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Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
36		36
		37	use Guard ();
37	use Coro ();	38	use Coro ();
38	use Coro::State;	39	use Coro::State;
39	use Coro::Handle;	40	use Coro::Handle;
40	use Coro::EV;	41	use Coro::EV;
41	use Coro::AnyEvent;	42	use Coro::AnyEvent;
42	use Coro::Timer;	43	use Coro::Timer;
43	use Coro::Signal;	44	use Coro::Signal;
44	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	47	use Coro::AnyEvent;
46	use Coro::AIO;	48	use Coro::AIO;
47	use Coro::BDB 1.6;	49	use Coro::BDB 1.6;
48	use Coro::Storable;	50	use Coro::Storable;
49	use Coro::Util ();	51	use Coro::Util ();
50		52
51	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
52	use BDB ();	54	use BDB ();
53	use Data::Dumper;	55	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	56	use Fcntl;
56	use YAML ();	57	use YAML::XS ();
57	use IO::AIO ();	58	use IO::AIO ();
58	use Time::HiRes;	59	use Time::HiRes;
59	use Compress::LZF;	60	use Compress::LZF;
60	use Digest::MD5 ();	61	use Digest::MD5 ();
61		62
…		…
63		64
64	# configure various modules to our taste	65	# configure various modules to our taste
65	#	66	#
66	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		75
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		78
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
76		85
77	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
87	our $DATADIR = datadir;	98	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
91	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
97	our %RESOURCE;	111	our %RESOURCE; # unused
		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;
98		118
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	121	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		123
104	our $BDB_DEADLOCK_WATCHER;	124	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	125	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	127	our $DB_ENV;
108		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		130
109	our %CFG;	131	our %CFG;
110		132
111	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	134	our $RUNTIME;
113	our $NOW;	135	our $NOW;
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	146	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
126		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
127	binmode STDOUT;	154	binmode STDOUT;
128	binmode STDERR;	155	binmode STDERR;
129		156
130	# read virtual server time, if available	157	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
135	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
136		165
137	mkdir $_	166	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		168
140	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
141		170
142	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::"} };
143		187
144	#############################################################################	188	#############################################################################
145		189
146	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
147		191
…		…
189	from wherever your confdir points to.	233	from wherever your confdir points to.
190		234
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		236
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
194	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 thread
195	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.
196		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
197	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
198		247
199	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201	that call.	250	that call.
202		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
203	=back	258	=back
204		259
205	=cut	260	=cut
206		261
207	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
208	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
209	my $msg = join "", @_;	269	my $msg = join "", @_;
210		270
211	$msg .= "\n"	271	$msg .= "\n"
212	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
213		273
214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215		275
216	LOG llevError, $msg;	276	LOG llevWarn, $msg;
217	};	277	};
218	}
219		278
220	$Coro::State::DIEHOOK = sub {	279	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	280	return unless $^S eq 0; # "eq", not "=="
222		281
223	if ($Coro::current == $Coro::main) {#d#	282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	285	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	286	return;#d#
226	}#d#	287	}#d#
227		288
228	# kill coroutine otherwise	289	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	290	Coro::terminate
231	};	291	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		292
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	310	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	312	}
255		313
256	$EV::DIED = sub {	314	$EV::DIED = sub {
257	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
258	};	316	};
259		317
260	#############################################################################	318	#############################################################################
261		319
262	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		358
301	sub encode_json($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
303		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
304	=item cf::lock_wait $string	405	=item cf::lock_wait $string
305		406
306	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
307		408
308	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
309		410
310	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
313	returned.	414	returned.
314		415
315	Locks are *not* recursive, locking from the same coro twice results in a	416	Locks are *not* recursive, locking from the same coro twice results in a
316	deadlocked coro.	417	deadlocked coro.
…		…
322		423
323	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
324		425
325	=cut	426	=cut
326		427
327	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		429
330	sub lock_wait($) {	430	sub lock_wait($) {
331	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	432	}
344		433
345	sub lock_acquire($) {	434	sub lock_acquire($) {
346	my ($key) = @_;	435	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	436	}
360		437
361	sub lock_active($) {	438	sub lock_active($) {
362	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	440	}
366		441
367	sub freeze_mainloop {	442	sub freeze_mainloop {
368	tick_inhibit_inc;	443	tick_inhibit_inc;
369		444
370	Coro::guard \&tick_inhibit_dec;	445	&Guard::guard (\&tick_inhibit_dec);
371	}	446	}
372		447
373	=item cf::periodic $interval, $cb	448	=item cf::periodic $interval, $cb
374		449
375	Like EV::periodic, but randomly selects a starting point so that the actions	450	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	451	get spread over time.
377		452
378	=cut	453	=cut
379		454
380	sub periodic($$) {	455	sub periodic($$) {
381	my ($interval, $cb) = @_;	456	my ($interval, $cb) = @_;
…		…
398		473
399	=cut	474	=cut
400		475
401	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
403		479
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	482	$Coro::current->desc ("timeslot manager");
407		483
408	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
409		486
410	while () {	487	while () {
411	next_job:	488	next_job:
		489
412	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	491
414	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	496	$job->[2]->send;
418	Coro::cede;	497	Coro::cede;
419	goto next_job;	498	goto next_job;
420	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	501	}
422	}	502	}
423		503
424	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;	507	$signal->wait;
428	} else {	508	} else {
		509	$busy = 0;
429	Coro::schedule;	510	Coro::schedule;
430	}	511	}
431	}	512	}
432	};	513	};
433		514
434	sub get_slot($;$$) {	515	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	516	return if tick_inhibit || $Coro::current == $Coro::main;
436		517
437	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
438		519
439	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
440	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
441		523
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
470	=cut	552	=cut
471		553
472	sub sync_job(&) {	554	sub sync_job(&) {
473	my ($job) = @_;	555	my ($job) = @_;
474		556
475	if ($Coro::current == $Coro::main) {	557	if (in_main) {
476	my $time = EV::time;	558	my $time = AE::time;
477		559
478	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
480		562
481	LOG llevError, Carp::longmess "sync job";#d#	563	#LOG llevError, Carp::longmess "sync job";#d#
482		564
483	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
484		566
485	my $busy = 1;	567	my $busy = 1;
486	my @res;	568	my @res;
487		569
488	(async {	570	(async {
489	$Coro::current->desc ("sync job coro");	571	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	572	@res = eval { $job->() };
491	warn $@ if $@;	573	error $@ if $@;
492	undef $busy;	574	undef $busy;
493	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
494		576
495	while ($busy) {	577	while ($busy) {
496	if (Coro::nready) {	578	if (Coro::nready) {
…		…
498	} else {	580	} else {
499	EV::loop EV::LOOP_ONESHOT;	581	EV::loop EV::LOOP_ONESHOT;
500	}	582	}
501	}	583	}
502		584
503	my $time = EV::time - $time;	585	my $time = AE::time - $time;
504		586
505	$TICK_START += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
506		588
507	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
508	} else {	590	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
531		613
532	$coro	614	$coro
533	}	615	}
534		616
535	=item fork_call { }, $args	617	=item fork_call { }, @args
536		618
537	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	622	never block itself or use any form of event handling.
541		623
542	=cut	624	=cut
543		625
		626	sub post_fork {
		627	reset_signals;
		628	}
		629
544	sub fork_call(&@) {	630	sub fork_call(&@) {
545	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
546		632
547	# we seemingly have to make a local copy of the whole thing,	633	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
550		636
551	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
552	reset_signals;	638	cf::post_fork;
553	&$cb	639	&$cb
554	}, @args;	640	} @args;
555		641
556	wantarray ? @res : $res[-1]	642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
557	}	654	}
558		655
559	=item $coin = coin_from_name $name	656	=item $coin = coin_from_name $name
560		657
561	=cut	658	=cut
…		…
598	within each server.	695	within each server.
599		696
600	=cut	697	=cut
601		698
602	sub db_table($) {	699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
603	my ($name) = @_;	703	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	704	my $db = BDB::db_create $DB_ENV;
605		705
606	eval {	706	eval {
607	$db->set_flags (BDB::CHKSUM);	707	$db->set_flags (BDB::CHKSUM);
…		…
617	}	717	}
618		718
619	our $DB;	719	our $DB;
620		720
621	sub db_init {	721	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	722	$DB ||= db_table "db";
624	};
625	}	723	}
626		724
627	sub db_get($$) {	725	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
629		727
630	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
631	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
632		732
633	$! ? ()	733	$! ? ()
634	: $data	734	: $data
635	}
636	}	735	}
637		736
638	sub db_put($$$) {	737	sub db_put($$$) {
639	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
696		795
697	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
698	my $data = $process->(\@data);	797	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
700		799
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		801
703	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
706		805
…		…
716		815
717	=cut	816	=cut
718		817
719	sub datalog($@) {	818	sub datalog($@) {
720	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	821	}
723		822
724	=back	823	=back
725		824
726	=cut	825	=cut
727		826
728	#############################################################################	827	#############################################################################
729		828
730	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
731		830
732	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
735		834
736	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
788		887
789	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
791		890
792	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
794		893
795	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
796		895
797	=over 4	896	=over 4
…		…
921		1020
922	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1023
925	} elsif (ref $type) {	1024	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
927		1026
928	} else {	1027	} else {
929	shift @arg;	1028	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
931	}	1030	}
932	}	1031	}
933	}	1032	}
934		1033
935	sub _object_attach {	1034	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
946	}	1045	}
947		1046
948	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
949	} else {	1048	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1050	}
952		1051
953	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
954	}	1053	}
955		1054
…		…
1014		1113
1015	for (@$callbacks) {	1114	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
1017		1116
1018	if ($@) {	1117	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1119	override;
1022	}	1120	}
1023		1121
1024	return 1 if $override;	1122	return 1 if $override;
1025	}	1123	}
…		…
1104	for (@$attach) {	1202	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
1107	}	1205	}
1108	} else {	1206	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1208	}
1111	}	1209	}
1112	}	1210	}
1113		1211
1114	cf::attachable->attach (	1212	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1142		1240
1143	sync_job {	1241	sync_job {
1144	if (length $$rdata) {	1242	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1243	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1148		1247
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1249	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
1153	aio_close $fh;	1255	aio_close $fh;
1154		1256
1155	if (@$objs) {	1257	if (@$objs) {
1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1259	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1160	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
1161	aio_close $fh;	1266	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1268	}
1164	} else {	1269	} else {
1165	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1166	}	1271	}
1167		1272
1168	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1277	} else {
1170	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1171	}	1279	}
1172	} else {	1280	} else {
1173	aio_unlink $filename;	1281	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1175	}	1283	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1307	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1308	$av = $st->{objs};
1201	}	1309	}
1202		1310
1203	utf8::decode (my $decname = $filename);	1311	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
1206		1315
1207	($data, $av)	1316	($data, $av)
1208	}	1317	}
1209		1318
1210	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
…		…
1266	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1267		1376
1268	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1269	}	1378	}
1270		1379
		1380	use File::Glob ();
		1381
1271	cf::player->attach (	1382	cf::player->attach (
1272	on_command => sub {	1383	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1274		1385
1275	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1276	or return;	1387	or return;
1277		1388
…		…
1300		1411
1301	$pl->ext_reply ($reply, @reply)	1412	$pl->ext_reply ($reply, @reply)
1302	if $reply;	1413	if $reply;
1303		1414
1304	} else {	1415	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1417	}
1307		1418
1308	cf::override;	1419	cf::override;
1309	},	1420	},
1310	);	1421	);
1311		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1312	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1313	cf::sync_job {	1439	cf::sync_job {
1314	my %todo;	1440	my %todo;
1315		1441
1316	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1443	next unless -r $path;
…		…
1335		1461
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1464
1339	$ext{source} =	1465	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1342	. $source	1468	. $source
1343	. "\n};\n1";	1469	. "\n};\n1";
1344		1470
1345	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1346	}	1472	}
1347		1473
		1474	my $pass = 0;
1348	my %done;	1475	my %done;
1349	while (%todo) {	1476	while (%todo) {
1350	my $progress;	1477	my $progress;
1351		1478
		1479	++$pass;
		1480
		1481	ext:
1352	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1484	next ext
1355	unless exists $done{$_};	1485	unless exists $done{$_};
1356	}	1486	}
1357		1487
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1489
1360	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1494
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1496	if exists $v->{meta}{mandatory};
1368		1497
1369	warn $msg;	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1370	}	1507	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1508	}
1376		1509
1377	skip:	1510	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1380	}	1518	}
1381	};	1519	};
1382	}	1520	}
1383		1521
1384	#############################################################################	1522	#############################################################################
1385		1523
1386	=back	1524	=back
1387		1525
1388	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1389		1527
1390	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1391		1529
1392	=cut	1530	=cut
1393		1531
1394	package cf::player;	1532	package cf::player;
1395		1533
…		…
1438		1576
1439	sub exists($) {	1577	sub exists($) {
1440	my ($login) = @_;	1578	my ($login) = @_;
1441		1579
1442	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1444	}	1582	}
1445		1583
1446	sub find($) {	1584	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1586	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1469	}	1607	}
1470	}	1608	}
1471	}	1609	}
1472		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
		1623
1473	sub save($) {	1624	sub save($) {
1474	my ($pl) = @_;	1625	my ($pl) = @_;
1475		1626
1476	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
1477		1628
…		…
1482		1633
1483	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1485		1636
1486	cf::get_slot 0.01;	1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1487		1641
1488	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1643	cf::cede_to_tick;
1490	}	1644	}
1491		1645
…		…
1523	my ($pl) = @_;	1677	my ($pl) = @_;
1524		1678
1525	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1526		1680
1527	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1528	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1529		1683
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1685	$pl->deactivate;
		1686
1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1535	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1536		1692
1537	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1593	\@logins	1749	\@logins
1594	}	1750	}
1595		1751
1596	=item $player->maps	1752	=item $player->maps
1597		1753
		1754	=item cf::player::maps $login
		1755
1598	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1599	player. May block.	1757	player. May block.
1600		1758
1601	=cut	1759	=cut
1602		1760
…		…
1619	}	1777	}
1620		1778
1621	\@paths	1779	\@paths
1622	}	1780	}
1623		1781
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1783
1626	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	sub expand_cfpod {
1631	my ($self, $pod) = @_;
1632
1633	my @nest = [qr<\G$>, undef, ""];
1634	my $xml;
1635
1636	for ($pod) {
1637	while () {
1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639	$xml .= $1;
1640	} elsif (/\G\n(?=\S)/xgcs) {
1641	$xml .= " ";
1642	} elsif (/\G\n/xgcs) {
1643	$xml .= "\n";
1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645	my ($code, $delim) = ($1, scalar reverse $2);
1646	$delim =~ y/</>/; # delim now contains the stop sequence
1647	$delim = qr{\G\Q$delim};
1648
1649	my $cb;
1650
1651	if ($code eq "B") {
1652	$cb = sub { "<b>$_[0]</b>" };
1653	} elsif ($code eq "C") {
1654	$cb = sub { "<tt>$_[0]</tt>" };
1655	} elsif ($code eq "E") {
1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657	} elsif ($code eq "G") {
1658	$cb = sub {
1659	my ($male, $female) = split /\|/, $_[0];
1660	$self->gender ? $female : $male
1661	};
1662	} elsif ($code eq "H") {
1663	$cb = sub {
1664	(
1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667	"",
1668	)[$self->{hintmode}];
1669	};
1670	} elsif ($code eq "I") {
1671	$cb = sub { "<i>$_[0]</i>" };
1672	} elsif ($code eq "T") {
1673	$cb = sub { "<big><b>$_[0]</b></big>" };
1674	} elsif ($code eq "U") {
1675	$cb = sub { "<u>$_[0]</u>" };
1676	} elsif ($code eq "Z") {
1677	$cb = sub { };
1678	} else {
1679	die "FATAL error in expand_cfpod";
1680	}
1681
1682	push @nest, [$delim, $cb, $xml];
1683	undef $xml;
1684
1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
1686	my $nest = pop @nest;
1687
1688	if ($nest->[1]) {
1689	$xml = $nest->[2] . $nest->[1]->($xml);
1690	} else {
1691	last;
1692	}
1693	} elsif (/\G</xgcs) {
1694	$xml .= "&lt;";
1695	} elsif (/\G&/xgcs) {
1696	$xml .= "&amp;";
1697	} elsif (/\G>/xgcs) {
1698	$xml .= ">";
1699	} else {
1700	if ($pod =~ /\G(.+)/xgcs) {
1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702	last;
1703	} else {
1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706	}
1707	}
1708	}
1709	}
1710
1711	$xml
1712	}
1713
1714	sub hintmode {
1715	$_[0]{hintmode} = $_[1] if @_ > 1;
1716	$_[0]{hintmode}
1717	}
1718		1785
1719	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1720		1787
1721	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1722		1789
…		…
1754		1821
1755	=cut	1822	=cut
1756		1823
1757	sub find_by_path($) {	1824	sub find_by_path($) {
1758	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1759		1828
1760	my ($match, $specificity);	1829	my ($match, $specificity);
1761		1830
1762	for my $region (list) {	1831	for my $region (list) {
1763	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1792	sub generate_random_map {	1861	sub generate_random_map {
1793	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1794		1863
1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796		1865
1797	# mit "rum" bekleckern, nicht
1798	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1802	$rmp->{exit_on_final_map},
1803	$rmp->{xsize}, $rmp->{ysize},
1804	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1805	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1806	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1807	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1809	(cf::region::find $rmp->{region}), $rmp->{custom}
1810	)
1811	}	1867	}
1812		1868
1813	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1814		1870
1815	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1820		1876
1821	sub register {	1877	sub register {
1822	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1823	my $pkg = caller;	1879	my $pkg = caller;
1824		1880
1825	no strict;
1826	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1827		1882
1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1829	}	1884	}
1830		1885
1831	# also paths starting with '/'	1886	# also paths starting with '/'
1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1833		1888
1834	sub thawer_merge {	1889	sub thawer_merge {
1835	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1836		1891
1837	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
…		…
1842	}	1897	}
1843		1898
1844	sub normalise {	1899	sub normalise {
1845	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1846		1901
1847	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1848		1903
1849	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1850		1905
1851	# map plan:	1906	# map plan:
1852	#	1907	#
…		…
1867	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1868	$path = "$base/$path";	1923	$path = "$base/$path";
1869	}	1924	}
1870		1925
1871	for ($path) {	1926	for ($path) {
1872	redo if s{//}{/};
1873	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1874	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1875	}	1929	}
1876		1930
1877	$path	1931	$path
…		…
1891	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1892	return $self;	1946	return $self;
1893	}	1947	}
1894	}	1948	}
1895		1949
1896	Carp::cluck "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1897	()	1951	()
1898	}	1952	}
1899		1953
1900	sub init {	1954	sub init {
1901	my ($self) = @_;	1955	my ($self) = @_;
…		…
1933	sub uniq_path {	1987	sub uniq_path {
1934	my ($self) = @_;	1988	my ($self) = @_;
1935		1989
1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1937	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1938	}
1939
1940	# and all this just because we cannot iterate over
1941	# all maps in C++...
1942	sub change_all_map_light {
1943	my ($change) = @_;
1944
1945	$_->change_map_light ($change)
1946	for grep $_->outdoor, values %cf::MAP;
1947	}	1992	}
1948		1993
1949	sub decay_objects {	1994	sub decay_objects {
1950	my ($self) = @_;	1995	my ($self) = @_;
1951		1996
…		…
2033		2078
2034	sub find;	2079	sub find;
2035	sub find {	2080	sub find {
2036	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
2037		2082
		2083	cf::cede_to_tick;
		2084
2038	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
2039		2086
2040	cf::lock_wait "map_data:$path";#d#remove	2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2041	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
2042		2089
2043	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2045	my $guard2 = cf::lock_acquire "map_find:$path";
2046
2047	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
2048	or return;	2092	or return;
2049		2093
2050	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
2051		2095
…		…
2063		2107
2064	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
2065	}	2109	}
2066	}	2110	}
2067		2111
2068	sub pre_load { }	2112	sub pre_load { }
2069	sub post_load { }	2113	#sub post_load { } # XS
2070		2114
2071	sub load {	2115	sub load {
2072	my ($self) = @_;	2116	my ($self) = @_;
2073		2117
2074	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2119	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
2120	$self->decay_objects;	2164	$self->decay_objects;
2121	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
2122	$self->update_buttons;	2166	$self->update_buttons;
2123	cf::cede_to_tick;	2167	cf::cede_to_tick;
2124	$self->set_darkness_map;
2125	cf::cede_to_tick;
2126	$self->activate;	2168	$self->activate;
2127	}	2169	}
2128		2170
2129	$self->{last_save} = $cf::RUNTIME;	2171	$self->{last_save} = $cf::RUNTIME;
2130	$self->last_access ($cf::RUNTIME);	2172	$self->last_access ($cf::RUNTIME);
2131		2173
2132	$self->in_memory (cf::MAP_ACTIVE);	2174	$self->in_memory (cf::MAP_ACTIVE);
2133	}	2175	}
2134		2176
2135	$self->post_load;	2177	$self->post_load;
2136	}
2137		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
2138	sub customise_for {	2185	sub customise_for {
2139	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
2140		2187
2141	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
2142	if $self->per_player;	2189	if $self->per_player;
…		…
2158	or next;	2205	or next;
2159	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
2160	or next;	2207	or next;
2161	$neigh->load;	2208	$neigh->load;
2162		2209
		2210	# now find the diagonal neighbours
2163	push @neigh,	2211	push @neigh,
2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2166	}	2214	}
2167		2215
…		…
2174	}	2222	}
2175		2223
2176	sub find_sync {	2224	sub find_sync {
2177	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
2178		2226
2179	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
2180	}	2231	}
2181		2232
2182	sub do_load_sync {	2233	sub do_load_sync {
2183	my ($map) = @_;	2234	my ($map) = @_;
2184		2235
2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2186	if $Coro::current == $Coro::main;	2237	if $Coro::current == $Coro::main;
2187		2238
2188	cf::sync_job { $map->load };	2239	$map->load;
2189	}	2240	}
2190		2241
2191	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
2192	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
2193		2244
…		…
2219	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
2220		2271
2221	()	2272	()
2222	}	2273	}
2223		2274
		2275	# common code, used by both ->save and ->swapout
2224	sub save {	2276	sub _save {
2225	my ($self) = @_;	2277	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228		2278
2229	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
2230		2280
2231	return unless $self->dirty;	2281	return unless $self->dirty;
2232		2282
…		…
2252	} else {	2302	} else {
2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2254	}	2304	}
2255	}	2305	}
2256		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
2257	sub swap_out {	2315	sub swap_out {
2258	my ($self) = @_;	2316	my ($self) = @_;
2259		2317
2260	# save first because save cedes
2261	$self->save;
2262
2263	my $lock = cf::lock_acquire "map_data:$self->{path}";	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
2264		2319
2265	return if $self->players;
2266	return if $self->in_memory != cf::MAP_ACTIVE;	2320	return if $self->in_memory != cf::MAP_ACTIVE;
2267	return if $self->{deny_save};	2321	return if $self->{deny_save};
		2322	return if $self->players;
2268		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
2269	$self->in_memory (cf::MAP_SWAPPED);	2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
		2333	$self->clear;
		2334	}
		2335
		2336	sub reset_at {
		2337	my ($self) = @_;
		2338
		2339	# TODO: safety, remove and allow resettable per-player maps
		2340	return 1e99 if $self->{deny_reset};
		2341
		2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2344
		2345	$time + $to
		2346	}
		2347
		2348	sub should_reset {
		2349	my ($self) = @_;
		2350
		2351	$self->reset_at <= $cf::RUNTIME
		2352	}
		2353
		2354	sub reset {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	return if $self->players;
		2360
		2361	cf::trace "resetting map ", $self->path, "\n";
		2362
		2363	$self->in_memory (cf::MAP_SWAPPED);
		2364
		2365	# need to save uniques path
		2366	unless ($self->{deny_save}) {
		2367	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2368
		2369	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2370	if $uniq;
		2371	}
		2372
		2373	delete $cf::MAP{$self->path};
2270		2374
2271	$self->deactivate;	2375	$self->deactivate;
2272	$_->clear_links_to ($self) for values %cf::MAP;	2376	$_->clear_links_to ($self) for values %cf::MAP;
2273	$self->clear;	2377	$self->clear;
2274	}
2275
2276	sub reset_at {
2277	my ($self) = @_;
2278
2279	# TODO: safety, remove and allow resettable per-player maps
2280	return 1e99 if $self->{deny_reset};
2281
2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2284
2285	$time + $to
2286	}
2287
2288	sub should_reset {
2289	my ($self) = @_;
2290
2291	$self->reset_at <= $cf::RUNTIME
2292	}
2293
2294	sub reset {
2295	my ($self) = @_;
2296
2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
2298
2299	return if $self->players;
2300
2301	warn "resetting map ", $self->path;
2302
2303	$self->in_memory (cf::MAP_SWAPPED);
2304
2305	# need to save uniques path
2306	unless ($self->{deny_save}) {
2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
2308
2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2310	if $uniq;
2311	}
2312
2313	delete $cf::MAP{$self->path};
2314
2315	$self->deactivate;
2316	$_->clear_links_to ($self) for values %cf::MAP;
2317	$self->clear;
2318		2378
2319	$self->unlink_save;	2379	$self->unlink_save;
2320	$self->destroy;	2380	$self->destroy;
2321	}	2381	}
2322		2382
…		…
2330		2390
2331	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
2332		2392
2333	$self->unlink_save;	2393	$self->unlink_save;
2334		2394
2335	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
2336	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
2337	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
2338	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2340		2400
…		…
2397	: normalise $_	2457	: normalise $_
2398	} @{ aio_readdir $UNIQUEDIR or [] }	2458	} @{ aio_readdir $UNIQUEDIR or [] }
2399	]	2459	]
2400	}	2460	}
2401		2461
		2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
		2493
2402	=back	2494	=back
2403		2495
2404	=head3 cf::object	2496	=head3 cf::object
2405		2497
2406	=cut	2498	=cut
…		…
2471		2563
2472	our $SAY_CHANNEL = {	2564	our $SAY_CHANNEL = {
2473	id => "say",	2565	id => "say",
2474	title => "Map",	2566	title => "Map",
2475	reply => "say ",	2567	reply => "say ",
2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2477	};	2569	};
2478		2570
2479	our $CHAT_CHANNEL = {	2571	our $CHAT_CHANNEL = {
2480	id => "chat",	2572	id => "chat",
2481	title => "Chat",	2573	title => "Chat",
…		…
2536		2628
2537	=item $player_object->enter_link	2629	=item $player_object->enter_link
2538		2630
2539	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
2540		2632
2541	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
2542	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
2543		2637
2544	Will never block.	2638	Will never block.
2545		2639
2546	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
2547		2641
…		…
2567	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
2568	my ($self) = @_;	2662	my ($self) = @_;
2569		2663
2570	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
2571		2665
		2666	++$self->{_link_recursion};
		2667
2572	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
2573		2669
2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2575	if $self->map && $self->map->{path} ne "{link}";	2671	if $self->map && $self->map->{path} ne "{link}";
2576		2672
2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2578	}	2674	}
2579		2675
2580	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
2581	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
2582		2678
…		…
2599	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
2600	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
2601		2697
2602	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
2603	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
2604	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
2605		2701
2606	$map->load;	2702	$map->load;
2607	$map->load_neighbours;	2703	$map->load_neighbours;
2608		2704
2609	return unless $self->contr->active;	2705	return unless $self->contr->active;
2610	$self->activate_recursive;
2611		2706
2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
2614	}	2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
		2712	$self->activate_recursive;
		2713	}
2615		2714
		2715	}
		2716
2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2617		2718
2618	Moves the player to the given map-path and coordinates by first freezing	2719	Moves the player to the given map-path and coordinates by first freezing
2619	her, loading and preparing them map, calling the provided $check callback	2720	her, loading and preparing them map, calling the provided $check callback
2620	that has to return the map if sucecssful, and then unfreezes the player on	2721	that has to return the map if sucecssful, and then unfreezes the player on
2621	the new (success) or old (failed) map position. In either case, $done will	2722	the new (success) or old (failed) map position. In either case, $done will
…		…
2628		2729
2629	our $GOTOGEN;	2730	our $GOTOGEN;
2630		2731
2631	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
2632	my ($self, $path, $x, $y, $check, $done) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
2633		2740
2634	# do generation counting so two concurrent goto's will be executed in-order	2741	# do generation counting so two concurrent goto's will be executed in-order
2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2636		2743
2637	$self->enter_link;	2744	$self->enter_link;
…		…
2661	my $map = eval {	2768	my $map = eval {
2662	my $map = defined $path ? cf::map::find $path : undef;	2769	my $map = defined $path ? cf::map::find $path : undef;
2663		2770
2664	if ($map) {	2771	if ($map) {
2665	$map = $map->customise_for ($self);	2772	$map = $map->customise_for ($self);
2666	$map = $check->($map) if $check && $map;	2773	$map = $check->($map, $x, $y, $self) if $check && $map;
2667	} else {	2774	} else {
2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2669	}	2776	}
2670		2777
2671	$map	2778	$map
…		…
2679	if ($gen == $self->{_goto_generation}) {	2786	if ($gen == $self->{_goto_generation}) {
2680	delete $self->{_goto_generation};	2787	delete $self->{_goto_generation};
2681	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
2682	}	2789	}
2683		2790
2684	$done->() if $done;	2791	$done->($self) if $done;
2685	})->prio (1);	2792	})->prio (1);
2686	}	2793	}
2687		2794
2688	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
2689		2796
…		…
2777	$self->contr->savebed ($map, $x, $y)	2884	$self->contr->savebed ($map, $x, $y)
2778	if $exit->flag (cf::FLAG_DAMNED);	2885	if $exit->flag (cf::FLAG_DAMNED);
2779		2886
2780	1	2887	1
2781	}) {	2888	}) {
2782	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2783	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2784	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2785	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2786		2893
2787	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2788	$self->leave_link;	2895	$self->leave_link;
2789	}	2896	}
2790	})->prio (1);	2897	})->prio (1);
2791	}	2898	}
2792		2899
…		…
2804	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
2805	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
2806		2913
2807	utf8::encode $text;	2914	utf8::encode $text;
2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2916	}
		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
2809	}	2941	}
2810		2942
2811	=item $client->send_msg ($channel, $msg, $color, [extra...])	2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
2812		2944
2813	Send a drawinfo or msg packet to the client, formatting the msg for the	2945	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2817		2949
2818	=cut	2950	=cut
2819		2951
2820	# non-persistent channels (usually the info channel)	2952	# non-persistent channels (usually the info channel)
2821	our %CHANNEL = (	2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
2822	"c/identify" => {	2960	"c/identify" => {
2823	id => "infobox",	2961	id => "infobox",
2824	title => "Identify",	2962	title => "Identify",
2825	reply => undef,	2963	reply => undef,
2826	tooltip => "Items recently identified",	2964	tooltip => "Items recently identified",
…		…
2828	"c/examine" => {	2966	"c/examine" => {
2829	id => "infobox",	2967	id => "infobox",
2830	title => "Examine",	2968	title => "Examine",
2831	reply => undef,	2969	reply => undef,
2832	tooltip => "Signs and other items you examined",	2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
2833	},	2977	},
2834	"c/book" => {	2978	"c/book" => {
2835	id => "infobox",	2979	id => "infobox",
2836	title => "Book",	2980	title => "Book",
2837	reply => undef,	2981	reply => undef,
…		…
2853	id => "infobox",	2997	id => "infobox",
2854	title => "Body Parts",	2998	title => "Body Parts",
2855	reply => undef,	2999	reply => undef,
2856	tooltip => "Shows which body parts you posess and are available",	3000	tooltip => "Shows which body parts you posess and are available",
2857	},	3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
2858	"c/uptime" => {	3038	"c/uptime" => {
2859	id => "infobox",	3039	id => "infobox",
2860	title => "Uptime",	3040	title => "Uptime",
2861	reply => undef,	3041	reply => undef,
2862	tooltip => "How long the server has been running since last restart",	3042	tooltip => "How long the server has been running since last restart",
…		…
2871	id => "party",	3051	id => "party",
2872	title => "Party",	3052	title => "Party",
2873	reply => "gsay ",	3053	reply => "gsay ",
2874	tooltip => "Messages and chat related to your party",	3054	tooltip => "Messages and chat related to your party",
2875	},	3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
2876	);	3064	);
2877		3065
2878	sub cf::client::send_msg {	3066	sub cf::client::send_msg {
2879	my ($self, $channel, $msg, $color, @extra) = @_;	3067	my ($self, $channel, $msg, $color, @extra) = @_;
2880		3068
2881	$msg = $self->pl->expand_cfpod ($msg);	3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
2882		3071
2883	$color &= cf::NDI_CLIENT_MASK; # just in case...	3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
2884		3073
2885	# check predefined channels, for the benefit of C	3074	# check predefined channels, for the benefit of C
2886	if ($CHANNEL{$channel}) {	3075	if ($CHANNEL{$channel}) {
2887	$channel = $CHANNEL{$channel};	3076	$channel = $CHANNEL{$channel};
2888		3077
2889	$self->ext_msg (channel_info => $channel)	3078	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891
2892	$channel = $channel->{id};	3079	$channel = $channel->{id};
2893		3080
2894	} elsif (ref $channel) {	3081	} elsif (ref $channel) {
2895	# send meta info to client, if not yet sent	3082	# send meta info to client, if not yet sent
2896	unless (exists $self->{channel}{$channel->{id}}) {	3083	unless (exists $self->{channel}{$channel->{id}}) {
2897	$self->{channel}{$channel->{id}} = $channel;	3084	$self->{channel}{$channel->{id}} = $channel;
2898	$self->ext_msg (channel_info => $channel)	3085	$self->ext_msg (channel_info => $channel);
2899	if $self->can_msg;
2900	}	3086	}
2901		3087
2902	$channel = $channel->{id};	3088	$channel = $channel->{id};
2903	}	3089	}
2904		3090
2905	return unless @extra || length $msg;	3091	return unless @extra || length $msg;
2906		3092
2907	if ($self->can_msg) {
2908	# default colour, mask it out	3093	# default colour, mask it out
2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910	if $color & cf::NDI_DEF;	3095	if $color & cf::NDI_DEF;
2911		3096
2912	$self->send_packet ("msg " . $self->{json_coder}->encode (	3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2914	} else {	3100	);
2915	if ($color >= 0) {
2916	# replace some tags by gcfclient-compatible ones
2917	for ($msg) {
2918	1 while
2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2924	}
2925		3101
2926	$color &= cf::NDI_COLOR_MASK;	3102	$self->send_big_packet ($pkt);
2927
2928	utf8::encode $msg;
2929
2930	if (0 && $msg =~ /\[/) {
2931	# COMMAND/INFO
2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
2933	} else {
2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2935	$self->send_packet ("drawinfo $color $msg")
2936	}
2937	}
2938	}
2939	}	3103	}
2940		3104
2941	=item $client->ext_msg ($type, @msg)	3105	=item $client->ext_msg ($type, @msg)
2942		3106
2943	Sends an ext event to the client.	3107	Sends an ext event to the client.
…		…
2946		3110
2947	sub cf::client::ext_msg($$@) {	3111	sub cf::client::ext_msg($$@) {
2948	my ($self, $type, @msg) = @_;	3112	my ($self, $type, @msg) = @_;
2949		3113
2950	if ($self->extcmd == 2) {	3114	if ($self->extcmd == 2) {
2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2952	} elsif ($self->extcmd == 1) { # TODO: remove	3116	} elsif ($self->extcmd == 1) { # TODO: remove
2953	push @msg, msgtype => "event_$type";	3117	push @msg, msgtype => "event_$type";
2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2955	}	3119	}
2956	}	3120	}
2957		3121
2958	=item $client->ext_reply ($msgid, @msg)	3122	=item $client->ext_reply ($msgid, @msg)
2959		3123
…		…
2963		3127
2964	sub cf::client::ext_reply($$@) {	3128	sub cf::client::ext_reply($$@) {
2965	my ($self, $id, @msg) = @_;	3129	my ($self, $id, @msg) = @_;
2966		3130
2967	if ($self->extcmd == 2) {	3131	if ($self->extcmd == 2) {
2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2969	} elsif ($self->extcmd == 1) {	3133	} elsif ($self->extcmd == 1) {
2970	#TODO: version 1, remove	3134	#TODO: version 1, remove
2971	unshift @msg, msgtype => "reply", msgid => $id;	3135	unshift @msg, msgtype => "reply", msgid => $id;
2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2973	}	3137	}
2974	}	3138	}
2975		3139
2976	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2977		3141
…		…
3048		3212
3049	$ns->ext_reply ($reply, @reply)	3213	$ns->ext_reply ($reply, @reply)
3050	if $reply;	3214	if $reply;
3051		3215
3052	} else {	3216	} else {
3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3054	}	3218	}
3055		3219
3056	cf::override;	3220	cf::override;
3057	},	3221	},
3058	);	3222	);
…		…
3078		3242
3079	$coro	3243	$coro
3080	}	3244	}
3081		3245
3082	cf::client->attach (	3246	cf::client->attach (
3083	on_destroy => sub {	3247	on_client_destroy => sub {
3084	my ($ns) = @_;	3248	my ($ns) = @_;
3085		3249
3086	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3087	},	3251	},
3088	);	3252	);
…		…
3104	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
3105		3269
3106	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
3107		3271
3108	$safe->permit_only (Opcode::opset qw(	3272	$safe->permit_only (Opcode::opset qw(
3109	:base_core :base_mem :base_orig :base_math	3273	:base_core :base_mem :base_orig :base_math :base_loop
3110	grepstart grepwhile mapstart mapwhile	3274	grepstart grepwhile mapstart mapwhile
3111	sort time	3275	sort time
3112	));	3276	));
3113		3277
3114	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
…		…
3118	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
3119		3283
3120	cf::object	3284	cf::object
3121	contr pay_amount pay_player map x y force_find force_add destroy	3285	contr pay_amount pay_player map x y force_find force_add destroy
3122	insert remove name archname title slaying race decrease split	3286	insert remove name archname title slaying race decrease split
		3287	value
3123		3288
3124	cf::object::player	3289	cf::object::player
3125	player	3290	player
3126		3291
3127	cf::player	3292	cf::player
…		…
3133	=cut	3298	=cut
3134		3299
3135	for (	3300	for (
3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3137	insert remove inv nrof name archname title slaying race	3302	insert remove inv nrof name archname title slaying race
3138	decrease split destroy change_exp)],	3303	decrease split destroy change_exp value msg lore send_msg)],
3139	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
3140	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
3141	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
3142	) {	3307	) {
3143	no strict 'refs';
3144	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
3145	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3146	for @funs;	3310	for @funs;
3147	}	3311	}
3148		3312
…		…
3163		3327
3164	my $qcode = $code;	3328	my $qcode = $code;
3165	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3166	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
3167		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
3168	local $_;	3335	local $_;
3169	local @safe::cf::_safe_eval_args = values %vars;
3170		3336
3171	my $eval =	3337	my $eval =
3172	"do {\n"	3338	"do {\n"
3173	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3174	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
3175	. $code	3341	. $code
3176	. "\n}"	3342	. "\n}"
3177	;	3343	;
3178		3344
		3345	if ($CFG{safe_eval}) {
3179	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
3180	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3181	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
3182		3354
3183	if ($@) {	3355	if ($@) {
3184	warn "$@";	3356	warn "$@",
3185	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
3186	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
3187	}	3359	}
3188		3360
3189	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
3190	}	3362	}
3191		3363
…		…
3205	=cut	3377	=cut
3206		3378
3207	sub register_script_function {	3379	sub register_script_function {
3208	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
3209		3381
3210	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
3211	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
3212	}	3384	}
3213		3385
3214	=back	3386	=back
3215		3387
3216	=cut	3388	=cut
…		…
3225	# for this (global event?)	3397	# for this (global event?)
3226	%ext::player_env::MUSIC_FACE_CACHE = ();	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
3227		3399
3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3229		3401
3230	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
3231		3403
3232	my $facedata;
3233	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
3234	or die "$path: $!";	3405	or die "$path: $!";
3235		3406
3236	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
3237		3408
3238	$facedata->{version} == 2	3409	$facedata->{version} == 2
3239	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
3240		3411
3241	# patch in the exptable	3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3242	$facedata->{resource}{"res/exp_table"} = {	3414	$facedata->{resource}{"res/exp_table"} = {
3243	type => FT_RSRC,	3415	type => FT_RSRC,
3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
3245	};	3418	};
3246	cf::cede_to_tick;	3419	cf::cede_to_tick;
3247		3420
3248	{	3421	{
3249	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
…		…
3251	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3253		3426
3254	cf::face::set_visibility $idx, $info->{visibility};	3427	cf::face::set_visibility $idx, $info->{visibility};
3255	cf::face::set_magicmap $idx, $info->{magicmap};	3428	cf::face::set_magicmap $idx, $info->{magicmap};
3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3258		3432
3259	cf::cede_to_tick;	3433	cf::cede_to_tick;
3260	}	3434	}
3261		3435
3262	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
…		…
3267		3441
3268	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
3269	cf::face::set_smooth $idx, $smooth;	3443	cf::face::set_smooth $idx, $smooth;
3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3271	} else {	3445	} else {
3272	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
3273	}	3447	}
3274		3448
3275	cf::cede_to_tick;	3449	cf::cede_to_tick;
3276	}	3450	}
3277	}	3451	}
…		…
3286		3460
3287	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
3288	}	3462	}
3289		3463
3290	{	3464	{
3291	# TODO: for gcfclient pleasure, we should give resources
3292	# that gcfclient doesn't grok a >10000 face index.
3293	my $res = $facedata->{resource};	3465	my $res = $facedata->{resource};
3294		3466
3295	while (my ($name, $info) = each %$res) {	3467	while (my ($name, $info) = each %$res) {
3296	if (defined $info->{type}) {	3468	if (defined $info->{type}) {
3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3298	my $data;
3299		3470
3300	if ($info->{type} & 1) {	3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3301	# prepend meta info
3302
3303	my $meta = $enc->encode ({
3304	name => $name,
3305	%{ $info->{meta} || {} },
3306	});
3307
3308	$data = pack "(w/a*)*", $meta, $info->{data};
3309	} else {
3310	$data = $info->{data};
3311	}
3312
3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3314	cf::face::set_type $idx, $info->{type};	3472	cf::face::set_type $idx, $info->{type};
3315	} else {	3473	} else {
3316	$RESOURCE{$name} = $info;	3474	$RESOURCE{$name} = $info; # unused
3317	}	3475	}
3318		3476
3319	cf::cede_to_tick;	3477	cf::cede_to_tick;
3320	}	3478	}
3321	}	3479	}
3322		3480
3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3324		3482
3325	1	3483	1
3326	}	3484	}
3327
3328	cf::global->attach (on_resource_update => sub {
3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3331
3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3333	my $sound = $soundconf->{compat}[$_]
3334	or next;
3335
3336	my $face = cf::face::find "sound/$sound->[1]";
3337	cf::sound::set $sound->[0] => $face;
3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3339	}
3340
3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
3342	my $face = cf::face::find "sound/$v";
3343	cf::sound::set $k => $face;
3344	}
3345	}
3346	});
3347		3485
3348	register_exticmd fx_want => sub {	3486	register_exticmd fx_want => sub {
3349	my ($ns, $want) = @_;	3487	my ($ns, $want) = @_;
3350		3488
3351	while (my ($k, $v) = each %$want) {	3489	while (my ($k, $v) = each %$want) {
…		…
3390	sub reload_treasures {	3528	sub reload_treasures {
3391	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
3392	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
3393	}	3531	}
3394		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
3395	sub reload_resources {	3556	sub reload_resources {
3396	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
3397		3558
		3559	reload_exp_table;
		3560	reload_materials;
3398	reload_facedata;	3561	reload_facedata;
		3562	reload_sound;
3399	reload_archetypes;	3563	reload_archetypes;
3400	reload_regions;	3564	reload_regions;
3401	reload_treasures;	3565	reload_treasures;
3402		3566
3403	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
3404	}
3405
3406	sub init {
3407	my $guard = freeze_mainloop;
3408
3409	evthread_start IO::AIO::poll_fileno;
3410
3411	reload_resources;
3412	}	3568	}
3413		3569
3414	sub reload_config {	3570	sub reload_config {
3415	open my $fh, "<:utf8", "$CONFDIR/config"	3571	trace "reloading config file...\n";
3416	or return;
3417		3572
3418	local $/;	3573	0 < aio_load "$CONFDIR/config", my $config
3419	*CFG = YAML::Load <$fh>;	3574	or die "$CONFDIR/config: $!";
3420		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3422		3580
3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3425		3583
3426	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
3430	};	3588	};
3431	warn $@ if $@;	3589	warn $@ if $@;
3432	}	3590	}
3433	}	3591	}
3434		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
3435	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
3436	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
3437	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3439	(async {	3634	(async {
3440	$Coro::current->{desc} = "IDLE BUG HANDLER";	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
3441	EV::loop EV::LOOP_ONESHOT;	3636	EV::loop EV::LOOP_ONESHOT;
3442	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
3443	};	3638	};
3444		3639
3445	{	3640	evthread_start IO::AIO::poll_fileno;
3446	my $guard = freeze_mainloop;	3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
3447	reload_config;	3652	reload_config;
3448	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
3449	load_extensions;	3663	load_extensions;
3450		3664
3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3665	utime time, time, $RUNTIMEFILE;
		3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
3452	}	3672	};
3453		3673
3454	EV::loop;	3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
3455	}	3683	}
3456		3684
3457	#############################################################################	3685	#############################################################################
3458	# initialisation and cleanup	3686	# initialisation and cleanup
3459		3687
3460	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
3461	BEGIN {	3689	BEGIN {
3462	our %SIGWATCHER = ();	3690	our %SIGWATCHER = ();
3463	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3465	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
3466	};	3694	};
3467	}	3695	}
3468	}	3696	}
3469		3697
3470	sub write_runtime_sync {	3698	sub write_runtime_sync {
3471	my $runtime = "$LOCALDIR/runtime";	3699	my $t0 = AE::time;
3472		3700
3473	# first touch the runtime file to show we are still running:	3701	# first touch the runtime file to show we are still running:
3474	# the fsync below can take a very very long time.	3702	# the fsync below can take a very very long time.
3475		3703
3476	IO::AIO::aio_utime $runtime, undef, undef;	3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3477		3705
3478	my $guard = cf::lock_acquire "write_runtime";	3706	my $guard = cf::lock_acquire "write_runtime";
3479		3707
3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3481	or return;	3709	or return;
3482		3710
3483	my $value = $cf::RUNTIME + 90 + 10;	3711	my $value = $cf::RUNTIME + 90 + 10;
3484	# 10 is the runtime save interval, for a monotonic clock	3712	# 10 is the runtime save interval, for a monotonic clock
3485	# 60 allows for the watchdog to kill the server.	3713	# 60 allows for the watchdog to kill the server.
…		…
3495	aio_utime $fh, undef, undef;	3723	aio_utime $fh, undef, undef;
3496		3724
3497	close $fh	3725	close $fh
3498	or return;	3726	or return;
3499		3727
3500	aio_rename "$runtime~", $runtime	3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3501	and return;	3729	and return;
3502		3730
3503	warn "runtime file written.\n";	3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3504		3732
3505	1	3733	1
3506	}	3734	}
3507		3735
3508	our $uuid_lock;	3736	our $uuid_lock;
…		…
3517	my $uuid = "$LOCALDIR/uuid";	3745	my $uuid = "$LOCALDIR/uuid";
3518		3746
3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3520	or return;	3748	or return;
3521		3749
3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
3523	$uuid_skip = 0;	3758	$uuid_skip = 0;
3524		3759
3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3526	and return;	3761	and return;
3527		3762
…		…
3533	or return;	3768	or return;
3534		3769
3535	aio_rename "$uuid~", $uuid	3770	aio_rename "$uuid~", $uuid
3536	and return;	3771	and return;
3537		3772
3538	warn "uuid file written ($value).\n";	3773	trace "uuid file written ($value).\n";
3539		3774
3540	1	3775	1
3541		3776
3542	}	3777	}
3543		3778
…		…
3549	}	3784	}
3550		3785
3551	sub emergency_save() {	3786	sub emergency_save() {
3552	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
3553		3788
3554	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
3555		3795
3556	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
3557	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
3558	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
3559	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
3560	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
3561	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
3562	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
3563	$pl->valid or next;	3805	$pl->valid or next;
3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3565	$pl->save;	3807	$pl->save;
3566	}	3808	}
3567	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
3568		3810
3569	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
3570	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
3571	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
3572	$map->valid or next;	3816	$map->valid or next;
3573	$map->save;	3817	$map->save;
3574	}	3818	}
3575	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
3576		3820
3577	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
3578	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
3579	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
3580		3826
3581	warn "begin write uuid\n";	3827	info "emergency_perl_save: begin write uuid\n";
3582	write_uuid_sync 1;	3828	write_uuid_sync 1;
3583	warn "end write uuid\n";	3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
3584	};	3849	};
3585		3850
3586	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
3587	}	3852	}
3588		3853
3589	sub post_cleanup {	3854	sub post_cleanup {
3590	my ($make_core) = @_;	3855	my ($make_core) = @_;
3591		3856
		3857	IO::AIO::flush;
		3858
3592	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
3593	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
3594	}	3864	}
3595		3865
3596	# a safer delete_package, copied from Symbol	3866	# a safer delete_package, copied from Symbol
3597	sub clear_package($) {	3867	sub clear_package($) {
3598	my $pkg = shift;	3868	my $pkg = shift;
…		…
3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3615	for my $name (keys %$leaf_symtab) {	3885	for my $name (keys %$leaf_symtab) {
3616	_gv_clear *{"$pkg$name"};	3886	_gv_clear *{"$pkg$name"};
3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3618	}	3888	}
3619	warn "cleared package #$pkg\n";#d#
3620	}	3889	}
3621
3622	our $RELOAD; # how many times to reload
3623		3890
3624	sub do_reload_perl() {	3891	sub do_reload_perl() {
3625	# can/must only be called in main	3892	# can/must only be called in main
3626	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
3627	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
3628	return;	3895	return;
3629	}	3896	}
3630		3897
3631	return if $RELOAD++;	3898	return if $RELOAD++;
3632		3899
		3900	my $t1 = AE::time;
		3901
3633	while ($RELOAD) {	3902	while ($RELOAD) {
3634	warn "reloading...";	3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
3635		3905
3636	warn "entering sync_job";	3906	trace "perl_reload: entering sync_job";
3637		3907
3638	cf::sync_job {	3908	cf::sync_job {
3639	cf::write_runtime_sync; # external watchdog should not bark
3640	cf::emergency_save;	3909	#cf::emergency_save;
3641	cf::write_runtime_sync; # external watchdog should not bark
3642		3910
3643	warn "syncing database to disk";
3644	BDB::db_env_txn_checkpoint $DB_ENV;
3645
3646	# if anything goes wrong in here, we should simply crash as we already saved
3647
3648	warn "flushing outstanding aio requests";
3649	while (IO::AIO::nreqs || BDB::nreqs) {
3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3651	}
3652
3653	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
3654	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
3655	%EXT_CORO = ();	3913	%EXT_CORO = ();
3656		3914
3657	warn "removing commands";	3915	trace "perl_reload: removing commands";
3658	%COMMAND = ();	3916	%COMMAND = ();
3659		3917
3660	warn "removing ext/exti commands";	3918	trace "perl_reload: removing ext/exti commands";
3661	%EXTCMD = ();	3919	%EXTCMD = ();
3662	%EXTICMD = ();	3920	%EXTICMD = ();
3663		3921
3664	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
3665	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
3666	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
3667		3925
3668	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
3669	eval {	3927	eval {
3670	$cb->($pkg);	3928	$cb->($pkg);
3671	1	3929	1
3672	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
3673	}	3931	}
3674		3932
3675	warn "... clearing $pkg";	3933	trace "... clearing $pkg";
3676	clear_package $pkg;	3934	clear_package $pkg;
3677	}	3935	}
3678		3936
3679	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3680	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3682		3940
3683	warn "... unloading $k";	3941	trace "... unloading $k";
3684	delete $INC{$k};	3942	delete $INC{$k};
3685		3943
3686	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
3687	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
3688		3946
…		…
3691	}	3949	}
3692		3950
3693	clear_package $k;	3951	clear_package $k;
3694	}	3952	}
3695		3953
3696	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
3697	clear_package "safe::$_"	3955	clear_package "safe::$_"
3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3699		3957
3700	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
3701	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
3702	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3703		3961
3704	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
3705	# and global variables created in xs	3963	# and global variables created in xs
3706	#clear_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
3707		3965
3708	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
3709		3967
3710	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
3711	require cf;	3969	require cf;
3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
3713		3971
3714	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
3715	cf::reload_config;	3973	cf::reload_config;
3716		3974
3717	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
3718	cf::load_extensions;	3976	cf::load_extensions;
3719		3977
		3978	if ($REATTACH_ON_RELOAD) {
3720	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
3721	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
3722	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
3723	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
3724	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
3725	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
3726		3986
3727	warn "leaving sync_job";	3987	cf::_post_init 1;
		3988
		3989	trace "perl_reload: leaving sync_job";
3728		3990
3729	1	3991	1
3730	} or do {	3992	} or do {
3731	warn $@;	3993	error $@;
3732	cf::cleanup "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
3733	};	3995	};
3734		3996
3735	warn "reloaded";
3736	--$RELOAD;	3997	--$RELOAD;
3737	}	3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
3738	};	4002	};
3739		4003
3740	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
3741		4005
3742	sub reload_perl() {	4006	sub reload_perl() {
3743	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
3744	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
3745		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3747	do_reload_perl;	4014	do_reload_perl;
3748	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
		4016	};
3749	};	4017	};
3750	}	4018	}
3751		4019
3752	register_command "reload" => sub {	4020	register_command "reload" => sub {
3753	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
…		…
3759	reload_perl;	4027	reload_perl;
3760	};	4028	};
3761	}	4029	}
3762	};	4030	};
3763		4031
3764	unshift @INC, $LIBDIR;	4032	#############################################################################
3765		4033
3766	my $bug_warning = 0;	4034	my $bug_warning = 0;
3767		4035
3768	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
3769	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
3770		4038
3771	sub wait_for_tick {	4039	sub wait_for_tick() {
3772	return if tick_inhibit || $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3773		4041
3774	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
3775	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
3776	$signal->wait;	4044	$signal->wait;
3777	}	4045	}
3778		4046
3779	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
3780	return if tick_inhibit || $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3781		4049
3782	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
3783	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
3784	$signal->wait;	4052	$signal->wait;
3785	}	4053	}
…		…
3791	return;	4059	return;
3792	}	4060	}
3793		4061
3794	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
3795		4063
		4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4065
3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3798	Coro::async_pool {	4068	Coro::async_pool {
3799	$Coro::current->{desc} = "runtime saver";	4069	$Coro::current->{desc} = "runtime saver";
3800	write_runtime_sync	4070	write_runtime_sync
3801	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
3802	};	4072	};
3803	}	4073	}
3804		4074
3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3806	$sig->send;	4076	$sig->send;
…		…
3814		4084
3815	if (0) {	4085	if (0) {
3816	if ($NEXT_TICK) {	4086	if ($NEXT_TICK) {
3817	my $jitter = $TICK_START - $NEXT_TICK;	4087	my $jitter = $TICK_START - $NEXT_TICK;
3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3819	warn "jitter $JITTER\n";#d#	4089	debug "jitter $JITTER\n";#d#
3820	}	4090	}
3821	}	4091	}
3822	}	4092	}
3823		4093
3824	{	4094	{
3825	# configure BDB	4095	# configure BDB
3826		4096
3827	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
3828	BDB::max_poll_reqs $TICK * 0.1;	4098	BDB::max_poll_reqs $TICK * 0.1;
3829	$AnyEvent::BDB::WATCHER->priority (1);	4099	$AnyEvent::BDB::WATCHER->priority (1);
3830		4100
3831	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
3832	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
…		…
3869	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
3870	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
3871	undef $AnyEvent::AIO::WATCHER;	4141	undef $AnyEvent::AIO::WATCHER;
3872	}	4142	}
3873		4143
3874	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
3875		4146
3876	sub _log_backtrace {	4147	sub _log_backtrace {
3877	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
3878		4149
3879	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
3880		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3881	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
3882	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
3883	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
3884	async {	4160	async {
3885	$Coro::current->{desc} = "abt $msg";	4161	$Coro::current->{desc} = "abt $msg";
3886		4162
3887	my @bt = fork_call {	4163	my @bt = fork_call {
3888	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
…		…
3899	}	4175	}
3900		4176
3901	@funcs	4177	@funcs
3902	};	4178	};
3903		4179
3904	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3905	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
3906	--$_log_backtrace;	4183	--$_log_backtrace;
3907	};	4184	};
3908	} else {	4185	} else {
3909	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
3910	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3911	}	4188	}
3912	}	4189	}
3913		4190
3914	# load additional modules	4191	# load additional modules
3915	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
3916		4194
3917	END { cf::emergency_save }	4195	END { cf::emergency_save }
3918		4196
3919	1	4197	1
3920		4198

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