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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC vs.
Revision 1.502 by root, Sat Jan 23 20:24:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # 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) = @_;
483		578
484	# we seemingly have to make a local copy of the whole thing,	579	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	580	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	581	# TODO: investigate and fix (likely this will be rather laborious)
487		582
488	my @res = Coro::Util::fork_eval {	583	my @res = Coro::Util::fork_eval {
489	reset_signals;	584	reset_signals;
490	&$cb	585	&$cb
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 || {} });
…		…
1007	sub object_freezer_save {	1172	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1009		1174
1010	sync_job {	1175	sync_job {
1011	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1014		1180
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	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	}
1019	close $fh;	1188	aio_close $fh;
1020		1189
1021	if (@$objs) {	1190	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1026	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	}
1027	close $fh;	1199	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1201	}
1030	} else {	1202	} else {
1031	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1032	}	1204	}
1033		1205
1034	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1210	} else {
1036	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1037	}	1212	}
1038	} else {	1213	} else {
1039	aio_unlink $filename;	1214	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1041	}	1216	}
1042	}	1217	};
1043	}	1218	}
1044		1219
1045	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1047		1222
…		…
1059	or return;	1234	or return;
1060		1235
1061	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1238	or return;
		1239
1064	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1065	}	1242	}
1066		1243
		1244	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1069	return ($data, $av);	1248	($data, $av)
1070	}	1249	}
1071		1250
1072	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1073		1252
1074	=over 4	1253	=over 4
…		…
1128	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1129		1308
1130	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1131	}	1310	}
1132		1311
		1312	use File::Glob ();
		1313
1133	cf::player->attach (	1314	cf::player->attach (
1134	on_command => sub {	1315	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1136		1317
1137	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1169		1350
1170	cf::override;	1351	cf::override;
1171	},	1352	},
1172	);	1353	);
1173		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
1174	sub load_extensions {	1368	sub load_extensions {
1175	cf::sync_job {	1369	cf::sync_job {
1176	my %todo;	1370	my %todo;
1177		1371
1178	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1391
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1394
1201	$ext{source} =	1395	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1204	. $source	1398	. $source
1205	. "\n};\n1";	1399	. "\n};\n1";
1206		1400
1207	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1417	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1418	: "$v->{base}: extension inactive.\n";
1225		1419
1226	if (exists $v->{meta}{mandatory}) {	1420	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1421	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1422	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1423	}
1231		1424
1232	warn $msg;	1425	warn $msg;
1233	}	1426	}
1234		1427
…		…
1248		1441
1249	=back	1442	=back
1250		1443
1251	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
1252		1445
1253	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
1254		1447
1255	=cut	1448	=cut
1256		1449
1257	package cf::player;	1450	package cf::player;
1258		1451
1259	use Coro::AIO;	1452	use Coro::AIO;
1260		1453
1261	=head3 cf::player	1454	=head3 cf::player
1262		1455
1263	=over 4	1456	=over 4
		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
1264		1471
1265	=item cf::player::find $login	1472	=item cf::player::find $login
1266		1473
1267	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
1268		1475
…		…
1287		1494
1288	sub exists($) {	1495	sub exists($) {
1289	my ($login) = @_;	1496	my ($login) = @_;
1290		1497
1291	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1499	or !aio_stat path $login
1293	}	1500	}
1294		1501
1295	sub find($) {	1502	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1504	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1514	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1515
1309	my $pl = load_pl path $login	1516	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1524	$cf::PLAYER{$login} = $pl
1312	}	1525	}
1313	}	1526	}
1314	}	1527	}
1315		1528
…		…
1323		1536
1324	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
1325		1538
1326	aio_mkdir playerdir $pl, 0770;	1539	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
		1541
		1542	cf::get_slot 0.01;
1328		1543
1329	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1545	cf::cede_to_tick;
1331	}	1546	}
1332		1547
…		…
1364	my ($pl) = @_;	1579	my ($pl) = @_;
1365		1580
1366	my $name = $pl->ob->name;	1581	my $name = $pl->ob->name;
1367		1582
1368	$pl->{deny_save} = 1;	1583	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1585
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1591	$pl->ns->destroy if $pl->ns;
1375		1592
1376	my $path = playerdir $pl;	1593	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1594	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1630	or return [];
1414		1631
1415	my @logins;	1632	my @logins;
1416		1633
1417	for my $login (@$dirs) {	1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1641	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
1421		1644
1422	utf8::decode $login;	1645	utf8::decode $login;
1423	push @logins, $login;	1646	push @logins, $login;
1424	}	1647	}
1425		1648
…		…
1452	}	1675	}
1453		1676
1454	\@paths	1677	\@paths
1455	}	1678	}
1456		1679
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1681
1459	Expand crossfire pod fragments into protocol xml.	1682	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1683
1507	=item $player->ext_reply ($msgid, @msg)	1684	=item $player->ext_reply ($msgid, @msg)
1508		1685
1509	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1510		1687
…		…
1577	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1579		1756
1580	sub generate_random_map {	1757	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1761
1582	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1763	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1888
1709	# the temporary/swap location	1889	# the temporary/swap location
1710	sub save_path {	1890	sub save_path {
1711	my ($self) = @_;	1891	my ($self) = @_;
1712		1892
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1894	"$TMPDIR/$path.map"
1715	}	1895	}
1716		1896
1717	# the unique path, undef == no special unique path	1897	# the unique path, undef == no special unique path
1718	sub uniq_path {	1898	sub uniq_path {
1719	my ($self) = @_;	1899	my ($self) = @_;
1720		1900
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1902	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1903	}
1733		1904
1734	sub decay_objects {	1905	sub decay_objects {
1735	my ($self) = @_;	1906	my ($self) = @_;
1736		1907
…		…
1749		1920
1750	sub load_header_from($) {	1921	sub load_header_from($) {
1751	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1752		1923
1753	utf8::encode $path;	1924	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1759		1933
1760	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1761		1935
1762	1	1936	1
1763	}	1937	}
…		…
1817	sub find {	1991	sub find {
1818	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1819		1993
1820	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1821		1995
		1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1823		1998
1824	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1827	or return;	2001	or return;
1828		2002
1829	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1830		2004
…		…
1832	or return;	2006	or return;
1833		2007
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1837	$map->reset;	2013	$map->reset;
1838	undef $guard;
1839	return find $path;	2014	return find $path;
1840	}	2015	}
1841		2016
1842	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1843	}	2018	}
1844	}	2019	}
1845		2020
1846	sub pre_load { }	2021	sub pre_load { }
1847	sub post_load { }	2022	#sub post_load { } # XS
1848		2023
1849	sub load {	2024	sub load {
1850	my ($self) = @_;	2025	my ($self) = @_;
1851		2026
1852	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1853		2028
1854	my $path = $self->{path};	2029	my $path = $self->{path};
1855		2030
1856	{	2031	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2033
		2034	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2036
1862	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1863		2038
1864	$self->alloc;	2039	$self->alloc;
1865		2040
1866	$self->pre_load;	2041	$self->pre_load;
1867	cf::cede_to_tick;	2042	cf::cede_to_tick;
1868		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1870	or return;	2047	or return;
1871		2048
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1873	if delete $self->{load_original};	2050	if delete $self->{load_original};
1874		2051
1875	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2053	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2056	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1880	}	2060	}
1881	}	2061	}
		2062
		2063	$f->resolve_delayed_derefs;
1882		2064
1883	cf::cede_to_tick;	2065	cf::cede_to_tick;
1884	# now do the right thing for maps	2066	# now do the right thing for maps
1885	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
…		…
1890	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2073	$self->decay_objects;
1892	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1893	$self->update_buttons;	2075	$self->update_buttons;
1894	cf::cede_to_tick;	2076	cf::cede_to_tick;
1895	$self->set_darkness_map;
1896	cf::cede_to_tick;
1897	$self->activate;	2077	$self->activate;
1898	}	2078	}
1899		2079
1900	$self->{last_save} = $cf::RUNTIME;	2080	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2081	$self->last_access ($cf::RUNTIME);
1902		2082
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2084	}
1905		2085
1906	$self->post_load;	2086	$self->post_load;
1907	}	2087	}
1908		2088
…		…
1966	my ($path, $origin, $load) = @_;	2146	my ($path, $origin, $load) = @_;
1967		2147
1968	$path = normalise $path, $origin && $origin->{path};	2148	$path = normalise $path, $origin && $origin->{path};
1969		2149
1970	if (my $map = $cf::MAP{$path}) {	2150	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2152	}
1973		2153
1974	$MAP_PREFETCH{$path} |= $load;	2154	$MAP_PREFETCH{$path} |= $load;
1975		2155
1976	$MAP_PREFETCHER ||= cf::async {	2156	$MAP_PREFETCHER ||= cf::async {
		2157	$Coro::current->{desc} = "map prefetcher";
		2158
1977	while (%MAP_PREFETCH) {	2159	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2160	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2161	if (my $map = find $k) {
1980	$map->load if $v;	2162	$map->load if $v;
1981	}	2163	}
…		…
2007	return if $self->{deny_save};	2189	return if $self->{deny_save};
2008		2190
2009	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
2010		2192
2011	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
2013	};	2196	};
		2197
		2198	cf::get_slot 0.02;
2014		2199
2015	if ($uniq) {	2200	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2203	} else {
…		…
2027	$self->save;	2212	$self->save;
2028		2213
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2215
2031	return if $self->players;	2216	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2218	return if $self->{deny_save};
2034		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2224	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2225	}
2038		2226
2039	sub reset_at {	2227	sub reset_at {
2040	my ($self) = @_;	2228	my ($self) = @_;
2041		2229
…		…
2059		2247
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2249
2062	return if $self->players;	2250	return if $self->players;
2063		2251
2064	warn "resetting map ", $self->path;	2252	warn "resetting map ", $self->path, "\n";
2065		2253
2066	$self->in_memory (cf::MAP_SWAPPED);	2254	$self->in_memory (cf::MAP_SWAPPED);
2067		2255
2068	# need to save uniques path	2256	# need to save uniques path
2069	unless ($self->{deny_save}) {	2257	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2261	if $uniq;
2074	}	2262	}
2075		2263
2076	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
2077		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2268	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2269
2082	$self->unlink_save;	2270	$self->unlink_save;
2083	$self->destroy;	2271	$self->destroy;
2084	}	2272	}
2085		2273
2086	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
2087		2275
2088	sub nuke {	2276	sub nuke {
2089	my ($self) = @_;	2277	my ($self) = @_;
2090		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
2091	delete $cf::MAP{$self->path};	2282	delete $cf::MAP{$self->path};
2092		2283
2093	$self->unlink_save;	2284	$self->unlink_save;
2094		2285
2095	bless $self, "cf::map";	2286	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2287	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2291
2101	$cf::MAP{$self->path} = $self;	2292	$cf::MAP{$self->path} = $self;
		2293	}
2102		2294
2103	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
2104	}	2296	}
2105		2297
2106	=item $maps = cf::map::tmp_maps	2298	=item $maps = cf::map::tmp_maps
…		…
2148		2340
2149	sub unique_maps() {	2341	sub unique_maps() {
2150	[	2342	[
2151	map {	2343	map {
2152	utf8::decode $_;	2344	utf8::decode $_;
2153	/\.map$/	2345	s/\.map$//; # TODO future compatibility hack
		2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2347	? ()
2154	? normalise $_	2348	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2349	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2350	]
2158	}	2351	}
2159		2352
2160	package cf;	2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
		2380	}
		2381
		2382	\@maps
		2383	}
2161		2384
2162	=back	2385	=back
2163		2386
2164	=head3 cf::object	2387	=head3 cf::object
2165		2388
…		…
2169		2392
2170	=over 4	2393	=over 4
2171		2394
2172	=item $ob->inv_recursive	2395	=item $ob->inv_recursive
2173		2396
2174	Returns the inventory of the object _and_ their inventories, recursively.	2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
2175		2399
2176	=cut	2400	=cut
2177		2401
2178	sub inv_recursive_;	2402	sub inv_recursive_;
2179	sub inv_recursive_ {	2403	sub inv_recursive_ {
…		…
2182		2406
2183	sub inv_recursive {	2407	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2408	inv_recursive_ inv $_[0]
2185	}	2409	}
2186		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
		2437	}
		2438
2187	package cf;	2439	package cf;
2188		2440
2189	=back	2441	=back
2190		2442
2191	=head3 cf::object::player	2443	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
2200		2452
2201	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
2202		2468
2203	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2470	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2484	my $dialog = $pl->{npc_dialog};
2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220		2486
2221	} else {	2487	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2490	}
2225	}	2491	}
2226	}	2492	}
2227		2493
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2253		2519
2254	=item $player_object->enter_link	2520	=item $player_object->enter_link
2255		2521
2256	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
2257		2523
2258	The player should be reasonably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
2259	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
2260		2528
2261	Will never block.	2529	Will never block.
2262		2530
2263	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
2264		2532
…		…
2316	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
2317	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
2318		2586
2319	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
2320	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
2321	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
2322		2590
2323	$map->load;	2591	$map->load;
2324	$map->load_neighbours;	2592	$map->load_neighbours;
2325		2593
2326	return unless $self->contr->active;	2594	return unless $self->contr->active;
2327	$self->activate_recursive;
2328		2595
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
		2600	$self->activate_recursive;
2331	}	2601	}
2332		2602
2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2334		2604
2335	Moves the player to the given map-path and coordinates by first freezing	2605	Moves the player to the given map-path and coordinates by first freezing
2336	her, loading and preparing them map, calling the provided $check callback	2606	her, loading and preparing them map, calling the provided $check callback
2337	that has to return the map if sucecssful, and then unfreezes the player on	2607	that has to return the map if sucecssful, and then unfreezes the player on
2338	the new (success) or old (failed) map position. In either case, $done will	2608	the new (success) or old (failed) map position. In either case, $done will
2339	be called at the end of this process.	2609	be called at the end of this process.
2340		2610
		2611	Note that $check will be called with a potentially non-loaded map, so if
		2612	it needs a loaded map it has to call C<< ->load >>.
		2613
2341	=cut	2614	=cut
2342		2615
2343	our $GOTOGEN;	2616	our $GOTOGEN;
2344		2617
2345	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
…		…
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2623
2351	$self->enter_link;	2624	$self->enter_link;
2352		2625
2353	(async {	2626	(async {
		2627	$Coro::current->{desc} = "player::goto $path $x $y";
		2628
		2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
2354	my $map = eval {	2648	my $map = eval {
2355	my $map = cf::map::find $path;	2649	my $map = defined $path ? cf::map::find $path : undef;
2356		2650
2357	if ($map) {	2651	if ($map) {
2358	$map = $map->customise_for ($self);	2652	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2653	$map = $check->($map) if $check && $map;
2360	} else {	2654	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2656	}
2363		2657
2364	$map	2658	$map
2365	};	2659	};
2366		2660
…		…
2402	}	2696	}
2403		2697
2404	sub prepare_random_map {	2698	sub prepare_random_map {
2405	my ($exit) = @_;	2699	my ($exit) = @_;
2406		2700
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2701	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2702	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2703	# that depends on the exit object
2412		2704
2413	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2707	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2708	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
2420	}	2714	}
2421		2715
2422	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
2423		2717
2424	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2720	my $meta = "$RANDOMDIR/$md5.meta";
2427		2721
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	2724	undef $fh;
2431	aio_rename "$meta~", $meta;	2725	aio_rename "$meta~", $meta;
2432		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
2435	}	2733	}
2436	}	2734	}
2437		2735
2438	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
2440		2738
2441	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
2442		2740
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	2741	$self->enter_link;
2455		2742
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	2743	(async {
2461	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
2462	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
		2753	prepare_random_map $exit
		2754	if $exit->slaying eq "/!";
		2755	}
		2756
		2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
		2760
2463	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($map, $x, $y);
2464		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
2465	1;	2767	1
2466	}) {	2768	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
2469	. "Please report this to the dungeon master!",	2771	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
2471		2773
2472	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
…		…
2489	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
2490	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
2491		2793
2492	utf8::encode $text;	2794	utf8::encode $text;
2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2796	}
		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
2494	}	2821	}
2495		2822
2496	=item $client->send_msg ($channel, $msg, $color, [extra...])	2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
2497		2824
2498	Send a drawinfo or msg packet to the client, formatting the msg for the	2825	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	2827	the message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	2828	the message unless the client supports the msg packet.
2502		2829
2503	=cut	2830	=cut
2504		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
2505	sub cf::client::send_msg {	2946	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	2947	my ($self, $channel, $msg, $color, @extra) = @_;
2507		2948
2508	$msg = $self->pl->expand_cfpod ($msg);	2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
2509		2951
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
2512	if (ref $channel) {	2961	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	2962	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	2963	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	2964	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	2965	$self->ext_msg (channel_info => $channel);
2517	}	2966	}
…		…
2519	$channel = $channel->{id};	2968	$channel = $channel->{id};
2520	}	2969	}
2521		2970
2522	return unless @extra || length $msg;	2971	return unless @extra || length $msg;
2523		2972
2524	if ($self->can_msg) {
2525	# default colour, mask it out	2973	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	2975	if $color & cf::NDI_DEF;
2528		2976
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2531	} else {	2980	);
2532	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {
2535	1 while
2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2541	}
2542		2981
2543	$color &= cf::NDI_COLOR_MASK;	2982	$self->send_big_packet ($pkt);
2544
2545	utf8::encode $msg;
2546
2547	if (0 && $msg =~ /\[/) {
2548	# COMMAND/INFO
2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
2550	} else {
2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2552	$self->send_packet ("drawinfo $color $msg")
2553	}
2554	}
2555	}
2556	}	2983	}
2557		2984
2558	=item $client->ext_msg ($type, @msg)	2985	=item $client->ext_msg ($type, @msg)
2559		2986
2560	Sends an ext event to the client.	2987	Sends an ext event to the client.
…		…
2563		2990
2564	sub cf::client::ext_msg($$@) {	2991	sub cf::client::ext_msg($$@) {
2565	my ($self, $type, @msg) = @_;	2992	my ($self, $type, @msg) = @_;
2566		2993
2567	if ($self->extcmd == 2) {	2994	if ($self->extcmd == 2) {
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2569	} elsif ($self->extcmd == 1) { # TODO: remove	2996	} elsif ($self->extcmd == 1) { # TODO: remove
2570	push @msg, msgtype => "event_$type";	2997	push @msg, msgtype => "event_$type";
2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2572	}	2999	}
2573	}	3000	}
2574		3001
2575	=item $client->ext_reply ($msgid, @msg)	3002	=item $client->ext_reply ($msgid, @msg)
2576		3003
…		…
2580		3007
2581	sub cf::client::ext_reply($$@) {	3008	sub cf::client::ext_reply($$@) {
2582	my ($self, $id, @msg) = @_;	3009	my ($self, $id, @msg) = @_;
2583		3010
2584	if ($self->extcmd == 2) {	3011	if ($self->extcmd == 2) {
2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2586	} elsif ($self->extcmd == 1) {	3013	} elsif ($self->extcmd == 1) {
2587	#TODO: version 1, remove	3014	#TODO: version 1, remove
2588	unshift @msg, msgtype => "reply", msgid => $id;	3015	unshift @msg, msgtype => "reply", msgid => $id;
2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2590	}	3017	}
2591	}	3018	}
2592		3019
2593	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
2594		3021
…		…
2721	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
2722		3149
2723	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
2724		3151
2725	$safe->permit_only (Opcode::opset qw(	3152	$safe->permit_only (Opcode::opset qw(
2726	:base_core :base_mem :base_orig :base_math	3153	:base_core :base_mem :base_orig :base_math :base_loop
2727	grepstart grepwhile mapstart mapwhile	3154	grepstart grepwhile mapstart mapwhile
2728	sort time	3155	sort time
2729	));	3156	));
2730		3157
2731	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
…		…
2733	=pod	3160	=pod
2734		3161
2735	The following functions and methods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
2736		3163
2737	cf::object	3164	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3165	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3166	insert remove name archname title slaying race decrease split
		3167	value
2740		3168
2741	cf::object::player	3169	cf::object::player
2742	player	3170	player
2743		3171
2744	cf::player	3172	cf::player
…		…
2749		3177
2750	=cut	3178	=cut
2751		3179
2752	for (	3180	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3182	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3183	decrease split destroy change_exp value msg lore send_msg)],
2756	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
2758	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
2759	) {	3187	) {
2760	no strict 'refs';	3188	no strict 'refs';
2761	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
2762	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2780		3208
2781	my $qcode = $code;	3209	my $qcode = $code;
2782	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2783	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
2784		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
2785	local $_;	3216	local $_;
2786	local @safe::cf::_safe_eval_args = values %vars;
2787		3217
2788	my $eval =	3218	my $eval =
2789	"do {\n"	3219	"do {\n"
2790	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2791	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
2792	. $code	3222	. $code
2793	. "\n}"	3223	. "\n}"
2794	;	3224	;
2795		3225
		3226	if ($CFG{safe_eval}) {
2796	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
2797	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2798	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
2799		3235
2800	if ($@) {	3236	if ($@) {
2801	warn "$@";	3237	warn "$@";
2802	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
2803	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2822	=cut	3258	=cut
2823		3259
2824	sub register_script_function {	3260	sub register_script_function {
2825	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
2826		3262
2827	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
2828	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
2829	}	3265	}
2830		3266
2831	=back	3267	=back
2832		3268
2833	=cut	3269	=cut
…		…
2835	#############################################################################	3271	#############################################################################
2836	# the server's init and main functions	3272	# the server's init and main functions
2837		3273
2838	sub load_facedata($) {	3274	sub load_facedata($) {
2839	my ($path) = @_;	3275	my ($path) = @_;
		3276
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
2840		3280
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3282
2843	warn "loading facedata from $path\n";	3283	warn "loading facedata from $path\n";
2844		3284
…		…
2850		3290
2851	$facedata->{version} == 2	3291	$facedata->{version} == 2
2852	or cf::cleanup "$path: version mismatch, cannot proceed.";	3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
2853		3293
2854	# patch in the exptable	3294	# patch in the exptable
		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2855	$facedata->{resource}{"res/exp_table"} = {	3296	$facedata->{resource}{"res/exp_table"} = {
2856	type => FT_RSRC,	3297	type => FT_RSRC,
2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3298	data => $exp_table,
		3299	hash => (Digest::MD5::md5 $exp_table),
2858	};	3300	};
2859	cf::cede_to_tick;	3301	cf::cede_to_tick;
2860		3302
2861	{	3303	{
2862	my $faces = $facedata->{faceinfo};	3304	my $faces = $facedata->{faceinfo};
2863		3305
2864	while (my ($face, $info) = each %$faces) {	3306	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3308
2866	cf::face::set_visibility $idx, $info->{visibility};	3309	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3310	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2870		3313
2871	cf::cede_to_tick;	3314	cf::cede_to_tick;
2872	}	3315	}
2873		3316
2874	while (my ($face, $info) = each %$faces) {	3317	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3318	next unless $info->{smooth};
		3319
2876	my $idx = cf::face::find $face	3320	my $idx = cf::face::find $face
2877	or next;	3321	or next;
		3322
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3323	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3324	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3326	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2896		3341
2897	cf::anim::invalidate_all; # d'oh	3342	cf::anim::invalidate_all; # d'oh
2898	}	3343	}
2899		3344
2900	{	3345	{
2901	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3346	my $res = $facedata->{resource};
2904		3347
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;
2910		3351
2911	if ($info->{type} & 1) {	3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2912	# prepend meta info	3353	cf::face::set_type $idx, $info->{type};
2913
2914	my $meta = $enc->encode ({
2915	name => $name,
2916	%{ $info->{meta} || {} },
2917	});
2918
2919	$data = pack "(w/a*)*", $meta, $info->{data};
2920	} else {	3354	} else {
2921	$data = $info->{data};	3355	$RESOURCE{$name} = $info;
2922	}	3356	}
2923		3357
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;	3358	cf::cede_to_tick;
2928	}	3359	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2948		3363
2949	1	3364	1
2950	}	3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
2951		3386
2952	register_exticmd fx_want => sub {	3387	register_exticmd fx_want => sub {
2953	my ($ns, $want) = @_;	3388	my ($ns, $want) = @_;
2954		3389
2955	while (my ($k, $v) = each %$want) {	3390	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3391	$ns->fx_want ($k, $v);
2957	}	3392	}
2958	};	3393	};
2959		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
2960	sub reload_regions {	3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
2961	load_resource_file "$MAPDIR/regions"	3410	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3411	or die "unable to load regions file\n";
2963		3412
2964	for (cf::region::list) {	3413	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3414	$_->{match} = qr/$_->{match}/
…		…
2973	}	3422	}
2974		3423
2975	sub reload_archetypes {	3424	sub reload_archetypes {
2976	load_resource_file "$DATADIR/archetypes"	3425	load_resource_file "$DATADIR/archetypes"
2977	or die "unable to load archetypes\n";	3426	or die "unable to load archetypes\n";
2978	#d# NEED to laod twice to resolve forward references
2979	# this really needs to be done in an extra post-pass
2980	# (which needs to be synchronous, so solve it differently)
2981	load_resource_file "$DATADIR/archetypes"
2982	or die "unable to load archetypes\n";
2983	}	3427	}
2984		3428
2985	sub reload_treasures {	3429	sub reload_treasures {
2986	load_resource_file "$DATADIR/treasures"	3430	load_resource_file "$DATADIR/treasures"
2987	or die "unable to load treasurelists\n";	3431	or die "unable to load treasurelists\n";
2988	}	3432	}
2989		3433
2990	sub reload_resources {	3434	sub reload_resources {
2991	warn "reloading resource files...\n";	3435	warn "reloading resource files...\n";
2992		3436
		3437	reload_facedata;
		3438	reload_archetypes;
2993	reload_regions;	3439	reload_regions;
2994	reload_facedata;
2995	#reload_archetypes;#d#
2996	reload_archetypes;
2997	reload_treasures;	3440	reload_treasures;
2998		3441
2999	warn "finished reloading resource files\n";	3442	warn "finished reloading resource files\n";
3000	}	3443	}
3001		3444
3002	sub init {
3003	reload_resources;
3004	}
3005
3006	sub reload_config {	3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
3008	or return;	3449	or return;
3009		3450
3010	local $/;	3451	local $/;
3011	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
3012		3453
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3014		3455
3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3020	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3021	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
3022	};	3463	};
3023	warn $@ if $@;	3464	warn $@ if $@;
3024	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
3025	}	3496	}
3026		3497
3027	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
3028	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3031	(async {	3516	(async {
3032	Event::one_event;	3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3519	})->prio (Coro::PRIO_MAX);
3034	};	3520	};
3035		3521
		3522	evthread_start IO::AIO::poll_fileno;
		3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
3036	reload_config;	3529	reload_config;
3037	db_init;	3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
3038	load_extensions;	3541	load_extensions;
3039		3542
3040	$TICK_WATCHER->start;	3543	utime time, time, $RUNTIMEFILE;
3041	Event::loop;	3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
3042	}	3553	}
3043		3554
3044	#############################################################################	3555	#############################################################################
3045	# initialisation and cleanup	3556	# initialisation and cleanup
3046		3557
3047	# install some emergency cleanup handlers	3558	# install some emergency cleanup handlers
3048	BEGIN {	3559	BEGIN {
		3560	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3561	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	3563	cf::cleanup "SIG$signal";
3057	},
3058	);	3564	};
3059	}	3565	}
3060	}	3566	}
3061		3567
3062	sub write_runtime {	3568	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";
3064
3065	# first touch the runtime file to show we are still running:	3569	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	3570	# the fsync below can take a very very long time.
3067		3571
3068	IO::AIO::aio_utime $runtime, undef, undef;	3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3069		3573
3070	my $guard = cf::lock_acquire "write_runtime";	3574	my $guard = cf::lock_acquire "write_runtime";
3071		3575
3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3073	or return;	3577	or return;
3074		3578
3075	my $value = $cf::RUNTIME + 90 + 10;	3579	my $value = $cf::RUNTIME + 90 + 10;
3076	# 10 is the runtime save interval, for a monotonic clock	3580	# 10 is the runtime save interval, for a monotonic clock
3077	# 60 allows for the watchdog to kill the server.	3581	# 60 allows for the watchdog to kill the server.
…		…
3087	aio_utime $fh, undef, undef;	3591	aio_utime $fh, undef, undef;
3088		3592
3089	close $fh	3593	close $fh
3090	or return;	3594	or return;
3091		3595
3092	aio_rename "$runtime~", $runtime	3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3093	and return;	3597	and return;
3094		3598
3095	warn "runtime file written.\n";	3599	warn "runtime file written.\n";
3096		3600
3097	1	3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
3098	}	3652	}
3099		3653
3100	sub emergency_save() {	3654	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	3655	my $freeze_guard = cf::freeze_mainloop;
3102		3656
3103	warn "enter emergency perl save\n";	3657	warn "emergency_perl_save: enter\n";
3104		3658
3105	cf::sync_job {	3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
3106	# use a peculiar iteration method to avoid tripping on perl	3665	# use a peculiar iteration method to avoid tripping on perl
3107	# refcount bugs in for. also avoids problems with players	3666	# refcount bugs in for. also avoids problems with players
3108	# and maps saved/destroyed asynchronously.	3667	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	3668	warn "emergency_perl_save: begin player save\n";
3110	for my $login (keys %cf::PLAYER) {	3669	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	3670	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	3673	$pl->save;
3114	}	3674	}
3115	warn "end emergency player save\n";	3675	warn "emergency_perl_save: end player save\n";
3116		3676
3117	warn "begin emergency map save\n";	3677	warn "emergency_perl_save: begin map save\n";
3118	for my $path (keys %cf::MAP) {	3678	for my $path (keys %cf::MAP) {
3119	my $map = $cf::MAP{$path} or next;	3679	my $map = $cf::MAP{$path} or next;
3120	$map->valid or next;	3680	$map->valid or next;
3121	$map->save;	3681	$map->save;
3122	}	3682	}
3123	warn "end emergency map save\n";	3683	warn "emergency_perl_save: end map save\n";
3124		3684
3125	warn "begin emergency database checkpoint\n";	3685	warn "emergency_perl_save: begin database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	3686	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
3128	};	3692	};
3129		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
3130	warn "leave emergency perl save\n";	3699	warn "emergency_perl_save: leave\n";
3131	}	3700	}
3132		3701
3133	sub post_cleanup {	3702	sub post_cleanup {
3134	my ($make_core) = @_;	3703	my ($make_core) = @_;
3135		3704
3136	warn Carp::longmess "post_cleanup backtrace"	3705	warn Carp::longmess "post_cleanup backtrace"
3137	if $make_core;	3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
3138	}	3736	}
3139		3737
3140	sub do_reload_perl() {	3738	sub do_reload_perl() {
3141	# can/must only be called in main	3739	# can/must only be called in main
3142	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
3143	warn "can only reload from main coroutine";	3741	warn "can only reload from main coroutine";
3144	return;	3742	return;
3145	}	3743	}
3146		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
3147	warn "reloading...";	3750	warn "reloading...";
3148		3751
3149	warn "entering sync_job";	3752	warn "entering sync_job";
3150		3753
3151	cf::sync_job {	3754	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark	3755	cf::write_runtime_sync; # external watchdog should not bark
3153	cf::emergency_save;	3756	cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark	3757	cf::write_runtime_sync; # external watchdog should not bark
3155		3758
3156	warn "syncing database to disk";	3759	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3760	BDB::db_env_txn_checkpoint $DB_ENV;
3158		3761
3159	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
3160		3763
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165
3166	warn "flushing outstanding aio requests";	3764	warn "flushing outstanding aio requests";
3167	for (;;) {
3168	BDB::flush;
3169	IO::AIO::flush;
3170	Coro::cede;
3171	last unless IO::AIO::nreqs || BDB::nreqs;	3765	while (IO::AIO::nreqs || BDB::nreqs) {
3172	warn "iterate...";	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3173	}
3174
3175	++$RELOAD;
3176
3177	warn "cancelling all extension coros";
3178	$_->cancel for values %EXT_CORO;
3179	%EXT_CORO = ();
3180
3181	warn "removing commands";
3182	%COMMAND = ();
3183
3184	warn "removing ext/exti commands";
3185	%EXTCMD = ();
3186	%EXTICMD = ();
3187
3188	warn "unloading/nuking all extensions";
3189	for my $pkg (@EXTS) {
3190	warn "... unloading $pkg";
3191
3192	if (my $cb = $pkg->can ("unload")) {
3193	eval {
3194	$cb->($pkg);
3195	1
3196	} or warn "$pkg unloaded, but with errors: $@";
3197	}	3767	}
3198		3768
3199	warn "... nuking $pkg";	3769	warn "cancelling all extension coros";
3200	Symbol::delete_package $pkg;	3770	$_->cancel for values %EXT_CORO;
3201	}	3771	%EXT_CORO = ();
3202		3772
3203	warn "unloading all perl modules loaded from $LIBDIR";	3773	warn "removing commands";
3204	while (my ($k, $v) = each %INC) {	3774	%COMMAND = ();
3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3206		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
3207	warn "... unloading $k";	3782	warn "... unloading $pkg";
3208	delete $INC{$k};
3209		3783
3210	$k =~ s/\.pm$//;
3211	$k =~ s/\//::/g;
3212
3213	if (my $cb = $k->can ("unload_module")) {	3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
3214	$cb->();	3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
3215	}	3793	}
3216		3794
3217	Symbol::delete_package $k;	3795	warn "unloading all perl modules loaded from $LIBDIR";
		3796	while (my ($k, $v) = each %INC) {
		3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
3218	}	3810	}
3219		3811
3220	warn "getting rid of safe::, as good as possible";	3812	warn "getting rid of safe::, as good as possible";
3221	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3223		3815
3224	warn "unloading cf.pm \"a bit\"";	3816	warn "unloading cf.pm \"a bit\"";
3225	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
3226	delete $INC{"cf/pod.pm"};	3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3227		3819
3228	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
3229	# and global variables created in xs	3821	# and global variables created in xs
3230	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
3231		3823
3232	warn "unload completed, starting to reload now";	3824	warn "unload completed, starting to reload now";
3233		3825
3234	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
3235	require cf;	3827	require cf;
3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
3237		3829
3238	warn "loading config and database again";	3830	warn "loading config and database again";
3239	cf::reload_config;	3831	cf::reload_config;
3240		3832
3241	warn "loading extensions";	3833	warn "loading extensions";
3242	cf::load_extensions;	3834	cf::load_extensions;
3243		3835
		3836	if ($REATTACH_ON_RELOAD) {
3244	warn "reattaching attachments to objects/players";	3837	warn "reattaching attachments to objects/players";
3245	_global_reattach; # objects, sockets	3838	_global_reattach; # objects, sockets
3246	warn "reattaching attachments to maps";	3839	warn "reattaching attachments to maps";
3247	reattach $_ for values %MAP;	3840	reattach $_ for values %MAP;
3248	warn "reattaching attachments to players";	3841	warn "reattaching attachments to players";
3249	reattach $_ for values %PLAYER;	3842	reattach $_ for values %PLAYER;
		3843	}
3250		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
3251	warn "leaving sync_job";	3848	warn "leaving sync_job";
3252		3849
3253	1	3850	1
3254	} or do {	3851	} or do {
3255	warn $@;	3852	warn $@;
3256	warn "error while reloading, exiting.";	3853	cf::cleanup "error while reloading, exiting.";
3257	exit 1;
3258	};	3854	};
3259		3855
3260	warn "reloaded";	3856	warn "reloaded";
		3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
3261	};	3862	};
3262		3863
3263	our $RELOAD_WATCHER; # used only during reload	3864	our $RELOAD_WATCHER; # used only during reload
3264		3865
3265	sub reload_perl() {	3866	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	3867	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	3868	# coro crashes during coro_state_free->destroy here.
3268		3869
3269	$RELOAD_WATCHER ||= Event->timer (	3870	$RELOAD_WATCHER ||= cf::async {
3270	reentrant => 0,	3871	Coro::AIO::aio_wait cache_extensions;
3271	after => 0,	3872
3272	data => WF_AUTOCANCEL,	3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3273	cb => sub {
3274	do_reload_perl;	3874	do_reload_perl;
3275	undef $RELOAD_WATCHER;	3875	undef $RELOAD_WATCHER;
3276	},	3876	};
3277	);	3877	};
3278	}	3878	}
3279		3879
3280	register_command "reload" => sub {	3880	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
3282		3882
3283	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	3887	reload_perl;
		3888	};
3286	}	3889	}
3287	};	3890	};
3288		3891
3289	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
3290		3893
…		…
3292		3895
3293	our @WAIT_FOR_TICK;	3896	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;	3897	our @WAIT_FOR_TICK_BEGIN;
3295		3898
3296	sub wait_for_tick {	3899	sub wait_for_tick {
3297	return unless $TICK_WATCHER->is_active;
3298	return if $Coro::current == $Coro::main;	3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3299		3901
3300	my $signal = new Coro::Signal;	3902	my $signal = new Coro::Signal;
3301	push @WAIT_FOR_TICK, $signal;	3903	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;	3904	$signal->wait;
3303	}	3905	}
3304		3906
3305	sub wait_for_tick_begin {	3907	sub wait_for_tick_begin {
3306	return unless $TICK_WATCHER->is_active;
3307	return if $Coro::current == $Coro::main;	3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3308		3909
3309	my $signal = new Coro::Signal;	3910	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	3911	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	3912	$signal->wait;
3312	}	3913	}
3313		3914
3314	my $min = 1e6;#d#	3915	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	3916	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	3918	unless ++$bug_warning > 10;
3326	return;	3919	return;
3327	}	3920	}
3328		3921
3329	$NOW = $tick_start = Event::time;
3330
3331	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
3332		3923
3333	0 && sync_job {#d#	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3334	for(1..10) {
3335	my $t = Event::time;
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3337	or die;
3338		3925
3339	$map->width (50);	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3340	$map->height (50);	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3341	$map->alloc;	3928	Coro::async_pool {
3342	$map->_load_objects ("/tmp/x.map", 1);	3929	$Coro::current->{desc} = "runtime saver";
3343	my $t = Event::time - $t;	3930	write_runtime_sync
3344		3931	or warn "ERROR: unable to write runtime file: $!";
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	3932	};
		3933	}
3355		3934
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	3936	$sig->send;
3372	}	3937	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	3938	while (my $sig = shift @WAIT_FOR_TICK) {
3374	$sig->send;	3939	$sig->send;
3375	}	3940	}
3376		3941
3377	$NOW = Event::time;	3942	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		3944
3388	_post_tick;	3945	if (0) {
3389		3946	if ($NEXT_TICK) {
3390		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
3391	},	3951	}
3392	);	3952	}
3393		3953
3394	{	3954	{
3395	BDB::max_poll_time $TICK * 0.1;	3955	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	3956
3397	reentrant => 0,
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	3957	BDB::min_parallel 8;
3405		3958	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	3959	$AnyEvent::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		3960
3421	unless ($DB_ENV) {	3961	unless ($DB_ENV) {
3422	$DB_ENV = BDB::db_env_create;	3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3423		3968
3424	cf::sync_job {	3969	cf::sync_job {
3425	eval {	3970	eval {
3426	BDB::db_env_open	3971	BDB::db_env_open
3427	$DB_ENV,	3972	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	3976	0666;
3432		3977
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	3979	};
3438		3980
3439	cf::cleanup "db_env_open(db): $@" if $@;	3981	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	3982	};
3441	}	3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
3442	}	3994	}
3443		3995
3444	{	3996	{
		3997	# configure IO::AIO
		3998
3445	IO::AIO::min_parallel 8;	3999	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	4000	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	4001	undef $AnyEvent::AIO::WATCHER;
3450	reentrant => 0,
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	4002	}
3458		4003
3459	my $_log_backtrace;	4004	my $_log_backtrace;
3460		4005
3461	sub _log_backtrace {	4006	sub _log_backtrace {
…		…
3464	$msg =~ s/\n//;	4009	$msg =~ s/\n//;
3465		4010
3466	# limit the # of concurrent backtraces	4011	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	4012	if ($_log_backtrace < 2) {
3468	++$_log_backtrace;	4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
3469	async {	4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
3470	my @bt = fork_call {	4018	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	4019	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3474	or die "addr2line: $!";	4022	or die "addr2line: $!";
…		…
3482	}	4030	}
3483		4031
3484	@funcs	4032	@funcs
3485	};	4033	};
3486		4034
3487	LOG llevInfo, "[ABT] $msg\n";	4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3488	LOG llevInfo, "[ABT] $_\n" for @bt;	4037	LOG llevInfo, "[ABT] $_\n" for @bt;
3489	--$_log_backtrace;	4038	--$_log_backtrace;
3490	};	4039	};
3491	} else {	4040	} else {
3492	LOG llevInfo, "[ABT] $msg\n";	4041	LOG llevInfo, "[ABT] $msg\n";
3493	LOG llevInfo, "[ABT] [suppressed]\n";	4042	LOG llevInfo, "[ABT] [suppressed]\n";
3494	}	4043	}
3495	}	4044	}
3496		4045
3497	# load additional modules	4046	# load additional modules
3498	use cf::pod;	4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
3499		4049
3500	END { cf::emergency_save }	4050	END { cf::emergency_save }
3501		4051
3502	1	4052	1
3503		4053

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