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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 1.507 by root, Sat Mar 20 02:24:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.64 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
86		124
87	our %CFG;	125	our %CFG;
88		126
89	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
91		130
92	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
95		134
96	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		137
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
102		147
103	binmode STDOUT;	148	binmode STDOUT;
104	binmode STDERR;	149	binmode STDERR;
105		150
106	# read virtual server time, if available	151	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
111	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
112		159
113	mkdir $_	160	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		162
116	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
117		164
118	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		177
120	#############################################################################	178	#############################################################################
121		179
122	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
123		181
…		…
159		217
160	The raw value load value from the last tick.	218	The raw value load value from the last tick.
161		219
162	=item %cf::CFG	220	=item %cf::CFG
163		221
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	223	from wherever your confdir points to.
166		224
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		226
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		230
173	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
174		232
175	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	235	that call.
178		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
179	=back	243	=back
180		244
181	=cut	245	=cut
182		246
183	BEGIN {	247	$Coro::State::WARNHOOK = sub {
184	*CORE::GLOBAL::warn = sub {
185	my $msg = join "", @_;	248	my $msg = join "", @_;
186		249
187	$msg .= "\n"	250	$msg .= "\n"
188	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
189		252
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		254
192	utf8::encode $msg;
193	LOG llevError, $msg;	255	LOG llevError, $msg;
194	};	256	};
195	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
196		271
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	282	for my $pkg (qw(
208	cf::global cf::attachable	283	cf::global cf::attachable
209	cf::object cf::object::player	284	cf::object cf::object::player
210	cf::client cf::player	285	cf::client cf::player
211	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
212	cf::map cf::party cf::region	288	cf::party cf::region
213	)) {	289	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	291	}
217		292
218	$Event::DIED = sub {	293	$EV::DIED = sub {
219	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
220	};	295	};
221		296
222	#############################################################################	297	#############################################################################
223		298
224	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	322	$d
248	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
249	}	324	}
250		325
251	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
252		327
253	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
254		329
255	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
256		331
257	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
258		333
259	=cut	334	=cut
260		335
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		337
263	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
265		354
266	=item cf::lock_wait $string	355	=item cf::lock_wait $string
267		356
268	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
269		358
270	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
271		360
272	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
275	returned.	364	returned.
276		365
277	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	367	deadlocked coro.
…		…
284		373
285	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
286		375
287	=cut	376	=cut
288		377
289	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
290		379
291	sub lock_wait($) {	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
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1940	sub customise_for {	2101	sub customise_for {
1941	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1942		2103
1943	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1944	if $self->per_player;	2105	if $self->per_player;
…		…
1997	my ($path, $origin, $load) = @_;	2158	my ($path, $origin, $load) = @_;
1998		2159
1999	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
2000		2161
2001	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2164	}
2004		2165
2005	$MAP_PREFETCH{$path} |= $load;	2166	$MAP_PREFETCH{$path} |= $load;
2006		2167
2007	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
2008	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2173	if (my $map = find $k) {
2011	$map->load if $v;	2174	$map->load if $v;
2012	}	2175	}
…		…
2038	return if $self->{deny_save};	2201	return if $self->{deny_save};
2039		2202
2040	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
2041		2204
2042	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2044	};	2208	};
		2209
		2210	cf::get_slot 0.02;
2045		2211
2046	if ($uniq) {	2212	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2215	} else {
…		…
2058	$self->save;	2224	$self->save;
2059		2225
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2227
2062	return if $self->players;	2228	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2064	return if $self->{deny_save};	2230	return if $self->{deny_save};
2065		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
2066	$self->clear;	2236	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2237	}
2069		2238
2070	sub reset_at {	2239	sub reset_at {
2071	my ($self) = @_;	2240	my ($self) = @_;
2072		2241
…		…
2090		2259
2091	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2092		2261
2093	return if $self->players;	2262	return if $self->players;
2094		2263
2095	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2096		2265
2097	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2098		2267
2099	# need to save uniques path	2268	# need to save uniques path
2100	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2104	if $uniq;	2273	if $uniq;
2105	}	2274	}
2106		2275
2107	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2108		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2280	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2281
2113	$self->unlink_save;	2282	$self->unlink_save;
2114	$self->destroy;	2283	$self->destroy;
2115	}	2284	}
2116		2285
…		…
2183		2352
2184	sub unique_maps() {	2353	sub unique_maps() {
2185	[	2354	[
2186	map {	2355	map {
2187	utf8::decode $_;	2356	utf8::decode $_;
2188	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2189	? normalise $_	2360	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2362	]
2193	}	2363	}
2194		2364
2195	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2196		2396
2197	=back	2397	=back
2198		2398
2199	=head3 cf::object	2399	=head3 cf::object
2200		2400
…		…
2204		2404
2205	=over 4	2405	=over 4
2206		2406
2207	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2208		2408
2209	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2210		2411
2211	=cut	2412	=cut
2212		2413
2213	sub inv_recursive_;	2414	sub inv_recursive_;
2214	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2220	}	2421	}
2221		2422
2222	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2223		2424
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2426
2226	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2227		2428
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2231	=cut	2432	=cut
2232		2433
2233	sub deref {	2434	sub deref {
2234	my ($ref) = @_;	2435	my ($ref) = @_;
2235		2436
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2438	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2440	or return;
2243	$pl->ob->uuid eq $uuid	2441	$pl->ob->uuid eq $uuid
2244	or return;	2442	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2266		2464
2267	=cut	2465	=cut
2268		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2269	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2482	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2498
2287	} else {	2499	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2502	}
2291	}	2503	}
2292	}	2504	}
2293		2505
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2531
2320	=item $player_object->enter_link	2532	=item $player_object->enter_link
2321		2533
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2535
2324	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2326		2540
2327	Will never block.	2541	Will never block.
2328		2542
2329	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2330		2544
…		…
2382	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2383	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2384		2598
2385	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2386	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2387	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2388		2602
2389	$map->load;	2603	$map->load;
2390	$map->load_neighbours;	2604	$map->load_neighbours;
2391		2605
2392	return unless $self->contr->active;	2606	return unless $self->contr->active;
2393	$self->activate_recursive;
2394		2607
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2397	}	2613	}
2398		2614
2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2400		2616
2401	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2402	her, loading and preparing them map, calling the provided $check callback	2618	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	2619	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	2620	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2621	be called at the end of this process.
2406		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
		2625
2407	=cut	2626	=cut
2408		2627
2409	our $GOTOGEN;	2628	our $GOTOGEN;
2410		2629
2411	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
…		…
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2635
2417	$self->enter_link;	2636	$self->enter_link;
2418		2637
2419	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2420	my $map = eval {	2660	my $map = eval {
2421	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2422		2662
2423	if ($map) {	2663	if ($map) {
2424	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2426	} else {	2666	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2668	}
2429		2669
2430	$map	2670	$map
2431	};	2671	};
2432		2672
…		…
2468	}	2708	}
2469		2709
2470	sub prepare_random_map {	2710	sub prepare_random_map {
2471	my ($exit) = @_;	2711	my ($exit) = @_;
2472		2712
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2715	# that depends on the exit object
2478		2716
2479	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2719	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2486	}	2726	}
2487		2727
2488	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2489		2729
2490	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2493		2733
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2736	undef $fh;
2497	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2498		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2501	}	2745	}
2502	}	2746	}
2503		2747
2504	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2506		2750
2507	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2508		2752
2509	if ($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;	2753	$self->enter_link;
2521		2754
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 {	2755	(async {
2527	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2528	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2529	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2530		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2531	1;	2779	1
2532	}) {	2780	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2785
2538	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2555	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2556	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2557		2805
2558	utf8::encode $text;	2806	utf8::encode $text;
2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2560	}	2833	}
2561		2834
2562	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2563		2836
2564	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2568		2841
2569	=cut	2842	=cut
2570		2843
		2844	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2572	"c/identify" => {	2852	"c/identify" => {
2573	id => "identify",	2853	id => "infobox",
2574	title => "Identify",	2854	title => "Identify",
2575	reply => undef,	2855	reply => undef,
2576	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
2577	},	2857	},
2578	"c/examine" => {	2858	"c/examine" => {
2579	id => "examine",	2859	id => "infobox",
2580	title => "Examine",	2860	title => "Examine",
2581	reply => undef,	2861	reply => undef,
2582	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
2583	},	2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2584	);	2956	);
2585		2957
2586	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2588		2960
2589	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2590		2963
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		2965
2593	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
2595		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2596	if (ref $channel) {	2973	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2601	if $self->can_msg;
2602	}	2978	}
2603		2979
2604	$channel = $channel->{id};	2980	$channel = $channel->{id};
2605	}	2981	}
2606		2982
2607	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2608		2984
2609	if ($self->can_msg) {
2610	# default colour, mask it out	2985	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2613		2988
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2616	} else {	2992	);
2617	if ($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		2993
2628	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($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	}	2995	}
2642		2996
2643	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2644		2998
2645	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2648		3002
2649	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2650	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2651		3005
2652	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2655	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657	}	3011	}
2658	}	3012	}
2659		3013
2660	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2661		3015
…		…
2665		3019
2666	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2667	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2668		3022
2669	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2672	#TODO: version 1, remove	3026	#TODO: version 1, remove
2673	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675	}	3029	}
2676	}	3030	}
2677		3031
2678	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2679		3033
…		…
2806	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2807		3161
2808	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2809		3163
2810	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
2811	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
2812	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
2813	sort time	3167	sort time
2814	));	3168	));
2815		3169
2816	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
2818	=pod	3172	=pod
2819		3173
2820	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2821		3175
2822	cf::object	3176	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
2825		3180
2826	cf::object::player	3181	cf::object::player
2827	player	3182	player
2828		3183
2829	cf::player	3184	cf::player
…		…
2834		3189
2835	=cut	3190	=cut
2836		3191
2837	for (	3192	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3195	decrease split destroy change_exp value msg lore send_msg)],
2841	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2843	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2844	) {	3199	) {
2845	no strict 'refs';	3200	no strict 'refs';
2846	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2847	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2865		3220
2866	my $qcode = $code;	3221	my $qcode = $code;
2867	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2868	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2869		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2870	local $_;	3228	local $_;
2871	local @safe::cf::_safe_eval_args = values %vars;
2872		3229
2873	my $eval =	3230	my $eval =
2874	"do {\n"	3231	"do {\n"
2875	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2876	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2877	. $code	3234	. $code
2878	. "\n}"	3235	. "\n}"
2879	;	3236	;
2880		3237
		3238	if ($CFG{safe_eval}) {
2881	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2882	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2883	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2884		3247
2885	if ($@) {	3248	if ($@) {
2886	warn "$@";	3249	warn "$@";
2887	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2888	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2907	=cut	3270	=cut
2908		3271
2909	sub register_script_function {	3272	sub register_script_function {
2910	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2911		3274
2912	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2913	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2914	}	3277	}
2915		3278
2916	=back	3279	=back
2917		3280
2918	=cut	3281	=cut
…		…
2939		3302
2940	$facedata->{version} == 2	3303	$facedata->{version} == 2
2941	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2942		3305
2943	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2944	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
2945	type => FT_RSRC,	3309	type => FT_RSRC,
2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
2947	};	3312	};
2948	cf::cede_to_tick;	3313	cf::cede_to_tick;
2949		3314
2950	{	3315	{
2951	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2952		3317
2953	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2955	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2959		3325
2960	cf::cede_to_tick;	3326	cf::cede_to_tick;
2961	}	3327	}
2962		3328
2963	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2965	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2966	or next;	3333	or next;
		3334
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3338	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2985		3353
2986	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2987	}	3355	}
2988		3356
2989	{	3357	{
2990	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
2993		3359
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;
2999		3363
3000	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3001	# prepend meta info	3365	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 {	3366	} else {
3010	$data = $info->{data};	3367	$RESOURCE{$name} = $info;
3011	}	3368	}
3012		3369
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;	3370	cf::cede_to_tick;
3017	}	3371	}
3018
3019	if ($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	}	3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3375
3038	1	3376	1
3039	}	3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
3040		3398
3041	register_exticmd fx_want => sub {	3399	register_exticmd fx_want => sub {
3042	my ($ns, $want) = @_;	3400	my ($ns, $want) = @_;
3043		3401
3044	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3046	}	3404	}
3047	};	3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
3048		3416
3049	sub reload_regions {	3417	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3419	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3434	}
3067		3435
3068	sub reload_archetypes {	3436	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references
3072	# this really needs to be done in an extra post-pass
3073	# (which needs to be synchronous, so solve it differently)
3074	load_resource_file "$DATADIR/archetypes"
3075	or die "unable to load archetypes\n";
3076	}	3439	}
3077		3440
3078	sub reload_treasures {	3441	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3081	}	3444	}
3082		3445
3083	sub reload_resources {	3446	sub reload_resources {
3084	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3085		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3086	reload_regions;	3451	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3452	reload_treasures;
3091		3453
3092	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3093	}	3455	}
3094		3456
3095	sub init {
3096	reload_resources;
3097	}
3098
3099	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3101	or return;	3461	or return;
3102		3462
3103	local $/;	3463	local $/;
3104	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3105		3465
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3107		3467
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3114	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3115	};	3475	};
3116	warn $@ if $@;	3476	warn $@ if $@;
3117	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3118	}	3508	}
3119		3509
3120	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3121	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3528	(async {
3125	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3127	};	3532	};
3128		3533
		3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3129	reload_config;	3541	reload_config;
3130	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3131	load_extensions;	3553	load_extensions;
3132		3554
3133	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
3134	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3135	}	3565	}
3136		3566
3137	#############################################################################	3567	#############################################################################
3138	# initialisation and cleanup	3568	# initialisation and cleanup
3139		3569
3140	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
3141	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3574	$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";	3575	cf::cleanup "SIG$signal";
3150	},
3151	);	3576	};
3152	}	3577	}
3153	}	3578	}
3154		3579
3155	sub write_runtime {	3580	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
3157		3582
3158	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3160		3585
3161	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3587
3163	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3164		3589
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3166	or return;	3591	or return;
3167		3592
3168	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3181		3606
3182	close $fh	3607	close $fh
3183	or return;	3608	or return;
3184		3609
3185	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3611	and return;
3187		3612
3188	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3189		3614
3190	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3191	}	3666	}
3192		3667
3193	sub emergency_save() {	3668	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3195		3670
3196	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3197		3672
3198	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3199	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3200	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3201	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3203	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3687	$pl->save;
3207	}	3688	}
3208	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3209		3690
3210	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3211	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3212	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3213	$map->valid or next;	3694	$map->valid or next;
3214	$map->save;	3695	$map->save;
3215	}	3696	}
3216	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3217		3698
3218	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3221	};	3706	};
3222		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3223	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3224	}	3714	}
3225		3715
3226	sub post_cleanup {	3716	sub post_cleanup {
3227	my ($make_core) = @_;	3717	my ($make_core) = @_;
3228		3718
3229	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3231	}	3750	}
3232		3751
3233	sub do_reload_perl() {	3752	sub do_reload_perl() {
3234	# can/must only be called in main	3753	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3236	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3237	return;	3756	return;
3238	}	3757	}
3239		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3240	warn "reloading...";	3764	warn "reloading...";
3241		3765
3242	warn "entering sync_job";	3766	warn "entering sync_job";
3243		3767
3244	cf::sync_job {	3768	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3246	cf::emergency_save;	3770	cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3248		3772
3249	warn "syncing database to disk";	3773	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3251		3775
3252	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3253		3777
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";	3778	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;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3265	warn "iterate...";	3780	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	}	3781	}
3291		3782
3292	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3293	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3294	}	3785	%EXT_CORO = ();
3295		3786
3296	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3297	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3300	warn "... unloading $k";	3796	warn "... unloading $pkg";
3301	delete $INC{$k};
3302		3797
3303	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;
3305
3306	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3307	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3308	}	3807	}
3309		3808
3310	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3311	}	3824	}
3312		3825
3313	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		3829
3317	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3320		3833
3321	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3322	# and global variables created in xs	3835	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3324		3837
3325	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3326		3839
3327	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3328	require cf;	3841	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3330		3843
3331	warn "loading config and database again";	3844	warn "loading config and database again";
3332	cf::reload_config;	3845	cf::reload_config;
3333		3846
3334	warn "loading extensions";	3847	warn "loading extensions";
3335	cf::load_extensions;	3848	cf::load_extensions;
3336		3849
		3850	if ($REATTACH_ON_RELOAD) {
3337	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3340	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3343		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3344	warn "leaving sync_job";	3862	warn "leaving sync_job";
3345		3863
3346	1	3864	1
3347	} or do {	3865	} or do {
3348	warn $@;	3866	warn $@;
3349	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3350	exit 1;
3351	};	3868	};
3352		3869
3353	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3354	};	3876	};
3355		3877
3356	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3357		3879
3358	sub reload_perl() {	3880	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3361		3883
3362	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3363	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3364	after => 0,	3886
3365	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3366	cb => sub {
3367	do_reload_perl;	3888	do_reload_perl;
3368	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3369	},	3890	};
3370	);	3891	};
3371	}	3892	}
3372		3893
3373	register_command "reload" => sub {	3894	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3375		3896
3376	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	3901	reload_perl;
		3902	};
3379	}	3903	}
3380	};	3904	};
3381		3905
3382	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3383		3907
…		…
3385		3909
3386	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3388		3912
3389	sub wait_for_tick {	3913	sub wait_for_tick {
3390	return unless $TICK_WATCHER->is_active;
3391	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3392		3915
3393	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3394	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;	3918	$signal->wait;
3396	}	3919	}
3397		3920
3398	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3399	return unless $TICK_WATCHER->is_active;
3400	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3401		3923
3402	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	3926	$signal->wait;
3405	}	3927	}
3406		3928
3407	my $min = 1e6;#d#	3929	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) {	3930	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3419	return;	3933	return;
3420	}	3934	}
3421		3935
3422	$NOW = $tick_start = Event::time;
3423
3424	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3425		3937
3426	0 && sync_job {#d#	3938	#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		3939
3432	$map->width (50);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3433	$map->height (50);	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3434	$map->alloc;	3942	Coro::async_pool {
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	3943	$Coro::current->{desc} = "runtime saver";
3436	my $t = Event::time - $t;	3944	write_runtime_sync
3437		3945	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	};	3946	};
		3947	}
3448		3948
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) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	3950	$sig->send;
3465	}	3951	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3467	$sig->send;	3953	$sig->send;
3468	}	3954	}
3469		3955
3470	$NOW = Event::time;	3956	$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;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		3958
3481	_post_tick;	3959	if (0) {
3482		3960	if ($NEXT_TICK) {
3483		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3484	},	3965	}
3485	);	3966	}
3486		3967
3487	{	3968	{
3488	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	3970
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;	3971	BDB::min_parallel 16;
3498		3972	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	3973	$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		3974
3514	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		3982
3517	cf::sync_job {	3983	cf::sync_job {
3518	eval {	3984	eval {
3519	BDB::db_env_open	3985	BDB::db_env_open
3520	$DB_ENV,	3986	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	3990	0666;
3525		3991
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	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	};	3993	};
3531		3994
3532	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	3996	};
3534	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
3535	}	4008	}
3536		4009
3537	{	4010	{
		4011	# configure IO::AIO
		4012
3538	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	4015	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	}	4016	}
3551		4017
3552	my $_log_backtrace;	4018	my $_log_backtrace;
3553		4019
3554	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3557	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3558		4024
3559	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3561	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3562	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3563	my @bt = fork_call {	4032	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3575	}	4044	}
3576		4045
3577	@funcs	4046	@funcs
3578	};	4047	};
3579		4048
3580	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	4052	--$_log_backtrace;
3583	};	4053	};
3584	} else {	4054	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3586	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3587	}	4057	}
3588	}	4058	}
3589		4059
3590	# load additional modules	4060	# load additional modules
3591	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3592		4063
3593	END { cf::emergency_save }	4064	END { cf::emergency_save }
3594		4065
3595	1	4066	1
3596		4067

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