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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.339 by root, Fri Aug 24 00:26:10 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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 1.4 ();	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->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1602		1889
1603	sub register {	1890	sub register {
1604	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1892	my $pkg = caller;
1606		1893
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1895
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1897	}
1612		1898
1613	# also paths starting with '/'	1899	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1901
1616	sub thawer_merge {	1902	sub thawer_merge {
1617	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1618		1904
1619	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1624	}	1910	}
1625		1911
1626	sub normalise {	1912	sub normalise {
1627	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1628		1914
1629	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1630		1916
1631	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1632		1918
1633	# map plan:	1919	# map plan:
1634	#	1920	#
…		…
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	}	2192	}
1904		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2197	sub customise_for {
1906	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1907		2199
1908	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2201	if $self->per_player;
…		…
1925	or next;	2217	or next;
1926	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1927	or next;	2219	or next;
1928	$neigh->load;	2220	$neigh->load;
1929		2221
		2222	# now find the diagonal neighbours
1930	push @neigh,	2223	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2226	}
1934		2227
…		…
1941	}	2234	}
1942		2235
1943	sub find_sync {	2236	sub find_sync {
1944	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1945		2238
1946	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1947	}	2243	}
1948		2244
1949	sub do_load_sync {	2245	sub do_load_sync {
1950	my ($map) = @_;	2246	my ($map) = @_;
1951		2247
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current != $Coro::main;	2249	if $Coro::current == $Coro::main;
1954		2250
1955	cf::sync_job { $map->load };	2251	$map->load;
1956	}	2252	}
1957		2253
1958	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1960		2256
…		…
1962	my ($path, $origin, $load) = @_;	2258	my ($path, $origin, $load) = @_;
1963		2259
1964	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1965		2261
1966	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2264	}
1969		2265
1970	$MAP_PREFETCH{$path} |= $load;	2266	$MAP_PREFETCH{$path} |= $load;
1971		2267
1972	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1973	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2273	if (my $map = find $k) {
1976	$map->load if $v;	2274	$map->load if $v;
1977	}	2275	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1985		2283
1986	()	2284	()
1987	}	2285	}
1988		2286
		2287	# common code, used by both ->save and ->swapout
1989	sub save {	2288	sub _save {
1990	my ($self) = @_;	2289	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2290
1994	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1995		2292
1996	return unless $self->dirty;	2293	return unless $self->dirty;
1997		2294
…		…
2003	return if $self->{deny_save};	2300	return if $self->{deny_save};
2004		2301
2005	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
2006		2303
2007	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
2009	};	2307	};
		2308
		2309	cf::get_slot 0.02;
2010		2310
2011	if ($uniq) {	2311	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2314	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2316	}
2017	}	2317	}
2018		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
2019	sub swap_out {	2327	sub swap_out {
2020	my ($self) = @_;	2328	my ($self) = @_;
2021		2329
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
2027	return if $self->players;	2334	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
2031	$self->clear;	2345	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2346	}
2034		2347
2035	sub reset_at {	2348	sub reset_at {
2036	my ($self) = @_;	2349	my ($self) = @_;
2037		2350
…		…
2055		2368
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2370
2058	return if $self->players;	2371	return if $self->players;
2059		2372
2060	warn "resetting map ", $self->path;	2373	cf::trace "resetting map ", $self->path, "\n";
2061		2374
2062	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
2063		2376
2064	# need to save uniques path	2377	# need to save uniques path
2065	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2382	if $uniq;
2070	}	2383	}
2071		2384
2072	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
2073		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2389	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2390
2078	$self->unlink_save;	2391	$self->unlink_save;
2079	$self->destroy;	2392	$self->destroy;
2080	}	2393	}
2081		2394
2082	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
2083		2396
2084	sub nuke {	2397	sub nuke {
2085	my ($self) = @_;	2398	my ($self) = @_;
2086		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
2087	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
2088		2404
2089	$self->unlink_save;	2405	$self->unlink_save;
2090		2406
2091	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2412
2097	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
2098		2415
2099	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
2100	}	2417	}
2101		2418
2102	=item $maps = cf::map::tmp_maps	2419	=item $maps = cf::map::tmp_maps
…		…
2144		2461
2145	sub unique_maps() {	2462	sub unique_maps() {
2146	[	2463	[
2147	map {	2464	map {
2148	utf8::decode $_;	2465	utf8::decode $_;
2149	/\.map$/	2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
2150	? normalise $_	2469	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2470	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2471	]
2154	}	2472	}
2155		2473
2156	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
2157		2505
2158	=back	2506	=back
2159		2507
2160	=head3 cf::object	2508	=head3 cf::object
2161		2509
…		…
2165		2513
2166	=over 4	2514	=over 4
2167		2515
2168	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
2169		2517
2170	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
2171		2520
2172	=cut	2521	=cut
2173		2522
2174	sub inv_recursive_;	2523	sub inv_recursive_;
2175	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
2178		2527
2179	sub inv_recursive {	2528	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
2181	}	2530	}
2182		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
2183	package cf;	2560	package cf;
2184		2561
2185	=back	2562	=back
2186		2563
2187	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	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	2571	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
2196		2573
2197	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
2198		2589
2199	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2591	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2605	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2607
2217	} else {	2608	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2611	}
2221	}	2612	}
2222	}	2613	}
2223		2614
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2640
2250	=item $player_object->enter_link	2641	=item $player_object->enter_link
2251		2642
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2644
2254	The player should be reasonably safe there for short amounts of time. You	2645	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.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
2256		2649
2257	Will never block.	2650	Will never block.
2258		2651
2259	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
2260		2653
…		…
2280	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2674	my ($self) = @_;
2282		2675
2283	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
2284		2677
		2678	++$self->{_link_recursion};
		2679
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2681
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2683	if $self->map && $self->map->{path} ne "{link}";
2289		2684
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2686	}
2292		2687
2293	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
2295		2690
…		…
2312	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
2314		2709
2315	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
2318		2713
2319	$map->load;	2714	$map->load;
2320	$map->load_neighbours;	2715	$map->load_neighbours;
2321		2716
2322	return unless $self->contr->active;	2717	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2718
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
2327	}	2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
		2724	$self->activate_recursive;
		2725	}
2328		2726
		2727	}
		2728
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2730
2331	Moves the player to the given map-path and coordinates by first freezing	2731	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	2732	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	2733	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	2734	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2735	be called at the end of this process.
2336		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
		2739
2337	=cut	2740	=cut
2338		2741
2339	our $GOTOGEN;	2742	our $GOTOGEN;
2340		2743
2341	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
		2752
2344	# do generation counting so two concurrent goto's will be executed in-order	2753	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2755
2347	$self->enter_link;	2756	$self->enter_link;
2348		2757
2349	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
2350	my $map = eval {	2780	my $map = eval {
2351	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
2352		2782
2353	if ($map) {	2783	if ($map) {
2354	$map = $map->customise_for ($self);	2784	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2785	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2786	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2788	}
2359		2789
2360	$map	2790	$map
2361	};	2791	};
2362		2792
…		…
2368	if ($gen == $self->{_goto_generation}) {	2798	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2799	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
2371	}	2801	}
2372		2802
2373	$done->() if $done;	2803	$done->($self) if $done;
2374	})->prio (1);	2804	})->prio (1);
2375	}	2805	}
2376		2806
2377	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
2378		2808
…		…
2398	}	2828	}
2399		2829
2400	sub prepare_random_map {	2830	sub prepare_random_map {
2401	my ($exit) = @_;	2831	my ($exit) = @_;
2402		2832
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2835	# that depends on the exit object
2408		2836
2409	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2839	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
2416	}	2846	}
2417		2847
2418	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
2419		2849
2420	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
2423		2853
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2856	undef $fh;
2427	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
2428		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
2431	}	2865	}
2432	}	2866	}
2433		2867
2434	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
2436		2870
2437	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
2438		2872
2439	if ($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;	2873	$self->enter_link;
2451		2874
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 {	2875	(async {
2457	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
2458	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
2459	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
2460		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
2461	1;	2899	1
2462	}) {	2900	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2905
2468	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2907	$self->leave_link;
2470	}	2908	}
2471	})->prio (1);	2909	})->prio (1);
2472	}	2910	}
2473		2911
…		…
2485	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
2487		2925
2488	utf8::encode $text;	2926	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2928	}
		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
2490	}	2953	}
2491		2954
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		2956
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	2957	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2959	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2960	the message unless the client supports the msg packet.
2498		2961
2499	=cut	2962	=cut
2500		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
2501	sub cf::client::send_msg {	3078	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3079	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3080
2504	$msg = $self->pl->expand_cfpod ($msg);	3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
2505		3083
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
2508	if (ref $channel) {	3093	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3094	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3095	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3096	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3097	$self->ext_msg (channel_info => $channel);
2513	}	3098	}
…		…
2515	$channel = $channel->{id};	3100	$channel = $channel->{id};
2516	}	3101	}
2517		3102
2518	return unless @extra || length $msg;	3103	return unless @extra || length $msg;
2519		3104
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3105	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3107	if $color & cf::NDI_DEF;
2524		3108
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3112	);
2528	if ($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		3113
2539	$color &= cf::NDI_COLOR_MASK;	3114	$self->send_big_packet ($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	}	3115	}
2553		3116
2554	=item $client->ext_msg ($type, @msg)	3117	=item $client->ext_msg ($type, @msg)
2555		3118
2556	Sends an ext event to the client.	3119	Sends an ext event to the client.
…		…
2558	=cut	3121	=cut
2559		3122
2560	sub cf::client::ext_msg($$@) {	3123	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3124	my ($self, $type, @msg) = @_;
2562		3125
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	3126	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	3128	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	3129	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	3131	}
2571	}	3132	}
2572		3133
2573	=item $client->ext_reply ($msgid, @msg)	3134	=item $client->ext_reply ($msgid, @msg)
2574		3135
…		…
2578		3139
2579	sub cf::client::ext_reply($$@) {	3140	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3141	my ($self, $id, @msg) = @_;
2581		3142
2582	if ($self->extcmd == 2) {	3143	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	3145	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	3146	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	3147	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3149	}
2589	}	3150	}
2590		3151
2591	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2592		3153
…		…
2663		3224
2664	$ns->ext_reply ($reply, @reply)	3225	$ns->ext_reply ($reply, @reply)
2665	if $reply;	3226	if $reply;
2666		3227
2667	} else {	3228	} else {
2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2669	}	3230	}
2670		3231
2671	cf::override;	3232	cf::override;
2672	},	3233	},
2673	);	3234	);
…		…
2693		3254
2694	$coro	3255	$coro
2695	}	3256	}
2696		3257
2697	cf::client->attach (	3258	cf::client->attach (
2698	on_destroy => sub {	3259	on_client_destroy => sub {
2699	my ($ns) = @_;	3260	my ($ns) = @_;
2700		3261
2701	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2702	},	3263	},
2703	);	3264	);
…		…
2719	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2720		3281
2721	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2722		3283
2723	$safe->permit_only (Opcode::opset qw(	3284	$safe->permit_only (Opcode::opset qw(
2724	:base_core :base_mem :base_orig :base_math	3285	:base_core :base_mem :base_orig :base_math :base_loop
2725	grepstart grepwhile mapstart mapwhile	3286	grepstart grepwhile mapstart mapwhile
2726	sort time	3287	sort time
2727	));	3288	));
2728		3289
2729	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
…		…
2731	=pod	3292	=pod
2732		3293
2733	The following functions and methods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2734		3295
2735	cf::object	3296	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3297	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race	3298	insert remove name archname title slaying race decrease split
		3299	value
2738		3300
2739	cf::object::player	3301	cf::object::player
2740	player	3302	player
2741		3303
2742	cf::player	3304	cf::player
…		…
2747		3309
2748	=cut	3310	=cut
2749		3311
2750	for (	3312	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race)],	3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2753	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2755	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2756	) {	3319	) {
2757	no strict 'refs';
2758	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2759	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2760	for @funs;	3322	for @funs;
2761	}	3323	}
2762		3324
…		…
2777		3339
2778	my $qcode = $code;	3340	my $qcode = $code;
2779	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2780	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2781		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2782	local $_;	3347	local $_;
2783	local @safe::cf::_safe_eval_args = values %vars;
2784		3348
2785	my $eval =	3349	my $eval =
2786	"do {\n"	3350	"do {\n"
2787	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2788	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2789	. $code	3353	. $code
2790	. "\n}"	3354	. "\n}"
2791	;	3355	;
2792		3356
		3357	if ($CFG{safe_eval}) {
2793	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2794	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2795	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2796		3366
2797	if ($@) {	3367	if ($@) {
2798	warn "$@";	3368	warn "$@",
2799	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2800	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2801	}	3371	}
2802		3372
2803	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2804	}	3374	}
2805		3375
…		…
2819	=cut	3389	=cut
2820		3390
2821	sub register_script_function {	3391	sub register_script_function {
2822	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2823		3393
2824	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2825	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2826	}	3396	}
2827		3397
2828	=back	3398	=back
2829		3399
2830	=cut	3400	=cut
…		…
2833	# the server's init and main functions	3403	# the server's init and main functions
2834		3404
2835	sub load_facedata($) {	3405	sub load_facedata($) {
2836	my ($path) = @_;	3406	my ($path) = @_;
2837		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
2838	my $enc = JSON::XS->new->utf8->canonical;	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3413
2840	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2841		3415
2842	my $facedata;
2843	0 < aio_load $path, $facedata	3416	0 < aio_load $path, my $facedata
2844	or die "$path: $!";	3417	or die "$path: $!";
2845		3418
2846	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2847		3420
2848	$facedata->{version} == 2	3421	$facedata->{version} == 2
2849	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2850		3423
2851	# patch in the exptable	3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2852	$facedata->{resource}{"res/exp_table"} = {	3426	$facedata->{resource}{"res/exp_table"} = {
2853	type => FT_RSRC,	3427	type => FT_RSRC,
2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
2855	};	3430	};
2856	cf::cede_to_tick;	3431	cf::cede_to_tick;
2857		3432
2858	{	3433	{
2859	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2860		3435
2861	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2863	cf::face::set_visibility $idx, $info->{visibility};	3439	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2867		3443
2868	cf::cede_to_tick;	3444	cf::cede_to_tick;
2869	}	3445	}
2870		3446
2871	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2873	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2874	or next;	3451	or next;
		3452
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3454	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3456	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2880	}	3458	}
2881		3459
2882	cf::cede_to_tick;	3460	cf::cede_to_tick;
2883	}	3461	}
2884	}	3462	}
…		…
2893		3471
2894	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2895	}	3473	}
2896		3474
2897	{	3475	{
2898	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3476	my $res = $facedata->{resource};
2901		3477
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;
2907		3481
2908	if ($info->{type} & 1) {	3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2909	# prepend meta info	3483	cf::face::set_type $idx, $info->{type};
2910
2911	my $meta = $enc->encode ({
2912	name => $name,
2913	%{ $info->{meta} || {} },
2914	});
2915
2916	$data = pack "(w/a*)*", $meta, $info->{data};
2917	} else {	3484	} else {
2918	$data = $info->{data};	3485	$RESOURCE{$name} = $info; # unused
2919	}	3486	}
2920		3487
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3488	cf::cede_to_tick;
2925	}	3489	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3493
2946	1	3494	1
2947	}	3495	}
2948		3496
2949	register_exticmd fx_want => sub {	3497	register_exticmd fx_want => sub {
…		…
2952	while (my ($k, $v) = each %$want) {	3500	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3501	$ns->fx_want ($k, $v);
2954	}	3502	}
2955	};	3503	};
2956		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2957	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2958	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
2960		3522
2961	for (cf::region::list) {	3523	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3524	$_->{match} = qr/$_->{match}/
…		…
2970	}	3532	}
2971		3533
2972	sub reload_archetypes {	3534	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3535	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3536	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references
2976	# this really needs to be done in an extra post-pass
2977	# (which needs to be synchronous, so solve it differently)
2978	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";
2980	}	3537	}
2981		3538
2982	sub reload_treasures {	3539	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2985	}	3542	}
2986		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2987	sub reload_resources {	3567	sub reload_resources {
2988	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2989		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2990	reload_regions;	3575	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3576	reload_treasures;
2995		3577
2996	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2997	}	3579	}
2998		3580
2999	sub init {	3581	sub reload_config {
3000	reload_resources;	3582	trace "reloading config file...\n";
3001	}
3002		3583
3003	sub cfg_load {	3584	0 < aio_load "$CONFDIR/config", my $config
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3585	or die "$CONFDIR/config: $!";
3005	or return;
3006		3586
3007	local $/;	3587	utf8::decode $config;
3008	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = yaml_load $config;
3009		3589
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3011		3591
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3014		3594
3015	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
3019	};	3599	};
3020	warn $@ if $@;	3600	warn $@ if $@;
3021	}	3601	}
3022	}	3602	}
3023		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
3024	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
3025	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3645	(async {
3029	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
3031	};	3649	};
3032		3650
3033	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
3034	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
3035	load_extensions;	3674	load_extensions;
3036		3675
3037	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
3038	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
3039	}	3694	}
3040		3695
3041	#############################################################################	3696	#############################################################################
3042	# initialisation and cleanup	3697	# initialisation and cleanup
3043		3698
3044	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
3045	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
3054	},
3055	);	3705	};
3056	}	3706	}
3057	}	3707	}
3058		3708
3059	sub write_runtime {	3709	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";	3710	my $t0 = AE::time;
3061		3711
3062	# first touch the runtime file to show we are still running:	3712	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3713	# the fsync below can take a very very long time.
3064		3714
3065	IO::AIO::aio_utime $runtime, undef, undef;	3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066		3716
3067	my $guard = cf::lock_acquire "write_runtime";	3717	my $guard = cf::lock_acquire "write_runtime";
3068		3718
3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3070	or return;	3720	or return;
3071		3721
3072	my $value = $cf::RUNTIME + 90 + 10;	3722	my $value = $cf::RUNTIME + 90 + 10;
3073	# 10 is the runtime save interval, for a monotonic clock	3723	# 10 is the runtime save interval, for a monotonic clock
3074	# 60 allows for the watchdog to kill the server.	3724	# 60 allows for the watchdog to kill the server.
…		…
3084	aio_utime $fh, undef, undef;	3734	aio_utime $fh, undef, undef;
3085		3735
3086	close $fh	3736	close $fh
3087	or return;	3737	or return;
3088		3738
3089	aio_rename "$runtime~", $runtime	3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090	and return;	3740	and return;
3091		3741
3092	warn "runtime file written.\n";	3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3093		3743
3094	1	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
3095	}	3795	}
3096		3796
3097	sub emergency_save() {	3797	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
3099		3799
3100	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
3101		3806
3102	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
3103	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
3104	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
3105	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
3107	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3818	$pl->save;
3111	}	3819	}
3112	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
3113		3821
3114	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
3115	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
3116	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
3117	$map->valid or next;	3827	$map->valid or next;
3118	$map->save;	3828	$map->save;
3119	}	3829	}
3120	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
3121		3831
3122	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
3125	};	3860	};
3126		3861
3127	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
3128	}	3863	}
3129		3864
3130	sub post_cleanup {	3865	sub post_cleanup {
3131	my ($make_core) = @_;	3866	my ($make_core) = @_;
3132		3867
		3868	IO::AIO::flush;
		3869
3133	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
3134	if $make_core;	3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
3135	}	3900	}
3136		3901
3137	sub do_reload_perl() {	3902	sub do_reload_perl() {
3138	# can/must only be called in main	3903	# can/must only be called in main
3139	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
3140	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
3141	return;	3906	return;
3142	}	3907	}
3143		3908
3144	warn "reloading...";	3909	return if $RELOAD++;
3145		3910
3146	warn "entering sync_job";	3911	my $t1 = AE::time;
3147		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
3148	cf::sync_job {	3919	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark
3150	cf::emergency_save;	3920	#cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark
3152		3921
3153	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;
3155
3156	# if anything goes wrong in here, we should simply crash as we already saved
3157
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";
3164	for (;;) {
3165	BDB::flush;
3166	IO::AIO::flush;
3167	Coro::cede;
3168	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";
3170	}
3171
3172	++$RELOAD;
3173
3174	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
3175	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
3176	%EXT_CORO = ();	3924	%EXT_CORO = ();
3177		3925
3178	warn "removing commands";	3926	trace "perl_reload: removing commands";
3179	%COMMAND = ();	3927	%COMMAND = ();
3180		3928
3181	warn "removing ext/exti commands";	3929	trace "perl_reload: removing ext/exti commands";
3182	%EXTCMD = ();	3930	%EXTCMD = ();
3183	%EXTICMD = ();	3931	%EXTICMD = ();
3184		3932
3185	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
3186	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
3187	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
3188		3936
3189	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
3190	eval {	3938	eval {
3191	$cb->($pkg);	3939	$cb->($pkg);
3192	1	3940	1
3193	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
3194	}	3946	}
3195		3947
3196	warn "... nuking $pkg";
3197	Symbol::delete_package $pkg;
3198	}
3199
3200	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3201	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203		3951
3204	warn "... unloading $k";	3952	trace "... unloading $k";
3205	delete $INC{$k};	3953	delete $INC{$k};
3206		3954
3207	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
3208	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
3209		3957
3210	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
3211	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
3212	}	3963	}
3213		3964
3214	Symbol::delete_package $k;
3215	}
3216
3217	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
3218	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3220		3968
3221	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
3222	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
3223	delete $INC{"cf/pod.pm"};	3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3224		3972
3225	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
3226	# and global variables created in xs	3974	# and global variables created in xs
3227	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
3228		3976
3229	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
3230		3978
3231	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
3232	require cf;	3980	require cf;
3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
3234		3982
3235	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
3236	cf::cfg_load;	3984	cf::reload_config;
3237		3985
3238	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
3239	cf::load_extensions;	3987	cf::load_extensions;
3240		3988
		3989	if ($REATTACH_ON_RELOAD) {
3241	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
3242	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
3243	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
3244	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
3245	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
3246	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
3247		3997
3248	warn "leaving sync_job";	3998	cf::_post_init 1;
3249		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
3250	1	4002	1
3251	} or do {	4003	} or do {
3252	warn $@;	4004	error $@;
3253	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
3254	exit 1;	4006	};
		4007
		4008	--$RELOAD;
3255	};	4009	}
3256		4010
3257	warn "reloaded";	4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
3258	};	4013	};
3259		4014
3260	our $RELOAD_WATCHER; # used only during reload	4015	our $RELOAD_WATCHER; # used only during reload
3261		4016
3262	sub reload_perl() {	4017	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	4018	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	4019	# coro crashes during coro_state_free->destroy here.
3265		4020
3266	$RELOAD_WATCHER ||= Event->timer (	4021	$RELOAD_WATCHER ||= cf::async {
3267	reentrant => 0,	4022	Coro::AIO::aio_wait cache_extensions;
3268	after => 0,	4023
3269	data => WF_AUTOCANCEL,	4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3270	cb => sub {
3271	do_reload_perl;	4025	do_reload_perl;
3272	undef $RELOAD_WATCHER;	4026	undef $RELOAD_WATCHER;
3273	},	4027	};
3274	);	4028	};
3275	}	4029	}
3276		4030
3277	register_command "reload" => sub {	4031	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
3279		4033
3280	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	4038	reload_perl;
		4039	};
3283	}	4040	}
3284	};	4041	};
3285		4042
3286	unshift @INC, $LIBDIR;	4043	#############################################################################
3287		4044
3288	my $bug_warning = 0;	4045	my $bug_warning = 0;
3289		4046
3290	our @WAIT_FOR_TICK;	4047	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	4048	our @WAIT_FOR_TICK_BEGIN;
3292		4049
3293	sub wait_for_tick {	4050	sub wait_for_tick() {
3294	return unless $TICK_WATCHER->is_active;
3295	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3296		4052
3297	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	4054	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	4055	$signal->wait;
3300	}	4056	}
3301		4057
3302	sub wait_for_tick_begin {	4058	sub wait_for_tick_begin() {
3303	return unless $TICK_WATCHER->is_active;
3304	return if $Coro::current == $Coro::main;	4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3305		4060
3306	my $signal = new Coro::Signal;	4061	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	4062	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	4063	$signal->wait;
3309	}	4064	}
3310		4065
3311	my $min = 1e6;#d#	4066	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
3323	return;	4070	return;
3324	}	4071	}
3325		4072
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
3329		4074
3330	0 && sync_job {#d#	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3331	for(1..10) {
3332	my $t = Event::time;
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3334	or die;
3335		4076
3336	$map->width (50);	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3337	$map->height (50);	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3338	$map->alloc;	4079	Coro::async_pool {
3339	$map->_load_objects ("/tmp/x.map", 1);	4080	$Coro::current->{desc} = "runtime saver";
3340	my $t = Event::time - $t;	4081	write_runtime_sync
3341		4082	or error "ERROR: unable to write runtime file: $!";
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	4083	};
		4084	}
3352		4085
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	4087	$sig->send;
3369	}	4088	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	4089	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	4090	$sig->send;
3372	}	4091	}
3373		4092
3374	$NOW = Event::time;	4093	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		4095
3385	_post_tick;	4096	if (0) {
3386		4097	if ($NEXT_TICK) {
3387		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
3388	},	4102	}
3389	);	4103	}
3390		4104
3391	{	4105	{
3392	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	4107
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	4108	BDB::min_parallel 16;
3402		4109	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	4110	$AnyEvent::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		4111
3418	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		4119
3421	cf::sync_job {	4120	cf::sync_job {
3422	eval {	4121	eval {
3423	BDB::db_env_open	4122	BDB::db_env_open
3424	$DB_ENV,	4123	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	4127	0666;
3429		4128
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	4130	};
3435		4131
3436	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	4133	};
3438	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
3439	}	4145	}
3440		4146
3441	{	4147	{
		4148	# configure IO::AIO
		4149
3442	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	4152	undef $AnyEvent::AIO::WATCHER;
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	4153	}
3455		4154
3456	my $_log_backtrace;	4155	my $_log_backtrace;
3457		4156
3458	sub _log_backtrace {	4157	sub _log_backtrace {
…		…
3461	$msg =~ s/\n//;	4160	$msg =~ s/\n//;
3462		4161
3463	# limit the # of concurrent backtraces	4162	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	4163	if ($_log_backtrace < 2) {
3465	++$_log_backtrace;	4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
3466	async {	4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
3467	my @bt = fork_call {	4169	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	4170	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	4173	or die "addr2line: $!";
…		…
3479	}	4181	}
3480		4182
3481	@funcs	4183	@funcs
3482	};	4184	};
3483		4185
3484	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3485	LOG llevInfo, "[ABT] $_\n" for @bt;	4188	LOG llevInfo, "[ABT] $_\n" for @bt;
3486	--$_log_backtrace;	4189	--$_log_backtrace;
3487	};	4190	};
3488	} else {	4191	} else {
3489	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $msg\n";
3490	LOG llevInfo, "[ABT] [suppressed]\n";	4193	LOG llevInfo, "[ABT] [suppressed]\n";
3491	}	4194	}
3492	}	4195	}
3493		4196
3494	# load additional modules	4197	# load additional modules
3495	use cf::pod;	4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
3496		4200
3497	END { cf::emergency_save }	4201	END { cf::emergency_save }
3498		4202
3499	1	4203	1
3500		4204

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