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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.344 by root, Mon Aug 27 02:43:38 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # 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;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	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::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	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
170	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
171	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.
172		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
173	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
174		247
175	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
176	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
177	that call.	250	that call.
178		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
179	=back	258	=back
180		259
181	=cut	260	=cut
182		261
183	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	269	my $msg = join "", @_;
186		270
187	$msg .= "\n"	271	$msg .= "\n"
188	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
189		273
190	$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;
191		275
192	utf8::encode $msg;
193	LOG llevError, $msg;	276	LOG llevWarn, $msg;
194	};	277	};
195	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
196		292
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	303	for my $pkg (qw(
208	cf::global cf::attachable	304	cf::global cf::attachable
209	cf::object cf::object::player	305	cf::object cf::object::player
210	cf::client cf::player	306	cf::client cf::player
211	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
212	cf::map cf::party cf::region	309	cf::party cf::region
213	)) {	310	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	312	}
217		313
218	$Event::DIED = sub {	314	$EV::DIED = sub {
219	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
220	};	316	};
221		317
222	#############################################################################	318	#############################################################################
223		319
224	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	343	$d
248	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
249	}	345	}
250		346
251	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
252		348
253	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
254		350
255	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
256		352
257	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
258		354
259	=cut	355	=cut
260		356
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		358
263	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
265		404
266	=item cf::lock_wait $string	405	=item cf::lock_wait $string
267		406
268	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
269		408
270	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
271		410
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
275	returned.	414	returned.
276		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
277	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
279		421
280	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
281		423
282	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.
283		425
284	=cut	426	=cut
285		427
286	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
287		429
288	sub lock_wait($) {	430	sub lock_wait($) {
289	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	432	}
297		433
298	sub lock_acquire($) {	434	sub lock_acquire($) {
299	my ($key) = @_;	435	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	436	}
311		437
312	sub lock_active($) {	438	sub lock_active($) {
313	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	440	}
317		441
318	sub freeze_mainloop {	442	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
320		444
321	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	446	}
323	};	447
324	$TICK_WATCHER->stop;	448	=item cf::periodic $interval, $cb
325	$guard	449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
326	}	461	}
327		462
328	=item cf::get_slot $time[, $priority[, $name]]	463	=item cf::get_slot $time[, $priority[, $name]]
329		464
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		473
339	=cut	474	=cut
340		475
341	our @SLOT_QUEUE;	476	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
343		479
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
346	my $signal = new Coro::Signal;	484	my $signal = new Coro::Signal;
		485	my $busy;
347		486
348	while () {	487	while () {
349	next_job:	488	next_job:
		489
350	my $avail = cf::till_tick;	490	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	491
352	for (0 .. $#SLOT_QUEUE) {	492	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	495	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	496	$job->[2]->send;
356	Coro::cede;	497	Coro::cede;
357	goto next_job;	498	goto next_job;
358	}	499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	501	}
360	}	502	}
361		503
362	if (@SLOT_QUEUE) {	504	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	506	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	507	$signal->wait;
366	} else {	508	} else {
		509	$busy = 0;
367	Coro::schedule;	510	Coro::schedule;
368	}	511	}
369	}	512	}
370	};	513	};
371		514
372	sub get_slot($;$$) {	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
373	my ($time, $pri, $name) = @_;	518	my ($time, $pri, $name) = @_;
374		519
375	$time = $TICK * .6 if $time > $TICK * .6;	520	$time = clamp $time, 0.01, $TICK * .6;
		521
376	my $sig = new Coro::Signal;	522	my $sig = new Coro::Signal;
377		523
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	526	$SLOT_QUEUE->ready;
…		…
391		537
392	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
393		539
394	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
395		541
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	545	acceptable.
400		546
401	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	552	=cut
407		553
408	sub sync_job(&) {	554	sub sync_job(&) {
409	my ($job) = @_;	555	my ($job) = @_;
410		556
411	if ($Coro::current == $Coro::main) {	557	if (in_main) {
412	my $time = Event::time;	558	my $time = AE::time;
413		559
414	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
416		562
417	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	564
419	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
420		566
421	my $busy = 1;	567	my $busy = 1;
422	my @res;	568	my @res;
423		569
424	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	572	@res = eval { $job->() };
426	warn $@ if $@;	573	error $@ if $@;
427	undef $busy;	574	undef $busy;
428	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
429		576
430	while ($busy) {	577	while ($busy) {
431	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
432	}	582	}
		583	}
433		584
434	$time = Event::time - $time;	585	my $time = AE::time - $time;
435		586
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
440		588
441	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
442	} else {	590	} else {
443	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
444		592
…		…
464	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
465		613
466	$coro	614	$coro
467	}	615	}
468		616
469	=item fork_call { }, $args	617	=item fork_call { }, @args
470		618
471	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
472	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
475		623
476	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
477		629
478	sub fork_call(&@) {	630	sub fork_call(&@) {
479	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
480		632
481	# 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,
482	# otherwise perl prematurely frees the stuff :/	634	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	635	# TODO: investigate and fix (likely this will be rather laborious)
484		636
485	my @res = Coro::Util::fork_eval {	637	my @res = Coro::Util::fork_eval {
486	reset_signals;	638	cf::post_fork;
487	&$cb	639	&$cb
488	}, @args;	640	} @args;
489		641
490	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	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
491	}	681	}
492		682
493	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
494		684
495	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
498		688
499	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
502	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
503		718
504	our $DB;	719	our $DB;
505		720
506	sub db_init {	721	sub db_init {
507	unless ($DB) {	722	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	723	}
522		724
523	sub db_get($$) {	725	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
525		727
526	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
527	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
528		732
529	$! ? ()	733	$! ? ()
530	: $data	734	: $data
531	}
532	}	735	}
533		736
534	sub db_put($$$) {	737	sub db_put($$$) {
535	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	778	if (1) {
576	$md5 =	779	$md5 =
577	join "\x00",	780	join "\x00",
578	$processversion,	781	$processversion,
579	map {	782	map {
580	Coro::cede;	783	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	785	} 0.. $#$src;
583		786
584		787
585	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		795
593	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	797	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
596		799
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		801
599	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
602		805
…		…
612		815
613	=cut	816	=cut
614		817
615	sub datalog($@) {	818	sub datalog($@) {
616	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	821	}
619		822
620	=back	823	=back
621		824
622	=cut	825	=cut
623		826
624	#############################################################################	827	#############################################################################
625		828
626	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
627		830
628	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
629	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")
630	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
631		834
632	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>
633	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
634	Crossfire TRT).	837	Deliantra).
635		838
636	=over 4	839	=over 4
637		840
638	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
639		842
…		…
683	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
684		887
685	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
686	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
687		890
688	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		893
691	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
692		895
693	=over 4	896	=over 4
…		…
817		1020
818	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1023
821	} elsif (ref $type) {	1024	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
823		1026
824	} else {	1027	} else {
825	shift @arg;	1028	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
827	}	1030	}
828	}	1031	}
829	}	1032	}
830		1033
831	sub _object_attach {	1034	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
842	}	1045	}
843		1046
844	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
845	} else {	1048	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1050	}
848		1051
849	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
850	}	1053	}
851		1054
…		…
910		1113
911	for (@$callbacks) {	1114	for (@$callbacks) {
912	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
913		1116
914	if ($@) {	1117	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1119	override;
918	}	1120	}
919		1121
920	return 1 if $override;	1122	return 1 if $override;
921	}	1123	}
922		1124
923	0	1125	0
924	}	1126	}
925		1127
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1129
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1131
930	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
931		1133
…		…
937		1139
938	=cut	1140	=cut
939		1141
940	#############################################################################	1142	#############################################################################
941	# object support	1143	# object support
942	#
943		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
944	sub _can_merge {	1178	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1179	my ($ob1, $ob2) = @_;
946		1180
947	local $Storable::canonical = 1;	1181	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1182
951	$fob1 eq $fob2	1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
952	}	1185	}
953		1186
954	sub reattach {	1187	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1189	my ($obj) = @_;
957		1190
		1191	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1193
960	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
961		1195
962	@$registry = ();	1196	@$registry = ();
963		1197
…		…
968	for (@$attach) {	1202	for (@$attach) {
969	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
971	}	1205	}
972	} else {	1206	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1208	}
975	}	1209	}
976	}	1210	}
977		1211
978	cf::attachable->attach (	1212	cf::attachable->attach (
979	prio => -1000000,	1213	prio => -1000000,
980	on_instantiate => sub {	1214	on_instantiate => sub {
981	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
982		1216
983	$data = from_json $data;	1217	$data = decode_json $data;
984		1218
985	for (@$data) {	1219	for (@$data) {
986	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
987		1221
988	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1238	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
1006		1240
1007	sync_job {	1241	sync_job {
1008	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
1011		1247
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1255	aio_close $fh;
1017		1256
1018	if (@$objs) {	1257	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1266	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1268	}
1027	} else {	1269	} else {
1028	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
1029	}	1271	}
1030		1272
1031	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1277	} else {
1033	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1034	}	1279	}
1035	} else {	1280	} else {
1036	aio_unlink $filename;	1281	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1038	}	1283	}
1039	}	1284	};
1040	}	1285	}
1041		1286
1042	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1044		1289
…		…
1056	or return;	1301	or return;
1057		1302
1058	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1305	or return;
		1306
1061	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1062	}	1309	}
1063		1310
		1311	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1066	return ($data, $av);	1316	($data, $av)
1067	}	1317	}
1068		1318
1069	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1070		1320
1071	=over 4	1321	=over 4
…		…
1125	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1126		1376
1127	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1128	}	1378	}
1129		1379
		1380	use File::Glob ();
		1381
1130	cf::player->attach (	1382	cf::player->attach (
1131	on_command => sub {	1383	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1133		1385
1134	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1135	or return;	1387	or return;
1136		1388
…		…
1159		1411
1160	$pl->ext_reply ($reply, @reply)	1412	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1413	if $reply;
1162		1414
1163	} else {	1415	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1417	}
1166		1418
1167	cf::override;	1419	cf::override;
1168	},	1420	},
1169	);	1421	);
1170		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
1171	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1172	cf::sync_job {	1439	cf::sync_job {
1173	my %todo;	1440	my %todo;
1174		1441
1175	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1443	next unless -r $path;
…		…
1194		1461
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1464
1198	$ext{source} =	1465	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1201	. $source	1468	. $source
1202	. "\n};\n1";	1469	. "\n};\n1";
1203		1470
1204	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1205	}	1472	}
1206		1473
		1474	my $pass = 0;
1207	my %done;	1475	my %done;
1208	while (%todo) {	1476	while (%todo) {
1209	my $progress;	1477	my $progress;
1210		1478
		1479	++$pass;
		1480
		1481	ext:
1211	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1484	next ext
1214	unless exists $done{$_};	1485	unless exists $done{$_};
1215	}	1486	}
1216		1487
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1489
1219	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1224	warn $msg;	1497
1225	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1499	delete $todo{$k};
1227	}	1500	} else {
1228		1501	$done{$k} = delete $todo{$k};
1229	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1230	}	1507	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1508	}
1236		1509
1237	skip:	1510	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	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	}
1240	}	1518	}
1241	};	1519	};
1242	}	1520	}
1243		1521
1244	#############################################################################	1522	#############################################################################
1245		1523
1246	=back	1524	=back
1247		1525
1248	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1249		1527
1250	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1251		1529
1252	=cut	1530	=cut
1253		1531
1254	package cf::player;	1532	package cf::player;
1255		1533
1256	use Coro::AIO;	1534	use Coro::AIO;
1257		1535
1258	=head3 cf::player	1536	=head3 cf::player
1259		1537
1260	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1261		1553
1262	=item cf::player::find $login	1554	=item cf::player::find $login
1263		1555
1264	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1265		1557
…		…
1284		1576
1285	sub exists($) {	1577	sub exists($) {
1286	my ($login) = @_;	1578	my ($login) = @_;
1287		1579
1288	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1290	}	1582	}
1291		1583
1292	sub find($) {	1584	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1586	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1597
1306	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1309	}	1607	}
1310	}	1608	}
1311	}	1609	}
		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	);
1312		1623
1313	sub save($) {	1624	sub save($) {
1314	my ($pl) = @_;	1625	my ($pl) = @_;
1315		1626
1316	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1322		1633
1323	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1325		1636
		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];
		1641
1326	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1327	Coro::cede;	1643	cf::cede_to_tick;
1328	}	1644	}
1329		1645
1330	sub new($) {	1646	sub new($) {
1331	my ($login) = @_;	1647	my ($login) = @_;
1332		1648
…		…
1361	my ($pl) = @_;	1677	my ($pl) = @_;
1362		1678
1363	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1364		1680
1365	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1366	$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
1367		1683
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1371	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1372		1692
1373	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1410	or return [];	1730	or return [];
1411		1731
1412	my @logins;	1732	my @logins;
1413		1733
1414	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1418		1744
1419	utf8::decode $login;	1745	utf8::decode $login;
1420	push @logins, $login;	1746	push @logins, $login;
1421	}	1747	}
1422		1748
1423	\@logins	1749	\@logins
1424	}	1750	}
1425		1751
1426	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1427		1755
1428	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1429	player. May block.	1757	player. May block.
1430		1758
1431	=cut	1759	=cut
…		…
1449	}	1777	}
1450		1778
1451	\@paths	1779	\@paths
1452	}	1780	}
1453		1781
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1783
1456	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1785
1504	=item $player->ext_reply ($msgid, @msg)	1786	=item $player->ext_reply ($msgid, @msg)
1505		1787
1506	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1507		1789
…		…
1539		1821
1540	=cut	1822	=cut
1541		1823
1542	sub find_by_path($) {	1824	sub find_by_path($) {
1543	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1544		1828
1545	my ($match, $specificity);	1829	my ($match, $specificity);
1546		1830
1547	for my $region (list) {	1831	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1576		1860
1577	sub generate_random_map {	1861	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1579	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1867	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1592	)	1880	)
1593	}	1881	}
1594		1882
1595	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1596		1884
…		…
1602		1890
1603	sub register {	1891	sub register {
1604	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1893	my $pkg = caller;
1606		1894
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1896
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1898	}
1612		1899
1613	# also paths starting with '/'	1900	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1902
1616	sub thawer_merge {	1903	sub thawer_merge {
1617	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1618		1905
1619	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
…		…
1624	}	1911	}
1625		1912
1626	sub normalise {	1913	sub normalise {
1627	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1628		1915
1629	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1630		1917
1631	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1632		1919
1633	# map plan:	1920	# map plan:
1634	#	1921	#
…		…
1649	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	1937	$path = "$base/$path";
1651	}	1938	}
1652		1939
1653	for ($path) {	1940	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1657	}	1943	}
1658		1944
1659	$path	1945	$path
…		…
1673	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1674	return $self;	1960	return $self;
1675	}	1961	}
1676	}	1962	}
1677		1963
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	1965	()
1680	}	1966	}
1681		1967
1682	sub init {	1968	sub init {
1683	my ($self) = @_;	1969	my ($self) = @_;
…		…
1705		1991
1706	# the temporary/swap location	1992	# the temporary/swap location
1707	sub save_path {	1993	sub save_path {
1708	my ($self) = @_;	1994	my ($self) = @_;
1709		1995
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1712	}	1998	}
1713		1999
1714	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1715	sub uniq_path {	2001	sub uniq_path {
1716	my ($self) = @_;	2002	my ($self) = @_;
1717		2003
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2006	}
1730		2007
1731	sub decay_objects {	2008	sub decay_objects {
1732	my ($self) = @_;	2009	my ($self) = @_;
1733		2010
…		…
1746		2023
1747	sub load_header_from($) {	2024	sub load_header_from($) {
1748	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1749		2026
1750	utf8::encode $path;	2027	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1756		2036
1757	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1758		2038
1759	1	2039	1
1760	}	2040	}
…		…
1812		2092
1813	sub find;	2093	sub find;
1814	sub find {	2094	sub find {
1815	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1816		2096
		2097	cf::cede_to_tick;
		2098
1817	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1818		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2103
1821	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1824	or return;	2106	or return;
1825		2107
1826	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1827		2109
…		…
1829	or return;	2111	or return;
1830		2112
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1834	$map->reset;	2118	$map->reset;
1835	undef $guard;
1836	return find $path;	2119	return find $path;
1837	}	2120	}
1838		2121
1839	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1840	}	2123	}
1841	}	2124	}
1842		2125
1843	sub pre_load { }	2126	sub pre_load { }
1844	sub post_load { }	2127	#sub post_load { } # XS
1845		2128
1846	sub load {	2129	sub load {
1847	my ($self) = @_;	2130	my ($self) = @_;
1848		2131
1849	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1850		2133
1851	my $path = $self->{path};	2134	my $path = $self->{path};
1852		2135
1853	{	2136	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1855		2138
		2139	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2141
1858	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1859		2143
1860	$self->alloc;	2144	$self->alloc;
1861		2145
1862	$self->pre_load;	2146	$self->pre_load;
1863	Coro::cede;	2147	cf::cede_to_tick;
1864		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1866	or return;	2152	or return;
1867		2153
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1869	if delete $self->{load_original};	2155	if delete $self->{load_original};
1870		2156
1871	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2158	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2161	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1876	}	2165	}
1877	}	2166	}
1878		2167
1879	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1880	# now do the right thing for maps	2171	# now do the right thing for maps
1881	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2174	unless $self->difficulty;
1884	Coro::cede;	2175	cf::cede_to_tick;
1885		2176
1886	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2178	$self->decay_objects;
1888	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1889	$self->update_buttons;	2180	$self->update_buttons;
1890	Coro::cede;	2181	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2182	$self->activate;
1894	}	2183	}
1895		2184
1896	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2186	$self->last_access ($cf::RUNTIME);
1898		2187
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2189	}
1901		2190
1902	$self->post_load;	2191	$self->post_load;
1903	}
1904		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2199	sub customise_for {
1906	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1907		2201
1908	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2203	if $self->per_player;
…		…
1925	or next;	2219	or next;
1926	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1927	or next;	2221	or next;
1928	$neigh->load;	2222	$neigh->load;
1929		2223
		2224	# now find the diagonal neighbours
1930	push @neigh,	2225	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2228	}
1934		2229
…		…
1941	}	2236	}
1942		2237
1943	sub find_sync {	2238	sub find_sync {
1944	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1945		2240
1946	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1947	}	2245	}
1948		2246
1949	sub do_load_sync {	2247	sub do_load_sync {
1950	my ($map) = @_;	2248	my ($map) = @_;
1951		2249
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current == $Coro::main;	2251	if $Coro::current == $Coro::main;
1954		2252
1955	cf::sync_job { $map->load };	2253	$map->load;
1956	}	2254	}
1957		2255
1958	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1960		2258
…		…
1962	my ($path, $origin, $load) = @_;	2260	my ($path, $origin, $load) = @_;
1963		2261
1964	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1965		2263
1966	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2266	}
1969		2267
1970	$MAP_PREFETCH{$path} |= $load;	2268	$MAP_PREFETCH{$path} |= $load;
1971		2269
1972	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1973	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2275	if (my $map = find $k) {
1976	$map->load if $v;	2276	$map->load if $v;
1977	}	2277	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1985		2285
1986	()	2286	()
1987	}	2287	}
1988		2288
		2289	# common code, used by both ->save and ->swapout
1989	sub save {	2290	sub _save {
1990	my ($self) = @_;	2291	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2292
1994	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1995		2294
1996	return unless $self->dirty;	2295	return unless $self->dirty;
1997		2296
…		…
2003	return if $self->{deny_save};	2302	return if $self->{deny_save};
2004		2303
2005	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
2006		2305
2007	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
2009	};	2309	};
		2310
		2311	cf::get_slot 0.02;
2010		2312
2011	if ($uniq) {	2313	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2316	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2318	}
2017	}	2319	}
2018		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
2019	sub swap_out {	2329	sub swap_out {
2020	my ($self) = @_;	2330	my ($self) = @_;
2021		2331
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
2027	return if $self->players;	2336	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
2031	$self->clear;	2347	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2348	}
2034		2349
2035	sub reset_at {	2350	sub reset_at {
2036	my ($self) = @_;	2351	my ($self) = @_;
2037		2352
…		…
2055		2370
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2372
2058	return if $self->players;	2373	return if $self->players;
2059		2374
2060	warn "resetting map ", $self->path;	2375	cf::trace "resetting map ", $self->path, "\n";
2061		2376
2062	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->in_memory (cf::MAP_SWAPPED);
2063		2378
2064	# need to save uniques path	2379	# need to save uniques path
2065	unless ($self->{deny_save}) {	2380	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2384	if $uniq;
2070	}	2385	}
2071		2386
2072	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
2073		2388
		2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2391	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2392
2078	$self->unlink_save;	2393	$self->unlink_save;
2079	$self->destroy;	2394	$self->destroy;
2080	}	2395	}
2081		2396
2082	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
2083		2398
2084	sub nuke {	2399	sub nuke {
2085	my ($self) = @_;	2400	my ($self) = @_;
2086		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
2087	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
2088		2406
2089	$self->unlink_save;	2407	$self->unlink_save;
2090		2408
2091	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2414
2097	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
2098		2417
2099	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
2100	}	2419	}
2101		2420
2102	=item $maps = cf::map::tmp_maps	2421	=item $maps = cf::map::tmp_maps
…		…
2144		2463
2145	sub unique_maps() {	2464	sub unique_maps() {
2146	[	2465	[
2147	map {	2466	map {
2148	utf8::decode $_;	2467	utf8::decode $_;
2149	/\.map$/	2468	s/\.map$//; # TODO future compatibility hack
		2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2470	? ()
2150	? normalise $_	2471	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2472	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2473	]
2154	}	2474	}
2155		2475
2156	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
2157		2507
2158	=back	2508	=back
2159		2509
2160	=head3 cf::object	2510	=head3 cf::object
2161		2511
…		…
2165		2515
2166	=over 4	2516	=over 4
2167		2517
2168	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
2169		2519
2170	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
2171		2522
2172	=cut	2523	=cut
2173		2524
2174	sub inv_recursive_;	2525	sub inv_recursive_;
2175	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
2178		2529
2179	sub inv_recursive {	2530	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
2181	}	2532	}
2182		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
2183	package cf;	2562	package cf;
2184		2563
2185	=back	2564	=back
2186		2565
2187	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
2196		2575
2197	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
2198		2591
2199	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2593	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2607	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2609
2217	} else {	2610	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2613	}
2221	}	2614	}
2222	}	2615	}
2223		2616
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2642
2250	=item $player_object->enter_link	2643	=item $player_object->enter_link
2251		2644
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2646
2254	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
2256		2651
2257	Will never block.	2652	Will never block.
2258		2653
2259	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
2260		2655
…		…
2280	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2676	my ($self) = @_;
2282		2677
2283	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
2284		2679
		2680	++$self->{_link_recursion};
		2681
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2683
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2685	if $self->map && $self->map->{path} ne "{link}";
2289		2686
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2688	}
2292		2689
2293	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
2295		2692
…		…
2312	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
2314		2711
2315	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
2318		2715
2319	$map->load;	2716	$map->load;
2320	$map->load_neighbours;	2717	$map->load_neighbours;
2321		2718
2322	return unless $self->contr->active;	2719	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2720
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2722	if ($self->enter_map ($map, $x, $y)) {
2327	}	2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
		2726	$self->activate_recursive;
		2727	}
2328		2728
		2729	}
		2730
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2732
2331	Moves the player to the given map-path and coordinates by first freezing	2733	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2734	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2735	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2736	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2737	be called at the end of this process.
2336		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
2337	=cut	2742	=cut
2338		2743
2339	our $GOTOGEN;	2744	our $GOTOGEN;
2340		2745
2341	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
2344	# do generation counting so two concurrent goto's will be executed in-order	2755	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2757
2347	$self->enter_link;	2758	$self->enter_link;
2348		2759
2349	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
2350	my $map = eval {	2782	my $map = eval {
2351	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
2352		2784
2353	if ($map) {	2785	if ($map) {
2354	$map = $map->customise_for ($self);	2786	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2787	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2788	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2790	}
2359		2791
2360	$map	2792	$map
2361	};	2793	};
2362		2794
…		…
2368	if ($gen == $self->{_goto_generation}) {	2800	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2801	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
2371	}	2803	}
2372		2804
2373	$done->() if $done;	2805	$done->($self) if $done;
2374	})->prio (1);	2806	})->prio (1);
2375	}	2807	}
2376		2808
2377	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
2378		2810
…		…
2398	}	2830	}
2399		2831
2400	sub prepare_random_map {	2832	sub prepare_random_map {
2401	my ($exit) = @_;	2833	my ($exit) = @_;
2402		2834
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2837	# that depends on the exit object
2408		2838
2409	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2841	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
2416	}	2848	}
2417		2849
2418	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
2419		2851
2420	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
2423		2855
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2858	undef $fh;
2427	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
2428		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
2431	}	2867	}
2432	}	2868	}
2433		2869
2434	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
2436		2872
2437	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
2438		2874
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2875	$self->enter_link;
2451		2876
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2877	(async {
2457	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
2458	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
2459	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
2460		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
2461	1;	2901	1
2462	}) {	2902	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2907
2468	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2909	$self->leave_link;
2470	}	2910	}
2471	})->prio (1);	2911	})->prio (1);
2472	}	2912	}
2473		2913
…		…
2485	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
2487		2927
2488	utf8::encode $text;	2928	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2930	}
		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
2490	}	2955	}
2491		2956
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		2958
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	2959	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2961	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2962	the message unless the client supports the msg packet.
2498		2963
2499	=cut	2964	=cut
2500		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
2501	sub cf::client::send_msg {	3080	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3081	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3082
2504	$msg = $self->pl->expand_cfpod ($msg);	3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
2505		3085
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
2508	if (ref $channel) {	3095	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3096	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3097	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3098	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3099	$self->ext_msg (channel_info => $channel);
2513	}	3100	}
…		…
2515	$channel = $channel->{id};	3102	$channel = $channel->{id};
2516	}	3103	}
2517		3104
2518	return unless @extra || length $msg;	3105	return unless @extra || length $msg;
2519		3106
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3107	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3109	if $color & cf::NDI_DEF;
2524		3110
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3114	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3115
2539	$color &= cf::NDI_COLOR_MASK;	3116	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3117	}
2553		3118
2554	=item $client->ext_msg ($type, @msg)	3119	=item $client->ext_msg ($type, @msg)
2555		3120
2556	Sends an ext event to the client.	3121	Sends an ext event to the client.
…		…
2559		3124
2560	sub cf::client::ext_msg($$@) {	3125	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3126	my ($self, $type, @msg) = @_;
2562		3127
2563	if ($self->extcmd == 2) {	3128	if ($self->extcmd == 2) {
2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2565	} elsif ($self->extcmd == 1) { # TODO: remove	3130	} elsif ($self->extcmd == 1) { # TODO: remove
2566	push @msg, msgtype => "event_$type";	3131	push @msg, msgtype => "event_$type";
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2568	}	3133	}
2569	}	3134	}
2570		3135
2571	=item $client->ext_reply ($msgid, @msg)	3136	=item $client->ext_reply ($msgid, @msg)
2572		3137
…		…
2576		3141
2577	sub cf::client::ext_reply($$@) {	3142	sub cf::client::ext_reply($$@) {
2578	my ($self, $id, @msg) = @_;	3143	my ($self, $id, @msg) = @_;
2579		3144
2580	if ($self->extcmd == 2) {	3145	if ($self->extcmd == 2) {
2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2582	} elsif ($self->extcmd == 1) {	3147	} elsif ($self->extcmd == 1) {
2583	#TODO: version 1, remove	3148	#TODO: version 1, remove
2584	unshift @msg, msgtype => "reply", msgid => $id;	3149	unshift @msg, msgtype => "reply", msgid => $id;
2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2586	}	3151	}
2587	}	3152	}
2588		3153
2589	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
2590		3155
…		…
2661		3226
2662	$ns->ext_reply ($reply, @reply)	3227	$ns->ext_reply ($reply, @reply)
2663	if $reply;	3228	if $reply;
2664		3229
2665	} else {	3230	} else {
2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2667	}	3232	}
2668		3233
2669	cf::override;	3234	cf::override;
2670	},	3235	},
2671	);	3236	);
…		…
2691		3256
2692	$coro	3257	$coro
2693	}	3258	}
2694		3259
2695	cf::client->attach (	3260	cf::client->attach (
2696	on_destroy => sub {	3261	on_client_destroy => sub {
2697	my ($ns) = @_;	3262	my ($ns) = @_;
2698		3263
2699	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2700	},	3265	},
2701	);	3266	);
…		…
2717	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2718		3283
2719	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2720		3285
2721	$safe->permit_only (Opcode::opset qw(	3286	$safe->permit_only (Opcode::opset qw(
2722	:base_core :base_mem :base_orig :base_math	3287	:base_core :base_mem :base_orig :base_math :base_loop
2723	grepstart grepwhile mapstart mapwhile	3288	grepstart grepwhile mapstart mapwhile
2724	sort time	3289	sort time
2725	));	3290	));
2726		3291
2727	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
…		…
2729	=pod	3294	=pod
2730		3295
2731	The following functions and methods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2732		3297
2733	cf::object	3298	cf::object
2734	contr pay_amount pay_player map x y force_find force_add	3299	contr pay_amount pay_player map x y force_find force_add destroy
2735	insert remove name archname title slaying race decrease_ob_nr	3300	insert remove name archname title slaying race decrease split
		3301	value
2736		3302
2737	cf::object::player	3303	cf::object::player
2738	player	3304	player
2739		3305
2740	cf::player	3306	cf::player
…		…
2745		3311
2746	=cut	3312	=cut
2747		3313
2748	for (	3314	for (
2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750	insert remove inv name archname title slaying race	3316	insert remove inv nrof name archname title slaying race
2751	decrease_ob_nr)],	3317	decrease split destroy change_exp value msg lore send_msg)],
2752	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2753	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2754	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2755	) {	3321	) {
2756	no strict 'refs';
2757	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2758	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2759	for @funs;	3324	for @funs;
2760	}	3325	}
2761		3326
…		…
2776		3341
2777	my $qcode = $code;	3342	my $qcode = $code;
2778	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2779	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2780		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2781	local $_;	3349	local $_;
2782	local @safe::cf::_safe_eval_args = values %vars;
2783		3350
2784	my $eval =	3351	my $eval =
2785	"do {\n"	3352	"do {\n"
2786	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2787	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2788	. $code	3355	. $code
2789	. "\n}"	3356	. "\n}"
2790	;	3357	;
2791		3358
		3359	if ($CFG{safe_eval}) {
2792	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2793	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2794	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2795		3368
2796	if ($@) {	3369	if ($@) {
2797	warn "$@";	3370	warn "$@",
2798	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2799	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2800	}	3373	}
2801		3374
2802	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2803	}	3376	}
2804		3377
…		…
2818	=cut	3391	=cut
2819		3392
2820	sub register_script_function {	3393	sub register_script_function {
2821	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2822		3395
2823	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2824	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2825	}	3398	}
2826		3399
2827	=back	3400	=back
2828		3401
2829	=cut	3402	=cut
…		…
2832	# the server's init and main functions	3405	# the server's init and main functions
2833		3406
2834	sub load_facedata($) {	3407	sub load_facedata($) {
2835	my ($path) = @_;	3408	my ($path) = @_;
2836		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
2837	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838		3415
2839	warn "loading facedata from $path\n";	3416	trace "loading facedata from $path\n";
2840		3417
2841	my $facedata;
2842	0 < aio_load $path, $facedata	3418	0 < aio_load $path, my $facedata
2843	or die "$path: $!";	3419	or die "$path: $!";
2844		3420
2845	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2846		3422
2847	$facedata->{version} == 2	3423	$facedata->{version} == 2
2848	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2849		3425
2850	# patch in the exptable	3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2851	$facedata->{resource}{"res/exp_table"} = {	3428	$facedata->{resource}{"res/exp_table"} = {
2852	type => FT_RSRC,	3429	type => FT_RSRC,
2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
2854	};	3432	};
2855	cf::cede_to_tick;	3433	cf::cede_to_tick;
2856		3434
2857	{	3435	{
2858	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2859		3437
2860	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2862	cf::face::set_visibility $idx, $info->{visibility};	3441	cf::face::set_visibility $idx, $info->{visibility};
2863	cf::face::set_magicmap $idx, $info->{magicmap};	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2866		3445
2867	cf::cede_to_tick;	3446	cf::cede_to_tick;
2868	}	3447	}
2869		3448
2870	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2871	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2872	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2873	or next;	3453	or next;
		3454
2874	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
2875	cf::face::set_smooth $idx, $smooth;	3456	cf::face::set_smooth $idx, $smooth;
2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877	} else {	3458	} else {
2878	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2879	}	3460	}
2880		3461
2881	cf::cede_to_tick;	3462	cf::cede_to_tick;
2882	}	3463	}
2883	}	3464	}
…		…
2892		3473
2893	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2894	}	3475	}
2895		3476
2896	{	3477	{
2897	# TODO: for gcfclient pleasure, we should give resources
2898	# that gcfclient doesn't grok a >10000 face index.
2899	my $res = $facedata->{resource};	3478	my $res = $facedata->{resource};
2900		3479
2901	my $soundconf = delete $res->{"res/sound.conf"};
2902
2903	while (my ($name, $info) = each %$res) {	3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905	my $data;
2906		3483
2907	if ($info->{type} & 1) {	3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2908	# prepend meta info	3485	cf::face::set_type $idx, $info->{type};
2909
2910	my $meta = $enc->encode ({
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	$data = pack "(w/a*)*", $meta, $info->{data};
2916	} else {	3486	} else {
2917	$data = $info->{data};	3487	$RESOURCE{$name} = $info; # unused
2918	}	3488	}
2919		3489
2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921	cf::face::set_type $idx, $info->{type};
2922
2923	cf::cede_to_tick;	3490	cf::cede_to_tick;
2924	}	3491	}
2925
2926	if ($soundconf) {
2927	$soundconf = $enc->decode (delete $soundconf->{data});
2928
2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930	my $sound = $soundconf->{compat}[$_]
2931	or next;
2932
2933	my $face = cf::face::find "sound/$sound->[1]";
2934	cf::sound::set $sound->[0] => $face;
2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936	}
2937
2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
2939	my $face = cf::face::find "sound/$v";
2940	cf::sound::set $k => $face;
2941	}
2942	}
2943	}	3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944		3495
2945	1	3496	1
2946	}	3497	}
2947		3498
2948	register_exticmd fx_want => sub {	3499	register_exticmd fx_want => sub {
…		…
2951	while (my ($k, $v) = each %$want) {	3502	while (my ($k, $v) = each %$want) {
2952	$ns->fx_want ($k, $v);	3503	$ns->fx_want ($k, $v);
2953	}	3504	}
2954	};	3505	};
2955		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2956	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2957	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2958	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
2959		3524
2960	for (cf::region::list) {	3525	for (cf::region::list) {
2961	$_->{match} = qr/$_->{match}/	3526	$_->{match} = qr/$_->{match}/
…		…
2969	}	3534	}
2970		3535
2971	sub reload_archetypes {	3536	sub reload_archetypes {
2972	load_resource_file "$DATADIR/archetypes"	3537	load_resource_file "$DATADIR/archetypes"
2973	or die "unable to load archetypes\n";	3538	or die "unable to load archetypes\n";
2974	#d# NEED to laod twice to resolve forward references
2975	# this really needs to be done in an extra post-pass
2976	# (which needs to be synchronous, so solve it differently)
2977	load_resource_file "$DATADIR/archetypes"
2978	or die "unable to load archetypes\n";
2979	}	3539	}
2980		3540
2981	sub reload_treasures {	3541	sub reload_treasures {
2982	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2983	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2984	}	3544	}
2985		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2986	sub reload_resources {	3569	sub reload_resources {
2987	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2988		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
2989	reload_regions;	3577	reload_regions;
2990	reload_facedata;
2991	#reload_archetypes;#d#
2992	reload_archetypes;
2993	reload_treasures;	3578	reload_treasures;
2994		3579
2995	warn "finished reloading resource files\n";	3580	trace "finished reloading resource files\n";
2996	}	3581	}
2997		3582
2998	sub init {	3583	sub reload_config {
2999	reload_resources;	3584	trace "reloading config file...\n";
3000	}
3001		3585
3002	sub cfg_load {	3586	0 < aio_load "$CONFDIR/config", my $config
3003	open my $fh, "<:utf8", "$CONFDIR/config"	3587	or die "$CONFDIR/config: $!";
3004	or return;
3005		3588
3006	local $/;	3589	utf8::decode $config;
3007	*CFG = YAML::Syck::Load <$fh>;	3590	*CFG = yaml_load $config;
3008		3591
3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3010		3593
3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3013		3596
3014	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
3018	};	3601	};
3019	warn $@ if $@;	3602	warn $@ if $@;
3020	}	3603	}
3021	}	3604	}
3022		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
3023	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
3024	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
3025	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027	(async {	3647	(async {
3028	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
3029	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
3030	};	3651	};
3031		3652
3032	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
3033	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
3034	load_extensions;	3676	load_extensions;
3035		3677
3036	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
3037	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
3038	}	3696	}
3039		3697
3040	#############################################################################	3698	#############################################################################
3041	# initialisation and cleanup	3699	# initialisation and cleanup
3042		3700
3043	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
3044	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
3045	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
3046	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3047	reentrant => 0,
3048	data => WF_AUTOCANCEL,
3049	signal => $signal,
3050	prio => 0,
3051	cb => sub {
3052	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
3053	},
3054	);	3707	};
3055	}	3708	}
3056	}	3709	}
3057		3710
3058	sub write_runtime {	3711	sub write_runtime_sync {
3059	my $runtime = "$LOCALDIR/runtime";	3712	my $t0 = AE::time;
3060		3713
3061	# first touch the runtime file to show we are still running:	3714	# first touch the runtime file to show we are still running:
3062	# the fsync below can take a very very long time.	3715	# the fsync below can take a very very long time.
3063		3716
3064	IO::AIO::aio_utime $runtime, undef, undef;	3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3065		3718
3066	my $guard = cf::lock_acquire "write_runtime";	3719	my $guard = cf::lock_acquire "write_runtime";
3067		3720
3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3069	or return;	3722	or return;
3070		3723
3071	my $value = $cf::RUNTIME + 90 + 10;	3724	my $value = $cf::RUNTIME + 90 + 10;
3072	# 10 is the runtime save interval, for a monotonic clock	3725	# 10 is the runtime save interval, for a monotonic clock
3073	# 60 allows for the watchdog to kill the server.	3726	# 60 allows for the watchdog to kill the server.
…		…
3083	aio_utime $fh, undef, undef;	3736	aio_utime $fh, undef, undef;
3084		3737
3085	close $fh	3738	close $fh
3086	or return;	3739	or return;
3087		3740
3088	aio_rename "$runtime~", $runtime	3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3089	and return;	3742	and return;
3090		3743
3091	warn "runtime file written.\n";	3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3092		3745
3093	1	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
3094	}	3797	}
3095		3798
3096	sub emergency_save() {	3799	sub emergency_save() {
3097	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
3098		3801
3099	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
3100		3808
3101	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
3102	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
3103	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
3104	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
3105	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
3106	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
3107	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
3108	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109	$pl->save;	3820	$pl->save;
3110	}	3821	}
3111	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
3112		3823
3113	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
3114	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
3115	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
3116	$map->valid or next;	3829	$map->valid or next;
3117	$map->save;	3830	$map->save;
3118	}	3831	}
3119	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
3120		3833
3121	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
3123	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
3124	};	3862	};
3125		3863
3126	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
3127	}	3865	}
3128		3866
3129	sub post_cleanup {	3867	sub post_cleanup {
3130	my ($make_core) = @_;	3868	my ($make_core) = @_;
3131		3869
		3870	IO::AIO::flush;
		3871
3132	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
3133	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
3134	}	3902	}
3135		3903
3136	sub do_reload_perl() {	3904	sub do_reload_perl() {
3137	# can/must only be called in main	3905	# can/must only be called in main
3138	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
3139	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
3140	return;	3908	return;
3141	}	3909	}
3142		3910
3143	warn "reloading...";	3911	return if $RELOAD++;
3144		3912
3145	warn "entering sync_job";	3913	my $t1 = AE::time;
3146		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
3147	cf::sync_job {	3921	cf::sync_job {
3148	cf::write_runtime; # external watchdog should not bark
3149	cf::emergency_save;	3922	#cf::emergency_save;
3150	cf::write_runtime; # external watchdog should not bark
3151		3923
3152	warn "syncing database to disk";
3153	BDB::db_env_txn_checkpoint $DB_ENV;
3154
3155	# if anything goes wrong in here, we should simply crash as we already saved
3156
3157	warn "cancelling all WF_AUTOCANCEL watchers";
3158	for (Event::all_watchers) {
3159	$_->cancel if $_->data & WF_AUTOCANCEL;
3160	}
3161
3162	warn "flushing outstanding aio requests";
3163	for (;;) {
3164	BDB::flush;
3165	IO::AIO::flush;
3166	Coro::cede;
3167	last unless IO::AIO::nreqs || BDB::nreqs;
3168	warn "iterate...";
3169	}
3170
3171	++$RELOAD;
3172
3173	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
3174	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
3175	%EXT_CORO = ();	3926	%EXT_CORO = ();
3176		3927
3177	warn "removing commands";	3928	trace "perl_reload: removing commands";
3178	%COMMAND = ();	3929	%COMMAND = ();
3179		3930
3180	warn "removing ext/exti commands";	3931	trace "perl_reload: removing ext/exti commands";
3181	%EXTCMD = ();	3932	%EXTCMD = ();
3182	%EXTICMD = ();	3933	%EXTICMD = ();
3183		3934
3184	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
3185	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
3186	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
3187		3938
3188	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
3189	eval {	3940	eval {
3190	$cb->($pkg);	3941	$cb->($pkg);
3191	1	3942	1
3192	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
3193	}	3948	}
3194		3949
3195	warn "... nuking $pkg";
3196	Symbol::delete_package $pkg;
3197	}
3198
3199	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3200	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3202		3953
3203	warn "... unloading $k";	3954	trace "... unloading $k";
3204	delete $INC{$k};	3955	delete $INC{$k};
3205		3956
3206	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
3207	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
3208		3959
3209	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
3210	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
3211	}	3965	}
3212		3966
3213	Symbol::delete_package $k;
3214	}
3215
3216	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
3217	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3219		3970
3220	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
3221	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
3222	delete $INC{"cf/pod.pm"};	3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3223		3974
3224	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
3225	# and global variables created in xs	3976	# and global variables created in xs
3226	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
3227		3978
3228	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
3229		3980
3230	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
3231	require cf;	3982	require cf;
3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
3233		3984
3234	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
3235	cf::cfg_load;	3986	cf::reload_config;
3236		3987
3237	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
3238	cf::load_extensions;	3989	cf::load_extensions;
3239		3990
		3991	if ($REATTACH_ON_RELOAD) {
3240	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
3241	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
3242	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
3243	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
3244	warn "reattaching attachments to players";	3996	trace "perl_reload: reattaching attachments to players";
3245	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
3246		3999
3247	warn "leaving sync_job";	4000	cf::_post_init 1;
3248		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
3249	1	4004	1
3250	} or do {	4005	} or do {
3251	warn $@;	4006	error $@;
3252	warn "error while reloading, exiting.";	4007	cf::cleanup "perl_reload: error, exiting.";
3253	exit 1;	4008	};
		4009
		4010	--$RELOAD;
3254	};	4011	}
3255		4012
3256	warn "reloaded";	4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
3257	};	4015	};
3258		4016
3259	our $RELOAD_WATCHER; # used only during reload	4017	our $RELOAD_WATCHER; # used only during reload
3260		4018
3261	sub reload_perl() {	4019	sub reload_perl() {
3262	# doing reload synchronously and two reloads happen back-to-back,	4020	# doing reload synchronously and two reloads happen back-to-back,
3263	# coro crashes during coro_state_free->destroy here.	4021	# coro crashes during coro_state_free->destroy here.
3264		4022
3265	$RELOAD_WATCHER ||= Event->timer (	4023	$RELOAD_WATCHER ||= cf::async {
3266	reentrant => 0,	4024	Coro::AIO::aio_wait cache_extensions;
3267	after => 0,	4025
3268	data => WF_AUTOCANCEL,	4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3269	cb => sub {
3270	do_reload_perl;	4027	do_reload_perl;
3271	undef $RELOAD_WATCHER;	4028	undef $RELOAD_WATCHER;
3272	},	4029	};
3273	);	4030	};
3274	}	4031	}
3275		4032
3276	register_command "reload" => sub {	4033	register_command "reload" => sub {
3277	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
3278		4035
3279	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
3280	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
3281	async { reload_perl };	4040	reload_perl;
		4041	};
3282	}	4042	}
3283	};	4043	};
3284		4044
3285	unshift @INC, $LIBDIR;	4045	#############################################################################
3286		4046
3287	my $bug_warning = 0;	4047	my $bug_warning = 0;
3288		4048
3289	our @WAIT_FOR_TICK;	4049	our @WAIT_FOR_TICK;
3290	our @WAIT_FOR_TICK_BEGIN;	4050	our @WAIT_FOR_TICK_BEGIN;
3291		4051
3292	sub wait_for_tick {	4052	sub wait_for_tick() {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3295		4054
3296	my $signal = new Coro::Signal;	4055	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK, $signal;	4056	push @WAIT_FOR_TICK, $signal;
3298	$signal->wait;	4057	$signal->wait;
3299	}	4058	}
3300		4059
3301	sub wait_for_tick_begin {	4060	sub wait_for_tick_begin() {
3302	return unless $TICK_WATCHER->is_active;
3303	return if $Coro::current == $Coro::main;	4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3304		4062
3305	my $signal = new Coro::Signal;	4063	my $signal = new Coro::Signal;
3306	push @WAIT_FOR_TICK_BEGIN, $signal;	4064	push @WAIT_FOR_TICK_BEGIN, $signal;
3307	$signal->wait;	4065	$signal->wait;
3308	}	4066	}
3309		4067
3310	my $min = 1e6;#d#	4068	sub tick {
3311	my $avg = 10;
3312	$TICK_WATCHER = Event->timer (
3313	reentrant => 0,
3314	parked => 1,
3315	prio => 0,
3316	at => $NEXT_TICK || $TICK,
3317	data => WF_AUTOCANCEL,
3318	cb => sub {
3319	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
3322	return;	4072	return;
3323	}	4073	}
3324		4074
3325	$NOW = $tick_start = Event::time;
3326
3327	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
3328		4076
3329	0 && sync_job {#d#	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3330	for(1..10) {
3331	my $t = Event::time;
3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3333	or die;
3334		4078
3335	$map->width (50);	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336	$map->height (50);	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3337	$map->alloc;	4081	Coro::async_pool {
3338	$map->_load_objects ("/tmp/x.map", 1);	4082	$Coro::current->{desc} = "runtime saver";
3339	my $t = Event::time - $t;	4083	write_runtime_sync
3340		4084	or error "ERROR: unable to write runtime file: $!";
3341	#next unless $t < 0.0013;#d#
3342	if ($t < $min) {
3343	$min = $t;
3344	}
3345	$avg = $avg * 0.99 + $t * 0.01;
3346	}
3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348	exit 0;
3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350	};	4085	};
		4086	}
3351		4087
3352	$RUNTIME += $TICK;
3353	$NEXT_TICK += $TICK;
3354
3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
3357	Coro::async_pool {
3358	write_runtime
3359	or warn "ERROR: unable to write runtime file: $!";
3360	};
3361	}
3362
3363	# my $AFTER = Event::time;
3364	# warn $AFTER - $NOW;#d#
3365
3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367	$sig->send;	4089	$sig->send;
3368	}	4090	}
3369	while (my $sig = shift @WAIT_FOR_TICK) {	4091	while (my $sig = shift @WAIT_FOR_TICK) {
3370	$sig->send;	4092	$sig->send;
3371	}	4093	}
3372		4094
3373	$NOW = Event::time;	4095	$LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375	# if we are delayed by four ticks or more, skip them all
3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378	$TICK_WATCHER->at ($NEXT_TICK);
3379	$TICK_WATCHER->start;
3380
3381	$LOAD = ($NOW - $tick_start) / $TICK;
3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383		4097
3384	_post_tick;	4098	if (0) {
3385		4099	if ($NEXT_TICK) {
3386		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
3387	},	4104	}
3388	);	4105	}
3389		4106
3390	{	4107	{
3391	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
3392	$BDB_POLL_WATCHER = Event->io (	4109
3393	reentrant => 0,
3394	fd => BDB::poll_fileno,
3395	poll => 'r',
3396	prio => 0,
3397	data => WF_AUTOCANCEL,
3398	cb => \&BDB::poll_cb,
3399	);
3400	BDB::min_parallel 8;	4110	BDB::min_parallel 16;
3401		4111	BDB::max_poll_reqs $TICK * 0.1;
3402	BDB::set_sync_prepare {	4112	$AnyEvent::BDB::WATCHER->priority (1);
3403	my $status;
3404	my $current = $Coro::current;
3405	(
3406	sub {
3407	$status = $!;
3408	$current->ready; undef $current;
3409	},
3410	sub {
3411	Coro::schedule while defined $current;
3412	$! = $status;
3413	},
3414	)
3415	};
3416		4113
3417	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
3418	$DB_ENV = BDB::db_env_create;	4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419		4121
3420	cf::sync_job {	4122	cf::sync_job {
3421	eval {	4123	eval {
3422	BDB::db_env_open	4124	BDB::db_env_open
3423	$DB_ENV,	4125	$DB_ENV,
…		…
3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427	0666;	4129	0666;
3428		4130
3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432	$DB_ENV->set_lk_detect;
3433	};	4132	};
3434		4133
3435	cf::cleanup "db_env_open(db): $@" if $@;	4134	cf::cleanup "db_env_open(db): $@" if $@;
3436	};	4135	};
3437	}	4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
3438	}	4147	}
3439		4148
3440	{	4149	{
		4150	# configure IO::AIO
		4151
3441	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
3442
3443	undef $Coro::AIO::WATCHER;
3444	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
3445	$AIO_POLL_WATCHER = Event->io (	4154	undef $AnyEvent::AIO::WATCHER;
3446	reentrant => 0,
3447	data => WF_AUTOCANCEL,
3448	fd => IO::AIO::poll_fileno,
3449	poll => 'r',
3450	prio => 6,
3451	cb => \&IO::AIO::poll_cb,
3452	);
3453	}	4155	}
3454		4156
3455	my $_log_backtrace;	4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
3456		4159
3457	sub _log_backtrace {	4160	sub _log_backtrace {
3458	my ($msg, @addr) = @_;	4161	my ($msg, @addr) = @_;
3459		4162
3460	$msg =~ s/\n//;	4163	$msg =~ s/\n$//;
3461		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3462	# limit the # of concurrent backtraces	4168	# limit the # of concurrent backtraces
3463	if ($_log_backtrace < 2) {	4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
3464	++$_log_backtrace;	4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
3465	async {	4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
3466	my @bt = fork_call {	4176	my @bt = fork_call {
3467	@addr = map { sprintf "%x", $_ } @addr;	4177	@addr = map { sprintf "%x", $_ } @addr;
3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470	or die "addr2line: $!";	4180	or die "addr2line: $!";
…		…
3478	}	4188	}
3479		4189
3480	@funcs	4190	@funcs
3481	};	4191	};
3482		4192
3483	LOG llevInfo, "[ABT] $msg\n";	4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3484	LOG llevInfo, "[ABT] $_\n" for @bt;	4195	LOG llevInfo, "[ABT] $_\n" for @bt;
3485	--$_log_backtrace;	4196	--$_log_backtrace;
3486	};	4197	};
3487	} else {	4198	} else {
3488	LOG llevInfo, "[ABT] $msg\n";	4199	LOG llevInfo, "[ABT] $msg\n";
3489	LOG llevInfo, "[ABT] [suppressed]\n";	4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3490	}	4201	}
3491	}	4202	}
3492		4203
3493	# load additional modules	4204	# load additional modules
3494	use cf::pod;	4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
3495		4207
3496	END { cf::emergency_save }	4208	END { cf::emergency_save }
3497		4209
3498	1	4210	1
3499		4211

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