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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 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 $LOCKS = new Coro::SemaphoreSet;
290		379
291	sub lock_wait($) {	380	sub lock_wait($) {
292	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	382	}
300		383
301	sub lock_acquire($) {	384	sub lock_acquire($) {
302	my ($key) = @_;	385	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	386	}
314		387
315	sub lock_active($) {	388	sub lock_active($) {
316	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	390	}
320		391
321	sub freeze_mainloop {	392	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
323		394
324	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	396	}
326	};	397
327	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
328	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
329	}	411	}
330		412
331	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
332		414
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341		423
342	=cut	424	=cut
343		425
344	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
346		429
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
349	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
350		436
351	while () {	437	while () {
352	next_job:	438	next_job:
		439
353	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	441
355	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	446	$job->[2]->send;
359	Coro::cede;	447	Coro::cede;
360	goto next_job;	448	goto next_job;
361	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	451	}
363	}	452	}
364		453
365	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	457	$signal->wait;
369	} else {	458	} else {
		459	$busy = 0;
370	Coro::schedule;	460	Coro::schedule;
371	}	461	}
372	}	462	}
373	};	463	};
374		464
375	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
376	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
377		469
378	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
379	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
380		473
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
394		487
395	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
396		489
397	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
398		491
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
400	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
401	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
402	acceptable.	495	acceptable.
403		496
404	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
405	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
…		…
410		503
411	sub sync_job(&) {	504	sub sync_job(&) {
412	my ($job) = @_;	505	my ($job) = @_;
413		506
414	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	508	my $time = EV::time;
416		509
417	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
419		512
420	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	514
422	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
423		516
424	my $busy = 1;	517	my $busy = 1;
425	my @res;	518	my @res;
426		519
427	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	522	@res = eval { $job->() };
429	warn $@ if $@;	523	warn $@ if $@;
430	undef $busy;	524	undef $busy;
431	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
432		526
433	while ($busy) {	527	while ($busy) {
434	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
435	}	532	}
		533	}
436		534
437	$time = Event::time - $time;	535	my $time = EV::time - $time;
438		536
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
443		538
444	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
445	} else {	540	} else {
446	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
447		542
…		…
472	=item fork_call { }, $args	567	=item fork_call { }, $args
473		568
474	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
475	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
476	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
477	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
478		573
479	=cut	574	=cut
480		575
481	sub fork_call(&@) {	576	sub fork_call(&@) {
482	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
…		…
491	}, @args;	586	}, @args;
492		587
493	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
494	}	589	}
495		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
496	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
497		619
498	Returns a single value from the environment database.	620	Returns a single value from the environment database.
499		621
500	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
501		623
502	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
503	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).
504		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
505	=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	}
506		650
507	our $DB;	651	our $DB;
508		652
509	sub db_init {	653	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	654	cf::sync_job {
514	eval {	655	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	656	};
524	}	657	}
525		658
526	sub db_get($$) {	659	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
528		661
…		…
626		759
627	#############################################################################	760	#############################################################################
628		761
629	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
630		763
631	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
632	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")
633	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
634		767
635	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>
636	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
637	Crossfire TRT).	770	Deliantra).
638		771
639	=over 4	772	=over 4
640		773
641	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
642		775
…		…
686	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
687		820
688	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
689	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
690		823
691	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
692	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.
693		826
694	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
695		828
696	=over 4	829	=over 4
…		…
924	}	1057	}
925		1058
926	0	1059	0
927	}	1060	}
928		1061
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1063
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1065
933	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
934		1067
…		…
940		1073
941	=cut	1074	=cut
942		1075
943	#############################################################################	1076	#############################################################################
944	# object support	1077	# object support
945	#
946		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#
947	sub _can_merge {	1112	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
949		1114
950	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1116
954	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
955	}	1119	}
956		1120
957	sub reattach {	1121	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1123	my ($obj) = @_;
960		1124
		1125	# no longer needed after getting rid of delete_package?
961	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
962		1127
963	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
964		1129
965	@$registry = ();	1130	@$registry = ();
966		1131
…		…
981	cf::attachable->attach (	1146	cf::attachable->attach (
982	prio => -1000000,	1147	prio => -1000000,
983	on_instantiate => sub {	1148	on_instantiate => sub {
984	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
985		1150
986	$data = from_json $data;	1151	$data = decode_json $data;
987		1152
988	for (@$data) {	1153	for (@$data) {
989	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
990		1155
991	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1005	);	1170	);
1006		1171
1007	sub object_freezer_save {	1172	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1009		1174
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1175	sync_job {
1013	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1016		1180
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	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	}
1021	close $fh;	1188	aio_close $fh;
1022		1189
1023	if (@$objs) {	1190	if (@$objs) {
1024	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) {
1025	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1028	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	}
1029	close $fh;	1199	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1201	}
1032	} else {	1202	} else {
1033	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1034	}	1204	}
1035		1205
1036	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1037	} else {	1210	} else {
1038	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1039	}	1212	}
1040	} else {	1213	} else {
1041	aio_unlink $filename;	1214	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1043	}	1216	}
1044	};	1217	};
1045
1046	undef $guard;
1047	}	1218	}
1048		1219
1049	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1051		1222
…		…
1056		1227
1057	sub object_thawer_load {	1228	sub object_thawer_load {
1058	my ($filename) = @_;	1229	my ($filename) = @_;
1059		1230
1060	my ($data, $av);	1231	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1232
1064	(aio_load $filename, $data) >= 0	1233	(aio_load $filename, $data) >= 0
1065	or return;	1234	or return;
1066		1235
1067	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1238	or return;
1070		1239
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1073	}	1242	}
1074		1243
		1244	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
1077		1247
1078	($data, $av)	1248	($data, $av)
1079	}	1249	}
1080		1250
1081	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
…		…
1137	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1138		1308
1139	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1140	}	1310	}
1141		1311
		1312	use File::Glob ();
		1313
1142	cf::player->attach (	1314	cf::player->attach (
1143	on_command => sub {	1315	on_command => sub {
1144	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1145		1317
1146	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1178		1350
1179	cf::override;	1351	cf::override;
1180	},	1352	},
1181	);	1353	);
1182		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
1183	sub load_extensions {	1368	sub load_extensions {
1184	cf::sync_job {	1369	cf::sync_job {
1185	my %todo;	1370	my %todo;
1186		1371
1187	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1206		1391
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1394
1210	$ext{source} =	1395	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1212	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1213	. $source	1398	. $source
1214	. "\n};\n1";	1399	. "\n};\n1";
1215		1400
1216	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1217	}	1402	}
1218		1403
		1404	my $pass = 0;
1219	my %done;	1405	my %done;
1220	while (%todo) {	1406	while (%todo) {
1221	my $progress;	1407	my $progress;
1222		1408
		1409	++$pass;
		1410
		1411	ext:
1223	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1224	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1225	goto skip	1414	next ext
1226	unless exists $done{$_};	1415	unless exists $done{$_};
1227	}	1416	}
1228		1417
1229	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1230		1419
1231	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1232	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1233	: "$v->{base}: extension inactive.\n";
1234		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1235	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1236	warn $msg;	1427	} else {
1237	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1238	exit 1;	1429	push @EXTS, $v->{pkg};
1239	}	1430	$progress = 1;
1240		1431
1241	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1242	}	1434	}
1243
1244	$done{$k} = delete $todo{$k};
1245	push @EXTS, $v->{pkg};
1246	$progress = 1;
1247	}	1435	}
1248		1436
1249	skip:	1437	unless ($progress) {
1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1251	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	}
1252	}	1445	}
1253	};	1446	};
1254	}	1447	}
1255		1448
1256	#############################################################################	1449	#############################################################################
1257		1450
1258	=back	1451	=back
1259		1452
1260	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1261		1454
1262	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1263		1456
1264	=cut	1457	=cut
1265		1458
1266	package cf::player;	1459	package cf::player;
1267		1460
1268	use Coro::AIO;	1461	use Coro::AIO;
1269		1462
1270	=head3 cf::player	1463	=head3 cf::player
1271		1464
1272	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1273		1480
1274	=item cf::player::find $login	1481	=item cf::player::find $login
1275		1482
1276	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1277		1484
…		…
1296		1503
1297	sub exists($) {	1504	sub exists($) {
1298	my ($login) = @_;	1505	my ($login) = @_;
1299		1506
1300	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1301	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1302	}	1509	}
1303		1510
1304	sub find($) {	1511	sub find($) {
1305	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1306	my $login = $_[0];	1513	my $login = $_[0];
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1524
1318	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1526	or return;
1320		1527
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1323	or return;	1529	or return;
		1530
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1327	}	1534	}
1328	}	1535	}
…		…
1338		1545
1339	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1340		1547
1341	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
1343		1552
1344	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1554	cf::cede_to_tick;
1346	}	1555	}
1347		1556
…		…
1379	my ($pl) = @_;	1588	my ($pl) = @_;
1380		1589
1381	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1382		1591
1383	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1384	$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
1385		1594
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1390		1601
1391	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1431		1642
1432	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
1433	my $path = path $login;	1644	my $path = path $login;
1434		1645
1435	# a .pst is a dead give-away for a valid player	1646	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1652	}
1441		1653
…		…
1472	}	1684	}
1473		1685
1474	\@paths	1686	\@paths
1475	}	1687	}
1476		1688
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1690
1479	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1480
1481	=cut
1482
1483	sub expand_cfpod {
1484	((my $self), (local $_)) = @_;
1485
1486	# escape & and <
1487	s/&/&amp;/g;
1488	s/(?<![BIUGHT])</&lt;/g;
1489
1490	# this is buggy, it needs to properly take care of nested <'s
1491
1492	1 while
1493	# replace B<>, I<>, U<> etc.
1494	s/B<([^\>]*)>/<b>$1<\/b>/
1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1692
1528	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1529		1694
1530	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1531		1696
…		…
1598	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1600		1765
1601	sub generate_random_map {	1766	sub generate_random_map {
1602	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
1603	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1604	$self->_create_random_map (	1772	$self->_create_random_map (
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1729		1897
1730	# the temporary/swap location	1898	# the temporary/swap location
1731	sub save_path {	1899	sub save_path {
1732	my ($self) = @_;	1900	my ($self) = @_;
1733		1901
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1736	}	1904	}
1737		1905
1738	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1739	sub uniq_path {	1907	sub uniq_path {
1740	my ($self) = @_;	1908	my ($self) = @_;
1741		1909
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1744	}
1745
1746	# and all this just because we cannot iterate over
1747	# all maps in C++...
1748	sub change_all_map_light {
1749	my ($change) = @_;
1750
1751	$_->change_map_light ($change)
1752	for grep $_->outdoor, values %cf::MAP;
1753	}	1912	}
1754		1913
1755	sub decay_objects {	1914	sub decay_objects {
1756	my ($self) = @_;	1915	my ($self) = @_;
1757		1916
…		…
1841	sub find {	2000	sub find {
1842	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1843		2002
1844	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1845		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1847		2007
1848	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1849	my $guard = cf::lock_acquire "map_find:$path";
1850	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1851	or return;	2010	or return;
1852		2011
1853	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1854		2013
…		…
1856	or return;	2015	or return;
1857		2016
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1861	$map->reset;	2022	$map->reset;
1862	undef $guard;
1863	return find $path;	2023	return find $path;
1864	}	2024	}
1865		2025
1866	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1867	}	2027	}
1868	}	2028	}
1869		2029
1870	sub pre_load { }	2030	sub pre_load { }
1871	sub post_load { }	2031	#sub post_load { } # XS
1872		2032
1873	sub load {	2033	sub load {
1874	my ($self) = @_;	2034	my ($self) = @_;
1875		2035
1876	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1877		2037
1878	my $path = $self->{path};	2038	my $path = $self->{path};
1879		2039
1880	{	2040	{
1881	my $guard1 = cf::lock_acquire "map_data:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1882	my $guard2 = cf::lock_acquire "map_load:$path";
1883		2042
		2043	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1885		2045
1886	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1887		2047
1888	$self->alloc;	2048	$self->alloc;
1889		2049
…		…
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2054	$f->skip_block;
1895	$self->_load_objects ($f)	2055	$self->_load_objects ($f)
1896	or return;	2056	or return;
1897		2057
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1899	if delete $self->{load_original};	2059	if delete $self->{load_original};
1900		2060
1901	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2062	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2063	unless (aio_stat $uniq) {
…		…
1921	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1922	$self->decay_objects;	2082	$self->decay_objects;
1923	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1924	$self->update_buttons;	2084	$self->update_buttons;
1925	cf::cede_to_tick;	2085	cf::cede_to_tick;
1926	$self->set_darkness_map;
1927	cf::cede_to_tick;
1928	$self->activate;	2086	$self->activate;
1929	}	2087	}
1930		2088
1931	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
1933		2091
1934	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1935	}	2093	}
1936		2094
1937	$self->post_load;	2095	$self->post_load;
1938	}	2096	}
1939		2097
…		…
1997	my ($path, $origin, $load) = @_;	2155	my ($path, $origin, $load) = @_;
1998		2156
1999	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
2000		2158
2001	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2161	}
2004		2162
2005	$MAP_PREFETCH{$path} |= $load;	2163	$MAP_PREFETCH{$path} |= $load;
2006		2164
2007	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
2008	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2170	if (my $map = find $k) {
2011	$map->load if $v;	2171	$map->load if $v;
2012	}	2172	}
…		…
2038	return if $self->{deny_save};	2198	return if $self->{deny_save};
2039		2199
2040	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
2041		2201
2042	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
2044	};	2205	};
		2206
		2207	cf::get_slot 0.02;
2045		2208
2046	if ($uniq) {	2209	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2212	} else {
…		…
2058	$self->save;	2221	$self->save;
2059		2222
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2224
2062	return if $self->players;	2225	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
2064	return if $self->{deny_save};	2227	return if $self->{deny_save};
2065		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
2066	$self->clear;	2233	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2234	}
2069		2235
2070	sub reset_at {	2236	sub reset_at {
2071	my ($self) = @_;	2237	my ($self) = @_;
2072		2238
…		…
2090		2256
2091	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
2092		2258
2093	return if $self->players;	2259	return if $self->players;
2094		2260
2095	warn "resetting map ", $self->path;	2261	warn "resetting map ", $self->path, "\n";
2096		2262
2097	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
2098		2264
2099	# need to save uniques path	2265	# need to save uniques path
2100	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
2104	if $uniq;	2270	if $uniq;
2105	}	2271	}
2106		2272
2107	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
2108		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2277	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2278
2113	$self->unlink_save;	2279	$self->unlink_save;
2114	$self->destroy;	2280	$self->destroy;
2115	}	2281	}
2116		2282
…		…
2183		2349
2184	sub unique_maps() {	2350	sub unique_maps() {
2185	[	2351	[
2186	map {	2352	map {
2187	utf8::decode $_;	2353	utf8::decode $_;
2188	/\.map$/	2354	s/\.map$//; # TODO future compatibility hack
		2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2356	? ()
2189	? normalise $_	2357	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2358	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2359	]
2193	}	2360	}
2194		2361
2195	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
2196		2393
2197	=back	2394	=back
2198		2395
2199	=head3 cf::object	2396	=head3 cf::object
2200		2397
…		…
2204		2401
2205	=over 4	2402	=over 4
2206		2403
2207	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
2208		2405
2209	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
2210		2408
2211	=cut	2409	=cut
2212		2410
2213	sub inv_recursive_;	2411	sub inv_recursive_;
2214	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
2220	}	2418	}
2221		2419
2222	=item $ref = $ob->ref	2420	=item $ref = $ob->ref
2223		2421
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2422	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2423
2226	=item $ob = cf::object::deref ($refstring)	2424	=item $ob = cf::object::deref ($refstring)
2227		2425
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2427	even if the object actually exists. May block.
…		…
2231	=cut	2429	=cut
2232		2430
2233	sub deref {	2431	sub deref {
2234	my ($ref) = @_;	2432	my ($ref) = @_;
2235		2433
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2435	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2437	or return;
2243	$pl->ob->uuid eq $uuid	2438	$pl->ob->uuid eq $uuid
2244	or return;	2439	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
2266		2461
2267	=cut	2462	=cut
2268		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
		2477
2269	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2479	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2482	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2493	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2495
2287	} else {	2496	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2499	}
2291	}	2500	}
2292	}	2501	}
2293		2502
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2528
2320	=item $player_object->enter_link	2529	=item $player_object->enter_link
2321		2530
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2532
2324	The player should be reasonably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
2326		2537
2327	Will never block.	2538	Will never block.
2328		2539
2329	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
2330		2541
…		…
2382	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
2383	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
2384		2595
2385	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
2386	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
2387	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
2388		2599
2389	$map->load;	2600	$map->load;
2390	$map->load_neighbours;	2601	$map->load_neighbours;
2391		2602
2392	return unless $self->contr->active;	2603	return unless $self->contr->active;
2393	$self->activate_recursive;
2394		2604
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
		2607
		2608	# only activate afterwards, to support waiting in hooks
		2609	$self->activate_recursive;
2397	}	2610	}
2398		2611
2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2400		2613
2401	Moves the player to the given map-path and coordinates by first freezing	2614	Moves the player to the given map-path and coordinates by first freezing
2402	her, loading and preparing them map, calling the provided $check callback	2615	her, loading and preparing them map, calling the provided $check callback
2403	that has to return the map if sucecssful, and then unfreezes the player on	2616	that has to return the map if sucecssful, and then unfreezes the player on
2404	the new (success) or old (failed) map position. In either case, $done will	2617	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2618	be called at the end of this process.
2406		2619
		2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
		2622
2407	=cut	2623	=cut
2408		2624
2409	our $GOTOGEN;	2625	our $GOTOGEN;
2410		2626
2411	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
…		…
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2632
2417	$self->enter_link;	2633	$self->enter_link;
2418		2634
2419	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
2420	my $map = eval {	2657	my $map = eval {
2421	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
2422		2659
2423	if ($map) {	2660	if ($map) {
2424	$map = $map->customise_for ($self);	2661	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2662	$map = $check->($map) if $check && $map;
2426	} else {	2663	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2665	}
2429		2666
2430	$map	2667	$map
2431	};	2668	};
2432		2669
…		…
2468	}	2705	}
2469		2706
2470	sub prepare_random_map {	2707	sub prepare_random_map {
2471	my ($exit) = @_;	2708	my ($exit) = @_;
2472		2709
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2712	# that depends on the exit object
2478		2713
2479	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2716	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2486	}	2723	}
2487		2724
2488	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2489		2726
2490	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2493		2730
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2733	undef $fh;
2497	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2498		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2501	}	2742	}
2502	}	2743	}
2503		2744
2504	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2506		2747
2507	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2508		2749
2509	if ($exit->slaying eq "/!") {
2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
2511	# the problem is that $exit might not survive long enough
2512	# so it needs to be done right now, right here
2513	cf::sync_job { prepare_random_map $exit };
2514	}
2515
2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2517	my $hp = $exit->stats->hp;
2518	my $sp = $exit->stats->sp;
2519
2520	$self->enter_link;	2750	$self->enter_link;
2521		2751
2522	# if exit is damned, update players death & WoR home-position
2523	$self->contr->savebed ($slaying, $hp, $sp)
2524	if $exit->flag (FLAG_DAMNED);
2525
2526	(async {	2752	(async {
2527	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2528	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2529	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2530		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2531	1;	2776	1
2532	}) {	2777	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2782
2538	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
…		…
2555	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
2556	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
2557		2802
2558	utf8::encode $text;	2803	utf8::encode $text;
2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2805	}
		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
2560	}	2830	}
2561		2831
2562	=item $client->send_msg ($channel, $msg, $color, [extra...])	2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
2563		2833
2564	Send a drawinfo or msg packet to the client, formatting the msg for the	2834	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	2836	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	2837	the message unless the client supports the msg packet.
2568		2838
2569	=cut	2839	=cut
2570		2840
		2841	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
2572	"c/identify" => {	2849	"c/identify" => {
2573	id => "identify",	2850	id => "infobox",
2574	title => "Identify",	2851	title => "Identify",
2575	reply => undef,	2852	reply => undef,
2576	tooltip => "Items recently identified",	2853	tooltip => "Items recently identified",
2577	},	2854	},
2578	"c/examine" => {	2855	"c/examine" => {
2579	id => "examine",	2856	id => "infobox",
2580	title => "Examine",	2857	title => "Examine",
2581	reply => undef,	2858	reply => undef,
2582	tooltip => "Signs and other items you examined",	2859	tooltip => "Signs and other items you examined",
2583	},	2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
2584	);	2953	);
2585		2954
2586	sub cf::client::send_msg {	2955	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	2956	my ($self, $channel, $msg, $color, @extra) = @_;
2588		2957
2589	$msg = $self->pl->expand_cfpod ($msg);	2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
2590		2960
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		2962
2593	# check predefined channels, for the benefit of C	2963	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
2595		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
2596	if (ref $channel) {	2970	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	2971	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	2972	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	2973	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	2974	$self->ext_msg (channel_info => $channel);
2601	if $self->can_msg;
2602	}	2975	}
2603		2976
2604	$channel = $channel->{id};	2977	$channel = $channel->{id};
2605	}	2978	}
2606		2979
2607	return unless @extra || length $msg;	2980	return unless @extra || length $msg;
2608		2981
2609	if ($self->can_msg) {
2610	# default colour, mask it out	2982	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	2984	if $color & cf::NDI_DEF;
2613		2985
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2616	} else {	2989	);
2617	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {
2620	1 while
2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626	}
2627		2990
2628	$color &= cf::NDI_COLOR_MASK;	2991	$self->send_big_packet ($pkt);
2629
2630	utf8::encode $msg;
2631
2632	if (0 && $msg =~ /\[/) {
2633	# COMMAND/INFO
2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
2635	} else {
2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2637	$self->send_packet ("drawinfo $color $msg")
2638	}
2639	}
2640	}
2641	}	2992	}
2642		2993
2643	=item $client->ext_msg ($type, @msg)	2994	=item $client->ext_msg ($type, @msg)
2644		2995
2645	Sends an ext event to the client.	2996	Sends an ext event to the client.
…		…
2648		2999
2649	sub cf::client::ext_msg($$@) {	3000	sub cf::client::ext_msg($$@) {
2650	my ($self, $type, @msg) = @_;	3001	my ($self, $type, @msg) = @_;
2651		3002
2652	if ($self->extcmd == 2) {	3003	if ($self->extcmd == 2) {
2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654	} elsif ($self->extcmd == 1) { # TODO: remove	3005	} elsif ($self->extcmd == 1) { # TODO: remove
2655	push @msg, msgtype => "event_$type";	3006	push @msg, msgtype => "event_$type";
2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657	}	3008	}
2658	}	3009	}
2659		3010
2660	=item $client->ext_reply ($msgid, @msg)	3011	=item $client->ext_reply ($msgid, @msg)
2661		3012
…		…
2665		3016
2666	sub cf::client::ext_reply($$@) {	3017	sub cf::client::ext_reply($$@) {
2667	my ($self, $id, @msg) = @_;	3018	my ($self, $id, @msg) = @_;
2668		3019
2669	if ($self->extcmd == 2) {	3020	if ($self->extcmd == 2) {
2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671	} elsif ($self->extcmd == 1) {	3022	} elsif ($self->extcmd == 1) {
2672	#TODO: version 1, remove	3023	#TODO: version 1, remove
2673	unshift @msg, msgtype => "reply", msgid => $id;	3024	unshift @msg, msgtype => "reply", msgid => $id;
2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675	}	3026	}
2676	}	3027	}
2677		3028
2678	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
2679		3030
…		…
2806	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2807		3158
2808	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2809		3160
2810	$safe->permit_only (Opcode::opset qw(	3161	$safe->permit_only (Opcode::opset qw(
2811	:base_core :base_mem :base_orig :base_math	3162	:base_core :base_mem :base_orig :base_math :base_loop
2812	grepstart grepwhile mapstart mapwhile	3163	grepstart grepwhile mapstart mapwhile
2813	sort time	3164	sort time
2814	));	3165	));
2815		3166
2816	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
…		…
2818	=pod	3169	=pod
2819		3170
2820	The following functions and methods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2821		3172
2822	cf::object	3173	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3174	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3175	insert remove name archname title slaying race decrease split
		3176	value
2825		3177
2826	cf::object::player	3178	cf::object::player
2827	player	3179	player
2828		3180
2829	cf::player	3181	cf::player
…		…
2834		3186
2835	=cut	3187	=cut
2836		3188
2837	for (	3189	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3191	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3192	decrease split destroy change_exp value msg lore send_msg)],
2841	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2843	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2844	) {	3196	) {
2845	no strict 'refs';	3197	no strict 'refs';
2846	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2847	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2865		3217
2866	my $qcode = $code;	3218	my $qcode = $code;
2867	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2868	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2869		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2870	local $_;	3225	local $_;
2871	local @safe::cf::_safe_eval_args = values %vars;
2872		3226
2873	my $eval =	3227	my $eval =
2874	"do {\n"	3228	"do {\n"
2875	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2876	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2877	. $code	3231	. $code
2878	. "\n}"	3232	. "\n}"
2879	;	3233	;
2880		3234
		3235	if ($CFG{safe_eval}) {
2881	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2882	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2883	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2884		3244
2885	if ($@) {	3245	if ($@) {
2886	warn "$@";	3246	warn "$@";
2887	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2888	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2907	=cut	3267	=cut
2908		3268
2909	sub register_script_function {	3269	sub register_script_function {
2910	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2911		3271
2912	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2913	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2914	}	3274	}
2915		3275
2916	=back	3276	=back
2917		3277
2918	=cut	3278	=cut
…		…
2939		3299
2940	$facedata->{version} == 2	3300	$facedata->{version} == 2
2941	or cf::cleanup "$path: version mismatch, cannot proceed.";	3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2942		3302
2943	# patch in the exptable	3303	# patch in the exptable
		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2944	$facedata->{resource}{"res/exp_table"} = {	3305	$facedata->{resource}{"res/exp_table"} = {
2945	type => FT_RSRC,	3306	type => FT_RSRC,
2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3307	data => $exp_table,
		3308	hash => (Digest::MD5::md5 $exp_table),
2947	};	3309	};
2948	cf::cede_to_tick;	3310	cf::cede_to_tick;
2949		3311
2950	{	3312	{
2951	my $faces = $facedata->{faceinfo};	3313	my $faces = $facedata->{faceinfo};
2952		3314
2953	while (my ($face, $info) = each %$faces) {	3315	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3317
2955	cf::face::set_visibility $idx, $info->{visibility};	3318	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3319	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2959		3322
2960	cf::cede_to_tick;	3323	cf::cede_to_tick;
2961	}	3324	}
2962		3325
2963	while (my ($face, $info) = each %$faces) {	3326	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3327	next unless $info->{smooth};
		3328
2965	my $idx = cf::face::find $face	3329	my $idx = cf::face::find $face
2966	or next;	3330	or next;
		3331
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3332	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3333	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3335	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2985		3350
2986	cf::anim::invalidate_all; # d'oh	3351	cf::anim::invalidate_all; # d'oh
2987	}	3352	}
2988		3353
2989	{	3354	{
2990	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3355	my $res = $facedata->{resource};
2993		3356
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;
2999		3360
3000	if ($info->{type} & 1) {	3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3001	# prepend meta info	3362	cf::face::set_type $idx, $info->{type};
3002
3003	my $meta = $enc->encode ({
3004	name => $name,
3005	%{ $info->{meta} || {} },
3006	});
3007
3008	$data = pack "(w/a*)*", $meta, $info->{data};
3009	} else {	3363	} else {
3010	$data = $info->{data};	3364	$RESOURCE{$name} = $info;
3011	}	3365	}
3012		3366
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;	3367	cf::cede_to_tick;
3017	}	3368	}
3018
3019	if ($soundconf) {
3020	$soundconf = $enc->decode (delete $soundconf->{data});
3021
3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023	my $sound = $soundconf->{compat}[$_]
3024	or next;
3025
3026	my $face = cf::face::find "sound/$sound->[1]";
3027	cf::sound::set $sound->[0] => $face;
3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029	}
3030
3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
3032	my $face = cf::face::find "sound/$v";
3033	cf::sound::set $k => $face;
3034	}
3035	}
3036	}	3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3372
3038	1	3373	1
3039	}	3374	}
		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
3040		3395
3041	register_exticmd fx_want => sub {	3396	register_exticmd fx_want => sub {
3042	my ($ns, $want) = @_;	3397	my ($ns, $want) = @_;
3043		3398
3044	while (my ($k, $v) = each %$want) {	3399	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3400	$ns->fx_want ($k, $v);
3046	}	3401	}
3047	};	3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
3048		3413
3049	sub reload_regions {	3414	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3415	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3416	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3417	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3431	}
3067		3432
3068	sub reload_archetypes {	3433	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3434	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3435	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references
3072	# this really needs to be done in an extra post-pass
3073	# (which needs to be synchronous, so solve it differently)
3074	load_resource_file "$DATADIR/archetypes"
3075	or die "unable to load archetypes\n";
3076	}	3436	}
3077		3437
3078	sub reload_treasures {	3438	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3439	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3440	or die "unable to load treasurelists\n";
3081	}	3441	}
3082		3442
3083	sub reload_resources {	3443	sub reload_resources {
3084	warn "reloading resource files...\n";	3444	warn "reloading resource files...\n";
3085		3445
		3446	reload_facedata;
		3447	reload_archetypes;
3086	reload_regions;	3448	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3449	reload_treasures;
3091		3450
3092	warn "finished reloading resource files\n";	3451	warn "finished reloading resource files\n";
3093	}	3452	}
3094		3453
3095	sub init {
3096	reload_resources;
3097	}
3098
3099	sub reload_config {	3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
3101	or return;	3458	or return;
3102		3459
3103	local $/;	3460	local $/;
3104	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
3105		3462
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3107		3464
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3114	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
3115	};	3472	};
3116	warn $@ if $@;	3473	warn $@ if $@;
3117	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
3118	}	3505	}
3119		3506
3120	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
3121	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3525	(async {
3125	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
3127	};	3529	};
3128		3530
		3531	evthread_start IO::AIO::poll_fileno;
		3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
3129	reload_config;	3538	reload_config;
3130	db_init;	3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
3131	load_extensions;	3550	load_extensions;
3132		3551
3133	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
3134	Event::loop;	3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
3135	}	3562	}
3136		3563
3137	#############################################################################	3564	#############################################################################
3138	# initialisation and cleanup	3565	# initialisation and cleanup
3139		3566
3140	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
3141	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3144	reentrant => 0,
3145	data => WF_AUTOCANCEL,
3146	signal => $signal,
3147	prio => 0,
3148	cb => sub {
3149	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
3150	},
3151	);	3573	};
3152	}	3574	}
3153	}	3575	}
3154		3576
3155	sub write_runtime {	3577	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";
3157
3158	# first touch the runtime file to show we are still running:	3578	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3579	# the fsync below can take a very very long time.
3160		3580
3161	IO::AIO::aio_utime $runtime, undef, undef;	3581	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3582
3163	my $guard = cf::lock_acquire "write_runtime";	3583	my $guard = cf::lock_acquire "write_runtime";
3164		3584
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3585	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3166	or return;	3586	or return;
3167		3587
3168	my $value = $cf::RUNTIME + 90 + 10;	3588	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3589	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3590	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3600	aio_utime $fh, undef, undef;
3181		3601
3182	close $fh	3602	close $fh
3183	or return;	3603	or return;
3184		3604
3185	aio_rename "$runtime~", $runtime	3605	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3606	and return;
3187		3607
3188	warn "runtime file written.\n";	3608	warn "runtime file written.\n";
3189		3609
3190	1	3610	1
		3611	}
		3612
		3613	our $uuid_lock;
		3614	our $uuid_skip;
		3615
		3616	sub write_uuid_sync($) {
		3617	$uuid_skip ||= $_[0];
		3618
		3619	return if $uuid_lock;
		3620	local $uuid_lock = 1;
		3621
		3622	my $uuid = "$LOCALDIR/uuid";
		3623
		3624	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3625	or return;
		3626
		3627	my $value = uuid_seq uuid_cur;
		3628
		3629	unless ($value) {
		3630	warn "cowardly refusing to write zero uuid value!\n";
		3631	return;
		3632	}
		3633
		3634	my $value = uuid_str $value + $uuid_skip;
		3635	$uuid_skip = 0;
		3636
		3637	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3638	and return;
		3639
		3640	# always fsync - this file is important
		3641	aio_fsync $fh
		3642	and return;
		3643
		3644	close $fh
		3645	or return;
		3646
		3647	aio_rename "$uuid~", $uuid
		3648	and return;
		3649
		3650	warn "uuid file written ($value).\n";
		3651
		3652	1
		3653
		3654	}
		3655
		3656	sub write_uuid($$) {
		3657	my ($skip, $sync) = @_;
		3658
		3659	$sync ? write_uuid_sync $skip
		3660	: async { write_uuid_sync $skip };
3191	}	3661	}
3192		3662
3193	sub emergency_save() {	3663	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3664	my $freeze_guard = cf::freeze_mainloop;
3195		3665
3196	warn "enter emergency perl save\n";	3666	warn "emergency_perl_save: enter\n";
3197		3667
3198	cf::sync_job {	3668	cf::sync_job {
		3669	# this is a trade-off: we want to be very quick here, so
		3670	# save all maps without fsync, and later call a global sync
		3671	# (which in turn might be very very slow)
		3672	local $USE_FSYNC = 0;
		3673
3199	# use a peculiar iteration method to avoid tripping on perl	3674	# use a peculiar iteration method to avoid tripping on perl
3200	# refcount bugs in for. also avoids problems with players	3675	# refcount bugs in for. also avoids problems with players
3201	# and maps saved/destroyed asynchronously.	3676	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3677	warn "emergency_perl_save: begin player save\n";
3203	for my $login (keys %cf::PLAYER) {	3678	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3679	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3680	$pl->valid or next;
		3681	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3682	$pl->save;
3207	}	3683	}
3208	warn "end emergency player save\n";	3684	warn "emergency_perl_save: end player save\n";
3209		3685
3210	warn "begin emergency map save\n";	3686	warn "emergency_perl_save: begin map save\n";
3211	for my $path (keys %cf::MAP) {	3687	for my $path (keys %cf::MAP) {
3212	my $map = $cf::MAP{$path} or next;	3688	my $map = $cf::MAP{$path} or next;
3213	$map->valid or next;	3689	$map->valid or next;
3214	$map->save;	3690	$map->save;
3215	}	3691	}
3216	warn "end emergency map save\n";	3692	warn "emergency_perl_save: end map save\n";
3217		3693
3218	warn "begin emergency database checkpoint\n";	3694	warn "emergency_perl_save: begin database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3695	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3696	warn "emergency_perl_save: end database checkpoint\n";
		3697
		3698	warn "emergency_perl_save: begin write uuid\n";
		3699	write_uuid_sync 1;
		3700	warn "emergency_perl_save: end write uuid\n";
3221	};	3701	};
3222		3702
		3703	warn "emergency_perl_save: starting sync()\n";
		3704	IO::AIO::aio_sync sub {
		3705	warn "emergency_perl_save: finished sync()\n";
		3706	};
		3707
3223	warn "leave emergency perl save\n";	3708	warn "emergency_perl_save: leave\n";
3224	}	3709	}
3225		3710
3226	sub post_cleanup {	3711	sub post_cleanup {
3227	my ($make_core) = @_;	3712	my ($make_core) = @_;
3228		3713
3229	warn Carp::longmess "post_cleanup backtrace"	3714	warn Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3715	if $make_core;
		3716
		3717	my $fh = pidfile;
		3718	unlink $PIDFILE if <$fh> == $$;
		3719	}
		3720
		3721	# a safer delete_package, copied from Symbol
		3722	sub clear_package($) {
		3723	my $pkg = shift;
		3724
		3725	# expand to full symbol table name if needed
		3726	unless ($pkg =~ /^main::.*::$/) {
		3727	$pkg = "main$pkg" if $pkg =~ /^::/;
		3728	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3729	$pkg .= '::' unless $pkg =~ /::$/;
		3730	}
		3731
		3732	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3733	my $stem_symtab = *{$stem}{HASH};
		3734
		3735	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3736	or return;
		3737
		3738	# clear all symbols
		3739	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3740	for my $name (keys %$leaf_symtab) {
		3741	_gv_clear *{"$pkg$name"};
		3742	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3743	}
		3744	warn "cleared package $pkg\n";#d#
3231	}	3745	}
3232		3746
3233	sub do_reload_perl() {	3747	sub do_reload_perl() {
3234	# can/must only be called in main	3748	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
3236	warn "can only reload from main coroutine";	3750	warn "can only reload from main coroutine";
3237	return;	3751	return;
3238	}	3752	}
3239		3753
		3754	return if $RELOAD++;
		3755
		3756	my $t1 = EV::time;
		3757
		3758	while ($RELOAD) {
3240	warn "reloading...";	3759	warn "reloading...";
3241		3760
3242	warn "entering sync_job";	3761	warn "entering sync_job";
3243		3762
3244	cf::sync_job {	3763	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark	3764	cf::write_runtime_sync; # external watchdog should not bark
3246	cf::emergency_save;	3765	cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
3248		3767
3249	warn "syncing database to disk";	3768	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
3251		3770
3252	# if anything goes wrong in here, we should simply crash as we already saved	3771	# if anything goes wrong in here, we should simply crash as we already saved
3253		3772
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";	3773	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;	3774	while (IO::AIO::nreqs || BDB::nreqs) {
3265	warn "iterate...";	3775	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3266	}
3267
3268	++$RELOAD;
3269
3270	warn "cancelling all extension coros";
3271	$_->cancel for values %EXT_CORO;
3272	%EXT_CORO = ();
3273
3274	warn "removing commands";
3275	%COMMAND = ();
3276
3277	warn "removing ext/exti commands";
3278	%EXTCMD = ();
3279	%EXTICMD = ();
3280
3281	warn "unloading/nuking all extensions";
3282	for my $pkg (@EXTS) {
3283	warn "... unloading $pkg";
3284
3285	if (my $cb = $pkg->can ("unload")) {
3286	eval {
3287	$cb->($pkg);
3288	1
3289	} or warn "$pkg unloaded, but with errors: $@";
3290	}	3776	}
3291		3777
3292	warn "... nuking $pkg";	3778	warn "cancelling all extension coros";
3293	Symbol::delete_package $pkg;	3779	$_->cancel for values %EXT_CORO;
3294	}	3780	%EXT_CORO = ();
3295		3781
3296	warn "unloading all perl modules loaded from $LIBDIR";	3782	warn "removing commands";
3297	while (my ($k, $v) = each %INC) {	3783	%COMMAND = ();
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		3784
		3785	warn "removing ext/exti commands";
		3786	%EXTCMD = ();
		3787	%EXTICMD = ();
		3788
		3789	warn "unloading/nuking all extensions";
		3790	for my $pkg (@EXTS) {
3300	warn "... unloading $k";	3791	warn "... unloading $pkg";
3301	delete $INC{$k};
3302		3792
3303	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;
3305
3306	if (my $cb = $k->can ("unload_module")) {	3793	if (my $cb = $pkg->can ("unload")) {
		3794	eval {
3307	$cb->();	3795	$cb->($pkg);
		3796	1
		3797	} or warn "$pkg unloaded, but with errors: $@";
		3798	}
		3799
		3800	warn "... clearing $pkg";
		3801	clear_package $pkg;
3308	}	3802	}
3309		3803
3310	Symbol::delete_package $k;	3804	warn "unloading all perl modules loaded from $LIBDIR";
		3805	while (my ($k, $v) = each %INC) {
		3806	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3807
		3808	warn "... unloading $k";
		3809	delete $INC{$k};
		3810
		3811	$k =~ s/\.pm$//;
		3812	$k =~ s/\//::/g;
		3813
		3814	if (my $cb = $k->can ("unload_module")) {
		3815	$cb->();
		3816	}
		3817
		3818	clear_package $k;
3311	}	3819	}
3312		3820
3313	warn "getting rid of safe::, as good as possible";	3821	warn "getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	3822	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3823	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		3824
3317	warn "unloading cf.pm \"a bit\"";	3825	warn "unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	3826	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	3827	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3320		3828
3321	# don't, removes xs symbols, too,	3829	# don't, removes xs symbols, too,
3322	# and global variables created in xs	3830	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	3831	#clear_package __PACKAGE__;
3324		3832
3325	warn "unload completed, starting to reload now";	3833	warn "unload completed, starting to reload now";
3326		3834
3327	warn "reloading cf.pm";	3835	warn "reloading cf.pm";
3328	require cf;	3836	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3837	cf::_connect_to_perl_1;
3330		3838
3331	warn "loading config and database again";	3839	warn "loading config and database again";
3332	cf::reload_config;	3840	cf::reload_config;
3333		3841
3334	warn "loading extensions";	3842	warn "loading extensions";
3335	cf::load_extensions;	3843	cf::load_extensions;
3336		3844
		3845	if ($REATTACH_ON_RELOAD) {
3337	warn "reattaching attachments to objects/players";	3846	warn "reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	3847	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	3848	warn "reattaching attachments to maps";
3340	reattach $_ for values %MAP;	3849	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	3850	warn "reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	3851	reattach $_ for values %PLAYER;
		3852	}
3343		3853
		3854	warn "running post_init jobs";
		3855	(pop @POST_INIT)->(1) while @POST_INIT;
		3856
3344	warn "leaving sync_job";	3857	warn "leaving sync_job";
3345		3858
3346	1	3859	1
3347	} or do {	3860	} or do {
3348	warn $@;	3861	warn $@;
3349	warn "error while reloading, exiting.";	3862	cf::cleanup "error while reloading, exiting.";
3350	exit 1;
3351	};	3863	};
3352		3864
3353	warn "reloaded";	3865	warn "reloaded";
		3866	--$RELOAD;
		3867	}
		3868
		3869	$t1 = EV::time - $t1;
		3870	warn "reload completed in ${t1}s\n";
3354	};	3871	};
3355		3872
3356	our $RELOAD_WATCHER; # used only during reload	3873	our $RELOAD_WATCHER; # used only during reload
3357		3874
3358	sub reload_perl() {	3875	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	3876	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	3877	# coro crashes during coro_state_free->destroy here.
3361		3878
3362	$RELOAD_WATCHER ||= Event->timer (	3879	$RELOAD_WATCHER ||= cf::async {
3363	reentrant => 0,	3880	Coro::AIO::aio_wait cache_extensions;
3364	after => 0,	3881
3365	data => WF_AUTOCANCEL,	3882	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3366	cb => sub {
3367	do_reload_perl;	3883	do_reload_perl;
3368	undef $RELOAD_WATCHER;	3884	undef $RELOAD_WATCHER;
3369	},	3885	};
3370	);	3886	};
3371	}	3887	}
3372		3888
3373	register_command "reload" => sub {	3889	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	3890	my ($who, $arg) = @_;
3375		3891
3376	if ($who->flag (FLAG_WIZ)) {	3892	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	3893	$who->message ("reloading server.");
		3894	async {
		3895	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	3896	reload_perl;
		3897	};
3379	}	3898	}
3380	};	3899	};
3381		3900
3382	unshift @INC, $LIBDIR;	3901	unshift @INC, $LIBDIR;
3383		3902
…		…
3385		3904
3386	our @WAIT_FOR_TICK;	3905	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;	3906	our @WAIT_FOR_TICK_BEGIN;
3388		3907
3389	sub wait_for_tick {	3908	sub wait_for_tick {
3390	return unless $TICK_WATCHER->is_active;
3391	return if $Coro::current == $Coro::main;	3909	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3392		3910
3393	my $signal = new Coro::Signal;	3911	my $signal = new Coro::Signal;
3394	push @WAIT_FOR_TICK, $signal;	3912	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;	3913	$signal->wait;
3396	}	3914	}
3397		3915
3398	sub wait_for_tick_begin {	3916	sub wait_for_tick_begin {
3399	return unless $TICK_WATCHER->is_active;
3400	return if $Coro::current == $Coro::main;	3917	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3401		3918
3402	my $signal = new Coro::Signal;	3919	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	3920	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	3921	$signal->wait;
3405	}	3922	}
3406		3923
3407	my $min = 1e6;#d#	3924	sub tick {
3408	my $avg = 10;
3409	$TICK_WATCHER = Event->timer (
3410	reentrant => 0,
3411	parked => 1,
3412	prio => 0,
3413	at => $NEXT_TICK || $TICK,
3414	data => WF_AUTOCANCEL,
3415	cb => sub {
3416	if ($Coro::current != $Coro::main) {	3925	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3926	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	3927	unless ++$bug_warning > 10;
3419	return;	3928	return;
3420	}	3929	}
3421		3930
3422	$NOW = $tick_start = Event::time;
3423
3424	cf::server_tick; # one server iteration	3931	cf::server_tick; # one server iteration
3425		3932
3426	0 && sync_job {#d#	3933	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3427	for(1..10) {
3428	my $t = Event::time;
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3430	or die;
3431		3934
3432	$map->width (50);	3935	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3433	$map->height (50);	3936	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3434	$map->alloc;	3937	Coro::async_pool {
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	3938	$Coro::current->{desc} = "runtime saver";
3436	my $t = Event::time - $t;	3939	write_runtime_sync
3437		3940	or warn "ERROR: unable to write runtime file: $!";
3438	#next unless $t < 0.0013;#d#
3439	if ($t < $min) {
3440	$min = $t;
3441	}
3442	$avg = $avg * 0.99 + $t * 0.01;
3443	}
3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445	exit 0;
3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447	};	3941	};
		3942	}
3448		3943
3449	$RUNTIME += $TICK;
3450	$NEXT_TICK += $TICK;
3451
3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
3454	Coro::async_pool {
3455	write_runtime
3456	or warn "ERROR: unable to write runtime file: $!";
3457	};
3458	}
3459
3460	# my $AFTER = Event::time;
3461	# warn $AFTER - $NOW;#d#
3462
3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3944	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	3945	$sig->send;
3465	}	3946	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	3947	while (my $sig = shift @WAIT_FOR_TICK) {
3467	$sig->send;	3948	$sig->send;
3468	}	3949	}
3469		3950
3470	$NOW = Event::time;	3951	$LOAD = ($NOW - $TICK_START) / $TICK;
3471
3472	# if we are delayed by four ticks or more, skip them all
3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3474
3475	$TICK_WATCHER->at ($NEXT_TICK);
3476	$TICK_WATCHER->start;
3477
3478	$LOAD = ($NOW - $tick_start) / $TICK;
3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3952	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		3953
3481	_post_tick;	3954	if (0) {
3482		3955	if ($NEXT_TICK) {
3483		3956	my $jitter = $TICK_START - $NEXT_TICK;
		3957	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3958	warn "jitter $JITTER\n";#d#
		3959	}
3484	},	3960	}
3485	);	3961	}
3486		3962
3487	{	3963	{
3488	BDB::max_poll_time $TICK * 0.1;	3964	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	3965
3490	reentrant => 0,
3491	fd => BDB::poll_fileno,
3492	poll => 'r',
3493	prio => 0,
3494	data => WF_AUTOCANCEL,
3495	cb => \&BDB::poll_cb,
3496	);
3497	BDB::min_parallel 8;	3966	BDB::min_parallel 16;
3498		3967	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	3968	$AnyEvent::BDB::WATCHER->priority (1);
3500	my $status;
3501	my $current = $Coro::current;
3502	(
3503	sub {
3504	$status = $!;
3505	$current->ready; undef $current;
3506	},
3507	sub {
3508	Coro::schedule while defined $current;
3509	$! = $status;
3510	},
3511	)
3512	};
3513		3969
3514	unless ($DB_ENV) {	3970	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	3971	$DB_ENV = BDB::db_env_create;
		3972	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3973	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3974	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3975	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3976	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		3977
3517	cf::sync_job {	3978	cf::sync_job {
3518	eval {	3979	eval {
3519	BDB::db_env_open	3980	BDB::db_env_open
3520	$DB_ENV,	3981	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3983	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3984	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	3985	0666;
3525		3986
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3987	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3527
3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3529	$DB_ENV->set_lk_detect;
3530	};	3988	};
3531		3989
3532	cf::cleanup "db_env_open(db): $@" if $@;	3990	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	3991	};
3534	}	3992	}
		3993
		3994	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3995	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3996	};
		3997	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3998	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3999	};
		4000	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4001	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4002	};
3535	}	4003	}
3536		4004
3537	{	4005	{
		4006	# configure IO::AIO
		4007
3538	IO::AIO::min_parallel 8;	4008	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	4009	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	4010	undef $AnyEvent::AIO::WATCHER;
3543	reentrant => 0,
3544	data => WF_AUTOCANCEL,
3545	fd => IO::AIO::poll_fileno,
3546	poll => 'r',
3547	prio => 6,
3548	cb => \&IO::AIO::poll_cb,
3549	);
3550	}	4011	}
3551		4012
3552	my $_log_backtrace;	4013	my $_log_backtrace;
3553		4014
3554	sub _log_backtrace {	4015	sub _log_backtrace {
…		…
3557	$msg =~ s/\n//;	4018	$msg =~ s/\n//;
3558		4019
3559	# limit the # of concurrent backtraces	4020	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	4021	if ($_log_backtrace < 2) {
3561	++$_log_backtrace;	4022	++$_log_backtrace;
		4023	my $perl_bt = Carp::longmess $msg;
3562	async {	4024	async {
		4025	$Coro::current->{desc} = "abt $msg";
		4026
3563	my @bt = fork_call {	4027	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	4028	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4029	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4030	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	4031	or die "addr2line: $!";
…		…
3575	}	4039	}
3576		4040
3577	@funcs	4041	@funcs
3578	};	4042	};
3579		4043
3580	LOG llevInfo, "[ABT] $msg\n";	4044	LOG llevInfo, "[ABT] $perl_bt\n";
		4045	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	4046	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	4047	--$_log_backtrace;
3583	};	4048	};
3584	} else {	4049	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	4050	LOG llevInfo, "[ABT] $msg\n";
3586	LOG llevInfo, "[ABT] [suppressed]\n";	4051	LOG llevInfo, "[ABT] [suppressed]\n";
3587	}	4052	}
3588	}	4053	}
3589		4054
3590	# load additional modules	4055	# load additional modules
3591	use cf::pod;	4056	require "cf/$_.pm" for @EXTRA_MODULES;
		4057	cf::_connect_to_perl_2;
3592		4058
3593	END { cf::emergency_save }	4059	END { cf::emergency_save }
3594		4060
3595	1	4061	1
3596		4062

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