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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.529 by root, Wed Apr 28 11:28:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 4.1 ();	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 2.51 ();	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;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	124	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	125	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	127	our $DB_ENV;
89		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
		130
90	our %CFG;	131	our %CFG;
91		132
92	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
94		136
95	our (%PLAYER, %PLAYER_LOADING); # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
98		140
99	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		143
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
105		153
106	binmode STDOUT;	154	binmode STDOUT;
107	binmode STDERR;	155	binmode STDERR;
108		156
109	# read virtual server time, if available	157	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
114	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
115		165
116	mkdir $_	166	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		168
119	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
120		170
121	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		187
123	#############################################################################	188	#############################################################################
124		189
125	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
126		191
…		…
173	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		240
176	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
177		242
178	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	245	that call.
181		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
182	=back	253	=back
183		254
184	=cut	255	=cut
185		256
186	BEGIN {	257	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	258	my $msg = join "", @_;
189		259
190	$msg .= "\n"	260	$msg .= "\n"
191	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
192		262
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		264
195	LOG llevError, $msg;	265	LOG llevError, $msg;
196	};	266	};
197	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
198		281
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	292	for my $pkg (qw(
210	cf::global cf::attachable	293	cf::global cf::attachable
211	cf::object cf::object::player	294	cf::object cf::object::player
212	cf::client cf::player	295	cf::client cf::player
213	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
214	cf::map cf::party cf::region	298	cf::party cf::region
215	)) {	299	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	301	}
219		302
220	$Event::DIED = sub {	303	$EV::DIED = sub {
221	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
222	};	305	};
223		306
224	#############################################################################	307	#############################################################################
225		308
226	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	332	$d
250	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
251	}	334	}
252		335
253	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
254		337
255	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
256		339
257	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
258		341
259	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
260		343
261	=cut	344	=cut
262		345
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		347
265	sub to_json ($) { $json_coder->encode ($_[0]) }	348	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
267		364
268	=item cf::lock_wait $string	365	=item cf::lock_wait $string
269		366
270	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
271		368
272	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
273		370
274	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
277	returned.	374	returned.
278		375
279	Locks are *not* recursive, locking from the same coro twice results in a	376	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	377	deadlocked coro.
…		…
286		383
287	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
288		385
289	=cut	386	=cut
290		387
291	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		389
294	sub lock_wait($) {	390	sub lock_wait($) {
295	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	392	}
308		393
309	sub lock_acquire($) {	394	sub lock_acquire($) {
310	my ($key) = @_;	395	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	396	}
324		397
325	sub lock_active($) {	398	sub lock_active($) {
326	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	400	}
330		401
331	sub freeze_mainloop {	402	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
333		404
334	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	406	}
336	};	407
337	$TICK_WATCHER->stop;	408	=item cf::periodic $interval, $cb
338	$guard	409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
339	}	421	}
340		422
341	=item cf::get_slot $time[, $priority[, $name]]	423	=item cf::get_slot $time[, $priority[, $name]]
342		424
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
351		433
352	=cut	434	=cut
353		435
354	our @SLOT_QUEUE;	436	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
356		439
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	441	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	442	$Coro::current->desc ("timeslot manager");
360		443
361	my $signal = new Coro::Signal;	444	my $signal = new Coro::Signal;
		445	my $busy;
362		446
363	while () {	447	while () {
364	next_job:	448	next_job:
		449
365	my $avail = cf::till_tick;	450	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	451
367	for (0 .. $#SLOT_QUEUE) {	452	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	455	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	456	$job->[2]->send;
371	Coro::cede;	457	Coro::cede;
372	goto next_job;	458	goto next_job;
373	}	459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	461	}
375	}	462	}
376		463
377	if (@SLOT_QUEUE) {	464	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	466	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	467	$signal->wait;
381	} else {	468	} else {
		469	$busy = 0;
382	Coro::schedule;	470	Coro::schedule;
383	}	471	}
384	}	472	}
385	};	473	};
386		474
387	sub get_slot($;$$) {	475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
388	my ($time, $pri, $name) = @_;	478	my ($time, $pri, $name) = @_;
389		479
390	$time = $TICK * .6 if $time > $TICK * .6;	480	$time = clamp $time, 0.01, $TICK * .6;
		481
391	my $sig = new Coro::Signal;	482	my $sig = new Coro::Signal;
392		483
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	486	$SLOT_QUEUE->ready;
…		…
422		513
423	sub sync_job(&) {	514	sub sync_job(&) {
424	my ($job) = @_;	515	my ($job) = @_;
425		516
426	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	518	my $time = AE::time;
428		519
429	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
431		522
432	LOG llevError, Carp::longmess "sync job";#d#	523	LOG llevError, Carp::longmess "sync job";#d#
433		524
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
437		526
438	my $busy = 1;	527	my $busy = 1;
439	my @res;	528	my @res;
440		529
…		…
447		536
448	while ($busy) {	537	while ($busy) {
449	if (Coro::nready) {	538	if (Coro::nready) {
450	Coro::cede_notself;	539	Coro::cede_notself;
451	} else {	540	} else {
452	Event::one_event;	541	EV::loop EV::LOOP_ONESHOT;
453	}	542	}
454	}	543	}
455		544
456	$time = Event::time - $time;	545	my $time = AE::time - $time;
457		546
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
462		548
463	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
464	} else {	550	} else {
465	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
466		552
…		…
491	=item fork_call { }, $args	577	=item fork_call { }, $args
492		578
493	Executes the given code block with the given arguments in a seperate	579	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	580	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	581	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	582	never block itself or use any form of event handling.
497		583
498	=cut	584	=cut
499		585
500	sub fork_call(&@) {	586	sub fork_call(&@) {
501	my ($cb, @args) = @_;	587	my ($cb, @args) = @_;
…		…
508	reset_signals;	594	reset_signals;
509	&$cb	595	&$cb
510	}, @args;	596	}, @args;
511		597
512	wantarray ? @res : $res[-1]	598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
		602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
513	}	637	}
514		638
515	=item $value = cf::db_get $family => $key	639	=item $value = cf::db_get $family => $key
516		640
517	Returns a single value from the environment database.	641	Returns a single value from the environment database.
…		…
656		780
657	#############################################################################	781	#############################################################################
658		782
659	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
660		784
661	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
664		788
665	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
716	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
717		841
718	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
720		844
721	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
723		847
724	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
725		849
726	=over 4	850	=over 4
…		…
954	}	1078	}
955		1079
956	0	1080	0
957	}	1081	}
958		1082
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1084
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1086
963	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
964		1088
…		…
1017		1141
1018	sub reattach {	1142	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1144	my ($obj) = @_;
1021		1145
		1146	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1148
1024	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
1025		1150
1026	@$registry = ();	1151	@$registry = ();
1027		1152
…		…
1042	cf::attachable->attach (	1167	cf::attachable->attach (
1043	prio => -1000000,	1168	prio => -1000000,
1044	on_instantiate => sub {	1169	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
1046		1171
1047	$data = from_json $data;	1172	$data = decode_json $data;
1048		1173
1049	for (@$data) {	1174	for (@$data) {
1050	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
1051		1176
1052	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
1070		1195
1071	sync_job {	1196	sync_job {
1072	if (length $$rdata) {	1197	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1198	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
1076		1202
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
1081	close $fh;	1210	aio_close $fh;
1082		1211
1083	if (@$objs) {	1212	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
1089	close $fh;	1221	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1223	}
1092	} else {	1224	} else {
1093	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
1094	}	1226	}
1095		1227
1096	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1232	} else {
1098	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
1099	}	1234	}
1100	} else {	1235	} else {
1101	aio_unlink $filename;	1236	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
1103	}	1238	}
…		…
1128	$av = $st->{objs};	1263	$av = $st->{objs};
1129	}	1264	}
1130		1265
1131	utf8::decode (my $decname = $filename);	1266	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
1134		1270
1135	($data, $av)	1271	($data, $av)
1136	}	1272	}
1137		1273
1138	=head2 COMMAND CALLBACKS	1274	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1330	my ($name, $cb) = @_;
1195		1331
1196	$EXTICMD{$name} = $cb;	1332	$EXTICMD{$name} = $cb;
1197	}	1333	}
1198		1334
		1335	use File::Glob ();
		1336
1199	cf::player->attach (	1337	cf::player->attach (
1200	on_command => sub {	1338	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
1202		1340
1203	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
1204	or return;	1342	or return;
1205		1343
…		…
1235		1373
1236	cf::override;	1374	cf::override;
1237	},	1375	},
1238	);	1376	);
1239		1377
		1378	# "readahead" all extensions
		1379	sub cache_extensions {
		1380	my $grp = IO::AIO::aio_group;
		1381
		1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1383	for (grep /\.ext$/, @{$_[0]}) {
		1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1385	}
		1386	};
		1387
		1388	$grp
		1389	}
		1390
1240	sub load_extensions {	1391	sub load_extensions {
1241	cf::sync_job {	1392	cf::sync_job {
1242	my %todo;	1393	my %todo;
1243		1394
1244	for my $path (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1414
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1417
1267	$ext{source} =	1418	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
1270	. $source	1421	. $source
1271	. "\n};\n1";	1422	. "\n};\n1";
1272		1423
1273	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
1274	}	1425	}
1275		1426
		1427	my $pass = 0;
1276	my %done;	1428	my %done;
1277	while (%todo) {	1429	while (%todo) {
1278	my $progress;	1430	my $progress;
1279		1431
		1432	++$pass;
		1433
		1434	ext:
1280	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1437	next ext
1283	unless exists $done{$_};	1438	unless exists $done{$_};
1284	}	1439	}
1285		1440
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1442
1288	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1449	if exists $v->{meta}{mandatory};
1293	warn $msg;	1450
1294	warn "mandatory extension failed to load, exiting.\n";	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1452	delete $todo{$k};
1296	}	1453	} else {
1297		1454	$done{$k} = delete $todo{$k};
1298	warn $msg;	1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1299	}	1460	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1461	}
1305		1462
1306	skip:	1463	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
1309	}	1471	}
1310	};	1472	};
1311	}	1473	}
1312		1474
1313	#############################################################################	1475	#############################################################################
1314		1476
1315	=back	1477	=back
1316		1478
1317	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1318		1480
1319	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1320		1482
1321	=cut	1483	=cut
1322		1484
1323	package cf::player;	1485	package cf::player;
1324		1486
…		…
1367		1529
1368	sub exists($) {	1530	sub exists($) {
1369	my ($login) = @_;	1531	my ($login) = @_;
1370		1532
1371	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1373	}	1535	}
1374		1536
1375	sub find($) {	1537	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1539	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1551	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1552	or return;
1391		1553
1392	my $pl = cf::player::load_pl $f	1554	my $pl = cf::player::load_pl $f
1393	or return;	1555	or return;
		1556
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1557	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1558	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1397	}	1560	}
1398	}	1561	}
1399	}	1562	}
1400		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
		1576
1401	sub save($) {	1577	sub save($) {
1402	my ($pl) = @_;	1578	my ($pl) = @_;
1403		1579
1404	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1405		1581
…		…
1408		1584
1409	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1410		1586
1411	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1594
1414	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1596	cf::cede_to_tick;
1416	}	1597	}
1417		1598
…		…
1449	my ($pl) = @_;	1630	my ($pl) = @_;
1450		1631
1451	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1452		1633
1453	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1636
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1460		1642
1461	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1683
1502	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
1503	my $path = path $login;	1685	my $path = path $login;
1504		1686
1505	# a .pst is a dead give-away for a valid player	1687	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1693	}
1511		1694
…		…
1515		1698
1516	\@logins	1699	\@logins
1517	}	1700	}
1518		1701
1519	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1520		1705
1521	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1522	player. May block.	1707	player. May block.
1523		1708
1524	=cut	1709	=cut
…		…
1542	}	1727	}
1543		1728
1544	\@paths	1729	\@paths
1545	}	1730	}
1546		1731
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1733
1549	Expand crossfire pod fragments into protocol xml.	1734	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1735
1640	=item $player->ext_reply ($msgid, @msg)	1736	=item $player->ext_reply ($msgid, @msg)
1641		1737
1642	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1643		1739
…		…
1675		1771
1676	=cut	1772	=cut
1677		1773
1678	sub find_by_path($) {	1774	sub find_by_path($) {
1679	my ($path) = @_;	1775	my ($path) = @_;
		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
1680		1778
1681	my ($match, $specificity);	1779	my ($match, $specificity);
1682		1780
1683	for my $region (list) {	1781	for my $region (list) {
1684	if ($region->{match} && $path =~ $region->{match}) {	1782	if ($region->{match} && $path =~ $region->{match}) {
…		…
1710	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1712		1810
1713	sub generate_random_map {	1811	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1715	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1716	$self->_create_random_map (	1817	$self->_create_random_map (
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1720	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1721	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1722	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1723	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1745		1846
1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1747	}	1848	}
1748		1849
1749	# also paths starting with '/'	1850	# also paths starting with '/'
1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1751		1852
1752	sub thawer_merge {	1853	sub thawer_merge {
1753	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1754		1855
1755	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
…		…
1841		1942
1842	# the temporary/swap location	1943	# the temporary/swap location
1843	sub save_path {	1944	sub save_path {
1844	my ($self) = @_;	1945	my ($self) = @_;
1845		1946
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1848	}	1949	}
1849		1950
1850	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1851	sub uniq_path {	1952	sub uniq_path {
1852	my ($self) = @_;	1953	my ($self) = @_;
1853		1954
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	1956	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	1957	}
1866		1958
1867	sub decay_objects {	1959	sub decay_objects {
1868	my ($self) = @_;	1960	my ($self) = @_;
1869		1961
…		…
1953	sub find {	2045	sub find {
1954	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1955		2047
1956	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1957		2049
1958	cf::lock_wait "map_data:$path";#d#remove	2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1960		2052
1961	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1966	or return;	2055	or return;
1967		2056
1968	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1969		2058
…		…
1971	or return;	2060	or return;
1972		2061
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
1976	undef $guard1;	2066	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2067	$map->reset;
1979	return find $path;	2068	return find $path;
1980	}	2069	}
1981		2070
1982	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1983	}	2072	}
1984	}	2073	}
1985		2074
1986	sub pre_load { }	2075	sub pre_load { }
1987	sub post_load { }	2076	#sub post_load { } # XS
1988		2077
1989	sub load {	2078	sub load {
1990	my ($self) = @_;	2079	my ($self) = @_;
1991		2080
1992	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2098	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2099	$f->skip_block;
2011	$self->_load_objects ($f)	2100	$self->_load_objects ($f)
2012	or return;	2101	or return;
2013		2102
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
2015	if delete $self->{load_original};	2104	if delete $self->{load_original};
2016		2105
2017	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2107	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2108	unless (aio_stat $uniq) {
…		…
2037	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2127	$self->decay_objects;
2039	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
2040	$self->update_buttons;	2129	$self->update_buttons;
2041	cf::cede_to_tick;	2130	cf::cede_to_tick;
2042	$self->set_darkness_map;
2043	cf::cede_to_tick;
2044	$self->activate;	2131	$self->activate;
2045	}	2132	}
2046		2133
2047	$self->{last_save} = $cf::RUNTIME;	2134	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2135	$self->last_access ($cf::RUNTIME);
2049		2136
2050	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
2051	}	2138	}
2052		2139
2053	$self->post_load;	2140	$self->post_load;
2054	}	2141	}
2055		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
2056	sub customise_for {	2146	sub customise_for {
2057	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
2058		2148
2059	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
2060	if $self->per_player;	2150	if $self->per_player;
…		…
2076	or next;	2166	or next;
2077	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
2078	or next;	2168	or next;
2079	$neigh->load;	2169	$neigh->load;
2080		2170
		2171	# now find the diagonal neighbours
2081	push @neigh,	2172	push @neigh,
2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2084	}	2175	}
2085		2176
…		…
2113	my ($path, $origin, $load) = @_;	2204	my ($path, $origin, $load) = @_;
2114		2205
2115	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
2116		2207
2117	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119	}	2210	}
2120		2211
2121	$MAP_PREFETCH{$path} |= $load;	2212	$MAP_PREFETCH{$path} |= $load;
2122		2213
2123	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
…		…
2137	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
2138		2229
2139	()	2230	()
2140	}	2231	}
2141		2232
		2233	# common code, used by both ->save and ->swapout
2142	sub save {	2234	sub _save {
2143	my ($self) = @_;	2235	my ($self) = @_;
2144
2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
2146		2236
2147	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
2148		2238
2149	return unless $self->dirty;	2239	return unless $self->dirty;
2150		2240
…		…
2159		2249
2160	cf::async {	2250	cf::async {
2161	$Coro::current->{desc} = "map player save";	2251	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
2163	};	2253	};
		2254
		2255	cf::get_slot 0.02;
2164		2256
2165	if ($uniq) {	2257	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2260	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2262	}
2171	}	2263	}
2172		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
2173	sub swap_out {	2273	sub swap_out {
2174	my ($self) = @_;	2274	my ($self) = @_;
2175		2275
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
2181	return if $self->players;	2280	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
2183	return if $self->{deny_save};
2184		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->in_memory (cf::MAP_SWAPPED);	2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
		2291	$self->clear;
		2292	}
		2293
		2294	sub reset_at {
		2295	my ($self) = @_;
		2296
		2297	# TODO: safety, remove and allow resettable per-player maps
		2298	return 1e99 if $self->{deny_reset};
		2299
		2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2302
		2303	$time + $to
		2304	}
		2305
		2306	sub should_reset {
		2307	my ($self) = @_;
		2308
		2309	$self->reset_at <= $cf::RUNTIME
		2310	}
		2311
		2312	sub reset {
		2313	my ($self) = @_;
		2314
		2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2316
		2317	return if $self->players;
		2318
		2319	warn "resetting map ", $self->path, "\n";
		2320
		2321	$self->in_memory (cf::MAP_SWAPPED);
		2322
		2323	# need to save uniques path
		2324	unless ($self->{deny_save}) {
		2325	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2326
		2327	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2328	if $uniq;
		2329	}
		2330
		2331	delete $cf::MAP{$self->path};
2186		2332
2187	$self->deactivate;	2333	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2334	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2335	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2336
2235	$self->unlink_save;	2337	$self->unlink_save;
2236	$self->destroy;	2338	$self->destroy;
2237	}	2339	}
2238		2340
…		…
2246		2348
2247	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
2248		2350
2249	$self->unlink_save;	2351	$self->unlink_save;
2250		2352
2251	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2358
…		…
2305		2407
2306	sub unique_maps() {	2408	sub unique_maps() {
2307	[	2409	[
2308	map {	2410	map {
2309	utf8::decode $_;	2411	utf8::decode $_;
2310	/\.map$/	2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
2311	? normalise $_	2415	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2416	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2417	]
2315	}	2418	}
2316		2419
2317	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
2318		2451
2319	=back	2452	=back
2320		2453
2321	=head3 cf::object	2454	=head3 cf::object
2322		2455
…		…
2326		2459
2327	=over 4	2460	=over 4
2328		2461
2329	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
2330		2463
2331	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
2332		2466
2333	=cut	2467	=cut
2334		2468
2335	sub inv_recursive_;	2469	sub inv_recursive_;
2336	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
2342	}	2476	}
2343		2477
2344	=item $ref = $ob->ref	2478	=item $ref = $ob->ref
2345		2479
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2480	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2481
2348	=item $ob = cf::object::deref ($refstring)	2482	=item $ob = cf::object::deref ($refstring)
2349		2483
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2485	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
2385		2519
2386	=cut	2520	=cut
2387		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
		2535
2388	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2537	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2540	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2551	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2553
2406	} else {	2554	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2557	}
2410	}	2558	}
2411	}	2559	}
2412		2560
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2586
2439	=item $player_object->enter_link	2587	=item $player_object->enter_link
2440		2588
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2590
2443	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
2445		2595
2446	Will never block.	2596	Will never block.
2447		2597
2448	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
2449		2599
…		…
2469	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
2470	my ($self) = @_;	2620	my ($self) = @_;
2471		2621
2472	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
2473		2623
		2624	++$self->{_link_recursion};
		2625
2474	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
2475		2627
2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2477	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
2478		2630
2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2480	}	2632	}
2481		2633
2482	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
2483	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
2484		2636
…		…
2501	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
2502	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
2503		2655
2504	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
2505	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
2506	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
2507		2659
2508	$map->load;	2660	$map->load;
2509	$map->load_neighbours;	2661	$map->load_neighbours;
2510		2662
2511	return unless $self->contr->active;	2663	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2664
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
2516	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
2517		2672
		2673	}
		2674
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2519		2676
2520	Moves the player to the given map-path and coordinates by first freezing	2677	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2678	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2679	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2680	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2681	be called at the end of this process.
2525		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
2526	=cut	2686	=cut
2527		2687
2528	our $GOTOGEN;	2688	our $GOTOGEN;
2529		2689
2530	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
2531	my ($self, $path, $x, $y, $check, $done) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
2532		2698
2533	# do generation counting so two concurrent goto's will be executed in-order	2699	# do generation counting so two concurrent goto's will be executed in-order
2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2535		2701
2536	$self->enter_link;	2702	$self->enter_link;
…		…
2560	my $map = eval {	2726	my $map = eval {
2561	my $map = defined $path ? cf::map::find $path : undef;	2727	my $map = defined $path ? cf::map::find $path : undef;
2562		2728
2563	if ($map) {	2729	if ($map) {
2564	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
2565	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
2566	} else {	2732	} else {
2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568	}	2734	}
2569		2735
2570	$map	2736	$map
…		…
2578	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
2579	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
2580	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
2581	}	2747	}
2582		2748
2583	$done->() if $done;	2749	$done->($self) if $done;
2584	})->prio (1);	2750	})->prio (1);
2585	}	2751	}
2586		2752
2587	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
2588		2754
…		…
2608	}	2774	}
2609		2775
2610	sub prepare_random_map {	2776	sub prepare_random_map {
2611	my ($exit) = @_;	2777	my ($exit) = @_;
2612		2778
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2781	# that depends on the exit object
2618		2782
2619	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2785	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2626	}	2792	}
2627		2793
2628	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2629		2795
2630	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2633		2799
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2802	undef $fh;
2637	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2638		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2641	}	2811	}
2642	}	2812	}
2643		2813
2644	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2646		2816
2647	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2648		2818
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2819	$self->enter_link;
2661		2820
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2821	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2822	$Coro::current->{desc} = "enter_exit";
2668		2823
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2671	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2672		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2673	1;	2845	1
2674	}) {	2846	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2851
2680	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2697	sub cf::client::send_drawinfo {	2869	sub cf::client::send_drawinfo {
2698	my ($self, $text, $flags) = @_;	2870	my ($self, $text, $flags) = @_;
2699		2871
2700	utf8::encode $text;	2872	utf8::encode $text;
2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2874	}
		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
2702	}	2899	}
2703		2900
2704	=item $client->send_msg ($channel, $msg, $color, [extra...])	2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
2705		2902
2706	Send a drawinfo or msg packet to the client, formatting the msg for the	2903	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2710		2907
2711	=cut	2908	=cut
2712		2909
2713	# non-persistent channels (usually the info channel)	2910	# non-persistent channels (usually the info channel)
2714	our %CHANNEL = (	2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
2715	"c/identify" => {	2918	"c/identify" => {
2716	id => "infobox",	2919	id => "infobox",
2717	title => "Identify",	2920	title => "Identify",
2718	reply => undef,	2921	reply => undef,
2719	tooltip => "Items recently identified",	2922	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	2924	"c/examine" => {
2722	id => "infobox",	2925	id => "infobox",
2723	title => "Examine",	2926	title => "Examine",
2724	reply => undef,	2927	reply => undef,
2725	tooltip => "Signs and other items you examined",	2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
2726	},	2935	},
2727	"c/book" => {	2936	"c/book" => {
2728	id => "infobox",	2937	id => "infobox",
2729	title => "Book",	2938	title => "Book",
2730	reply => undef,	2939	reply => undef,
…		…
2746	id => "infobox",	2955	id => "infobox",
2747	title => "Body Parts",	2956	title => "Body Parts",
2748	reply => undef,	2957	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	2958	tooltip => "Shows which body parts you posess and are available",
2750	},	2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
2751	"c/uptime" => {	2996	"c/uptime" => {
2752	id => "infobox",	2997	id => "infobox",
2753	title => "Uptime",	2998	title => "Uptime",
2754	reply => undef,	2999	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	3000	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	3003	id => "infobox",
2759	title => "Map Info",	3004	title => "Map Info",
2760	reply => undef,	3005	reply => undef,
2761	tooltip => "Information related to the maps",	3006	tooltip => "Information related to the maps",
2762	},	3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
2763	);	3022	);
2764		3023
2765	sub cf::client::send_msg {	3024	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	3025	my ($self, $channel, $msg, $color, @extra) = @_;
2767		3026
2768	$msg = $self->pl->expand_cfpod ($msg);	3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
2769		3029
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		3031
2772	# check predefined channels, for the benefit of C	3032	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	3033	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	3034	$channel = $CHANNEL{$channel};
2775		3035
2776	$self->ext_msg (channel_info => $channel)	3036	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	3037	$channel = $channel->{id};
2780		3038
2781	} elsif (ref $channel) {	3039	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	3040	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	3041	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	3042	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	3043	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	3044	}
2788		3045
2789	$channel = $channel->{id};	3046	$channel = $channel->{id};
2790	}	3047	}
2791		3048
2792	return unless @extra || length $msg;	3049	return unless @extra || length $msg;
2793		3050
2794	if ($self->can_msg) {
2795	# default colour, mask it out	3051	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	3053	if $color & cf::NDI_DEF;
2798		3054
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	3058	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		3059
2813	$color &= cf::NDI_COLOR_MASK;	3060	$self->send_big_packet ($pkt);
2814
2815	utf8::encode $msg;
2816
2817	if (0 && $msg =~ /\[/) {
2818	# COMMAND/INFO
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}
2826	}	3061	}
2827		3062
2828	=item $client->ext_msg ($type, @msg)	3063	=item $client->ext_msg ($type, @msg)
2829		3064
2830	Sends an ext event to the client.	3065	Sends an ext event to the client.
…		…
2833		3068
2834	sub cf::client::ext_msg($$@) {	3069	sub cf::client::ext_msg($$@) {
2835	my ($self, $type, @msg) = @_;	3070	my ($self, $type, @msg) = @_;
2836		3071
2837	if ($self->extcmd == 2) {	3072	if ($self->extcmd == 2) {
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839	} elsif ($self->extcmd == 1) { # TODO: remove	3074	} elsif ($self->extcmd == 1) { # TODO: remove
2840	push @msg, msgtype => "event_$type";	3075	push @msg, msgtype => "event_$type";
2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842	}	3077	}
2843	}	3078	}
2844		3079
2845	=item $client->ext_reply ($msgid, @msg)	3080	=item $client->ext_reply ($msgid, @msg)
2846		3081
…		…
2850		3085
2851	sub cf::client::ext_reply($$@) {	3086	sub cf::client::ext_reply($$@) {
2852	my ($self, $id, @msg) = @_;	3087	my ($self, $id, @msg) = @_;
2853		3088
2854	if ($self->extcmd == 2) {	3089	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856	} elsif ($self->extcmd == 1) {	3091	} elsif ($self->extcmd == 1) {
2857	#TODO: version 1, remove	3092	#TODO: version 1, remove
2858	unshift @msg, msgtype => "reply", msgid => $id;	3093	unshift @msg, msgtype => "reply", msgid => $id;
2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860	}	3095	}
2861	}	3096	}
2862		3097
2863	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2864		3099
…		…
2965		3200
2966	$coro	3201	$coro
2967	}	3202	}
2968		3203
2969	cf::client->attach (	3204	cf::client->attach (
2970	on_destroy => sub {	3205	on_client_destroy => sub {
2971	my ($ns) = @_;	3206	my ($ns) = @_;
2972		3207
2973	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2974	},	3209	},
2975	);	3210	);
…		…
2991	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2992		3227
2993	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2994		3229
2995	$safe->permit_only (Opcode::opset qw(	3230	$safe->permit_only (Opcode::opset qw(
2996	:base_core :base_mem :base_orig :base_math	3231	:base_core :base_mem :base_orig :base_math :base_loop
2997	grepstart grepwhile mapstart mapwhile	3232	grepstart grepwhile mapstart mapwhile
2998	sort time	3233	sort time
2999	));	3234	));
3000		3235
3001	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
…		…
3004		3239
3005	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
3006		3241
3007	cf::object	3242	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3243	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3244	insert remove name archname title slaying race decrease split
		3245	value
3010		3246
3011	cf::object::player	3247	cf::object::player
3012	player	3248	player
3013		3249
3014	cf::player	3250	cf::player
…		…
3019		3255
3020	=cut	3256	=cut
3021		3257
3022	for (	3258	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3260	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3261	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
3029	) {	3265	) {
3030	no strict 'refs';	3266	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3050		3286
3051	my $qcode = $code;	3287	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
3054		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
3055	local $_;	3294	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;
3057		3295
3058	my $eval =	3296	my $eval =
3059	"do {\n"	3297	"do {\n"
3060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3061	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
3062	. $code	3300	. $code
3063	. "\n}"	3301	. "\n}"
3064	;	3302	;
3065		3303
		3304	if ($CFG{safe_eval}) {
3066	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
3067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3068	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
3069		3313
3070	if ($@) {	3314	if ($@) {
3071	warn "$@";	3315	warn "$@";
3072	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
3073	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
3092	=cut	3336	=cut
3093		3337
3094	sub register_script_function {	3338	sub register_script_function {
3095	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
3096		3340
3097	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
3098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
3099	}	3343	}
3100		3344
3101	=back	3345	=back
3102		3346
3103	=cut	3347	=cut
…		…
3124		3368
3125	$facedata->{version} == 2	3369	$facedata->{version} == 2
3126	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
3127		3371
3128	# patch in the exptable	3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3129	$facedata->{resource}{"res/exp_table"} = {	3374	$facedata->{resource}{"res/exp_table"} = {
3130	type => FT_RSRC,	3375	type => FT_RSRC,
3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
3132	};	3378	};
3133	cf::cede_to_tick;	3379	cf::cede_to_tick;
3134		3380
3135	{	3381	{
3136	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
3137		3383
3138	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
3140	cf::face::set_visibility $idx, $info->{visibility};	3387	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3388	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3144		3391
3145	cf::cede_to_tick;	3392	cf::cede_to_tick;
3146	}	3393	}
3147		3394
3148	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
3150	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
3151	or next;	3399	or next;
		3400
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3402	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3404	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3170		3419
3171	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
3172	}	3421	}
3173		3422
3174	{	3423	{
3175	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3424	my $res = $facedata->{resource};
3178		3425
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;
3184		3429
3185	if ($info->{type} & 1) {	3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3186	# prepend meta info	3431	cf::face::set_type $idx, $info->{type};
3187
3188	my $meta = $enc->encode ({
3189	name => $name,
3190	%{ $info->{meta} || {} },
3191	});
3192
3193	$data = pack "(w/a*)*", $meta, $info->{data};
3194	} else {	3432	} else {
3195	$data = $info->{data};	3433	$RESOURCE{$name} = $info;
3196	}	3434	}
3197		3435
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3436	cf::cede_to_tick;
3202	}	3437	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3441
3223	1	3442	1
3224	}	3443	}
		3444
		3445	cf::global->attach (on_resource_update => sub {
		3446	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3447	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3448
		3449	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3450	my $sound = $soundconf->{compat}[$_]
		3451	or next;
		3452
		3453	my $face = cf::face::find "sound/$sound->[1]";
		3454	cf::sound::set $sound->[0] => $face;
		3455	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3456	}
		3457
		3458	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3459	my $face = cf::face::find "sound/$v";
		3460	cf::sound::set $k => $face;
		3461	}
		3462	}
		3463	});
3225		3464
3226	register_exticmd fx_want => sub {	3465	register_exticmd fx_want => sub {
3227	my ($ns, $want) = @_;	3466	my ($ns, $want) = @_;
3228		3467
3229	while (my ($k, $v) = each %$want) {	3468	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3469	$ns->fx_want ($k, $v);
3231	}	3470	}
3232	};	3471	};
		3472
		3473	sub load_resource_file($) {
		3474	my $guard = lock_acquire "load_resource_file";
		3475
		3476	my $status = load_resource_file_ $_[0];
		3477	get_slot 0.1, 100;
		3478	cf::arch::commit_load;
		3479
		3480	$status
		3481	}
3233		3482
3234	sub reload_regions {	3483	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3484	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3485	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3486	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3500	}
3252		3501
3253	sub reload_archetypes {	3502	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3503	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3504	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3505	}
3262		3506
3263	sub reload_treasures {	3507	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3508	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3509	or die "unable to load treasurelists\n";
3266	}	3510	}
3267		3511
3268	sub reload_resources {	3512	sub reload_resources {
3269	warn "reloading resource files...\n";	3513	warn "reloading resource files...\n";
3270		3514
		3515	reload_facedata;
		3516	reload_archetypes;
3271	reload_regions;	3517	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3518	reload_treasures;
3276		3519
3277	warn "finished reloading resource files\n";	3520	warn "finished reloading resource files\n";
3278	}	3521	}
3279		3522
3280	sub init {
3281	reload_resources;
3282	}
3283
3284	sub reload_config {	3523	sub reload_config {
		3524	warn "reloading config file...\n";
		3525
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3526	open my $fh, "<:utf8", "$CONFDIR/config"
3286	or return;	3527	or return;
3287		3528
3288	local $/;	3529	local $/;
3289	*CFG = YAML::Syck::Load <$fh>;	3530	*CFG = YAML::XS::Load scalar <$fh>;
3290		3531
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3292		3533
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3295		3536
3296	if (exists $CFG{mlockall}) {	3537	if (exists $CFG{mlockall}) {
…		…
3298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3299	and die "WARNING: m(un)lockall failed: $!\n";	3540	and die "WARNING: m(un)lockall failed: $!\n";
3300	};	3541	};
3301	warn $@ if $@;	3542	warn $@ if $@;
3302	}	3543	}
		3544
		3545	warn "finished reloading resource files\n";
		3546	}
		3547
		3548	sub pidfile() {
		3549	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3550	or die "$PIDFILE: $!";
		3551	flock $fh, &Fcntl::LOCK_EX
		3552	or die "$PIDFILE: flock: $!";
		3553	$fh
		3554	}
		3555
		3556	# make sure only one server instance is running at any one time
		3557	sub atomic {
		3558	my $fh = pidfile;
		3559
		3560	my $pid = <$fh>;
		3561	kill 9, $pid if $pid > 0;
		3562
		3563	seek $fh, 0, 0;
		3564	print $fh $$;
		3565	}
		3566
		3567	sub main_loop {
		3568	warn "EV::loop starting\n";
		3569	if (1) {
		3570	EV::loop;
		3571	}
		3572	warn "EV::loop returned\n";
		3573	goto &main_loop unless $REALLY_UNLOOP;
3303	}	3574	}
3304		3575
3305	sub main {	3576	sub main {
		3577	cf::init_globals; # initialise logging
		3578
		3579	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3580	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3581	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3582	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3583
		3584	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3585
3306	# we must not ever block the main coroutine	3586	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3587	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3588	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3589	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3590	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3591	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3592	})->prio (Coro::PRIO_MAX);
3313	};	3593	};
3314		3594
		3595	evthread_start IO::AIO::poll_fileno;
		3596
		3597	cf::sync_job {
		3598	cf::init_experience;
		3599	cf::init_anim;
		3600	cf::init_attackmess;
		3601	cf::init_dynamic;
		3602
		3603	cf::load_settings;
		3604	cf::load_materials;
		3605
		3606	reload_resources;
3315	reload_config;	3607	reload_config;
3316	db_init;	3608	db_init;
		3609
		3610	cf::init_uuid;
		3611	cf::init_signals;
		3612	cf::init_skills;
		3613
		3614	cf::init_beforeplay;
		3615
		3616	atomic;
		3617
3317	load_extensions;	3618	load_extensions;
3318		3619
3319	$TICK_WATCHER->start;	3620	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3621
		3622	# no (long-running) fork's whatsoever before this point(!)
		3623	use POSIX ();
		3624	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3625
		3626	(pop @POST_INIT)->(0) while @POST_INIT;
		3627	};
		3628
		3629	cf::object::thawer::errors_are_fatal 0;
		3630	warn "parse errors in files are no longer fatal from this point on.\n";
		3631
		3632	main_loop;
3321	}	3633	}
3322		3634
3323	#############################################################################	3635	#############################################################################
3324	# initialisation and cleanup	3636	# initialisation and cleanup
3325		3637
3326	# install some emergency cleanup handlers	3638	# install some emergency cleanup handlers
3327	BEGIN {	3639	BEGIN {
		3640	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3641	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3642	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3643	cf::cleanup "SIG$signal";
3336	},
3337	);	3644	};
3338	}	3645	}
3339	}	3646	}
3340		3647
3341	sub write_runtime {	3648	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";	3649	my $t0 = AE::time;
3343		3650
3344	# first touch the runtime file to show we are still running:	3651	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3652	# the fsync below can take a very very long time.
3346		3653
3347	IO::AIO::aio_utime $runtime, undef, undef;	3654	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3655
3349	my $guard = cf::lock_acquire "write_runtime";	3656	my $guard = cf::lock_acquire "write_runtime";
3350		3657
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3658	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3352	or return;	3659	or return;
3353		3660
3354	my $value = $cf::RUNTIME + 90 + 10;	3661	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3662	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3663	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3673	aio_utime $fh, undef, undef;
3367		3674
3368	close $fh	3675	close $fh
3369	or return;	3676	or return;
3370		3677
3371	aio_rename "$runtime~", $runtime	3678	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3679	and return;
3373		3680
3374	warn "runtime file written.\n";	3681	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3375		3682
3376	1	3683	1
		3684	}
		3685
		3686	our $uuid_lock;
		3687	our $uuid_skip;
		3688
		3689	sub write_uuid_sync($) {
		3690	$uuid_skip ||= $_[0];
		3691
		3692	return if $uuid_lock;
		3693	local $uuid_lock = 1;
		3694
		3695	my $uuid = "$LOCALDIR/uuid";
		3696
		3697	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3698	or return;
		3699
		3700	my $value = uuid_seq uuid_cur;
		3701
		3702	unless ($value) {
		3703	warn "cowardly refusing to write zero uuid value!\n";
		3704	return;
		3705	}
		3706
		3707	my $value = uuid_str $value + $uuid_skip;
		3708	$uuid_skip = 0;
		3709
		3710	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3711	and return;
		3712
		3713	# always fsync - this file is important
		3714	aio_fsync $fh
		3715	and return;
		3716
		3717	close $fh
		3718	or return;
		3719
		3720	aio_rename "$uuid~", $uuid
		3721	and return;
		3722
		3723	warn "uuid file written ($value).\n";
		3724
		3725	1
		3726
		3727	}
		3728
		3729	sub write_uuid($$) {
		3730	my ($skip, $sync) = @_;
		3731
		3732	$sync ? write_uuid_sync $skip
		3733	: async { write_uuid_sync $skip };
3377	}	3734	}
3378		3735
3379	sub emergency_save() {	3736	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3737	my $freeze_guard = cf::freeze_mainloop;
3381		3738
3382	warn "enter emergency perl save\n";	3739	warn "emergency_perl_save: enter\n";
3383		3740
3384	cf::sync_job {	3741	cf::sync_job {
		3742	# this is a trade-off: we want to be very quick here, so
		3743	# save all maps without fsync, and later call a global sync
		3744	# (which in turn might be very very slow)
		3745	local $USE_FSYNC = 0;
		3746
3385	# use a peculiar iteration method to avoid tripping on perl	3747	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3748	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3749	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3750	warn "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3751	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3752	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3753	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3754	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3755	$pl->save;
3394	}	3756	}
3395	warn "end emergency player save\n";	3757	warn "emergency_perl_save: end player save\n";
3396		3758
3397	warn "begin emergency map save\n";	3759	warn "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3760	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3761	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3762	$map->valid or next;
3401	$map->save;	3763	$map->save;
3402	}	3764	}
3403	warn "end emergency map save\n";	3765	warn "emergency_perl_save: end map save\n";
3404		3766
3405	warn "begin emergency database checkpoint\n";	3767	warn "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3768	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3769	warn "emergency_perl_save: end database checkpoint\n";
		3770
		3771	warn "emergency_perl_save: begin write uuid\n";
		3772	write_uuid_sync 1;
		3773	warn "emergency_perl_save: end write uuid\n";
3408	};	3774	};
3409		3775
		3776	warn "emergency_perl_save: starting sync()\n";
		3777	IO::AIO::aio_sync sub {
		3778	warn "emergency_perl_save: finished sync()\n";
		3779	};
		3780
3410	warn "leave emergency perl save\n";	3781	warn "emergency_perl_save: leave\n";
3411	}	3782	}
3412		3783
3413	sub post_cleanup {	3784	sub post_cleanup {
3414	my ($make_core) = @_;	3785	my ($make_core) = @_;
3415		3786
3416	warn Carp::longmess "post_cleanup backtrace"	3787	warn Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3788	if $make_core;
		3789
		3790	my $fh = pidfile;
		3791	unlink $PIDFILE if <$fh> == $$;
		3792	}
		3793
		3794	# a safer delete_package, copied from Symbol
		3795	sub clear_package($) {
		3796	my $pkg = shift;
		3797
		3798	# expand to full symbol table name if needed
		3799	unless ($pkg =~ /^main::.*::$/) {
		3800	$pkg = "main$pkg" if $pkg =~ /^::/;
		3801	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3802	$pkg .= '::' unless $pkg =~ /::$/;
		3803	}
		3804
		3805	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3806	my $stem_symtab = *{$stem}{HASH};
		3807
		3808	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3809	or return;
		3810
		3811	# clear all symbols
		3812	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3813	for my $name (keys %$leaf_symtab) {
		3814	_gv_clear *{"$pkg$name"};
		3815	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3816	}
3418	}	3817	}
3419		3818
3420	sub do_reload_perl() {	3819	sub do_reload_perl() {
3421	# can/must only be called in main	3820	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3821	if (in_main) {
3423	warn "can only reload from main coroutine";	3822	warn "can only reload from main coroutine";
3424	return;	3823	return;
3425	}	3824	}
3426		3825
		3826	return if $RELOAD++;
		3827
		3828	my $t1 = AE::time;
		3829
		3830	while ($RELOAD) {
3427	warn "reloading...";	3831	warn "reloading...";
3428		3832
3429	warn "entering sync_job";	3833	warn "entering sync_job";
3430		3834
3431	cf::sync_job {	3835	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark	3836	cf::write_runtime_sync; # external watchdog should not bark
3433	cf::emergency_save;	3837	cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark	3838	cf::write_runtime_sync; # external watchdog should not bark
3435		3839
3436	warn "syncing database to disk";	3840	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3841	BDB::db_env_txn_checkpoint $DB_ENV;
3438		3842
3439	# if anything goes wrong in here, we should simply crash as we already saved	3843	# if anything goes wrong in here, we should simply crash as we already saved
3440		3844
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";	3845	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;	3846	while (IO::AIO::nreqs || BDB::nreqs) {
3452	warn "iterate...";	3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();
3460
3461	warn "removing commands";
3462	%COMMAND = ();
3463
3464	warn "removing ext/exti commands";
3465	%EXTCMD = ();
3466	%EXTICMD = ();
3467
3468	warn "unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";
3471
3472	if (my $cb = $pkg->can ("unload")) {
3473	eval {
3474	$cb->($pkg);
3475	1
3476	} or warn "$pkg unloaded, but with errors: $@";
3477	}	3848	}
3478		3849
3479	warn "... nuking $pkg";	3850	warn "cancelling all extension coros";
3480	Symbol::delete_package $pkg;	3851	$_->cancel for values %EXT_CORO;
3481	}	3852	%EXT_CORO = ();
3482		3853
3483	warn "unloading all perl modules loaded from $LIBDIR";	3854	warn "removing commands";
3484	while (my ($k, $v) = each %INC) {	3855	%COMMAND = ();
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3856
		3857	warn "removing ext/exti commands";
		3858	%EXTCMD = ();
		3859	%EXTICMD = ();
		3860
		3861	warn "unloading/nuking all extensions";
		3862	for my $pkg (@EXTS) {
3487	warn "... unloading $k";	3863	warn "... unloading $pkg";
3488	delete $INC{$k};
3489		3864
3490	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;
3492
3493	if (my $cb = $k->can ("unload_module")) {	3865	if (my $cb = $pkg->can ("unload")) {
		3866	eval {
3494	$cb->();	3867	$cb->($pkg);
		3868	1
		3869	} or warn "$pkg unloaded, but with errors: $@";
		3870	}
		3871
		3872	warn "... clearing $pkg";
		3873	clear_package $pkg;
3495	}	3874	}
3496		3875
3497	Symbol::delete_package $k;	3876	warn "unloading all perl modules loaded from $LIBDIR";
		3877	while (my ($k, $v) = each %INC) {
		3878	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3879
		3880	warn "... unloading $k";
		3881	delete $INC{$k};
		3882
		3883	$k =~ s/\.pm$//;
		3884	$k =~ s/\//::/g;
		3885
		3886	if (my $cb = $k->can ("unload_module")) {
		3887	$cb->();
		3888	}
		3889
		3890	clear_package $k;
3498	}	3891	}
3499		3892
3500	warn "getting rid of safe::, as good as possible";	3893	warn "getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	3894	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3895	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		3896
3504	warn "unloading cf.pm \"a bit\"";	3897	warn "unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	3898	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	3899	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		3900
3508	# don't, removes xs symbols, too,	3901	# don't, removes xs symbols, too,
3509	# and global variables created in xs	3902	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	3903	#clear_package __PACKAGE__;
3511		3904
3512	warn "unload completed, starting to reload now";	3905	warn "unload completed, starting to reload now";
3513		3906
3514	warn "reloading cf.pm";	3907	warn "reloading cf.pm";
3515	require cf;	3908	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3909	cf::_connect_to_perl_1;
3517		3910
3518	warn "loading config and database again";	3911	warn "loading config and database again";
3519	cf::reload_config;	3912	cf::reload_config;
3520		3913
3521	warn "loading extensions";	3914	warn "loading extensions";
3522	cf::load_extensions;	3915	cf::load_extensions;
3523		3916
		3917	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	3918	warn "reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	3919	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	3920	warn "reattaching attachments to maps";
3527	reattach $_ for values %MAP;	3921	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	3922	warn "reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	3923	reattach $_ for values %PLAYER;
		3924	}
3530		3925
		3926	warn "running post_init jobs";
		3927	(pop @POST_INIT)->(1) while @POST_INIT;
		3928
3531	warn "leaving sync_job";	3929	warn "leaving sync_job";
3532		3930
3533	1	3931	1
3534	} or do {	3932	} or do {
3535	warn $@;	3933	warn $@;
3536	warn "error while reloading, exiting.";	3934	cf::cleanup "error while reloading, exiting.";
3537	exit 1;
3538	};	3935	};
3539		3936
3540	warn "reloaded";	3937	warn "reloaded";
		3938	--$RELOAD;
		3939	}
		3940
		3941	$t1 = AE::time - $t1;
		3942	warn "reload completed in ${t1}s\n";
3541	};	3943	};
3542		3944
3543	our $RELOAD_WATCHER; # used only during reload	3945	our $RELOAD_WATCHER; # used only during reload
3544		3946
3545	sub reload_perl() {	3947	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	3948	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	3949	# coro crashes during coro_state_free->destroy here.
3548		3950
3549	$RELOAD_WATCHER ||= Event->timer (	3951	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	3952	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	3953
3552	data => WF_AUTOCANCEL,	3954	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	3955	do_reload_perl;
3555	undef $RELOAD_WATCHER;	3956	undef $RELOAD_WATCHER;
3556	},	3957	};
3557	);	3958	};
3558	}	3959	}
3559		3960
3560	register_command "reload" => sub {	3961	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	3962	my ($who, $arg) = @_;
3562		3963
…		…
3575		3976
3576	our @WAIT_FOR_TICK;	3977	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	3978	our @WAIT_FOR_TICK_BEGIN;
3578		3979
3579	sub wait_for_tick {	3980	sub wait_for_tick {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	3981	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3582		3982
3583	my $signal = new Coro::Signal;	3983	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	3984	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	3985	$signal->wait;
3586	}	3986	}
3587		3987
3588	sub wait_for_tick_begin {	3988	sub wait_for_tick_begin {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	3989	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3591		3990
3592	my $signal = new Coro::Signal;	3991	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	3992	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	3993	$signal->wait;
3595	}	3994	}
3596		3995
3597	$TICK_WATCHER = Event->timer (	3996	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	3997	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3998	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3999	unless ++$bug_warning > 10;
3607	return;	4000	return;
3608	}	4001	}
3609		4002
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	4003	cf::server_tick; # one server iteration
3613		4004
3614	$RUNTIME += $TICK;	4005	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3615	$NEXT_TICK += $TICK;
3616		4006
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4007	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	4008	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4009	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4010	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4011	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4012	or warn "ERROR: unable to write runtime file: $!";
3623	};
3624	}	4013	};
		4014	}
3625		4015
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4016	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4017	$sig->send;
3628	}	4018	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4019	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	4020	$sig->send;
3631	}	4021	}
3632		4022
3633	$NOW = Event::time;	4023	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4024	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		4025
3644	_post_tick;	4026	if (0) {
		4027	if ($NEXT_TICK) {
		4028	my $jitter = $TICK_START - $NEXT_TICK;
		4029	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4030	warn "jitter $JITTER\n";#d#
		4031	}
3645	},	4032	}
3646	);	4033	}
3647		4034
3648	{	4035	{
		4036	# configure BDB
		4037
3649	BDB::min_parallel 8;	4038	BDB::min_parallel 16;
3650	BDB::max_poll_time $TICK * 0.1;	4039	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	4040	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		4041
3675	unless ($DB_ENV) {	4042	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	4043	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4044	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	4045	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4046	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4047	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4048	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		4049
3682	cf::sync_job {	4050	cf::sync_job {
3683	eval {	4051	eval {
…		…
3693		4061
3694	cf::cleanup "db_env_open(db): $@" if $@;	4062	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	4063	};
3696	}	4064	}
3697		4065
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	4066	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4067	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	4068	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	4069	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4070	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	4071	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	4072	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4073	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	4074	};
3728	}	4075	}
3729		4076
3730	{	4077	{
		4078	# configure IO::AIO
		4079
3731	IO::AIO::min_parallel 8;	4080	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	4081	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	4082	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	4083	}
3744		4084
3745	my $_log_backtrace;	4085	my $_log_backtrace;
3746		4086
3747	sub _log_backtrace {	4087	sub _log_backtrace {
…		…
3750	$msg =~ s/\n//;	4090	$msg =~ s/\n//;
3751		4091
3752	# limit the # of concurrent backtraces	4092	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	4093	if ($_log_backtrace < 2) {
3754	++$_log_backtrace;	4094	++$_log_backtrace;
		4095	my $perl_bt = Carp::longmess $msg;
3755	async {	4096	async {
3756	$Coro::current->{desc} = "abt $msg";	4097	$Coro::current->{desc} = "abt $msg";
3757		4098
3758	my @bt = fork_call {	4099	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	4100	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4111	}
3771		4112
3772	@funcs	4113	@funcs
3773	};	4114	};
3774		4115
3775	LOG llevInfo, "[ABT] $msg\n";	4116	LOG llevInfo, "[ABT] $perl_bt\n";
		4117	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4118	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4119	--$_log_backtrace;
3778	};	4120	};
3779	} else {	4121	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4122	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4123	LOG llevInfo, "[ABT] [suppressed]\n";
3782	}	4124	}
3783	}	4125	}
3784		4126
3785	# load additional modules	4127	# load additional modules
3786	use cf::pod;	4128	require "cf/$_.pm" for @EXTRA_MODULES;
		4129	cf::_connect_to_perl_2;
3787		4130
3788	END { cf::emergency_save }	4131	END { cf::emergency_save }
3789		4132
3790	1	4133	1
3791		4134

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