2084	$self->save;	2224	$self->save;
2085		2225
2086	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2087		2227
2088	return if $self->players;	2228	return if $self->players;
2089	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2090	return if $self->{deny_save};	2230	return if $self->{deny_save};
2091		2231
2092	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
2093		2233
2094	$self->deactivate;	2234	$self->deactivate;
…		…
2119		2259
2120	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2121		2261
2122	return if $self->players;	2262	return if $self->players;
2123		2263
2124	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2125		2265
2126	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2127		2267
2128	# need to save uniques path	2268	# need to save uniques path
2129	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2212		2352
2213	sub unique_maps() {	2353	sub unique_maps() {
2214	[	2354	[
2215	map {	2355	map {
2216	utf8::decode $_;	2356	utf8::decode $_;
2217	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2218	? normalise $_	2360	: normalise $_
2219	: ()
2220	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2221	]	2362	]
2222	}	2363	}
2223		2364
2224	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2225		2396
2226	=back	2397	=back
2227		2398
2228	=head3 cf::object	2399	=head3 cf::object
2229		2400
…		…
2233		2404
2234	=over 4	2405	=over 4
2235		2406
2236	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2237		2408
2238	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2239		2411
2240	=cut	2412	=cut
2241		2413
2242	sub inv_recursive_;	2414	sub inv_recursive_;
2243	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2248	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2249	}	2421	}
2250		2422
2251	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2252		2424
2253	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2254		2426
2255	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2256		2428
2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2258	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2260	=cut	2432	=cut
2261		2433
2262	sub deref {	2434	sub deref {
2263	my ($ref) = @_;	2435	my ($ref) = @_;
2264		2436
2265	# temporary compatibility#TODO#remove
2266	$ref =~ s{^<}{player/<};
2267
2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2269	my ($uuid, $name) = ($1, $2);	2438	my ($uuid, $name) = ($1, $2);
2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2271	or return;	2440	or return;
2272	$pl->ob->uuid eq $uuid	2441	$pl->ob->uuid eq $uuid
2273	or return;	2442	or return;
…		…
2293	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2294	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2295		2464
2296	=cut	2465	=cut
2297		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2298	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2299	# with dialog boxes.	2482	# with dialog boxes.
2300	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2301	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2302	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2313	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2315		2498
2316	} else {	2499	} else {
2317	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2318	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2319	}	2502	}
2320	}	2503	}
2321	}	2504	}
2322		2505
2323	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2348		2531
2349	=item $player_object->enter_link	2532	=item $player_object->enter_link
2350		2533
2351	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2352		2535
2353	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2354	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2355		2540
2356	Will never block.	2541	Will never block.
2357		2542
2358	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2359		2544
…		…
2411	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2412	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2413		2598
2414	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2415	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2416	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2417		2602
2418	$map->load;	2603	$map->load;
2419	$map->load_neighbours;	2604	$map->load_neighbours;
2420		2605
2421	return unless $self->contr->active;	2606	return unless $self->contr->active;
2422	$self->activate_recursive;
2423		2607
2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2425	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2426	}	2613	}
2427		2614
2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2429		2616
2430	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2431	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2432	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2433	the new (success) or old (failed) map position. In either case, $done will	2620	the new (success) or old (failed) map position. In either case, $done will
2434	be called at the end of this process.	2621	be called at the end of this process.
2435		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
		2625
2436	=cut	2626	=cut
2437		2627
2438	our $GOTOGEN;	2628	our $GOTOGEN;
2439		2629
2440	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
…		…
2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2445		2635
2446	$self->enter_link;	2636	$self->enter_link;
2447		2637
2448	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2449	my $map = eval {	2660	my $map = eval {
2450	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2451		2662
2452	if ($map) {	2663	if ($map) {
2453	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2454	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2455	} else {	2666	} else {
2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2457	}	2668	}
2458		2669
2459	$map	2670	$map
2460	};	2671	};
2461		2672
…		…
2497	}	2708	}
2498		2709
2499	sub prepare_random_map {	2710	sub prepare_random_map {
2500	my ($exit) = @_;	2711	my ($exit) = @_;
2501		2712
2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
2503
2504	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2505	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2506	# that depends on the exit object	2715	# that depends on the exit object
2507		2716
2508	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2510	if ($exit->map) {	2719	if ($exit->map) {
2511	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2512	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2513	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2514	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2515	}	2726	}
2516		2727
2517	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2518		2729
2519	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2520	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2521	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2522		2733
2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2524	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2525	undef $fh;	2736	undef $fh;
2526	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2527		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2528	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2529	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2530	}	2745	}
2531	}	2746	}
2532		2747
2533	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2534	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2535		2750
2536	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2537		2752
2538	if ($exit->slaying eq "/!") {
2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
2540	# the problem is that $exit might not survive long enough
2541	# so it needs to be done right now, right here
2542	cf::sync_job { prepare_random_map $exit };
2543	}
2544
2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2546	my $hp = $exit->stats->hp;
2547	my $sp = $exit->stats->sp;
2548
2549	$self->enter_link;	2753	$self->enter_link;
2550		2754
2551	# if exit is damned, update players death & WoR home-position
2552	$self->contr->savebed ($slaying, $hp, $sp)
2553	if $exit->flag (FLAG_DAMNED);
2554
2555	(async {	2755	(async {
2556	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2557	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2558	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2559		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2560	1;	2779	1
2561	}) {	2780	}) {
2562	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2563	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2564	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2565	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2566		2785
2567	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2584	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2585	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2586		2805
2587	utf8::encode $text;	2806	utf8::encode $text;
2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2589	}	2833	}
2590		2834
2591	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2592		2836
2593	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2595	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2596	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2597		2841
2598	=cut	2842	=cut
2599		2843
		2844	# non-persistent channels (usually the info channel)
2600	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2601	"c/identify" => {	2852	"c/identify" => {
2602	id => "identify",	2853	id => "infobox",
2603	title => "Identify",	2854	title => "Identify",
2604	reply => undef,	2855	reply => undef,
2605	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
2606	},	2857	},
2607	"c/examine" => {	2858	"c/examine" => {
2608	id => "examine",	2859	id => "infobox",
2609	title => "Examine",	2860	title => "Examine",
2610	reply => undef,	2861	reply => undef,
2611	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
2612	},	2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2613	);	2956	);
2614		2957
2615	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2616	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2617		2960
2618	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2619		2963
2620	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2621		2965
2622	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
2624		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2625	if (ref $channel) {	2973	} elsif (ref $channel) {
2626	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2627	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2628	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2629	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2630	if $self->can_msg;
2631	}	2978	}
2632		2979
2633	$channel = $channel->{id};	2980	$channel = $channel->{id};
2634	}	2981	}
2635		2982
2636	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2637		2984
2638	if ($self->can_msg) {
2639	# default colour, mask it out	2985	# default colour, mask it out
2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2641	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2642		2988
2643	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2645	} else {	2992	);
2646	if ($color >= 0) {
2647	# replace some tags by gcfclient-compatible ones
2648	for ($msg) {
2649	1 while
2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2655	}
2656		2993
2657	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($pkt);
2658
2659	utf8::encode $msg;
2660
2661	if (0 && $msg =~ /\[/) {
2662	# COMMAND/INFO
2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
2664	} else {
2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2666	$self->send_packet ("drawinfo $color $msg")
2667	}
2668	}
2669	}
2670	}	2995	}
2671		2996
2672	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2673		2998
2674	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2677		3002
2678	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2679	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2680		3005
2681	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2683	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2684	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2686	}	3011	}
2687	}	3012	}
2688		3013
2689	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2690		3015
…		…
2694		3019
2695	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2696	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2697		3022
2698	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2700	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2701	#TODO: version 1, remove	3026	#TODO: version 1, remove
2702	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2704	}	3029	}
2705	}	3030	}
2706		3031
2707	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2708		3033
…		…
2835	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2836		3161
2837	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2838		3163
2839	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
2840	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
2841	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
2842	sort time	3167	sort time
2843	));	3168	));
2844		3169
2845	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
2847	=pod	3172	=pod
2848		3173
2849	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2850		3175
2851	cf::object	3176	cf::object
2852	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2853	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
2854		3180
2855	cf::object::player	3181	cf::object::player
2856	player	3182	player
2857		3183
2858	cf::player	3184	cf::player
…		…
2863		3189
2864	=cut	3190	=cut
2865		3191
2866	for (	3192	for (
2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2868	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
2869	decrease_ob_nr)],	3195	decrease split destroy change_exp value msg lore send_msg)],
2870	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2871	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2872	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2873	) {	3199	) {
2874	no strict 'refs';	3200	no strict 'refs';
2875	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2876	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2894		3220
2895	my $qcode = $code;	3221	my $qcode = $code;
2896	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2897	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2898		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2899	local $_;	3228	local $_;
2900	local @safe::cf::_safe_eval_args = values %vars;
2901		3229
2902	my $eval =	3230	my $eval =
2903	"do {\n"	3231	"do {\n"
2904	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2905	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2906	. $code	3234	. $code
2907	. "\n}"	3235	. "\n}"
2908	;	3236	;
2909		3237
		3238	if ($CFG{safe_eval}) {
2910	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2911	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2912	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2913		3247
2914	if ($@) {	3248	if ($@) {
2915	warn "$@";	3249	warn "$@";
2916	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2917	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2936	=cut	3270	=cut
2937		3271
2938	sub register_script_function {	3272	sub register_script_function {
2939	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2940		3274
2941	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2942	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2943	}	3277	}
2944		3278
2945	=back	3279	=back
2946		3280
2947	=cut	3281	=cut
…		…
2968		3302
2969	$facedata->{version} == 2	3303	$facedata->{version} == 2
2970	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2971		3305
2972	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2973	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
2974	type => FT_RSRC,	3309	type => FT_RSRC,
2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
2976	};	3312	};
2977	cf::cede_to_tick;	3313	cf::cede_to_tick;
2978		3314
2979	{	3315	{
2980	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2981		3317
2982	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2984	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
2985	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2988		3325
2989	cf::cede_to_tick;	3326	cf::cede_to_tick;
2990	}	3327	}
2991		3328
2992	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2993	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2994	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2995	or next;	3333	or next;
		3334
2996	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2997	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2999	} else {	3338	} else {
3000	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3014		3353
3015	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3016	}	3355	}
3017		3356
3018	{	3357	{
3019	# TODO: for gcfclient pleasure, we should give resources
3020	# that gcfclient doesn't grok a >10000 face index.
3021	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3022		3359
3023	my $soundconf = delete $res->{"res/sound.conf"};
3024
3025	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3027	my $data;
3028		3363
3029	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3030	# prepend meta info	3365	cf::face::set_type $idx, $info->{type};
3031
3032	my $meta = $enc->encode ({
3033	name => $name,
3034	%{ $info->{meta} || {} },
3035	});
3036
3037	$data = pack "(w/a*)*", $meta, $info->{data};
3038	} else {	3366	} else {
3039	$data = $info->{data};	3367	$RESOURCE{$name} = $info;
3040	}	3368	}
3041		3369
3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3043	cf::face::set_type $idx, $info->{type};
3044
3045	cf::cede_to_tick;	3370	cf::cede_to_tick;
3046	}	3371	}
3047
3048	if ($soundconf) {
3049	$soundconf = $enc->decode (delete $soundconf->{data});
3050
3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3052	my $sound = $soundconf->{compat}[$_]
3053	or next;
3054
3055	my $face = cf::face::find "sound/$sound->[1]";
3056	cf::sound::set $sound->[0] => $face;
3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3058	}
3059
3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
3061	my $face = cf::face::find "sound/$v";
3062	cf::sound::set $k => $face;
3063	}
3064	}
3065	}	3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3066		3375
3067	1	3376	1
3068	}	3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
3069		3398
3070	register_exticmd fx_want => sub {	3399	register_exticmd fx_want => sub {
3071	my ($ns, $want) = @_;	3400	my ($ns, $want) = @_;
3072		3401
3073	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3074	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3075	}	3404	}
3076	};	3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
3077		3416
3078	sub reload_regions {	3417	sub reload_regions {
3079	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3080	# for this (global event?)	3419	# for this (global event?)
3081	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3095	}	3434	}
3096		3435
3097	sub reload_archetypes {	3436	sub reload_archetypes {
3098	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3099	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3100	#d# NEED to laod twice to resolve forward references
3101	# this really needs to be done in an extra post-pass
3102	# (which needs to be synchronous, so solve it differently)
3103	load_resource_file "$DATADIR/archetypes"
3104	or die "unable to load archetypes\n";
3105	}	3439	}
3106		3440
3107	sub reload_treasures {	3441	sub reload_treasures {
3108	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3109	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3110	}	3444	}
3111		3445
3112	sub reload_resources {	3446	sub reload_resources {
3113	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3114		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3115	reload_regions;	3451	reload_regions;
3116	reload_facedata;
3117	#reload_archetypes;#d#
3118	reload_archetypes;
3119	reload_treasures;	3452	reload_treasures;
3120		3453
3121	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3122	}	3455	}
3123		3456
3124	sub init {
3125	reload_resources;
3126	}
3127
3128	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3129	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3130	or return;	3461	or return;
3131		3462
3132	local $/;	3463	local $/;
3133	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3134		3465
3135	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3136		3467
3137	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3138	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3142	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3143	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3144	};	3475	};
3145	warn $@ if $@;	3476	warn $@ if $@;
3146	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3147	}	3508	}
3148		3509
3149	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3150	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3151	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3153	(async {	3528	(async {
3154	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
3155	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3156	};	3532	};
3157		3533
		3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3158	reload_config;	3541	reload_config;
3159	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3160	load_extensions;	3553	load_extensions;
3161		3554
3162	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
3163	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3164	}	3565	}
3165		3566
3166	#############################################################################	3567	#############################################################################
3167	# initialisation and cleanup	3568	# initialisation and cleanup
3168		3569
3169	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
3170	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
3171	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
3172	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3173	reentrant => 0,
3174	data => WF_AUTOCANCEL,
3175	signal => $signal,
3176	prio => 0,
3177	cb => sub {
3178	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
3179	},
3180	);	3576	};
3181	}	3577	}
3182	}	3578	}
3183		3579
3184	sub write_runtime {	3580	sub write_runtime_sync {
3185	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
3186		3582
3187	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3188	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3189		3585
3190	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3191		3587
3192	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3193		3589
3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3195	or return;	3591	or return;
3196		3592
3197	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3198	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3199	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3209	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3210		3606
3211	close $fh	3607	close $fh
3212	or return;	3608	or return;
3213		3609
3214	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3215	and return;	3611	and return;
3216		3612
3217	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3218		3614
3219	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3220	}	3666	}
3221		3667
3222	sub emergency_save() {	3668	sub emergency_save() {
3223	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3224		3670
3225	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3226		3672
3227	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3228	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3229	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3230	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3231	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3232	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3233	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3234	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3235	$pl->save;	3687	$pl->save;
3236	}	3688	}
3237	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3238		3690
3239	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3240	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3241	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3242	$map->valid or next;	3694	$map->valid or next;
3243	$map->save;	3695	$map->save;
3244	}	3696	}
3245	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3246		3698
3247	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3248	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3249	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3250	};	3706	};
3251		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3252	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3253	}	3714	}
3254		3715
3255	sub post_cleanup {	3716	sub post_cleanup {
3256	my ($make_core) = @_;	3717	my ($make_core) = @_;
3257		3718
3258	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3259	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3260	}	3750	}
3261		3751
3262	sub do_reload_perl() {	3752	sub do_reload_perl() {
3263	# can/must only be called in main	3753	# can/must only be called in main
3264	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3265	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3266	return;	3756	return;
3267	}	3757	}
3268		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3269	warn "reloading...";	3764	warn "reloading...";
3270		3765
3271	warn "entering sync_job";	3766	warn "entering sync_job";
3272		3767
3273	cf::sync_job {	3768	cf::sync_job {
3274	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3275	cf::emergency_save;	3770	cf::emergency_save;
3276	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3277		3772
3278	warn "syncing database to disk";	3773	warn "syncing database to disk";
3279	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3280		3775
3281	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3282		3777
3283	warn "cancelling all WF_AUTOCANCEL watchers";
3284	for (Event::all_watchers) {
3285	$_->cancel if $_->data & WF_AUTOCANCEL;
3286	}
3287
3288	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
3289	for (;;) {
3290	BDB::flush;
3291	IO::AIO::flush;
3292	Coro::cede;
3293	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3294	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3295	}
3296
3297	++$RELOAD;
3298
3299	warn "cancelling all extension coros";
3300	$_->cancel for values %EXT_CORO;
3301	%EXT_CORO = ();
3302
3303	warn "removing commands";
3304	%COMMAND = ();
3305
3306	warn "removing ext/exti commands";
3307	%EXTCMD = ();
3308	%EXTICMD = ();
3309
3310	warn "unloading/nuking all extensions";
3311	for my $pkg (@EXTS) {
3312	warn "... unloading $pkg";
3313
3314	if (my $cb = $pkg->can ("unload")) {
3315	eval {
3316	$cb->($pkg);
3317	1
3318	} or warn "$pkg unloaded, but with errors: $@";
3319	}	3781	}
3320		3782
3321	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3322	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3323	}	3785	%EXT_CORO = ();
3324		3786
3325	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3326	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3328		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3329	warn "... unloading $k";	3796	warn "... unloading $pkg";
3330	delete $INC{$k};
3331		3797
3332	$k =~ s/\.pm$//;
3333	$k =~ s/\//::/g;
3334
3335	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3336	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3337	}	3807	}
3338		3808
3339	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3340	}	3824	}
3341		3825
3342	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3343	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3345		3829
3346	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3347	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3348	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3349		3833
3350	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3351	# and global variables created in xs	3835	# and global variables created in xs
3352	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3353		3837
3354	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3355		3839
3356	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3357	require cf;	3841	require cf;
3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3359		3843
3360	warn "loading config and database again";	3844	warn "loading config and database again";
3361	cf::reload_config;	3845	cf::reload_config;
3362		3846
3363	warn "loading extensions";	3847	warn "loading extensions";
3364	cf::load_extensions;	3848	cf::load_extensions;
3365		3849
		3850	if ($REATTACH_ON_RELOAD) {
3366	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3367	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3368	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3369	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3370	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3371	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3372		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3373	warn "leaving sync_job";	3862	warn "leaving sync_job";
3374		3863
3375	1	3864	1
3376	} or do {	3865	} or do {
3377	warn $@;	3866	warn $@;
3378	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3379	exit 1;
3380	};	3868	};
3381		3869
3382	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3383	};	3876	};
3384		3877
3385	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3386		3879
3387	sub reload_perl() {	3880	sub reload_perl() {
3388	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3389	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3390		3883
3391	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3392	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3393	after => 0,	3886
3394	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3395	cb => sub {
3396	do_reload_perl;	3888	do_reload_perl;
3397	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3398	},	3890	};
3399	);	3891	};
3400	}	3892	}
3401		3893
3402	register_command "reload" => sub {	3894	register_command "reload" => sub {
3403	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3404		3896
3405	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3406	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3407	async { reload_perl };	3901	reload_perl;
		3902	};
3408	}	3903	}
3409	};	3904	};
3410		3905
3411	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3412		3907
…		…
3414		3909
3415	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3416	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3417		3912
3418	sub wait_for_tick {	3913	sub wait_for_tick {
3419	return unless $TICK_WATCHER->is_active;
3420	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3421		3915
3422	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3423	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3424	$signal->wait;	3918	$signal->wait;
3425	}	3919	}
3426		3920
3427	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3428	return unless $TICK_WATCHER->is_active;
3429	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3430		3923
3431	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3432	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3433	$signal->wait;	3926	$signal->wait;
3434	}	3927	}
3435		3928
3436	my $min = 1e6;#d#	3929	sub tick {
3437	my $avg = 10;
3438	$TICK_WATCHER = Event->timer (
3439	reentrant => 0,
3440	parked => 1,
3441	prio => 0,
3442	at => $NEXT_TICK || $TICK,
3443	data => WF_AUTOCANCEL,
3444	cb => sub {
3445	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3447	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3448	return;	3933	return;
3449	}	3934	}
3450		3935
3451	$NOW = $tick_start = Event::time;
3452
3453	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3454		3937
3455	0 && sync_job {#d#	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3456	for(1..10) {
3457	my $t = Event::time;
3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3459	or die;
3460		3939
3461	$map->width (50);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3462	$map->height (50);	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3463	$map->alloc;	3942	Coro::async_pool {
3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	3943	$Coro::current->{desc} = "runtime saver";
3465	my $t = Event::time - $t;	3944	write_runtime_sync
3466		3945	or warn "ERROR: unable to write runtime file: $!";
3467	#next unless $t < 0.0013;#d#
3468	if ($t < $min) {
3469	$min = $t;
3470	}
3471	$avg = $avg * 0.99 + $t * 0.01;
3472	}
3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3474	exit 0;
3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3476	};	3946	};
		3947	}
3477		3948
3478	$RUNTIME += $TICK;
3479	$NEXT_TICK += $TICK;
3480
3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
3483	Coro::async_pool {
3484	write_runtime
3485	or warn "ERROR: unable to write runtime file: $!";
3486	};
3487	}
3488
3489	# my $AFTER = Event::time;
3490	# warn $AFTER - $NOW;#d#
3491
3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3493	$sig->send;	3950	$sig->send;
3494	}	3951	}
3495	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3496	$sig->send;	3953	$sig->send;
3497	}	3954	}
3498		3955
3499	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3500
3501	# if we are delayed by four ticks or more, skip them all
3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3503
3504	$TICK_WATCHER->at ($NEXT_TICK);
3505	$TICK_WATCHER->start;
3506
3507	$LOAD = ($NOW - $tick_start) / $TICK;
3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3509		3958
3510	_post_tick;	3959	if (0) {
3511		3960	if ($NEXT_TICK) {
3512		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3513	},	3965	}
3514	);	3966	}
3515		3967
3516	{	3968	{
3517	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
3518	$BDB_POLL_WATCHER = Event->io (	3970
3519	reentrant => 0,
3520	fd => BDB::poll_fileno,
3521	poll => 'r',
3522	prio => 0,
3523	data => WF_AUTOCANCEL,
3524	cb => \&BDB::poll_cb,
3525	);
3526	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3527		3972	BDB::max_poll_reqs $TICK * 0.1;
3528	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
3529	my $status;
3530	my $current = $Coro::current;
3531	(
3532	sub {
3533	$status = $!;
3534	$current->ready; undef $current;
3535	},
3536	sub {
3537	Coro::schedule while defined $current;
3538	$! = $status;
3539	},
3540	)
3541	};
3542		3974
3543	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3544	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3545		3982
3546	cf::sync_job {	3983	cf::sync_job {
3547	eval {	3984	eval {
3548	BDB::db_env_open	3985	BDB::db_env_open
3549	$DB_ENV,	3986	$DB_ENV,
…		…
3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3553	0666;	3990	0666;
3554		3991
3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3556
3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3558	$DB_ENV->set_lk_detect;
3559	};	3993	};
3560		3994
3561	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3562	};	3996	};
3563	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
3564	}	4008	}
3565		4009
3566	{	4010	{
		4011	# configure IO::AIO
		4012
3567	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3568
3569	undef $Coro::AIO::WATCHER;
3570	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3571	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3572	reentrant => 0,
3573	data => WF_AUTOCANCEL,
3574	fd => IO::AIO::poll_fileno,
3575	poll => 'r',
3576	prio => 6,
3577	cb => \&IO::AIO::poll_cb,
3578	);
3579	}	4016	}
3580		4017
3581	my $_log_backtrace;	4018	my $_log_backtrace;
3582		4019
3583	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3586	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3587		4024
3588	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3589	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3590	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3591	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3592	my @bt = fork_call {	4032	my @bt = fork_call {
3593	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3596	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3604	}	4044	}
3605		4045
3606	@funcs	4046	@funcs
3607	};	4047	};
3608		4048
3609	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3610	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3611	--$_log_backtrace;	4052	--$_log_backtrace;
3612	};	4053	};
3613	} else {	4054	} else {
3614	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3615	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3616	}	4057	}
3617	}	4058	}
3618		4059
3619	# load additional modules	4060	# load additional modules
3620	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3621		4063
3622	END { cf::emergency_save }	4064	END { cf::emergency_save }
3623		4065
3624	1	4066	1
3625		4067

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